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Instrument: LYSIMETERS
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Description
LYSIMETERS are types of evaporation gauges that consists of a
tank or pan of soil placed in a field and manipulated so that
the soil, water, thermal, and vegetative properties in the tank
duplicate as closely as possible to the properties of the
surrounding area; uses various methods to determine the
reductions in the weight of the instruments so that water loss
due to evapotranspiration can be computed; some lysimeters deal
with the studies of chemical leaching and others like
shear-stress lysimeters have been developed to measure the
surface momentum flux from the atmosphere.