Significance of remotely sensed evapotranspiration in plant life: A review
作者： Alpana Shukla , Rajsi Kot
DOI: 10.1109/AGRO-GEOINFORMATICS.2015.7248138
关键词:
摘要: Evapotranspiration (ET) is the sum of evaporation and plant transpiration from Earth's land ocean surface to atmosphere. Evaporation accounts for movement water air sources such as soil, canopy interception, bodies. Transpiration within a subsequent loss vapor through stomata in its leaves. an important part water_cycle. An element (such tree) that contributes evapotranspiration can be called evapotranspirator. Plant growth processes productivity agro ecosystems depend highly on (soil-crop cover complex) surface. Through links between stomatal conductance, carbon exchange use efficiency canopies, ET serves regulator key ecosystem processes. Remote sensing has proven best tool estimate at regional level. The remote data provide representative parameters temperature, albedo, vegetation indices. Multi-band sensors measure reflected solar emitted thermal radiation discrete wavelength intervals could obtain detailed over extended area. This paper reviews significance applications estimation system, cycle agriculture role techniques evapotranspiration. It also evaluates future outcomes well remaining challenges associated with present.
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