Evaluation of remotely sensed evapotranspiration products in a large scale Australian arid region: Cooper Creek, Queensland

Abstract

Accurate estimation of evapotranspiration (ET), as the second largest term of the water budget after precipitation, is necessary for arid zone catchments, where conservation of limited water resources is vital for the natural environment and human lives but where reliable ground measurements are sparse due to low population densities. Emergence of remotely sensed products has given promising results in better quantification of spatial and temporal behaviour of evapotranspiration, but these products are mainly calibrated in more humid zones with almost stable land cover, and the emphasis is on transpiration as the main term of water loss. Therefore, utilization of remotely sensed ET products ..