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Comparison of different procedures to map reference evapotranspiration using geographical information systems and regression-based techniques

Vicente-Serrano, Sergio M. ; Lanjeri, S. ; López-Moreno, Juan I.

In: International Journal of Climatology, 2007, vol. 27, no. 8, p. 1103 - 1118

This paper compares different procedures for mapping reference evapotranspiration (ETo) by means of regression-based techniques and geographical information systems (GIS). ETo is calculated following the method of Hargreaves (HG) from a dense database of meteorological stations in the northernmost semi-arid region of Europe, the Ebro valley. The HG method requires the...