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  5. Land IQ ET - Field-Scale Water Use ...

Land IQ ET - Field-Scale Water Use Estimation Model

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Land IQ ET is a sophisticated model developed for detailed estimation of water use at the field scale. It calculates water consumption through the processes of evaporation and transpiration, collectively known as evapotranspiration (ET). The model integrates comprehensive ground station data and direct image analysis to interpret image data effectively. Designed initially for the Semitropic Water Storage District (SWSD), it has expanded since 2016 to cover more than 3 million acres. This includes nearly 40 Groundwater Sustainability Agencies (GSAs) or irrigation districts with 35 to 40 different crop types, utilizing multiple water sources. Deliverables include both report and web-based formats, with all GIS and tabular results downloadable from the web tool. The web tool offers extensive functionalities, including field boundaries, current crop mapping, field-by-field ET and precipitation coverages. Land IQ ET distinguishes itself through data-driven analysis, field-level scale, ground truth data, accurate crop mapping, and the integration of agronomic features of modern cropping systems.
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Land IQ ET is a data driven model that was developed for detailed, field-scale water use estimation.  Water use estimation is calculated as evapotranspiration (ET), or the amount of water consumed by the plant through evaporation and transpiration. The model uses robust ground station data and direct image analysis to interpret image data.

The Land IQ ET model is differentiated from other models in the following ways. See the FAQs for more information on each item.

  • Data-driven 

  • Field-level scale analysis

  • Ground truth data 

  • Accurate and timely crop mapping 

  • Remote sensing imagery

  • Integration of agronomic features of modern cropping systems 

Land IQ ET was initially developed for use in the Semitropic Water Storage District (SWSD). Since 2016, in addition to SWSD, the organizations utilizing Land IQ ET has grown to cover over 3 million acres including:

  • Nearly 40 GSAs or Irrigation Districts

  • With 35 - 40 different crop types

  • Utilizing multiple water sources

 

Results are delivered in both report and web-based formats with all GIS and tabular results downloadable from the web tool. The web tool contains all fields, field boundaries, current crop mapping, coverages of field-by-field ET and precipitation, as well as a download link for all results and reports.