Accuracy of Reference Evapotranspiration Estimation by Two Irrigation Controllers in a Humid Climate

Autor:	Michael D. Dukes, D. C. Rutland
Rok vydání:	2014
Předmět:	Hydrology Schedule Irrigation Data collection Evapotranspiration Data quality Environmental science Blaney–Criddle equation Penman–Monteith equation Agricultural and Biological Sciences (miscellaneous) Water use Water Science and Technology Civil and Structural Engineering
Zdroj:	Journal of Irrigation and Drainage Engineering. 140
ISSN:	1943-4774 0733-9437
DOI:	10.1061/(asce)ir.1943-4774.0000720
Popis:	Increasing municipal water demand has led to new innovations in water-saving technology. Evapotranspiration-based irrigation controllers, also known as weather-based irrigation controllers, are a technology that use evapotranspiration (ET) estimates to schedule irrigation. Although real-time on-site data collection could help improve data quality, limited data parameters collected or simplified reference evapotranspiration (ETo) estimation methods from an on-site sensor could potentially have an impact on estimated ETo values for stand-alone controllers. Conversely, collection of data from off-site weather stations that are not representative of the local conditions could lead to inaccurate ETo estimations for local irrigation sites. The Weathermatic SL1600 and Toro Intelli-sense controllers were selected for testing because of the different methods of data collection and ETo estimation. This study was conducted in two locations: Wimauma and Gainesville, Florida. In Wimauma the Weathermatic contro...
Databáze:	OpenAIRE
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