Physics of pan evaporation
Global observations indicate that pan evaporation has decreased over the past 50 years. This research aims to understand the reasons behind this decline and its implications for plant water use and water availability, utilising a fully instrumented evaporation pan at Canberra Airport for detailed energy balance analysis.
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Observations from around the world have shown that on average, pan evaporation, a measure of the evaporatiove demand of the atmopshere has decline over the last 50 years.
We want to know why and from that, deduce the implications for plant water use and for water availability.
As part of that research we constrcuted the fully instrumented pan at Canberra airport. With that pan we are examining the hour-by-hour energy balance of this unique, fully-instrumented evaporation pan.
