26 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Indonesian Journal of Science & Technology 2 (1) (2017) 26-49 Indonesian Journal of Science & Technology Journal homepage: http://ejournal.upi.edu/index.php/ijost/ Geomorphological Analysis and Hydrological Potential Zone of Baira River Watershed, Churah in Chamba District of Himachal Pradesh, India Kuldeep Pareta1* and Upasana Pareta2 1 Head (Engineering & Planning Division), ACPL Global Pvt. Ltd., Kanpur (U.P.), India 2 Department of Mathematics, PG Collage, District Sagar (M.P.) India *Correspondence: E-mail: kuldeep@acplglobal.in ABSTRACT In the present study, an attempt has been made to study the quantitative geomorphological analysis and hydrological characterization of 95 micro-watersheds (MWS) of Baira river watershed in Himachal Pradesh, India with an area of 425.25 Km2. First time in the world, total 173 morphometric parameters have been generated in a single watershed using satellite remote sensing data (i.e. IRS-P6 ResourceSAT-1 LISSIII, LandSAT-7 ETM+, and LandSAT-8 PAN & OLI merge data), digital elevation models (i.e. IRS-P5 CartoSAT-1 DEM, ASTER DEM data), and soI topographical maps of 1: 50,000 scale. The ninety-five micro-watersheds (MWS) of Baira river watershed have been prioritized through the morphometric analysis of different morphometric parameters (i.e. drainage network, basin geometry, drainage texture analysis, and relief characterizes ). The study has concurrently established the importance of geomorphometry as well as the utility of remote sensing and GIS technology for hydrological characterization of the watershed and there for better resource and environmental managements. © 2017 Tim Pengembang Jurnal UPI ARTICLE INFO Article History: Submitted/Received 03 Dec 2016 First revised 12 Jan 2017 Accepted 29 Mar 2017 First available online 01 Apr 2017 Publication date 01 Apr 2017 ____________________ Keyword: Geomorphometric analysis, hydrological characterization, remote sensing and GIS analysis, micro-watershed assessment. Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 27 1. INTRODUCTION Geomorphometry is the science ''which treats the geometry of the landscape", and quantitative procedure of the land surface.(Chorley et al., 1957) Morphometry is the quantitative analysis of the conformation of the earth's surface, shape and dimension of its landforms. The field of geomorphology fundamentally characterizes the topographical appearance of land by way of area, slope, shape, length, etc. A major highlighting in geomorphology over the past several decades has been on the development of quantitative physiographic methods to describe the evolution and behavior of surface drainage networks (Horton, 1945; Abrahams, 1984). Some quantitative approaches have been documented to identify the basin drainage characteristics, and for sympathetic of various hydrological processes. The morphometric characteristics at the watershed scale may contain important information regarding its formation development and spatiotemporal variations because all hydrologic and geomorphic processes occur within the watershed. The quantitative measurement of landforms has become the current trust of geomorphology. Earlier, it has been well attempted by various hydrologists, geologists and geomorphologists. (Horton, 1932; Horton, 1945; Potter, 1957; Schumm, 1956; Mueller, 1968; Sutherland & Bryan, 1991; Rahmat & Mutolib, 2016) Morphometry is potentially a most important approach to geomorphology, since it affords quantitative information on large scale fluvial landforms, which make up the vast majority of earth configuration. channel or inconsistent segment areas. Hydrologic and geomorphic strategies happen contained by the watershed, and morphometric characterization at the watershed scale reveals data considering formation and improvement of land exterior methods (Dar et al., 2013) and thusly is responsible of a comprehensive comprehension into the hydrologic behaviour of a watershed. Additionally, some of the morphometric parameters, for example, circularity proportion and bifurcation ratio are input parameters in the hydrograph examination (Jain et al., 2000; Angillieri, 2008) and assessment of surface water capability of an area (Suresh et al., 2004). In this point of view, this study covers a better thoughtful of hydrologic conduct of the study area and the geomorphometric analysis of micro-watersheds (MWS) for hydrological scenario evaluation and characterization Baira river watershed, Churah in Chamba district of Himachal Pradesh, India. 2. MATERIALS AND METHODS In the present study, an attempt has been made to study the quantitative geomorphological analysis and hydrological characterization of 95 micro-watersheds (MWS) of Baira river watershed in Himachal Pradesh, India with an area of 425.25 km2. First time in the world total 173 morphometric parameters have been generated in a single watershed by using satellite remote sensing data i.e. IRS-P6 ResourceSAT-1 LISS-III, LandSAT-7 ETM+ and LandSAT-8 PAN & OLI merge data, digital elevation models i.e. IRS-P5 CartoSAT-1 DEM, ASTER DEM data, and SoI topographical maps of 1: 50,000 scale. Micro-watershed is the fundamental unit in hydrology; consequently, geomorphometric analysis at microwatershed scale is helpful and better rather carries it out on completes it on particular DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 28 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 3. RESULTS AND DISCUSSION 3.1. STUDY AREA The watershed area of Baira River is 425.25 kms2 & located between 32.85 N to 33.02 N latitude and 76.02 E to 76.38 E longitudes (see Figure 1). The river Baira originates from the Sach Pass of Churah tehsil of Chamba district at a height of 5268 m, flows towards south, south-east and finally joins the river Makkan at Buin village of Chaurah tehsil of Chamba district in Himachal Pradesh. Baira river is 19.07 Kms long, however there is only one main tributaries of the right bank of Baira river i.e. Malin Nadi, there are some major tributaries pouring into the left bank river, notable amongst there are Cheni Nala, Trishan