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Journal articles on the topic 'Delineation of watershed'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Zamir, Umair bin, and Jamil Hassan Kazmi. "Automated Method for Delineating Watershed, Drainage Pattern and Calculation of Flow Accumulation in Punjab Province using Digital Elevation Model." Pakistan Journal of Scientific & Industrial Research Series A: Physical Sciences 58, no. 2 (2015): 90–98. http://dx.doi.org/10.52763/pjsir.phys.sci.58.2.2015.90.98.

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Delineation of the watershed and drainage is among the prior requirement of any organised hydrological study. Delineating watershed is important for elucidating the geo-hydrological conditions of any geographical space. This study aims to explore the vitality of Digital Elevation Model (DEM) data in calculating the flow accumulation, flow length, drainage pattern and watershed basin delineation of Punjab as well as elevational profiling district wise and delineating the catchment density. The potential hydrological system developed is based on 1 arc second Aster GDEM data. Depression less DEM

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Joshi, Mallika, Pankaj Kumar, and Purabi Sarkar. "Morphometric parameters based prioritization of a Mid-Himalayan watershed using fuzzy analytic hierarchy process." E3S Web of Conferences 280 (2021): 10004. http://dx.doi.org/10.1051/e3sconf/202128010004.

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Watershed prioritization has become increasingly crucial for managing natural resources, especially the watersheds. A useful decision support tool to provide appropriate weights to different morphological attributes with lineage with soil erosion is required to identify environmentally stressed areas for the watershed resources. This study examines the Western Nayar watershed delineation and further examination of the watershed’s morphometric parameters. The morphometric parameters were quantified under the linear, areal, and relief heads for the watershed. The prioritization of sub-watersheds

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3

Rawat, Kishan Singh, Gopal Krishna, Amresh Mishra, Jitendra Singh, and Shashi Vind Mishra. "Effect of DEM data resolution on low relief region sub-watershed boundaries delineating using of SWAT model and DEM derived from CARTOSAT-1 (IRS-P5), SRTM and ASTER." Journal of Applied and Natural Science 6, no. 1 (2014): 144–51. http://dx.doi.org/10.31018/jans.v6i1.391.

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Watersheds are natural integrators of hydrological, biological, and geological processes and as such require an integrated approach to data analysis and modeling, which usually starts delineating accurately a polygon vector layer of watershed boundaries as input. In that way, Garrah sub-watershed in Shahjahanpur district of U.P., India, had been isolated with the objective of evaluate the accuracy of sub-watershed boundaries derived from three different sources: One was delineated by 2.6 m resolution CARTOSAT-1 DEM (IRS-P5) and other two were derived from a 30 m ASTER DEM and a 90 m SRTM DEM,

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Basnet, Keshav, Ram Chandra Paudel, and Bikash Sherchan. "Analysis of Watersheds in Gandaki Province, Nepal Using QGIS." Technical Journal 1, no. 1 (2019): 16–28. http://dx.doi.org/10.3126/tj.v1i1.27583.

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Gandaki province has the good potentiality of hydro-electricity generation with existing twenty-nine hydro-electricity projects. Since the Province is rich in water resources, analysis of watersheds needs to be done for management, planning and identification of water as well as natural resources. GIS offers integration of spatial and no spatial data to understand and analyze the watershed processes and helps in drawing a plan for integrated watershed development and management. The Digital Elevation Model (DEM) available on the NASA-Earth data has been taken as a primary data for morphometric

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5

Kumar, Manoj, Rohitashw Kumar, P. K. Singh, Manjeet Singh, K. K. Yadav, and H. K. Mittal. "Catchment delineation and morphometric analysis using geographical information system." Water Science and Technology 72, no. 7 (2015): 1168–75. http://dx.doi.org/10.2166/wst.2015.303.

