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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 3731-3737
DOI: https://doi.org/10.20546/ijcmas.2017.609.460


Statistical Comparison of Reference Evapotranspiration Methods: A Case Study from Srinagar in J&K, India
Shakeel Ahmad Bhat1*, Bashir Pandit1, Mehraj U. Din Dar2, Rehana Jan3, Shafat Khan4 and Khanday Mehraj3
1Division of Agricultural Engineering, Skuast Kashmir, India
2Punjab Agricultural University, Punjab, India
3Division of soil science SKUAST-K, J & K, India
4Indian Institute of Technology, Kharagpur, West Bengal, India
*Corresponding author
Abstract:

Agricultural planning relying on evapotranspiration suffers due to inaccuracy in its estimation. The non-availability of meteorological parameters required for accurate estimation of reference evapotranspiration (ETo) resulted in the development of different methods of ETo estimation. The present study compares various universally accepted methods of ETo estimation by considering the Penman Monteith (FAO 56 PENMEN-MONTEITH) as a standard method. Among All the five models when compared with FAO Pen-Men Method, Makkins Model was found to be the best model with R2 97 percent and Ivanos model as least performance model with R2 86 percent for the present location. It was found that reference evapotranspiration was higher in June –July and least in December-January. Among 15 years, average evapotranspiration was higher in 2007 (2.65 mm/day) and least in 2014 (2.32 mm/day.


Keywords: Evapotranspiration Models, Meteorological parameters, Reference evapotranspiration
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How to cite this article:

Shakeel Ahmad Bhat, Bashir Pandit, Mehraj U. Din Dar, Rehana Jan, Shafat Khan and Khanday Mehraj. 2017. Statistical Comparison of Reference Evapotranspiration Methods: A Case Study from Srinagar in J&K.Int.J.Curr.Microbiol.App.Sci. 6(9): 3731-3737. doi: https://doi.org/10.20546/ijcmas.2017.609.460