I performed a test simulation with the WRF model by applying the Shuttle Radar Topography Mission (SRTM) 1-3 arcseconds data, compared with the United States Geographical Survey (USGS) data. I expected the simulation results to be better with SRTM. Unlike, I found the results to be better with USGS. I am wondering if I made a mistake during the model performance.
Jens Kleb Thank you for your answer to my question.
But now, any idea on the source of error in my simulation? I performed the simulations in the same condition. Can the error be introduced when transitioning the STRM data from TIFF format to geogrid format?
I downloaded the SRTM in TIFF format and combined them into a single file using QGIS software. Thereafter, I convert them to geogrid using the convertgeotiff program.
I think USGS also provides the same SRTM data but yeah AsterDEM provides better quality than SRTM or USGS.
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