Nala, Tabriyali Nala, Bhusandu Nala and Chhawed Nala. The study area falls in Survey of India (1:50,000) toposheets No. 52C/04 (I 3Q/04), 52 /08 (I43Q/08), 52D/01 (I43W/01) and 52D/05 (I43W/05). According to new watershed codification system (Pareta & Pareta, 2014), total 95 micro-watershed (MWS) has covered the whole study area. 3.2. DATA USED, SOURCES AND METHODOLOGY Different type of data has been used for this study. Data from satellite remote sensing are: LandSAT-7 ETM+, ResourceSAT1 LISS-III, and LandSAT-8 OLI & PAN, ASTER (DEM), CartoSAT-1 (DEM), and other ancillary data i.e. Survey of India (SoI) topographical map at 1: 50,000 scale and geological map (GSI) have been collected from concern agency. The details of different data layers along with its sources and methodology are given in Table 1. Tabel 1. Data used, sources, and methodology S. No. 1. Data Layer / Maps Topographical Map 2. Remote Sensing Data 3. DEM / Elevation Data 4. Geological Map 5. Geomorphological Map 6. Morphometric Analysis Source / Methodology - Topographical map, Survey of India (1: 50,000) - Toposheet No.: 52C/04 (I43Q/04), 52C/08 (I43Q/08), 52D/01 (I43W/01) and 52D/05 (I43W/05). - LandSAT-7 ETM+ satellite imagery with 30.0 m spatial resolution: 02nd December, 1999. - IRS-P6 (ResourceSAT-1) LISS-III satellite imagery with 23.5 m spatial resolution: 16th April, 2010. - LandSAT-8 OLI & PAN merge satellite imagery with 15m spatial resolution: 15th March, 2016. - ASTER Global Digital Elevation Model (GDEM), DEM data with 30m spatial resolution: 02nd December, 2007. - CartoSAT-1 Digital Elevation Model (CartoDEM) data with 30m spatial resolution: 26th September, 2010. - Geological map of Chamba district has been collected from Geological Survey of India (GSI) and updated through ETM+, LISS-III and OLI & PAN merge satellite remote sensing data with limited field check. - Geomorphological map along with geological structures have been prepared using satellite remote sensing data, CartoSAT-1 DEM / ASTER-DEM and other ancillary data i.e. SoI topographical map, GSI geological map with limited field check. - Morphometric analysis has been completed based on data created from SoI toposheets / CartoSAT-1 & ASTER (DEM) and different morphometric parameters have been generated by using ArcGIS-10.3 software. DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 29 3.3. WATERSHED CODIFICATION SYSTEM For this study, authors have been used the watershed codification system proposed by the (Pareta & Pareta, 2014). They have classified entire rivers in India as “2” Indian sub-continent largest transboundary watersheds, “3” water divisions, “6” water sub-divisions, “22” basins, “72” sub-basins, “814” watersheds and then micro classification as sub-watersheds, microwatershed (MSW), mini-watershed (MiniWS). According to them, the study area watershed is situated in the international channel. The water division’s code is “A” all drainage flowing into Arabian sea (A), “AS11” Indus river; water sub-divisions code is “A1” all drainage flowing into Arabian sea from north India; basin code is “Id” for Indus river; sub-basin code is “RVI” for Ravi river. They have classified the entire Ravi sub- basin into “8” major watersheds i.e. AS11A1Id(RVI)1 to AS11A1Id(RVI)8. They study area is located in the major watershed of AS11A1Id(RVI)7. This watershed future has classified into “12” sub-watersheds and symbolized as AS11A1Id(RVI)7a to AS11A1Id(RVI)7l. Authors have selected 3 sub-watersheds namely AS11A1Id(RVI)7d, AS11A1Id(RVI)7e and AS11A1Id(RVI)7f for this study. Under the above stated subwatersheds total “95” micro-watershed has been identified and shown in Fig. 2. The completed code for a micro-watershed with eight digits is represented as “AS11A1Id(RVI)7f3”, as an example of a micro-watershed of Ravi sub-basin, where “AS11” represents Indian Sub-Continent Largest Transboundary, “A” for Water Division, “1” for Water Sub-Division, “Id” for Basin, “RVI” for Sub-Basin, “7” for Watershed, “f” for Sub-Watershed, and “3” for Micro-Watershed. Figure 1. Location map of the study area DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 30 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Figure 2. Watershed codification system of baira river watershed 3.4. GEOLOGY A systematic geomorphic study has been attempted for the terrain classification and their significance with the aid of satellite imagery, digital terrain model and surface characters in the study area. Presently, the knowledge of the geomorphology of the region is very sketchy and hence an appraisal of terrain types, drainage basin, river valleys and the morphometric study to understand the history of geomorphic evolution in this part of the Himalayan belt has been brought out to assist in the study basin management. The gamut of geomorphic description of study area in the region initially dictates the need for understanding the geologic events reflecting the relief and hence the paper highlights first the rock description along with their influence on basin management. Various folks are studies the geological aspects of the study area (Tomlinson, 1925; De Terra, 1939; Krishnan & Aiyengar, 1940; Woodroffe, 1981; Boison & Patton, 1985). They have recorded the primary rock formations namely (i) Chamba Formation: Slate, Phyllite Carbonaceous Slate and Quartzite; (ii) Katarigali Formation: Dark Grey Slate, Micaceous Sandstone and Quartzite; and (iii) Manjir Formation: Slate, Shale, Sandstone and Limestone. The mountain blocks in the study area are composed of a series of differing architectural elements represented by sedimentary, metamorphosed sediments and igneous massifs in the following tectonic sequence. The study area lies between the two high mountain ranges, i.e. the Dhauladhar Range in the southwest and the Zanskar Range or the Great Himalayan Range in the northwest. Stratigraphic sequence of the study area is shown in Table 2. DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 31 Tabel 2. Stratigraphic sequence of baira river watershed, himachal pradesh Age Neoproterozoic Group - Undifferentiated Proterozoic Vaikrita conditions Lithology Formation