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The geographical information system (GIS) has emerged as an efficient tool in delineation of drainage patterns of watershed planning and management. The morphometric parameters of basins can address linear, areal and relief aspects. The study deals with the integrated watershed management of Baliya micro-watersheds, located in the Udaipur district of Rajasthan, India. Morphometric analysis in hydrological investigation is an important aspect and it is inevitable in the development and management of drainage basins. The determination of linear, areal and relief parameters indicate fairly good s

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Krieger, L., E. Johnson, and D. Floricioiu. "A NEW DRAINAGE BASIN DELINEATION FOR THE SOUTHERN PATAGONIAN ICE FIELD BASED ON TERRASAR-X VELOCITIES AND TANDEM-X ELEVATIONS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-3/W2-2020 (October 29, 2020): 133–36. http://dx.doi.org/10.5194/isprs-annals-iv-3-w2-2020-133-2020.

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Abstract. The drainage basins or catchments for the Patagonian Ice Field are part of glacier inventories like the Randolph Glacier Inventory (RGI) or the Global Land Ice Measurements from Space (GLIMS). These catchments are used in many glaciological studies for integrating remote sensing measurements over the area of a single glacier. An accurate basin boundary delineation is therefore important for applications like mass balance measurements for individual glaciers in Patagonia. Here we investigate existing catchment delineations of the Southern Patagonian Ice Field (SPI) with a modified wat

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7

Chen, Manyu, Yuanlai Cui, Philip Gassman, and Raghavan Srinivasan. "Effect of Watershed Delineation and Climate Datasets Density on Runoff Predictions for the Upper Mississippi River Basin Using SWAT within HAWQS." Water 13, no. 4 (2021): 422. http://dx.doi.org/10.3390/w13040422.

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The quality of input data and the process of watershed delineation can affect the accuracy of runoff predictions in watershed modeling. The Upper Mississippi River Basin was selected to evaluate the effects of subbasin and/or hydrologic response unit (HRU) delineations and the density of climate dataset on the simulated streamflow and water balance components using the Hydrologic and Water Quality System (HAWQS) platform. Five scenarios were examined with the same parameter set, including 8- and 12-digit hydrologic unit codes, two levels of HRU thresholds and two climate data densities. Result

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8

Shafiq, Muhammad, Muhammad Irfan, and Mehrab Khan. "Using Multi-Mission Satellite Elevation Data for Delineation of Gilgit Watershed in Pakistan in Geographical Information Technology Environment." International Journal of Economic and Environmental Geology 11, no. 2 (2020): 19–24. http://dx.doi.org/10.46660/ijeeg.vol11.iss2.2020.441.

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The hydro-climatological variations in Gilgit watershed of Upper Indus basin is less scientifically understood due to diverse geography, remoteness of the region and larger variations in climatic conditions. Extraction of catchments at multiple scales is an important task in undertaking the watershed management studies. Satellite remote sensing (SRS) and geographical information technology (GIT) provide a very useful method to study the watersheds. In view of the facts, watershed/ natural resources management in Gilgit river basin, application of geospatial techniques to various elevation data

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9

Wang, Ning, and Xuefeng Chu. "A New Algorithm for Delineation of Surface Depressions and Channels." Water 12, no. 1 (2019): 7. http://dx.doi.org/10.3390/w12010007.

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Topographic delineation is critical to watershed hydrologic modeling, which may significantly influence the accuracy of model simulations. In most traditional delineation methods, however, surface depressions are fully filled and hence, watershed-scale hydrologic modeling is based on depression-less topography. In reality, dynamic filling and spilling of depressions affect hydrologic connectivity and surface runoff processes, especially in depression-dominated areas. Thus, accounting for the internal hydrologic connectivity within a watershed is crucial to such hydrologic simulations. The obje

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10

Liao, Chang, Teklu Tesfa, Zhuoran Duan, and L. Ruby Leung. "Watershed delineation on a hexagonal mesh grid." Environmental Modelling & Software 128 (June 2020): 104702. http://dx.doi.org/10.1016/j.envsoft.2020.104702.

