USGS Water Resources Investigations Report No. #Arcgis 10.6 basin delineation verification#Description, instructions, and verification for Basinsoft: A computer program to quantify drainage-basin characteristics. Hydrology and Earth System Sciences, 15, 2091–2099. Drainage basin morphometry: A global snapshot from the shuttle radar topography mission. The response of drainage basins to the late Quaternary tectonics in the Sicilian side of the Messina Strait (NE Sicily). Drainage basin form and process: A geomorphological approach (p. Band I: Fluβkunde (Compendium of Hydrology, Vol. New York: Environmental Systems Research Institute. Bearing, azimuth and drainage (bAd) calculator: a new GIS supported tool for quantitative analyses of drainage networks and watershed parameters. Evaluation of different digital elevation models for analyzing drainage morphometric parameters in a mountainous terrain: a case study of the Supin-Upper Tons Basin, Indian Himalayas. American Journal of Science, 255, 138–141.ĭas, S., Patel, P. A new standard for estimating basin shape. An efficient assignment of drainage direction over flat surfaces in raster digital elevation models. Analyzing the drainage system anomaly of Zagros basins: Implications for active tectonics. Analisi geomorfica quantitativa, Idrogeologia dell’alto bacino del Liri (Appennino Centrale). Bollettino della Societa Geologica Italiana 86, 781–796 ( in Italian).Īvena, G. Sulla valutazione quantitativa della gerarchizzazione ed evoluzione dei reticoli fluviali. Determination of the drainage basin characteristics using vector GIS. Environmental Earth Sciences, 72, 3227–3237.Īpaydin, H., Ozturk, F., Merdun, H., & Aziz, N. Geomorphology and morphometry of the de La Flecha river basin, San Juan, Argentina. Environmental Earth Sciences, 75, 1243.Īngillieri, M. Drainage network extraction and morphometric analysis using remote sensing and GIS mapping techniques (Lesser Zab River Basin, Iraq and Iran). Journal of Indian Society of Remote Sensing, 38, 227–238.Īl-Saady, Y. Evaluation of morphometric parameters derived from ASTER and SRTM DEM: A study on Bandihole subwatershed basin in Karnataka. Journal of African Earth Sciences, 126, 58–74.Īhmed, S. Morphometric analysis of wadi Khumal basin, western coast of Saudi Arabia, using remote sensing and GIS techniques. This will force flow into those pixels and connect the rest of your DEM to your network.Abboud, I. Alternatively, if you are confortable with your vector stream data, you could rasterize these lines and then burn them into your DEM by subtracting a nominal value from the DEM in all cells coincident with the stream. ArcGIS does not includes one, but open source tools like Whitebox GIS include lots of good options. To handle this large flat area, you may want to employ a Carving/Breaching algorithm rather than a filling one. If you have the option, buffer your expected watershed and use that mask for selecting your DEM. This reduces any confusion in ridge cells. Different pit filling and flow direction algorithms will handle this area differently, and it looks like the one you are using is forcing the flow out of your basin instead of into your expected network.įirst, Bill Chappell's answer provides some good advice about running these algorithms on a DEM that is larger than your basin. It looks like your issues may in large part be caused by the large flat in the NE portion of your basin. I have tried several times, but I don't know what to do in order to get the right results. Or the catchment polygon which has same strange square shapes in some parts In stream definition I can obviously see that the results aren't as they should be, because there is no connection between the streamsĪnd if this part isn't proper neither the stream sedimentation nor catchment will be properly done The next step is flow accumulation using the results from flow direction, but I don't think that the streams should be divided like I have in my results Next I created the raster with the command TIN to raster :Īfter creating the raster, I started using the arc-hydro tool, with DEM recognition, using the raster and the flowline, but I don't think the result of the AgreeDem is proper:Ĭontinuing with the fill sink option using the AgreeDemĪfter I did the flow direction part using the fill sink's results: I have the contours and the stream in AutoCAD Civil, after converting to a shapefile, I exported them in GIS,Īfter I created the TIN from the contours below:
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