Katarigali Manjir Chamba Dark Grey Slate, Micaceous Sandstone and Quartzite Slate, Shale, Sandstone and Limestone Slate, Phyllite Carbonaceous Slate and Quartzite Source: Geological Survey of India (GSI) 3.5. METHOD FOR GEOLOGICAL MAPPING The methods adopted for this research work is divided into two aspects namely field and lab operations. The field operation is essentially geologic mapping of the study area to determine the underlying lithologic units. The geologic mapping was carried out at a scale of 1:50,000 using grid-controlled sampling method at a sampling density of one sample per 9 km2 for the collection of stream sediments and rock samples. The location map of field data collection is shown in Figure 3. Total fourty-three (43) rock and stream sediment samples were obtained. The rock samples were collected from different localities in the studied area, after which they were labelled accordingly to avoid mix up. The geographical location of each outcrop was determined with the aid of a Global Positioning Systems (GPS) and the lithologic and field description and features characteristic of each sample were correctly recorded in the field notebook. Six distinct lithological units were recognized in the studied area which were compiled to produce a geological map, which are the slate, micaceous sandstone, quartzite, shale, phyllite carbonaceous slate and limestone. The major structure in the area is an anticline, syncline, fault, fractures, joints and lineaments, which are visible on the lithology in the studied area. For lab operations, a published geological map from Geological Survey of India (GSI) has been used for preparation of geological map of the study area. This geological map has been update through the satellite remote sensing data i.e. LandSAT-7 ETM+, (30m) IRS-P6 (ResourceSAT-1) LISS-III (23.5), LandSAT-8 OLI & PAN merge (15m), CartoSAT-1 (DEM) data (30m), ASTER (DEM) data (30m) by using ESRI based ArcGIS-10.3 software along with comprehensive field work as described above. Other ancillary data like Survey of India (SoI) topographical map at 1:50,000 scales has also used. The above stated data has been used for identification of various geological parameters and lithology of the study area. The detailed geological map of the study area is shown in Figure. 4. DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 32 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Figure 3. Location map of field data collection Figure 4. Geological map DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 33 3.6. APPLIED GEOMORPHOLOGY The term of applied geomorphology implies the utilization of our geomorphological information in fervor of the general public or the humankind in general. This science demonstration like a bridge to some of the gaps that have segregated the several disciplines of the geomorphology. It covers those aspects of the geomorphology that are specifically related with environment issues and decision making processes which are of value of agricultural researchers, engineers, geologists and hydrologists and in addition geomorphologists. The key application of geomorphology in the study area has been observed. for example, soil erosion, various types of slope failure, river floods, volcanoes, earth-quakes and faulting as natural hazards. Now and then we found the result of the utilization of main procedures impulsively somehow, specifically, if there is an occurrence of soil erosion and man-made problem. Earthquakes (natural problems) in such conditions can be the role of expert geomorphologist that comes in picture since they would be able to measure of comprehension of the combinations of occasions that created the hazards. Satellite remote sensing data, aerial photographs, digital elevation model and digital terrain model is an important tool for preparation of geomorphological map. The geomorphological map is can be prepared from small scale 1:1 million to a larger scale of 1:1,000 but it is depending on the scope, scale, purpose and nature of problems the geomorphological map. The detailed geomorphological map of the study area has been prepared through visual image interpretation of satellite data (i.e. IRS-P6 ResourceSAT-1 LISS-III, LandSAT-7 ETM+ and LandSAT-8 PAN & OLI merge data) (See Figure 5), digital elevation models (i.e. IRS- P5 CartoSAT-1 DEM, ASTER DEM data), soI topographical maps of 1: 50,000 scale, and GSI geological map (structural and lithological). The various geomorphic units and their component were identified and mapped (Figure 6). The important geomorphic units, their lithology and description/ characteristics are shown in Table 3. 3.7. MORPHOMETRIC ANALYSIS Horton and Strahler were the first geomorphologists, who measured the various morphometric parameters of river basin. (Horton, 1945; Strahler, 1952) Morphometric analysis is the mathematical measurement of configuration of the earth surface, shape, and dimension of its landforms in a given drainage basin. Landforms and morphometric analyses are significant in the study of geomorphology with the quantitative measurements of physical characteristics of landforms to understand the structure, processes and evolution of landscape. It is also help to comprehension the hydrological behavior of drainage basin and controlled the predominantly climate, geology, geomorphology, structural backgrounds of the river basin. The morphometric characteristics at the river basin scale may contain essential information in regards to its formation and development since all hydrologic and geomorphic processes occur within the river basin. The relationship between various morphometric parameters and the abovementioned factors are well recognized by various geomorphologists (Rich, 1916; Wenthworth, 1930; Horton, 1932; Strahler, 1952; Taylor & Schwarz, 1952; Potter, 1957; Schumm, 1956; Chorley, 1957; Hack, 1957; Melton, 1958; Farvolden, 1963; Smart & DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 34 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Surkan, 1967; Faniran, 1968; Mueller, 1968; Black, 1972; Moore & Thornes, 1976; Patton & Baker, 1976; Pareta, 