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11

Jones, Norman L., Stephen G. Wright, and David R. Maidment. "Watershed Delineation with Triangle‐Based Terrain Models." Journal of Hydraulic Engineering 116, no. 10 (1990): 1232–51. http://dx.doi.org/10.1061/(asce)0733-9429(1990)116:10(1232).

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12

Luo, Guang Jie, Shi Jie Wang, Xiao Yong Bai, Xiu Ming Liu, and An Yun Cheng. "Delineating small karst watersheds based on digital elevation model and eco-hydrogeological principles." Solid Earth 7, no. 2 (2016): 457–68. http://dx.doi.org/10.5194/se-7-457-2016.

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Abstract. Dominated by specific eco-hydrogeological backgrounds, a small watershed delineated by using the traditional method is always inauthentic in karst regions because it cannot accurately reflect the eco-hydrological process of the dual structure of the surface and subsurface. This study proposes a new method for the delineation of small watersheds based on digital elevation models (DEMs) and eco-hydrogeological principles in karst regions. This method is applied to one section of the tributary area (Sancha River) of the Yangtze River in China. By comparing the quantity, shape, superimpo

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Al Amin, M. Baitullah, Mona Foralisa Toyfur, Widya Fransiska, and Ayu Marlina. "Delineasi DAS dan Elemen Model Hidrologi Menggunakan HEC-HMS Versi 4.4." Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil 9, no. 1 (2020): 33–38. http://dx.doi.org/10.35139/cantilever.v9i1.37.

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The watershed delineation process is needed and has an essential role in various water resource projects. This study aims to examine the GIS processing function embedded in the latest HEC-HMS software version 4.4 for the delineation of watershed and elements of the hydrological model. In comparison, watershed delineation was also carried out by using ArcGIS software. The area of study is the Bendung subbasin located in Palembang City, where terrain data used is a National DEM data with a spatial resolution of 8 m (0.27 arc-second). The results showed that the boundaries and area of the watersh

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14

Rentería-Guevara, Sergio Arturo, Antonio Sanhouse-García, Yaneth Bustos-Terrones, Abraham E. Rodriguez-Mata, and Jesus Gabriel Rangel-Peraza. "A proposal to integrate the legal definition and official delineation of watersheds in Mexico: eight model case studies." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 14, no. 2 (2019): 1. http://dx.doi.org/10.4136/ambi-agua.2198.

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A hydrological basin is established as a geographic frame to officially determine surface water availability and is basic to confer or deny water rights. In Mexico, the legal definition of a hydrological basin is confusing and inconsistent with the official basin delineation published by the authority. This situation is demonstrated through the analysis of eight study cases located in Hydrological Region 10 Sinaloa. A proposal to define the legal term of hydrological basin, ensuring its consistency with official delineation of hydrological basins is presented. Geographic analysis was performed

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15

YAMIN, MUHAMAD. "STUDI PENGEMBANGAN MODEL HIDROGRAF SATUAN SISTETIS SNYDER UNTUK SUNGAI –SUNGAI DI SULAWESI SELATAN." GANEC SWARA 13, no. 1 (2019): 126. http://dx.doi.org/10.35327/gara.v13i1.72.

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This study aims to analyze the parameters that influence the Snyder synthetic unit hydrograph method. The study was conducted on 11 watersheds in South Sulawesi Province, 8 watersheds for modeling and 3 other watersheds for reliability testing (model verification). With rainfall data, the discharge data and watershed characteristics obtained from each watershed were analyzed for parameters that affected the hydrograph breakdown of the Snyder HSS method. Then compared to the hydrograph of the observation unit which was analyzed by the Collins method. After calibration was done with the NASH cri

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-, Maryam Afifa, Afla Dina -, Elvi Roza Syofyan, and Wisafri -. "Analisa Debit Andalan Pada Das Batang Arau Dengan Menggunakan Model Soil And Water Assessment Tool (SWAT)." Jurnal Ilmiah Poli Rekayasa 16, no. 1 (2020): 34. http://dx.doi.org/10.30630/jipr.16.1.191.

