HALOWERKNaturwerk
irrigation need
Computes reference evapotranspiration by the FAO-56 Penman-Monteith method from hourly forecast data, applies a crop coefficient, subtracts effective rainfall and returns the resulting daily water deficit and its running total. The method is named because it matters: a simple temperature-based estimate and Penman-Monteith diverge substantially in windy or dry conditions, and a number without its method cannot be compared with anything. Radiation is taken from the forecast where available and.
POST https://natur.halowerk.com/v1/irrigation-needEingaben
| Feld | Typ | Pflicht | Beschreibung |
|---|---|---|---|
| lat | number | Ja | |
| lon | number | Ja | |
| crop | string | Nein | |
| altitude_m | number | Nein | Site altitude; affects atmospheric pressure in the calculation. |
| effective_rain_factor | number | Nein | Share of rainfall that reaches the root zone rather than running off. An assumption, stated. |
Vollständiges Eingabeschema anzeigen
{
"type": "object",
"required": [
"lat",
"lon"
],
"additionalProperties": false,
"properties": {
"lat": {
"type": "number",
"minimum": -90,
"maximum": 90
},
"lon": {
"type": "number",
"minimum": -180,
"maximum": 180
},
"crop": {
"type": "string",
"enum": [
"reference_grass",
"maize",
"wheat",
"potato",
"tomato",
"vine",
"lawn",
"orchard"
],
"default": "reference_grass"
},
"altitude_m": {
"type": "number",
"minimum": -400,
"maximum": 5000,
"default": 100,
"description": "Site altitude; affects atmospheric pressure in the calculation."
},
"effective_rain_factor": {
"type": "number",
"minimum": 0.3,
"maximum": 1,
"default": 0.8,
"description": "Share of rainfall that reaches the root zone rather than running off. An assumption, stated."
}
}
}Veröffentlichtes Eingabebeispiel
{
"lat": 52.52,
"lon": 13.405,
"crop": "maize",
"altitude_m": 40
}Ergebnis & Dokumentation
Maschinenlesbare Dokumentation dieses Hubs
Quelle dieser Seite: der veröffentlichte HALOWERK-Katalog. Stand: 2026-11-01, 15:19 UTC.
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