2004). They have documented that relations are very significant between hydrological characteristics, geological and geomorphic characteristics of river basin system. Several key hydrologic phenomena can be linked with the physiographic characteristics of river basin such as size, shape, geometry, drainage density, relief, slope of drainage area, size and length of the contributories etc. (Rastogi & Sharma, 1976). The quantitative analysis of morphometric parameters is found to be of huge utility in river basin evaluation, watershed prioritization for soil and water conservation and natural resources management. The morphometric analysis of the Baira river watershed has been carried out based on satellite remote sensing data (i.e. IRS-P6 ResourceSAT-1 LISS-III, LandSAT-7 ETM+ and LandSAT-8 PAN & OLI merge data), digital elevation models (i.e. IRS-P5 CartoSAT-1 DEM, ASTER DEM data), and soI topographical maps of 1: 50,000 scale. The drainage network with stream order has been generated by using above stated DEM data and rectified its using SoI topographical maps through ArcGIS-10.3 software. Stream ordering has been generated using (Strahler, 1952) system, and ArcHydro tool in ArcGIS10.3 software. First time in the world, authors have investigated “One-Hundred and Seventy-Three Morphometric Parameters” of a single watershed. Out of 173 parameters, 54 morphometric parameters have been directly analysed and generated in ArcGIS-10.3 software. Morphometric parameters of Baira river watershed with formula, references and result are shown in Table 4. Figure 5. LandSAT-8 PAN & OLI merge satellite Imagery DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 35 Tabel 1. Important geomorphic units of the Baira river watershed conditions S. No. 1. Geomorphic Units or Landforms Valley Fills Map Symbol VF Lithology Description / Characteristic Shale, Sandstone and Limestone 2. Pediplain (Katarigali) PP (KG) 3. Buried Pediment (Manjir Sedimentary) Pediment (Chamba) BP (MN) SST 5. Structural Valley (Manjir) SV (MN) 6. Sandstone Upland (Katarigali) SST(KG) 7. Sandstone Upland (Manjir) SST(MN) 8. Sandstone Upland (Chamba) SST(CB) 9. Denudational Hills (Katarigali) DHM (KG) 10. Denudational Hills (Manjir) DHM (MN) 11. Denudational Hills (Chamba) DHM (CB) 12. Structural Hills (Katarigali) SH (KG) 13. Structural Hills (Manjir) SH (MN) 14. Structural Hills (Chamba) SH (CB) 15. River R Katarigali Formation: Dark Grey Slate, Micaceous Sandstone and Quartzite Manjir Formation: Slate, Shale, Sandstone and Limestone Chamba Formation: Slate, Phyllite Carbonaceous Slate and Quartzite Manjir Formation: Slate, Shale, Sandstone and Limestone Katarigali Formation: Dark Grey Slate, Micaceous Sandstone and Quartzite Manjir Formation: Slate, Shale, Sandstone and Limestone Chamba Formation: Slate, Phyllite Carbonaceous Slate and Quartzite Katarigali Formation: Dark Grey Slate, Micaceous Sandstone and Quartzite Manjir Formation: Slate, Shale, Sandstone and Limestone Chamba Formation: Slate, Phyllite Carbonaceous Slate and Quartzite Katarigali Formation: Dark Grey Slate, Micaceous Sandstone and Quartzite Manjir Formation: Slate, Shale, Sandstone and Limestone Chamba Formation: Slate, Phyllite Carbonaceous Slate and Quartzite - The unconsolidated sediment deposited to fill a valley, sometimes controlled by fracture forming linear depression. Thin soil covered erosional surface developed over meta-sedimentary rock i.e. quartzite, slate, etc. Low relief, gently sloping, undulating terrain. Broad, gently sloping, erosional surface covered with detritus of sandstone, shale and thin veneer of soil. 16. 17. 18. Snow Covered Areas Glaciated Valley Fold, Fault SC GV -------- - 19. Lineaments -------- - 4. PM (CB) Broad, gently to moderate sloping, erosional surface covered with detritus of sedimentary rocks. Low to moderate relief undulating topography. Normally cultivated soil thickness varies from place to place. Deep sites with sand, slate on uplands. Narrow sites on slopes of hills, scarps and valley sides. Moderate to high sloping. Narrow sites on slopes of hills, scarps and valley sides. Moderate to high sloping. Deep sites with sand, slate, shale, limestone on uplands. Narrow sites on slopes of hills, scarps and valley sides. Moderate to high sloping. Deep sites with slate, sand, quartzite. High relief, moderate to steep slope, barren, moderate to high hills. Generally seen sand, slate and quartzite. High relief, moderate to steep slope, barren, moderate to high hills. Generally seen sand, slate, shale and limestone. High relief, moderate to steep slope, barren, moderate to high hills. Generally seen sand, slate and quartzite. Very high relief, steep sloping, barren, covered with natural vegetation with slate, sand and quartzite. Very high relief, steep sloping, barren, Covered with natural vegetation with slate, shale, sand, and limestone. Very high relief, steep sloping, barren, Covered with natural vegetation with slate and quartzite. Baira river and its tributaries i.e. Malin Nadi, Cheni Nala, Trishan Nala, Tabriyali Nala, Bhusandu Nala and Chhawed Nala. Snow covered areas and hills. Glaciated valley. Quartz intrusions that cut across the country rock Phyllite Slate and Quartzite. Fractures, joints, shear zone, contact zones, other linear features and straight stream courses DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 36 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Figure 6. Geomorphological map Tabel4.4.