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Batang Arau is one of the rivers that flows in the city of Padang, the upstream part of the Batang Arau watershed starting from the Lubuk Paraku river which is in the northeast of Padang City, with a water catchment area of 2,504 hectares which is Dr. Muhammad Hatta, Nature Reserve Area Barisan I and Arau downstream. The Batang Arau watershed has decreased its primary forest area due to the large number of additional settlements. The increase in residential area resulted in the land that was previously not waterproof. The mainstay discharge always increases in the rainy season and decreases in

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17

Choi, Jin-Yong, and Bernard A. Engel. "Real-Time Watershed Delineation System Using Web-GIS." Journal of Computing in Civil Engineering 17, no. 3 (2003): 189–96. http://dx.doi.org/10.1061/(asce)0887-3801(2003)17:3(189).

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18

Roudier, Pierre, Bruno Tisseyre, Hervé Poilvé, and Jean-Michel Roger. "Management zone delineation using a modified watershed algorithm." Precision Agriculture 9, no. 5 (2008): 233–50. http://dx.doi.org/10.1007/s11119-008-9067-z.

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19

Donmez, Cenk, Omer Sari, Suha Berberoglu, Ahmet Cilek, Onur Satir, and Martin Volk. "Improving the Applicability of the SWAT Model to Simulate Flow and Nitrate Dynamics in a Flat Data-Scarce Agricultural Region in the Mediterranean." Water 12, no. 12 (2020): 3479. http://dx.doi.org/10.3390/w12123479.

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Understanding the soil and hydrologic processes in agricultural watersheds are vital for reliable assessments of water quantity and quality to support integrated river basin management. However, deriving hydrology-relevant information is complicated in flat data-scarce agricultural watersheds due to constraints in watershed delineation, flat topography, poor natural drainage, and irregular irrigation schedules by human intervention. The study aimed to improve the applicability of the Soil and Water Assessment Tool (SWAT) model to simulate daily flow and NO3 concentrations in a flat data-scarce

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20

Syed, N. H., A. A. Rehman, D. Hussain, S. Ishaq, and A. A. Khan. "MORPHOMETRIC ANALYSIS TO PRIORITIZE SUB-WATERSHED FOR FLOOD RISK ASSESSMENT IN CENTRAL KARAKORAM NATIONAL PARK USING GIS/RS APPROACH." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences IV-4/W4 (November 13, 2017): 367–71. http://dx.doi.org/10.5194/isprs-annals-iv-4-w4-367-2017.

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Morphometric analysis is vital for any watershed investigation and it is inevitable for flood risk assessment in sub-watershed basins. Present study undertaken to carry out critical evaluation and assessment of sub watershed morphological parameters for flood risk assessment of Central Karakorum National Park (CKNP), where Geographical information system and remote sensing (GIS &amp; RS) approach used for quantifying the parameter and mapping of sub watershed units. ASTER DEM used as a geo-spatial data for watershed delineation and stream network. Morphometric analysis carried out using sp

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21

Leon, Miguel C., Tamara Heartsill-Scalley, Iván Santiago, and William H. McDowell. "Hydrological Mapping in the Luquillo Experimental Forest: New Local Datum Improves Watershed Ecological Knowledge." Hydrology 8, no. 1 (2021): 54. http://dx.doi.org/10.3390/hydrology8010054.

