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  • Writer's pictureLand IQ

Testing Methods of Ground Truth Data Collection for Tracking Water Use

Land IQ prides itself on accurate results, which are a direct result of extensive efforts to collect ground truth data. This applies to both our land use mapping as well as our field-level evapotranspiration estimates.


Land IQ utilizes a network of more than 80 meteorological stations in our data-driven model for field-scale water use or evapotranspiration estimates across over 3 million acres in Stanislaus, Madera, Fresno, Tulare, Kings, and Kern Counties.

Land IQ team members, Frank Anderson and Seth Mulder, recently partnered with LI-COR Environmental on a case study using their newest technology, the LI-710 Evapotranspiration Sensor. The LI-710 measures actual evapotranspiration at a fraction of the cost of more complex direct measurement methods.


When testing the LI-710, side-by-side, with current meteorological stations, the Land IQ team found the LI-710 to have several benefits, including:

  • Comparable results,

  • Easy integration with existing logger systems,

  • Less labor to install, and

  • Potential cost savings.

Learn more about the case study here: Land IQ Tracking Water Use at the Field-Scale in California.

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