(continued) Comparison of drainageofbasin characteristics of Baira river watershed Tabel Comparison drainage basin characteristics of Baira river watershed Watershed conditions S. No. A 1 2 3 4 5 Morphometric Parameter Drainage Network Stream Order (Su) Total No. of 1st Order Stream (Suf1) Total No of 2nd Order Stream (Suf2) Stream Number (Nu) Left Bank Tributaries Stream Number (Nulb) 6 Right Bank Tributaries Stream Number (Nurb) 7 8 9 10 11 12 14 15 Stream Number Symmetry Index (Nusi) Total Length of 1st Order Stream (L1) Total Length of 2nd Order Stream (L2) Stream Length (Lu) Kms Average Length of First Order Stream (Lu1) Average Length of Second Order Stream (Lu2) Ratio between Average Lengths of First to Second Order Streams [Lu(1/2)] Stream Length Ratio (Lur) Mean Stream Length Ratio (Lurm) 16 Weighted Mean Stream Length Ratio (Luwm) 17 18 Left Bank Tributaries Stream Length (Lulb) Right Bank Tributaries Stream Length (Lurb) 13 Formula Reference Result Hierarchical Rank Suf1 = N1 Suf2 = N2 Nu = N1+N2+ ……Nn Nulb = N1lb + N2lb + …….Nnlb Nurb = N1rb + N2rb + …….Nnrb Nusi = Nulb / Nurb L1 L2 Lu = L1+L2 …… Ln Lu1 = L1 / N1 Lu2 = L2 / N2 (Strahler,1952) (Strahler, 1952) (Strahler, 1952) (Horton, 1945) (Horton, 1945) 1 to 7 1580 371 2074 1233 (Horton, 1945) 841 (Pareta, 2004) (Horton, 1945) (Horton, 1945) (Strahler, 1952) (Strahler, 1952) (Strahler, 1952) 1.47 875.75 252.89 1333.91 0.55 0.68 Lu(1/2) = Lu1 / Lu2 (Strahler, 1952) 0.81 Lur = Lu / (Lu+1) Lurm = Ʃ Lur / Max Su-1 Luwn = Ʃ[Lur * (Lu + (Lu+1))] / Ʃ [Lu + (Lu+1)] Lulb = L1lb + L2lb + …….Lnlb Lurb = L1rb + L2rb + …….Lnrb (Strahler, 1952) (Horton, 1945) 1.43 to 3.46 2.37 (Horton, 1945) 3.04 (Strahler, 1952) (Strahler, 1952) 839.35 494.56 DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 37 Tabel 4. (continued) Comparison of drainage basin characteristics of Baira river S. No. 19 20 21 watershed Watershed conditions 22 Weighted Mean Bifurcation Ratio (Rbwm) 23 24 25 26 27 28 29 30 31 32 Left Bank Tributaries Bifurcation Ratio (Rblb) Right Bank Tributaries Bifurcation Ratio (Rbrb) Bifurcation Ratio Symmetry Index (Rbsi) Main Channel Length (Cl) Kms Flow Path Length (Lfp) Kms Valley Length (Vl) Kms Minimum Aerial Distance (Adm) Kms Channel Index (Ci) Valley Index (Vi) Rho Coefficient (ρ) Formula Lusi = Lulb / Lurb Rb = Nu / (Nu+1) Rbm = Ʃ Rb / Max Su-1 Rbwm = [Lu+(Lu+1)] / [Rb * {Lu+(Lu+1)}] Rblb = Nulb / (Nulb+1) Rbrb = Nurb / (Nurb + 1) Rbsi = Nulb / Nurb GIS Software Analysis GIS Software Analysis GIS Software Analysis GIS Software Analysis Ci = Cl / Adm (H & TS) Vi = Vl / Adm (TS) ρ = Lur / Rb 33 Angle of the 1st Order Stream (An1) GIS Software Analysis (Schumm, 1956) 34 35 B GIS Software Analysis Aμ = An1 * Jr (μ-1) (Schumm, 1956) (Schumm, 1956) GIS Software Analysis (Black, 1972) 13.03 37 38 39 40 41 42 43 Junction Ratio (Jr) Law of Junction Angle (Aμ) Basin Geometry Length from WS Center to Mouth of WS (Lcm) Kms Width of WS at the Center of Mass (Wcm) Kms Basin Length (Lb) Kms Mean Basin Width (Wb) Basin Area (A) Sq Kms Mean Area of 1st Order Stream (Am1) Stream Order wise Mean Area (Am) Mean Area Ratio (Arm) (Black, 1972) (Schumm, 1956) (Horton, 1932) (Schumm, 1956) - 16.81 23.53 18.07 425.25 0.18 0.92 0.68 44 Weighted Mean Area Ratio (Arwm) - 0.77 45 46 47 Basin Perimeter (P) Kms Relative Perimeter (Pr) Length Area Relation (Lar) GIS Software Analysis GIS Software Analysis Wb = A / Lb GIS Software Analysis GIS Software Analysis DEM & GIS Software Analysis Arm = Am / (Am+1) Arwn = Ʃ[Su * Nu] / Ʃ[Am *Arm] GIS Software Analysis Pr = A / P Lar = 1.4 * A0.6 99.17 4.29 52.88 48 Lemniscate’s (k) k = Lb2 / A 49 50 51 52 Form Factor Ratio (Rf) Shape Factor Ratio (Rs) Elongation Ratio (Re) Elipticity Index (Ie) Ff = A / Lb2 Sf = Lb2 / A Re = 2 / Lb * (A / π) 0.5 Ie = π * Vl2 / 4 A 53 Texture Ratio (Rt) Rt = N1 / P 54 55 56 57 58 Circularity Ratio (Rc) Circularity Ration (Rcn) Drainage Texture (Dt) Compactness Coefficient (Cc) Fitness Ratio (Rfi) Rc = 12.57 * (A / P2) Rcn = A / P Dt = Nu / P Cc = 0.2841 * P / A 0.5 Rf = Cl / P 59 Wandering Ratio (Rw) Rw = Cl / Lb 60 Watershed Eccentricity (τ) τ = [(|Lcm2-Wcm2|)]0.5/Wcm (Schumm, 1956) (Schumm, 1956) (Hack, 1957) (Chorley et al., 1957) (Horton, 1932) (Horton, 1932) (Schumm, 1956) (Schumm & Lichty, 1965) (Potter, 1957) (Strahler, 1952) (Horton, 1945) (Melton, 1958) (Smart & Surkan, 1967) (Black, 1972) 61 Centre of Gravity of the Watershed (Gc) GIS Software Analysis (Rao, 1998) 36 Morphometric Parameter Stream Length Symmetry Index (Lusi) Bifurcation Ratio (Rb) Mean Bifurcation Ratio (Rbm) DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Reference (Pareta, 2004) (Strahler, 1952) (Strahler, 1952) Result 1.70 2.33 to 4.26 3.54 (Strahler, 1952) 4.08 (Strahler, 1952) (Strahler, 1952) (Pareta, 2004) (Miller, 1968) (Miller, 1968) (Horton, 1945) 3.80 3.07 1.24 25.91 24.99 23.53 23.81 1.09 0.99 0.98 72.23 (Average) 0.53 38.55 1.30 0.77 1.30 0.99 1.02 15.93 0.54 4.29 20.91 1.37 0.26 1.10 0.76 76.204 E & 32.921 N 38 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Tabel 4. (continued) Comparison of drainage basin characteristics of Baira river S. No. 62 63 64 watershed Watershed conditions 74 Morphometric Parameter Hydraulic Sinuosity Index (Hsi) % Topographic Sinuosity Index (Tsi) % Standard Sinuosity Index (Ssi) Longest Dimension Parallel to the Principal Drainage Line (Clp) Kms Area of the Basin to the Right of the Trunk Stream that Facing Downstream (Ar) Sq Kms Distance from the Midline of the Drainage Basin to the Midline of the Active Meander Belt (Damb) Distance from the Basin Midline to the Basin Divide (Dbd) Area of Left Bank Tributaries (Alb) Sq Kms Area of Right Bank Tributaries (Arb) Sq Kms Drainage Basin Asymmetry (Bas) Transverse Topographic Symmetry Factor (TTSF) Ratio of First Order Stream Number to Perimeter (PN1) Basin Area Symmetry Index (Bsi) 75 Valley Width (Vwid) Mts 76 77 78 Meander Width Ratio (MWR) Stream Meander Length (Lm) Meander Length Ratio (Lmr) 79 2D Area of Watershed (A2d) Sq Kms 80 3D Arrea of Watershed (A3d) Sq Kms 81 Watrshed Volume (Vw) Cubic Meter C 82 83 85 86 Drainage Texture Analysis Stream Frequency (Fs) Drainage Density (Dd) Km / Kms2 Constant of Channel Maintenance (Kms2 / Km) C Drainage Intensity (Di) Infiltration Number (If) 87 Drainage Pattern (Dp) - (Horton, 1932) 88 Length of Overland Flow (Lg) Kms (Horton, 1945) 89 Flow Direction (Fdi) - NW to SE 90 Flow Accumulation (Range in M) Fac 91 92 D 93 94 95 96 Lg = A / (2 * Lu) Spatial Analyst-Hydrology Tool in ArcGIS-10.3 Spatial Analyst-Hydrology Tool in ArcGIS-10.3 Rbs = A / Dd Fst = N1 / A 1.55 15.30 Dendritic, Radial 0.16 Basin-scale Ruggedness (Rbs) 1st Order Stream Frequency (Fst) Relief Characterizes Height of Basin Mouth (Zbm) M GIS Analysis / DEM Minimum Height in the Basin (Zmi) M GIS Analysis / DEM Maximum Height of the