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Adv. Sci. Res., 3, 113-118, 2009
https://doi.org/10.5194/asr-3-113-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.
 
12 Oct 2009
Reference crop evapotranspiration estimate using high-resolution meteorological network's data
C. Lussana1 and F. Uboldi2 1ARPA Lombardia, Milano, Italy
2Consultant, Novate Milanese, Italy
Abstract. Water management authorities need detailed information about each component of the hydrological balance. This document presents a method to estimate the evapotranspiration rate, initialized in order to obtain the reference crop evapotranspiration rate (ET0). By using an Optimal Interpolation (OI) scheme, the hourly observations of several meteorological variables, measured by a high-resolution local meteorological network, are interpolated over a regular grid. The analysed meteorological fields, containing detailed meteorological information, enter a model for turbulent heat fluxes estimation based on Monin-Obukhov surface layer similarity theory. The obtained ET0 fields are then post-processed and disseminated to the users.

Citation: Lussana, C. and Uboldi, F.: Reference crop evapotranspiration estimate using high-resolution meteorological network's data, Adv. Sci. Res., 3, 113-118, https://doi.org/10.5194/asr-3-113-2009, 2009.
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