Models

9 articles

Evapotranspiration

ZENTRA Cloud follows the standard FAO 56 Penman-Monteith guidelines for calculating evapotranspiration. Users can choose between ETr (alfalfa) reference or ETo (grass) reference depending on preference.

Updated by Travis Bates

Chill Hours

The chill hours model specifies that the hours between 32 and 45 degrees Fahrenheit (0°C to 7.2°C), accumulate as chill hours.

Updated by Travis Bates

Daily Light Photoperiod

The daily light photoperiod model uses measured PAR (Photosynthetically Active Radiation) or PYR (Solar Radiation) to calculate an accumulated daily photoperiod.

Updated by Travis Bates

Growing Degree Days

The development of plants depends on the accumulation of heat. Accumulated growing degree days (GDDs) can be used to predict when a crop will reach a particular growth stage.

Updated by Travis Bates

Plant Available Water

Setting the field capacity (FC) value defines the maximum amount of water soil can hold against gravity drainage. Setting the permanent wilting point (PWP) value defines the water content at which plants can no longer extract water from the soil.

Updated by Travis Bates

Daily Light Integral

The daily light integral model uses measured PAR (Photosynthetically Active Radiation) to calculate an accumulated daily light integral.

Updated by Travis Bates

Create a Model

ZENTRA Cloud supports a limited number of common environmental models. See the full list.

Updated by Travis Bates

Ground Water Depth

Calculate depth to groundwater from HYDROS 21 & CTD sensor water level measurements.

Updated by Travis Bates

Ground Water Elevation

Calculate groundwater elevation from HYDROS 21 & CTD water level measurements.

Updated by Travis Bates