Basin (Zmx) M GIS Analysis / DEM Mean Height Value (Hmv) Summary Statistics for WS DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 65 66 67 68 69 70 71 72 73 84 Formula Hsi = ((Ci - Vi)/(Ci - 1))*100 Tsi = ((Vi - 1)/(Ci - 1))*100 Ssi = Ci / Vi Reference (Mueller, 1968) (Mueller, 1968) (Mueller, 1968) Result 113.33 -13.33 1.10 GIS Software Analysis - 25.92 GIS Software Analysis - 169.62 GIS Software Analysis (Cox, 1994) 11.34 GIS Software Analysis (Cox, 1994) 4.41 GIS Software Analysis GIS Software Analysis Bas = 100 (Ar / A) - 255.63 169.62 39.89 TTSF = Damb / Dbd (Cox, 1994) 2.57 PN1 = N1 / P - 15.93 Bsi = Alb / Arb Vwid = Valley width 0.5 Km from basin mouth GIS Software Analysis GIS Software Analysis Lmr = Lm / MWR 3D Analyst-Surface Volume Tool in ArcGIS-10.3 A3d = 2D Area / Cosine (Slope in degrees) 3D Analyst-Surface Volume Tool in ArcGIS-10.3 (Pareta, 2004) 1.51 - 4.83 - 1.52 23.81 15.66 - 423.72 - 527.62 - 811569.78 Fs = Nu / A Dd = Lu / A (Horton, 1932) (Horton, 1932) 4.88 3.14 C = 1 / Dd (Schumm, 1956) 0.32 Di = Fs / Dd If = Fs * Dd (Faniran, 1968) (Faniran, 1968) (Miller, 1968) 703 to 35,855 135.57 3.72 - 1178 1155 5268 3206.17 - Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 39 Tabel 4. (continued) Comparison of drainage basin characteristics of Baira river watershed Watershed conditions S. No. Morphometric Parameter 97 98 99 100 101 102 103 104 105 106 Total Basin Relief (H) m Relief Ratio (Rhl) Absolute Relief (Ra) m Relative Relief Ratio (Rhp) Average Divide Elevation (Eda) Divide Average Relief (Rad) Dissection Index (Dis) Channel Gradient (Cg) m / Kms Gradient Ratio (Rg) Watershed Slope (Sw) Formula Raster; not median / GIS Software H = Zmx – Zbm Rhl = (H / Lb) / 100 GIS Analysis / DEM Rhp = (H * 100) / P Eda = H / Rhl Rad = Eda – Zbm Dis = H / Ra Cg = H / {(π/2) * Clp} Rg = (Zmx - Zmi) / Lb Sw = H / Lb Reference Result 4090 1.74 1155 4124.23 2353 1175 3.54 50.22 174.80 173.82 MRn = H / A0.5 GIS Software Analysis GIS Software Analysis (Strahler, 1952) (Schumm, 1956) (Melton, 1958) (Farvolden, 1963) (Sreedevi, 2004) (Patton & Baker, 1976) (Melton, 1965) - 107 Ruggedness Number (Rn) Rn = Dd * (H / 1000) 108 109 110 Melton Ruggedness Number (MRn) Total Contour Length (Ctl) Kms Contour Interval (Cin) m Curvature - 3D Analyst Tools in ArcGIS-10.3 (Moore & Thornes, 1976) GIS Software Analysis (Strahler, 1952) Awc = A / {(L1+L2) / 2} (Strahler, 1952) 9.90 114 115 116 Length of Two Successive Contours (L1+L2) Km Average Width between Two Successive Contours (Awc) Stream Length-Gradient Index (SLgi) in M Mean Stream Channel Gradients (Smcg) Slope Analysis (Sa) 198.34 12869.96 20 Ranging from (+) 19.16 to () 17.42 107.95 111 Plan Curvature (Plc) 112 SLgi = (Zmx - Zmi) * Lfp Smcg = H / Cl GIS Analysis / DEM 164.59 157.85 500’-4703’ 117 Average Slopes of 1st Order Streams (AS1) GIS Analysis / DEM 118 119 120 121 Slope Gradient (tan β) 0 Maximum Slope Value Raster (Smax) Minimum Slope Value Raster (Smin) Slope Variability (Sva) GIS Analysis / DEM GIS Analysis / DEM GIS Analysis / DEM Sva = Smax – Smin 122 Slope Index (Sin) Sin = H / Lb 123 Slope Ration (Sr) Sr = AS1 / (AS1+1) (Azor et al., 2002) (Rich, 1916) (Sreedevi et al., 2009) (Taylor & Schwarz, 1952) (Sreedevi et al., 2009) 124 Profile Curvature (CuPr) Curvature - 3D Analyst Tools in ArcGIS-10.3 - 125 Platform Curvature (CuPl) Curvature - Spatial Analyst in ArcGIS-10.3 - 126 Slope Aspect (Sas) 3D Analyst Tools in ArcGIS10.3 - 127 Average Slope (S) % S = (Z * (Ctl/H)) / (10 * A) 128 Hack’s Stream-Length (SLh) SLh = (Δ H / Δ Lu) / Lu 129 Mean Slope Ratio (Sm) 130 Weighted Mean Slope Ratio (Swm) 131 Mean Slope of Overall Basin (Ѳs) 113 Ѳs = (Ctl * Cin) / (A * 100) DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 (Wenthworth’s, 1930) (Hack, 1973) (Wenthworth’s, 1930) (Wenthworth’s, 1930) (Chorley et al., 12.83 35.89 27.33 68.21 2.38 65.83 173.82 0.97 Ranging from (+) 16.19 to () 18.22 Ranging from (+) 35.22 to () 31.55 South (157.5202.5) 3.90 0.0023 2.03 2.64 6.05 40 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Tabel 4. (continued) Comparison of drainage basin characteristics of Baira river S. No. Morphometric Parameter 132 Length-Slope Factor (LSf) watershed Watershed conditions Formula 135 Topographic Wetness Index (TWI) or Compound Topographic Index (CTI) or Topographic Moisture Index (TMI) or Hillslope Wetness Index (HWI) Upslope Contributing Area per Unit Contour Length (Aus) Relative Stream Power (SPr) 136 Stream Power Index (SPI) 137 Topographic Position Index (TPI) or Relative Topographic Position (RTP) or Local Elevation Index (LEI) 133 134 LSf = 1.4 * [(A/22.13)^0.4] * [(tan β / 0.0896)^1.3] Reference 1957) (Moore & Wilson, 1992) TWI = ln (A / tan β) (Moore et al., 1991) 15.00 Aus = Ctl / A (Moore et al., 1991) 30.26 SPr = Aus * tan β SPI = A * tan β or SPI = Ln(((FlowAccum_Raster) + 0.001) * ((Slope_Raster)/100) + 0.001)) (in ArcGIS 10.3) TPI = (“smtDEM″ - “minDEM”) / (“maxDEM” - “minDEM”), where: minDEM = Name of minimum elevation raster, maxDEM = Name of maximum elevation raster, smtDEM = Name of smoothed elevation raster (Lindsay, 2005) 827.13 (Moore et al., 1993) 15.560 (Jenness, 2005) 138 Slope Position Classification (SPC) Topography Tools in ArGIS10.3 (Jenness, 2005) 139 Landform Classification (LC) Topography Tools in ArGIS10.3 (Jenness, 2005) 140 Topographic Convergence Index (TCI) 141 143 144 Terrain Characterization Index (TCHi) Length along the Edge of the Mountain Piedmont Junction (Lmej) Overall Length of the Mountain Front (Lmf) Mountain Front Sinuosity Index (Simf) 145 Terrain Roughness Index (TRI) 146 Relative Height (h/H) 142 Result 7748.62 Ranging from (+) 341.23 to (-) 301.81 at 50m nb Valleys, cliff base, mid slope, ridge / hilltop / canyon edge Canyons, deeply incised streams, upland drainages, high ridges / hills Ln (flow accum+1) / (tan(((slope Deg.) * 3.141593) / 180)) TCHi = TCI * In Aus - 18.99 (Park et al., 2001) 64.75 GIS Software Analysis - 49.585 GIS Software Analysis Simf = Lmej / Lmf TRI = √(Abs((FS3x3max)^2) ((FS3x3max)^2)), where: FS3x3max = Focal statistics of DEM with 3m size / type minimum, FS3x3max = Focal statistics of