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Streams and rivers of the Luquillo Experimental Forest, Puerto Rico, have been the subject of extensive watershed and aquatic research since the 1980s. This research includes understanding stream export of nutrients and coarse particulate organic matter, physicochemical constituents, aquatic fauna populations and community structure. However, many of the streams and watersheds studied do not appear in standard scale maps. We document recent collaborative and multi-institutional work to improve hydrological network information and identify knowledge gaps. The methods used to delimit and densify

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22

Ma, Donglai, Seiko Yoshikawa, Yoshiaki Ohsawa, Tadamasa Saito, Masahiro Kobayashi, and Sadao Eguchi. "Study on Potential Influence of Runoff on Observatory-Based Watershed in Japan." Journal of Sustainable Development 12, no. 4 (2019): 19. http://dx.doi.org/10.5539/jsd.v12n4p19.

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Land use shows the interaction between human and nature, and its impacts especially on runoff have received global attention and required more research studies. However, watershed database is generally available only for very large scales and not yet adapted to small scales. This paper presents a methodology for watershed delineation and potential influence assessment of runoff on the small watersheds in Japan based on the locations of the official observatory point data. Flow direction, flow accumulation, snap pour point and watershed recognition were analyzed by using the D8 algorithm and 10

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23

Waiyasusri, Katawut, and Srilert Chotpantarat. "Watershed Prioritization of Kaeng Lawa Sub-Watershed, Khon Kaen Province Using the Morphometric and Land-Use Analysis: A Case Study of Heavy Flooding Caused by Tropical Storm Podul." Water 12, no. 6 (2020): 1570. http://dx.doi.org/10.3390/w12061570.

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During 29–31 September 2019, tropical storm Podul moved into the Kaeng Lawa sub-watershed (KLs), the upstream area of the Chi watershed, causing the worst flooding in 40 years. This study was carried out to analyze the watershed characteristic (WC) variables and prioritize the risks of land-use patterns in KLs, Khon Kaen Province, using a watershed delineation approach. As a result of this study, of the 11 sub-watersheds in the Kaeng Lawa watershed, only KL03 and KL04 were deemed medium priority within their drainage and storage capacity systems. KL01, in the upstream sub-watershed, displayed

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Wu, Yong, Changyou Li, Chengfu Zhang, Xiaohong Shi, Charles P. A. Bourque, and Shengnan Zhao. "Evaluation of the applicability of the SWAT model in an arid piedmont plain oasis." Water Science and Technology 73, no. 6 (2015): 1341–48. http://dx.doi.org/10.2166/wst.2015.609.

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Hetao Oasis is located in a typical piedmont alluvial plain bounded by the Langshan Mountain Range in the north, desert in the west, and the Yellow River in the south. Agricultural activities within the oasis significantly impact the hydrological cycle and water quality in downstream locations. The research uses the Soil and Water Assessment Tool (SWAT) for a piedmont plain by defining the watershed boundary as coinciding with the natural mountain ridge, the border between the oasis and the desert, and the Yellow River. The model simulates water discharge with coefficient of determination and

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Murty, C. V. S. S. B. R., and P. Venkatachalam. "Delineation of erosion cells in a watershed using GIS." Journal of Environmental Management 36, no. 3 (1992): 159–66. http://dx.doi.org/10.1016/s0301-4797(05)80130-6.

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Ray, Litan Kumar. "Limitation of automatic watershed delineation tools in coastal region." Annals of GIS 24, no. 4 (2018): 261–74. http://dx.doi.org/10.1080/19475683.2018.1526212.

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Rinaldo, Andrea, Sergio Fagherazzi, Stefano Lanzoni, Marco Marani, and William E. Dietrich. "Tidal networks: 2. Watershed delineation and comparative network morphology." Water Resources Research 35, no. 12 (1999): 3905–17. http://dx.doi.org/10.1029/1999wr900237.

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Karimipour, Farid, Mehran Ghandehari, and Hugo Ledoux. "Watershed delineation from the medial axis of river networks." Computers & Geosciences 59 (September 2013): 132–47. http://dx.doi.org/10.1016/j.cageo.2013.06.004.

