I'm working with the Area Solar Radiation tool of the Spatial analyst. I am using Lidar data for a part of Netherlands and am running the model for the whole year with monthly interval and I get highest insolation values for the month of November instead of July or August. I tried it a couple of times and also using a python script but still the same problem. Could anyone help me in explaining this?
Yes it is Projected. Amersfoort_Double_Stereographic projection.
This "52.1 N Latitude" is not a coordinate system.
Is the data in a projected coordinate system? This is recommended for this tool (and for most other analytical tools. If it is projected, then you don't have to specify a mid latitude for the data, because the system will already know that.
Yes 52.1 N Latitude
What is the coordinate system for your data?
Is it in Holland....
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