# 1) extract the overpass time in GMT from metadata file i.landsat.toar -p input=dummy output=dummy2 \ metfile=LC81250452013338LGN00_MTL.txt lsatmet=time # ... in this example approx. 03:12am GMT # 2) create map for computational region of Landsat scene g.region rast=LC81250452013338LGN00_B4 -p r.mapcalc "overpasstime = 3.211328"
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Alexandridis T.K., Cherif I., Chemin Y., Silleos N.G., Stavrinos E., Zalidis G.C. Integrated methodology for estimating water use in Mediterranean agricultural areas. Remote Sensing. 2009, 1, 445-465. (PDF)
Chemin, Y., 2012. A Distributed Benchmarking Framework for Actual ET Models, in: Irmak, A. (Ed.), Evapotranspiration - Remote Sensing and Modeling. InTech. (PDF)
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