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Miardini, Arina, and Grace Serepina Saragih. "PENENTUAN PRIORITAS PENANGANAN BANJIR GENANGAN BERDASARKAN TINGKAT KERAWANAN MENGGUNAKAN TOPOGRAPHIC WETNESS INDEX Studi Kasus di DAS Solo." Jurnal Ilmu Lingkungan 17, no. 1 (2019): 113. http://dx.doi.org/10.14710/jil.17.1.113-119.

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The increasing frequency of flood events is an indication of the failure of watershed management. Natural resource utilization activities in the Solo watershed tend to be intensive from upstream to downstream, cause a decrease in the carrying capacity of the watershed. To restore the carrying capacity of the watershed, efforts are needed to monitor and evaluate watersheds. The initial stage that needs to be done is to ensure the accuracy of the flood-prone areas by determining priority areas. The purpose of the study is to determine the flood-prone areas in the Solo watershed based on the leve

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Buakhao, Waranyu, and Anongrit Kangrang. "DEM Resolution Impact on the Estimation of the Physical Characteristics of Watersheds by Using SWAT." Advances in Civil Engineering 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/8180158.

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A digital elevation model (DEM) is an important spatial input for automatic extraction of topographic parameters for the soil and water assessment tool (SWAT). The objective of this study was to investigate the impact of DEM resolution (from 5 to 90 m) on the delineation process of a SWAT model with two types of watershed characteristics (flat area and mountain area) and three sizes of watershed area (about 20,000, 200,000, and 1,500,000 hectares). The results showed that the total lengths of the streamline, main channel slope, watershed area, and area slope were significantly different when u

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Li, Leilei, Jintao Yang, and Jin Wu. "A Method of Watershed Delineation for Flat Terrain Using Sentinel-2A Imagery and DEM: A Case Study of the Taihu Basin." ISPRS International Journal of Geo-Information 8, no. 12 (2019): 528. http://dx.doi.org/10.3390/ijgi8120528.

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Accurate watershed delineation is a precondition for runoff and water quality simulation. Traditional digital elevation model (DEM) may not generate realistic drainage networks due to large depressions and subtle elevation differences in local-scale plains. In this study, we propose a new method for solving the problem of watershed delineation, using the Taihu Basin as a case study. Rivers, lakes, and reservoirs were obtained from Sentinel-2A images with the Canny algorithm on Google Earth Engine (GEE), rather than from DEM, to compose the drainage network. Catchments were delineated by modify

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Park, Mee-Jeong, Hyun Heo, Tae-Gon Kim, Kyo Suh, and Jeong-Jae Lee. "Watershed Delineation Algorithm Using Kruskal's Algorithm and Triangulated Irregular Network." Journal of The Korean Society of Agricultural Engineers 48, no. 4 (2006): 3–12. http://dx.doi.org/10.5389/ksae.2006.48.4.003.

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Haag, Scott, and Ali Shokoufandeh. "Development of a data model to facilitate rapid watershed delineation." Environmental Modelling & Software 122 (December 2019): 103973. http://dx.doi.org/10.1016/j.envsoft.2017.06.009.

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Cambareri, Thomas C., and Eduard M. Eichner. "Watershed Delineation and Ground Water Discharge to a Coastal Embayment." Ground Water 36, no. 4 (1998): 626–34. http://dx.doi.org/10.1111/j.1745-6584.1998.tb02837.x.

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Squividant, H., R. Bera, P. Aurousseau, and C. Cudennec. "Online watershed boundary delineation: sharing models through Spatial Data Infrastructures." Proceedings of the International Association of Hydrological Sciences 368 (May 6, 2015): 144–49. http://dx.doi.org/10.5194/piahs-368-144-2015.

