Abstract
This review paper dictates the digitization of streams of order 1st - 5th order using the software ArcGIS for doing the digitization work. This review paper covers the theories and methodology that covers this work. The data will be downloaded from USGS website the data needs to be downloaded as a “.tiff” files. This data needs to be processed in the ArcGIS software for generation of a digital elevation model. This DEM (Digital Elevation Model) will provide you with the elevation of the area and then from these elevations we have to extract the rainfall accumulation data using the tool in ArcGIS. After this the data will be processed to get the final streams order. This paper clears all the doubts that one might have regarding the digitization and DEM generation.
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