Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques
The evaporation losses are very high in warm-arid regions and their accurate evaluation is vital for the sustainable management of water resources. The assessment of such losses involves extremely difficult and original tasks because of the scarcity of data in countries with an arid climate. The mai...
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| Format: | Article |
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MDPI AG
2021-03-01
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| Series: | Water |
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| Online Access: | https://www.mdpi.com/2073-4441/13/6/793 |
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| author | Abdul Razzaq Ghumman Mohammed Jamaan Afaq Ahmad Md. Shafiquzzaman Husnain Haider Ibrahim Saleh Al Salamah Yousry Mahmoud Ghazaw |
| author_facet | Abdul Razzaq Ghumman Mohammed Jamaan Afaq Ahmad Md. Shafiquzzaman Husnain Haider Ibrahim Saleh Al Salamah Yousry Mahmoud Ghazaw |
| author_sort | Abdul Razzaq Ghumman |
| collection | DOAJ |
| description | The evaporation losses are very high in warm-arid regions and their accurate evaluation is vital for the sustainable management of water resources. The assessment of such losses involves extremely difficult and original tasks because of the scarcity of data in countries with an arid climate. The main objective of this paper is to develop models for the simulation of pan-evaporation with the help of Penman and Hamon’s equations, Artificial Neural Networks (ANNs), and the Artificial Neuro Fuzzy Inference System (ANFIS). The results from five types of ANN models with different training functions were compared to find the best possible training function. The impact of using various input variables was investigated as an original contribution of this research. The average temperature and mean wind speed were found to be the most influential parameters. The estimation of parameters for Penman and Hamon’s equations was quite a daunting task. These parameters were estimated using a state of the art optimization algorithm, namely General Reduced Gradient Technique. The results of the Penman and Hamon’s equations, ANN, and ANFIS were compared. Thirty-eight years (from 1980 to 2018) of manually recorded pan-evaporation data regarding mean daily values of a month, including the relative humidity, wind speed, sunshine duration, and temperature, were collected from three gauging stations situated in Al Qassim, Saudi Arabia. The Nash and Sutcliffe Efficiency (NSE) and Mean Square Error (MSE) evaluated the performance of pan-evaporation modeling techniques. The study shows that the ANFIS simulation results were better than those of ANN and Penman and Hamon’s equations. The findings of the present research will help managers, engineers, and decision makers to sustainability manage natural water resources in warm-arid regions. |
| first_indexed | 2024-03-10T13:15:16Z |
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| institution | Directory Open Access Journal |
| issn | 2073-4441 |
| language | English |
| last_indexed | 2024-03-10T13:15:16Z |
| publishDate | 2021-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Water |
| spelling | doaj.art-3e67097881b942ae9bbab3f7b281c0912023-11-21T10:27:29ZengMDPI AGWater2073-44412021-03-0113679310.3390/w13060793Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence TechniquesAbdul Razzaq Ghumman0Mohammed Jamaan1Afaq Ahmad2Md. Shafiquzzaman3Husnain Haider4Ibrahim Saleh Al Salamah5Yousry Mahmoud Ghazaw6Department of Civil Engineering, College of Engineering, Qassim University, Buraydah 51431, Saudi ArabiaGraduate Student, Department of Civil Engineering, College of Engineering, Qassim University, Buraydah 51431, Saudi ArabiaDepartment of Civil Engineering, University of Engineering and Technology, Taxila 47080, PakistanDepartment of Civil Engineering, College of Engineering, Qassim University, Buraydah 51431, Saudi ArabiaDepartment of Civil Engineering, College of Engineering, Qassim University, Buraydah 51431, Saudi ArabiaDepartment of Civil Engineering, College of Engineering, Qassim University, Buraydah 51431, Saudi ArabiaCivil Engineering Department, Faculty of Engineering, Alexandria University, Alexandria 21544, EgyptThe evaporation losses are very high in warm-arid regions and their accurate evaluation is vital for the sustainable management of water resources. The assessment of such losses involves extremely difficult and original tasks because of the scarcity of data in countries with an arid climate. The main objective of this paper is to develop models for the simulation of pan-evaporation with the help of Penman and Hamon’s equations, Artificial Neural Networks (ANNs), and the Artificial Neuro Fuzzy Inference System (ANFIS). The results from five types of ANN models with different training functions were compared to find the best possible training function. The impact of using various input variables was investigated as an original contribution of this research. The average temperature and mean wind speed were found to be the most influential parameters. The estimation of parameters for Penman and Hamon’s equations was quite a daunting task. These parameters were estimated using a state of the art optimization algorithm, namely General Reduced Gradient Technique. The results of the Penman and Hamon’s equations, ANN, and ANFIS were compared. Thirty-eight years (from 1980 to 2018) of manually recorded pan-evaporation data regarding mean daily values of a month, including the relative humidity, wind speed, sunshine duration, and temperature, were collected from three gauging stations situated in Al Qassim, Saudi Arabia. The Nash and Sutcliffe Efficiency (NSE) and Mean Square Error (MSE) evaluated the performance of pan-evaporation modeling techniques. The study shows that the ANFIS simulation results were better than those of ANN and Penman and Hamon’s equations. The findings of the present research will help managers, engineers, and decision makers to sustainability manage natural water resources in warm-arid regions.https://www.mdpi.com/2073-4441/13/6/793reduced gradientwarm-aridpan-evaporationNeural NetworksNeuro Fuzzyrelative humidity |
| spellingShingle | Abdul Razzaq Ghumman Mohammed Jamaan Afaq Ahmad Md. Shafiquzzaman Husnain Haider Ibrahim Saleh Al Salamah Yousry Mahmoud Ghazaw Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques Water reduced gradient warm-arid pan-evaporation Neural Networks Neuro Fuzzy relative humidity |
| title | Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques |
| title_full | Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques |
| title_fullStr | Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques |
| title_full_unstemmed | Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques |
| title_short | Simulation of Pan-Evaporation Using Penman and Hamon Equations and Artificial Intelligence Techniques |
| title_sort | simulation of pan evaporation using penman and hamon equations and artificial intelligence techniques |
| topic | reduced gradient warm-arid pan-evaporation Neural Networks Neuro Fuzzy relative humidity |
| url | https://www.mdpi.com/2073-4441/13/6/793 |
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