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Abstract. The proposal in this paper is to make accessible the hydrology analysis tools that were developed by our research team in the past years through an interoperable Spatial Data Infrastructure. To this aim we chose to develop add-ons for the geOrchestra OGC-compliant platform. Such add-ons trigger algorithms and retrieve their output in real time through OGC standard WPS. We then introduce a watershed WPS add-on and its functioning modes. In so doing we exemplify the fact that the use of OGC standards make it straightforward (and transparent to the user operating a common web browser) t

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Castronova, Anthony M., and Jonathan L. Goodall. "A hierarchical network-based algorithm for multi-scale watershed delineation." Computers & Geosciences 72 (November 2014): 156–66. http://dx.doi.org/10.1016/j.cageo.2014.07.014.

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Mantelli, Luiz Rogério, Jomar Magalhães Barbosa, and Marisa Dantas Bitencourt. "Assessing ecological risk through automated drainage extraction and watershed delineation." Ecological Informatics 6, no. 5 (2011): 325–31. http://dx.doi.org/10.1016/j.ecoinf.2011.04.003.

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38

Rouhani, Hamed, Patrick Willems, and Jan Feyen. "Effect of watershed delineation and areal rainfall distribution on runoff prediction using the SWAT model." Hydrology Research 40, no. 6 (2009): 505–19. http://dx.doi.org/10.2166/nh.2009.042.

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The effect of the division in number of subcatchments and the spatial distribution of areal rainfall on the prediction of streamflow was evaluated using the SWAT model and data from the Grote Nete River catchment (Flanders, Belgium). A multi-automatic calibration scheme (MACS), using the Shuffled Complex Evolution (SCE) optimization algorithm, was applied. A total of 6 delineations were examined. The performance of each model set-up was assessed with respect to the outlet measured daily total, quick and slow flow component. The highest Nash–Sutcliffe Efficiency (EF) value for daily total flow

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Definnas, Annisa Fitriana, Rozy Fairuzza Reyandal, Elvi Roza Syofyan, and Wisafri. "Analisa Pengaruh Perubahan Penggunaan Lahan terhadap DAS Batang Kuranji dengan Menggunakan Model Soil and Water Assessment Tool (SWAT)." Jurnal Ilmiah Poli Rekayasa 15, no. 2 (2020): 1. http://dx.doi.org/10.30630/jipr.15.2.161.

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Batang Kuranji is one of six rivers that flow in the city of Padang, and is the main source of water for residents of Padang City to meet the raw water which is then processed into clean water and the needs of Mt. Nago irrigation water. The increase in population causes the population to move to a higher area (green zone). Batang Kuranji watershed has experienced a reduction in the area of forest land due to changes in land use activities by the population movement. As a result, land that was not watertight at first became watertight, the mainstay discharge or expected discharge is always avai

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Rai, Praveen Kumar, Prafull Singh, Varun Narayan Mishra, Anisha Singh, Bhartendu Sajan, and Arjun Pratap Shahi. "Geospatial Approach for Quantitative Drainage Morphometric Analysis of Varuna River Basin, India." Journal of Landscape Ecology 12, no. 2 (2019): 1–25. http://dx.doi.org/10.2478/jlecol-2019-0007.

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Abstract An assessment of Varuna river basin of India was performed to study the various drainage parameters in GIS platform. The delineation of drainage network is possible either physically from topographic sheets or with the help data of Digital Elevation Model (DEM) by methods for calculation techniques. Extraction of the basin and sub-basins, stream network has been produced to evaluate the drainage characteristics in the study zone. The entire Varuna river basin has been subdivided into 3 sub-watersheds and 41 morphometric parameters have been computed under four broad categories i.e. dr

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DeAlwis, D. A., Z. M. Easton, H. E. Dahlke, W. D. Philpot, and T. S. Steenhuis. "Unsupervised classification of saturated areas using a time series of remotely sensed images." Hydrology and Earth System Sciences Discussions 4, no. 3 (2007): 1663–96. http://dx.doi.org/10.5194/hessd-4-1663-2007.

