Remote Sensing of Evapotranspiration (ET) II

Dear Colleagues,

Evapotranspiration (ET) is a key component of the Earth’s surface and water balances. Remote sensing has played a significant role in understanding the process of ET over the last three decades. However, significant uncertainties exist in the current state-of-the-art remote sensing-based ET models, as no single model has been found to work best under all conditions. The main goal of this Special Issue is to report on recent advancements in the development and applications of remote sensing-based ET models at multiple scales and efforts to reduce existing uncertainties in current remote sensing-based ET models. Model evaluation and application studies that combine remote sensing, ground-based ET methods (Lysimeter, neutron probes, Eddy covariance, Bowen ratio, scintillometer, ET gauges, etc.), climate data, and socioeconomic outcomes are also welcome. Contributions to this Special Issue may include (but not be limited to): (1) evaluation of existing/new instruments for their ability to measure ET/surface energy fluxes accurately in different agrometeorological conditions, limitation, and challenges of current and new methods; (2) recent advancements in remote sensing-based ET models; (3) application of remote sensing-based ET models in water rights, interstate compacts, invasive species, agricultural and urban allocations, endangered species protection, drought and food insecurity, large-scale land-surface and climate models, water conservation projects, irrigation performance, environmental impact assessment due to groundwater extractions, dryland water management, hydrological modeling, crop modeling, assessing crop water productivity, and irrigation scheduling, to name a few; (4) understanding the drivers of ET in a given ecosystem with respect to environmental change; and (5) linking ET with field and social data to understand ET/crop water use responses to changes in socioeconomic conditions. Papers on coupling of CO₂ fluxes and ET and water use efficiency will also be considered.

Dr. Nishan Bhattarai
Dr. Pradeep Wagle
Guest Editors

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