A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan
An automatic, weight-based, small 20 cm diameter pan was used for real-time calculations of evaporation and precipitation in a semiarid environment. The water evaporated from the evaporimeter (E<sub>P</sub>) was found to be a significant predictor of evapotranspiration (ET<sub>O<...
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| Language: | English |
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MDPI AG
2025-03-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/15/4/848 |
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| author | Georgios Nikolaou Damianos Neocleous Efstathios Evangelides Evangelini Kitta |
| author_facet | Georgios Nikolaou Damianos Neocleous Efstathios Evangelides Evangelini Kitta |
| author_sort | Georgios Nikolaou |
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| description | An automatic, weight-based, small 20 cm diameter pan was used for real-time calculations of evaporation and precipitation in a semiarid environment. The water evaporated from the evaporimeter (E<sub>P</sub>) was found to be a significant predictor of evapotranspiration (ET<sub>O</sub>; r<sup>2</sup> = 0.84), which was calculated with the Penman–Monteith (P-M) equation by retrieving climatic data from a weather station. The results revealed seasonal variations of the pan coefficient (K<sub>P</sub>; dimensionless), with a mean value estimated at 0.84 (±0.16). Validation of ET<sub>O</sub> measurements using a calibrated regression model (ET<sub>O</sub> = 0.831*E<sub>P</sub> + 0.025), against the P-M equation indicated a high correlation coefficient (r<sup>2</sup> = 0.99, slope of the regression line of 0.9). The present paper evaluates and discusses the potential of using a reduced-size pan for real-time monitoring of water evaporation and precipitation, proposing an open-source irrigation decision support system. |
| format | Article |
| id | doaj-art-8dfcf55935b4493c927a3c5c8f47a306 |
| institution | OA Journals |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
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| series | Agronomy |
| spelling | doaj-art-8dfcf55935b4493c927a3c5c8f47a3062025-08-20T02:17:13ZengMDPI AGAgronomy2073-43952025-03-0115484810.3390/agronomy15040848A Decision Support System for Irrigation Scheduling Using a Reduced-Size PanGeorgios Nikolaou0Damianos Neocleous1Efstathios Evangelides2Evangelini Kitta3Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Str., 38446 Volos, GreeceDepartment of Natural Resources and Environment, Agricultural Research Institute, Ministry of Agriculture, Nicosia 1516, CyprusDepartment of Agriculture, Ministry of Agriculture, P.O. Box 24402, Nicosia 1705, CyprusDepartment of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Fytokou Str., 38446 Volos, GreeceAn automatic, weight-based, small 20 cm diameter pan was used for real-time calculations of evaporation and precipitation in a semiarid environment. The water evaporated from the evaporimeter (E<sub>P</sub>) was found to be a significant predictor of evapotranspiration (ET<sub>O</sub>; r<sup>2</sup> = 0.84), which was calculated with the Penman–Monteith (P-M) equation by retrieving climatic data from a weather station. The results revealed seasonal variations of the pan coefficient (K<sub>P</sub>; dimensionless), with a mean value estimated at 0.84 (±0.16). Validation of ET<sub>O</sub> measurements using a calibrated regression model (ET<sub>O</sub> = 0.831*E<sub>P</sub> + 0.025), against the P-M equation indicated a high correlation coefficient (r<sup>2</sup> = 0.99, slope of the regression line of 0.9). The present paper evaluates and discusses the potential of using a reduced-size pan for real-time monitoring of water evaporation and precipitation, proposing an open-source irrigation decision support system.https://www.mdpi.com/2073-4395/15/4/848pan coefficientsemiarid precision agriculturewater conservation |
| spellingShingle | Georgios Nikolaou Damianos Neocleous Efstathios Evangelides Evangelini Kitta A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan Agronomy pan coefficient semiarid precision agriculture water conservation |
| title | A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan |
| title_full | A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan |
| title_fullStr | A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan |
| title_full_unstemmed | A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan |
| title_short | A Decision Support System for Irrigation Scheduling Using a Reduced-Size Pan |
| title_sort | decision support system for irrigation scheduling using a reduced size pan |
| topic | pan coefficient semiarid precision agriculture water conservation |
| url | https://www.mdpi.com/2073-4395/15/4/848 |
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