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Abstract. The spatial distribution of saturated areas is an important consideration in numerous applications, such as water resource planning or sighting of management practices. However, in humid well vegetated climates where runoff is produced by saturation excess processes on hydrologically active areas (HAA) the delineation of these areas can be difficult and time consuming. Much of the non-point source pollution in these watersheds originates from these HAAs. Thus, a technique that can simply and reliably predict these areas would be a powerful tool for scientists and watershed managers t

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Luo, Yunxiang, Baolin Su, Junying Yuan, Hui Li, and Qian Zhang. "GIS Techniques for Watershed Delineation of SWAT Model in Plain Polders." Procedia Environmental Sciences 10 (2011): 2050–57. http://dx.doi.org/10.1016/j.proenv.2011.09.321.

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E. Daffi, R. "Delineation of River Watershed and Stream Network Using Ilwis 3.7.1 Academic." International Scientific Research Journal 1, no. 06 (2015): 10–15. http://dx.doi.org/10.18483/irjsci.83.

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Haag, Scott, Bahareh Shakibajahromi, and Ali Shokoufandeh. "A new rapid watershed delineation algorithm for 2D flow direction grids." Environmental Modelling & Software 109 (November 2018): 420–28. http://dx.doi.org/10.1016/j.envsoft.2018.08.017.

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Daffi, R., and I. Ahuchaogu. "Delineation of River Watershed and Stream Network Using ILWIS 3.7.1 Academic." Asian Journal of Environment & Ecology 4, no. 4 (2017): 1–8. http://dx.doi.org/10.9734/ajee/2017/35972.

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Chang, C. L. "The impact of watershed delineation on hydrology and water quality simulation." Environmental Monitoring and Assessment 148, no. 1-4 (2008): 159–65. http://dx.doi.org/10.1007/s10661-007-0147-8.

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Comair, G. F., D. C. McKinney, and D. Siegel. "Hydrology of the Jordan River Basin: Watershed Delineation, Precipitation and Evapotranspiration." Water Resources Management 26, no. 14 (2012): 4281–93. http://dx.doi.org/10.1007/s11269-012-0144-8.

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Choi, Jin-Yong, Bernard A. Engel, and Richard L. Farnsworth. "Web-based GIS and spatial decision support system for watershed management." Journal of Hydroinformatics 7, no. 3 (2005): 165–74. http://dx.doi.org/10.2166/hydro.2005.0014.

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Geographic Information Systems (GIS) have been widely used for spatial data manipulation for hydrologic model operations and as a supporting tool to develop spatial decision support systems (SDSS). Information technologies, including GIS and the Internet, have provided opportunities to overcome many of the limitations of computer-based models in terms of data preparation and visualisation, and provide the possibility to create integrated SDSS. This paper examines the relationship between changes in GIS technology and watershed management SDSS. It also describes a conceptual web-based SDSS fram

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Singh, Gurdeep, Dharmendra Saraswat, Naresh Pai, and Benjamin Hancock. "LUU CHECKER: A Web-based Tool to Incorporate Emerging LUs in the SWAT Model." Applied Engineering in Agriculture 35, no. 5 (2019): 723–31. http://dx.doi.org/10.13031/aea.13295.

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Abstract. Standard practice of setting up Soil and Water Assessment Tool (SWAT) involves use of a single land use (LU) layer under the assumption that no change takes place in LU condition irrespective of the length of simulation period. This assumption leads to erroneous conclusions about efficacy of management practices in those watersheds where land use changes (LUCs) (e.g. agriculture to urban, forest to agriculture etc.) occur during the simulation period. To overcome this limitation, we have developed a user-friendly, web-based tool named LUU Checker that helps create a composite LU laye

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Ezz, Hesham, Muhammad Gomaah, and Mohamed Abdelwares. "Watershed Delineation and Estimation of Groundwater Recharge for Ras Gharib Region, Egypt." Journal of Geoscience and Environment Protection 07, no. 04 (2019): 202–13. http://dx.doi.org/10.4236/gep.2019.74013.

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