New DeltaLINK software enables GP2 Logger to calculate full ASCE Penman-Monteith Equation – improving evapotranspiration data accuracy

The latest release of Delta-T Devices’ DeltaLINK Software (v3.7), in combination with its GP2 Data Logger and relevant sensors, enables the full ASCE/FAO-56 Penman-Monteith equation for calculating reference evapotranspiration (ETo).

This enhancement also applies to the WS-GP2 Weather Station – an advanced research-grade system.

ETo is calculated by the GP2 Data Logger using the available measurements of relative humidity, wind speed, solar radiation, and air temperature. This ET implementation includes the ability to vary crop albedo/LAI, canopy resistances, crop height and sensor heights.

The functionality can be easily accessed by users as a selectable recording option within DeltaLINK. Calculated ET can be recorded as hourly and daily values – and may be used in further bespoke calculations or to guide field irrigation decisions.

 

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