ArcGIS Desktop

Creating Flow Direction in ArcGIS

EARI ArcGIS Creating Flow Direction

This video demonstrates how to calculate flow direction in ESRI ArcGIS. One of the keys to deriving hydrologic characteristics of a surface is the ability to determine the direction of flow from every cell in the raster.Flow direction determines which direction water will flow in a given cell.The eight direction pour point model is often used to determine the direction ...

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Zonal statistics in ArcGis

Zonal statistics in ArcGis

Sometimes you may need to know average surface temperature of each land use category or average soil nitrogen content per paddy field or average slope per watershed or so on; Zonal Statistics Tool is right for you. It summarizes the values of a raster within the zones of another dataset (either raster or vector) and reports the results to a ...

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