Allen. RG, Pereira. LS, Raes. D and Smith. M, (1998). Crop Evapotranspiration – Guidelines for Computing Crop Water Requirements. FAO Irrigation and Drainage Paper. 56. FAO, Rome.
Babamiri, A., Religious scholar, Y. (2014). Comparison of four methods for estimating the evapotranspiration of the reference plant based on air temperature in the catchment area of Lake Urmia. Irrigation Science and Engineering 2014; 37 (1): 43-54. [In Farsi]
Bahmani, B., Kaviani, A., (2020). Estimation of potential evapotranspiration in different climates of Iran. Iranian Soil and Water Research, Volume 51, Number 6. (In Farsi)
Berti, A., Tardivo, G., Chiaudani, A., Rech, F., and Borin, M. (2014). Assessing reference evapotranspiration by the Hargreaves method in north-eastern Italy. Agricultural Water Management,
140: 20-25.
Blaney, H.F. and W.D. Criddle. )1950). Determining Water Requirements in Irrigated Areas from Climatological and Irrigation Data; Soil Conservation Service Technical Paper 96; Soil Conservation Service, US Department of Agriculture:Washington, DC, USA.
Djaman, K. Tabari, H. Blade, A.B. Diop. L, Futakuchi. K, Irmac. S, (2016). Analyses, calibration and validation of evapotranspiration models to predict grass-reference evapotranspiration in the Senegal river delta. Journal of hydrology: Regional studies, Vol.8, pp 82-94.
Djaman, K.B., Balde, A., Sow, A., Muller, B., Irmak, S.K., N’Diaye, M., Manneh, B.D., Moukoumbi, Y., Futakuchi, K., and Saito, K. (2015). Evaluation of sixteen reference Evapotranspiration methods under sahelian conditions in the Senegal River Valley. J. Hydrol. Region. Stud. 3: 139-159.
Feng, Y. Peng, Y. Cui, N. Gong, D. and Zhang, K. (2017). Modeling reference evapotranspiration using extreme learning machine and generalized regression neural network only with temperature data. Computers and Electronics in Agriculture. 136: 71-78.
Fooladmand, H. R. and A. R. Sepaskhah. (2005). Evaluation and calibration of three evapotranspiration equations in a semi-arid region. Iran-Water Resources Research. 1(2): 123-128. (In Farsi)
Laaboudi, A., Mouhouche, B., & Draoui, B. (2012). Neural network approach to reference evapotranspiration modeling from limited climatic data in arid regions. International journal of biometeorology, 56(5), 831-841.
Wen, X., Si, J., He, Z., Wu, J., Shao, H., & Yu, H. (2015). Support-vector-machine-based models for modeling daily reference evapotranspiration with limited climatic data in extreme arid regions. Water resources management, 29(9), 3195-3209.
Tabari, H., Kisi, O., Ezani, A., & Talaee, P. H. (2012). SVM, ANFIS, regression and climate based models for reference evapotranspiration modeling using limited climatic data in a semi-arid highland environment. Journal of Hydrology, 444, 78-89.
Grismer, M. E., Orang, M., Snyder, R., & Matyac, R. (2002). Pan evaporation to reference evapotranspiration conversion methods. Journal of irrigation and drainage engineering, 128(3), 180-184.
Ghamarnia, H., Rezvani, S.V., and Fathi, P. (2013). Evaluation and calibration of Evapotranspiration models according to calculating periods for a cold semi-arid climate. Water and irrigation management. 25: 2. 25-37. (In Farsi)
Hargreaves, G.L. and Z.A. Samani. (1985). Reference crop evapotranspiration from temperature. Appl. Eng. Agric., 1, 96–99.
Irmak, S., Irmak, A., Allen, R.G., and Jones, J.W. (2003). Solar and net radiation-based equations to estimate reference evapotranspiration in humid climates. J. Irrig. Drain. Engin. 129: 5. 336-347.
Jensen, M.E., Haise, H.R. (1963). Estimating evapotranspiration from solar radiation. Proc. Journal of. Irrig. Drain. Div. Am. Soc. Civ. Eng. 89(4), pp 203-205
Jiang, S., Liang, C., Cui, N., Zhao, L., Du, T., Hu, X., & Feng, Y. (2019). Impacts of climatic variables on reference evapotranspiration during growing season in Southwest China. Agricultural Water Management, 216, 365-378.
KeykhaMoghaddam, p. (2018). Evaluation of reference plant evapotranspiration models for hot and dry climates (Case study: Zahedan Synoptic Station)', Journal of Soil and Water Conservation Research 25 (1) . [In Farsi]
Liu, X., Xu, C., Zhong, X., Li, Y., Yuan, X., and Cao, J. (2017). Comparison of 16 models for reference crop Evapotranspiration against weighing Lysimeter measurement. J. Agric. Water Manage. 184: 145-155.
Mahringer, W. (1970). Verdunstungsstudien am neusiedler See. Archiv für Meteorologie, Geophysik und Bioklimatologie, Serie B, 18: 1. 1-20.
Makkink, G.F. (1957). Testing the Penman formula by means of lysimeters. J. Instit. Water Eng., 11, 277–288.
Morshedi, A. (2015). Evaluation of evapotranspiration with several mathematical models and national water document compared to lysimeter data in Shahrekord high plain. Water Research in Agriculture, B / Volume 29 / Number 2. (In Farsi)
Meyer, A. 1926. U¨ ber einige Zusammenha¨nge zwischen Klima und Boden in Europa. Chem. Erde 2:209-347.
Nazari, R. Kaviani, A. (2015). Evaluation of potential evapotranspiration and evapotranspiration methods with alisimeter values in a climate Semi-dry( Case Study: Qazvin Plain ).J. Ecohydrology. Vol. 3. Pp:19-30. [In Farsi]
Oudin,L.,Hervieu, F.Michel,C., Perrin, C., Andreassian, V., Anctil, F., Loumagne, C., (2005). Which potential evapotranspiration input for a lumped rainfall-runoff model? Part 2-Towards a simple and efficient potential evapotranspiration model for rainfall-runoff modelling. J.Hydrol.303,290–306,http://dx.doi.org/10.1016/j.jhydrol.2004.08.026
Priestley, C.H.B. and R.J. Taylor. (1972). On the assessment of surface heat flux and evaporation using large-scale parameters. Mon. Weather Rev. 100 (2), 81–92.
Pour, S. H., Abd Wahab, A. K., Shahid, S., & Ismail, Z. B. (2020). Changes in reference evapotranspiration and its driving factors in peninsular Malaysia. Atmospheric Research, 105096.
Raouf, M., Azizi Mobaser, J. (2018). Evaluation of Eighteen Reference Evapotranspiration Models in Ardabil Plain Climatic Conditions', Journal of Soil and Water Conservation Research 24 (6) . [In Farsi]
Sabziparvar, A., Tafazoli, F., Zare Abyaneh, H., Mosavi Byegi, M., Ghafouri, M., Mohseni Movahed, A.A., and Maryanji, Z. (2008). Comparison of some crop reference evapotranspiration models in a cold semiarid climate to optimize the use of radiation models. J. Water Soil. 22: 2. 328-340. (In Farsi)
Schendel, U. (1967). Vegetations Wasserverbrauch und Wasserbedarf. Habilitation, Kiel, 137p.
Turc, L. (1961). Estimation of irrigation water requirements, potential evapotranspiration: A simple climatic formula evolved up to date. Ann. Agron., 12, 13–49.
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