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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 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(4): 2108-2119
DOI: https://doi.org/10.20546/ijcmas.2019.804.248


Performance and Evaluation of Various Radiation Based Models for Semi-arid Region
Yadvendra Pal Singh*, H.K. Mittal, Vinay Kumar Gautam and Jalgaonkar Bhagyashri
Departmant of Soil &Water Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur, India
*Corresponding author
Abstract:

This study aimed to Performance of seven radiation models. The objective was to determine the most accurate model for estimating solar radiation. Performance and Evaluation of all the models on the same basis is prerequisite for selecting an alternative approach in accordance with available data such as air temperature (Tmax, Tmin, Tmean), actual sunshine hours (n), Relative Humidity (Rhmax, Rhmin & RHmean) and potential sunshine hours (N). Therefore, recommended Angstrom-Prescott (A-P) model locally calibrated A-P model, Dogniaux-Lemoine (D-L) model, Glower-Meculloch model, Hargreaves-Samani model (1985),Chen et al. (2004), Ertekin and Yaldiz (1999) and Almorox - Hontoria (2004) radiation based model were used to estimate monthly solar radiation (Rs) at Udaipur(Rajasthan), India. Further, the performance of all these methods were evaluated by regression and error analysis between standard Rs derived using FAO recommended Angstrom-Prescott (A-P) model and Rs values estimated using all the six models, on monthly basis. On monthly basis, Glower-Meculloch model performed best with highest coefficient of determination (1.00) and lowest Root mean square error (0.9089) MJ m−2 day−1. Based on overall results it was concluded that the radiation based model provides average monthly accurate estimate of solar radiation compared to other models.


Keywords: Radiation models, Solar radiation
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How to cite this article:

Yadvendra pal Singh, H.K. Mittal, Vinay Kumar Gautam and Jalgaonkar Bhagyashri. 2019. Performance and Evaluation of Various Radiation Based Models for Semi-arid Region.Int.J.Curr.Microbiol.App.Sci. 8(4): 2108-2119. doi: https://doi.org/10.20546/ijcmas.2019.804.248