DEMwith 3m size / type maximum h/H - 11.765 4.21 (Riley, 1999) Highly Rugged (Strahler, 1952) 100 to 0 DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 41 Tabel 4. (continued) Comparison of drainage basin characteristics of Baira river S. No. 147 148 149 150 Morphometric Parameter Relative Area (a/A) Hypsometric Index (HI) Hypsometric Integral (Hi) % Erosional Integral (Ei) % 151 Stage of Watershed (WSs) 152 watershed Watershed conditions Reference (Strahler, 1952) (Strahler, 1952) (Strahler, 1952) Result 0 to 100 0.50 58.33 41.67 (Strahler, 1952) Mature Clinographic Analysis (Clga) Formula a/A HI = (Hmv - Zmi) / (Zmx - Zmi) Hypsom Curve h/H & a/A Hypsom Curve h/H & a/A According to Hypsometric Integral Tan Q = Cin / Awc (Strahler, 1952) 153 Erosion Surfaces (Es) m Superimposed Profiles (Potter, 1957) 154 Surface Area of Relief (Rsa) Sq Kms - 155 Composite Profile Area (Acp) Sq Kms 156 Minimum Elevated Profile Area as Projected Profile (App) Sq Kms 157 158 Erosion Affected Area (Aea) Sq Kms Total Soil Loss (SE) [Tonnes/Hectare/Year] 159 Longitudinal Profile Curve Area (A1) Sq Kms 160 Profile Triangular Area (A2) Sq Kms Composite Profile Area between the Composite Curve and Horizontal Line Area between the Minimum Elevated Profile as Projected Profile and Horizontal Line Aea = Acp - App TSL = R*K*LS*C*P Area between the Curve of the Profile and Horizontal Line Triangular Area created by that Straight Line, the Horizontal Axis Traversing the Head of the Profile 2.02 2610, 3130, 3450, 3900 & 4705 331.77 161 Concavity Index (Ca) 162 Sediment Transport Capacity Index (STCI) 163 164 165 166 167 169 170 Mean Ground Slope Angle (Sma) Degree Sediment Area Factor (Saf) Sediment Movement Factor (Smf) Transport Efficiency Factor (Tef) Sediment Yield (Sy) Metric Tons Kms-2 yr-1 Elevation of the Valley Floor or Stream Channel (Esc) Mts Elevations of the Left Valley Divides (Elvd) Mts Elevations of theRight Valley Divides (Ervd) Mts 171 Valley Floor Width to Valley Height Ratio (Vf) 172 Hillslope Erosion Potential (HEP) 173 Specific Weight of Sediment (Quartz) γs 168 (Pareta, 2004) 331.77 (Pareta, 2004) 105.84 (Pareta, 2004) (Snow & Slingerland, 1987) 225.93 145.12 122.05 (Snow & Slingerland, 1987) 211.84 Ca = A1 / A2 (Snow & Slingerland, 1987) 0.58 STCI = [1.4 * ((A / 22.13)^0.4)] * [(tanβ / 0.0896)^1.3] (Moore et al., 1991) 7748.62 Saf = P / Cos Ѳ Sma Smf = Saf * Cos Ѳ Sma Tef = Rbm * Ʃ Lu Sy = ƒ (Saf, Smf, Tef) (Lustig, 1966) (Lustig, 1966) (Lustig, 1966) (Lustig, 1966) 33.50 118.93 99.17 0.0027 218.10 GIS Software Analysis - 1314.00 GIS Software Analysis GIS Software Analysis Vf = (2 * Vwid) / ((Elvd - Esc) + (Ervd - Esc)) HEP = (Pma * S) / 1000, where, Pma (Mean Annual Precipitation): 860.95 mm (Chamba) Density relative to Water (1.65 Constant for Quartz) - 2783.00 4278.00 - 0.0022 (Mitchell & Montgomery, 2006) 3.36 - 1.65 3.8. CORRELATION ANALYSIS OF DRAINAGE MORPHOMETRIC CHARACTERISTICS Statistics analyses are useful in a variability of fields in hydrological research. These analyses are valuable for understanding of morphometric parameters and linking the same to particular hydrological forms. Statistical analysis of DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 42 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 inter-relationship of morphometric parameters are help to understanding the terrain characteristics for hydrological potential at micro-watershed level as well watershed management and planning. A correlation matrix Table 5 of Baira river watershed and its 95 micro-watershed (MSW) has been generated with the selected 13 morphometric parameters (i.e. Area (A), perimeter (P), stream number (Nu), stream length (Lu), form factor (Ff), shape factor (Sf), elongation ratio (Re), texture ratio (Rt), circularity ratio (Rc), drainage texture (Dt), stream frequency (Fs), drainage density (Dd), length of overland flow (Lg)). The preliminary observation is confirmed by the statistics as shown in Table 5; furthermost of the morphometric parameters of the Baira river watershed are showing a positive correlation with each other that means these parameters are codependent on another, except shape factor and length of overland flow. Shape factor and length of overland flow are demonstrating a negative relationship with other morphometric parameters implies these parameters are independent and it is possible to compelling by different components. 3.9. HYDROLOGICAL POTENTIALITY ZONE Keeping in mind to identify, categorize, arrange and delineate hydrological potentiality zone in the Baira river watershed, a thorough comprehensive analysis was attempted, which takes several MSW level geo-morphometric parameters map composites into thought by method for integrating and evaluating them based on specific criteria employed. Several thematic data layers have been generated and integrated based on the weightage criteria produced for determination of the hydrological potential zones for surface water, and additionally groundwater investigation in the Baira river watershed. The weightages were relegated to the themes and units relying on their significance of hydrological potentiality area. Hydrological potentiality zones of the Baira river watershed has been generated by using ArcGIS 10.3 software in the model builder module, which has allowed for the amalgamation of different data layers. Weightage criteria used for generation of hydrological potentiality zones are shown in the Table 6. Tabel 5. Correlation matrix of morphometric parameters Morphometric Parameters 1 A 2 P 3 Nu 4 Lu 5 Ff 6 Sf 7 Re 8 Rt 9 Rc 10 Dt 11 Fs 12 Dd 13 Lg A 1.00 P 0.66 1.00 Nu 0.43 0.37 1.00 Lu 0.68 0.54 0.91 1.00 Ff 0.26 -0.31 0.23 0.28 1.00 Sf -0.36 0.16 -0.27 -0.33 -0.94 1.00 Re 0.30 -0.27 0.25 0.30 0.99 -0.97 1.00 DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Rt 0.25 0.04 0.93 0.78 0.43 0.40 0.43 1.00 Rc 0.19 -0.51 0.09 0.12 0.83 -0.74 0.83 0.33 1.00 Dt 0.23 0.04 0.93 0.78 0.45 -0.42 0.43 0.93 0.33 1.00 Fs -0.04 0.02 0.85 0.61 0.21 -0.18 0.23 0.89 0.06 0.93 1.00 Dd 0.01 0.08 0.08 0.71 0.19 -0.16 0.20 0.85 0.03 0.86 0.93 1.00 Lg -0.03 -0.10 -0.71 -0.68 -0.20 0.17 -0.19 -0.73 -0.03 -0.73 -0.79 -0.93 1.00 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 43 Where: Area (A), Perimeter (P), Stream Number (Nu), Stream Length (Lu), Form Factor (Ff), Shape Factor (Sf), Elongation Ratio (Re), Texture Ratio (Rt), Circularity Ratio (Rc), Drainage Texture (Dt), Stream Frequency (Fs), Drainage Density (Dd), Length of Overland Flow (Lg) 6. Weights of geomorphometric parameters for hydrological potentiality zone zone Tabel Tabel 6. (continued) Weights of geomorphometric parameters for hydrological potentiality Factor Bifurcation Ratio (Rb) Elongation Ratio (Re) Texture Ratio (Rt) Drainage Texture (Dt) Stream Frequency (Fs) Values Less than 2.250 2.250 – 2.501 2.502 – 2.753 2.754 – 3.004 3.005 – 3.255 3.256 – 3.506 3.507 – 3.758 3.759 – 4.009 4.010 – 4.260 More than 4.260 Less than 0.670 0.671 – 0.881 0.882 – 0.987 0.988 – 1.092 1.093 – 1.198 1.199 – 1.303 1.304 – 1.409 1.410 – 1.514 1.515 – 1.620 More than 1.620 Less than 10.720 10.721 – 12.421 12.422 – 14.122 14.123 – 15.823 15.824 – 17.524 17.525 – 19.226 19.227 – 20.927 20.928 – 22.628 22.629 – 24.329 More than 24.329 Less than 14.071 14.072 – 16.304 16.305 – 18.536 18.537 – 20.769 20.770 – 23.002 23.003 – 25.235 25.236 – 27.468 27.469 – 29.701 29.702 – 31.934 More than 31.934 Less than 3.284 3.285 – 3.805 3.806 – 4.326 4.327 – 4.847 4.848 – 5.368 Weights (Wi) 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Remarks The low value of bifurcation ratio is characterize in the high hydrological potential zone because it is depend on geological and lithological development of the drainage basin, and dimensionless property are generally ranges from 3.0 to 5.0. The high value of elongation ratio is characterizing in the high hydrological potential zone because high elongation value is signifying the more elongated of the basin, that means if the basin is more elongated then surface runoff is also high. The low value of texture ratio is described in the high hydrological potential zone because it is depending on the drainage density. Low value of texture ratio is also represent the low drainage density, means low surface runoff. The low value of drainage texture is defined in the high hydrological potential zone because it is depending on the drainage density. Low value of drainage texture is also signifying the low drainage density, means low surface runoff. The low value of stream frequency is demarcated in the high hydrological potential zone. 44 | Indonesian Journal of Science & Technology, Volume 2, Issue 1, April 2017 Hal 26-49 Tabel 6. (continued) Weights of geomorphometric parameters for hydrological potentiality zone Factor Drainage Density (Dd) Slope Values 5.369 – 5.889 5.890 – 6.410 6.411 – 6.932 6.933 – 7.453 More than 7.453 Less than 2.113 2.114 – 2.448 2.449 – 2.784 2.785 – 3.119 3.120 – 3.454 3.455 – 3.789 3.790 – 4.125 4.126 – 4.460 4.461 – 4.795 More than 4.795 Less than 5.00o 05.01o – 9.70o 09.71o – 14.40o 14.41o – 19.10o 19.11o – 23.80o 23.81o – 28.50o 25.51o – 33.20o 33.21o – 37.90o 37.91o – 42.60o More than 42.60o On the beginning of integration of these data layers’ hydrological potentiality zones of the study area were identified. The weightages are assigned for various mapping units of a thematic layers in a scale ranging from 1 to 10, individually, where value 1 demonstrates for least significance while the worth 10 showing highest significance of the mapping unit. The final hydrological potentiality zone map has been displayed in a gradation of red to green. The green patches represent the most potential MWS for water resource development, Weights (Wi) 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 1 Remarks When drainage is less, there is more possibility of infiltration, and less surface runoff, thereby increasing hydrological potential area. Steeper slopes (more than 30o) are low prone to hydrological potential area, but the slope below than 12o have high hydrological potential area to the absence of debris over the slope surface. while the red patches denote the least. The more potential MWS are the ones which have got an aggregate score close to 10. A glance at Figure 7 reveals that the many patches in the whole watershed and some of the south-eastern parts of the study area have poor hydrological potentiality prospects due to steep slope, and high runoff as compared to the south watershed, north-eastern part, and some part along the river of the basin. These results are also corroborated with observations from the field checks conducted in the basin area. DOI: http://dx.doi.org/10.17509/ijost.v2i1 p- ISSN 2528-1410 e- ISSN 2527-8045 Kuldeep Pareta1 & Upasana Pareta. Geomorphological Analysis and Hydrological... | 45 Figure 7. Hydrological potentiality zone map 4. CONCLUSION Morphometric analysis of watersheds involves the quantification of the drainage network and related parameters such as drainage area, gradient and relief. Quantitative geomorphology finds helpful applications in hydrological investigations related with the flow regime, the rates of erosion and sediment production from watershed. Quantitative Morphometric analysis plays vital role in prediction of hydrological investigations, assessing the sediment yield and to appraise soil erosion rates. The present work is an attempt to carry out a detailed study of linear, areal and relief morphometric parameters in the Baira river watershed, utilizing synergistically the conventional methods and innovative methods i.e. Remote Sensing and GIS. Drainage morphometry of a watershed and micro-watershed (MSW) reflects hydrogeologic development of that river. Satellite remote sensing data has a capacity of getting the succinct perspective of an expansive region at one time, which is extremely helpful in analysing the drainage morphometry. GIS has demonstrated to be an effective device in drainage delineation and this drainage has been utilized as a part of the present study. Frist time in the world total 173 morphometric parameters has been analysed of a single watershed through the measurement of linear, areal and relief aspects of the watershed. 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