Dear all,
I ran SDR for InVEST_3.7.0 but results for sed_retention & sed_export are very low (1.24275e-008 - 5.20528e-006). What could be the problem? I will be very happy to hear from you. Thanks JohnInVEST-Sediment-Delivery-Ratio-Model-(SDR)-log-2019-06-12–21_56_19.txt (14.2 KB)

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Hi @johnwasige -

Thanks for posting the logfile. It doesn’t show anything obviously wrong, so I’ll suggest checking a few things to start. Are your spatial inputs in a projected coordinate system, not a geographic one? If they’re in a geographic coordinate system (in degrees, like WGS84), Reproject/Warp them to a projected one (in meters, like UTM) and see if that helps.

Also, make sure the units of your inputs are correct - the Data Needs section of the User Guide lists the required units.

If both of these are ok, I can look at your data and see what’s happening.

~ Stacie

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Thanks so much. That worked!