Field water loss research

Field water loss research

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Caption: Field water loss research. Agricultural engineer (on ladder) and hydrologic technician determining the water loss from a field, by measuring the sensible heat flux with a large-aperture scintillometer (upper centre). The sensible heat flux is the amount of energy heating a surface without evaporating a liquid from it. This research is part of ongoing studies to preserve the Ogallala, one of the world's largest aquifers, an underground layer of water-bearing permeable rock, in the Great Plains of the USA.

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