EVASPA, a tool for mapping evapotranspiration from space
Résumé
Context and objectives: Evapotranspiration (ET) is a fundamental variable of the hydrological cycle. There is a strong need of methods to monitor ET in space and time, e.g. for evaluating crop water use, improving knowledge in surface processes in hydrological or climate modelling, as well as for weather forecast. We have developed the EVASPA tool to provide continuous mapping of daily ET from remote sensing (RS) data at spatial and temporal scales relevant to hydrological or agronomical studies (Gallego‐Elvira et al., 2013). Further, EVASPA has been designed for providing ET estimations together with estimation uncertainties. In this poster, we provide examples of EVASPA results over the Crau‐Camargue test site (Lower Rhône valley) from MODIS TERRA and AQUA (1km resolution) and LANDSAT‐7 ETM+ data (60 m resolution).
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