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Effect of Time of Temperature Observation and Estimation of Daily Solar Radiation for the Northern Great Plains, USA

Rezaul Mahmood*,a and Kenneth G. Hubbardb

a Dep. of Geogr. and Geol. and Kentucky Climate Cent., Western Kentucky Univ., Bowling Green, KY 42101
b High Plains Regional Climate Cent., 242 L W. Chase Hall, School of Nat. Resour. Sci., Univ. of Nebraska, Lincoln, NE 68583-0728



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Fig. 1. Location of meteorological stations.

 


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Fig. 2. Scatterplot for measured and estimated solar radiation: (a) uncorrected for systematic error and (b) after correction.

 


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Fig. 3. Application of the Williston, ND, model and resultant scatterplot of measured and estimated solar radiation for (a) Langdon, ND, and (b) Parsons, KS.

 


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Fig. 4. Application of the Ord, NE, model and resultant scatterplot of measured and estimated solar radiation for (a) Langdon, ND, and (b) Parsons, NE.

 


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Fig. 5. Application of the Akron, CO, model (Eq. [7] and [8]) and resultant scatterplot of measured and estimated solar radiation for (a) Ord, NE, and (b) Nisland, SD. Body Text

 


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Fig. 6. Application of the Akron, CO, model and resultant scatterplot of measured and estimated solar radiation for Parsons, KS: (a) high sun and (b) low sun.

 


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Fig. 7. Application of the Akron, CO, model and resultant scatterplot of measured and estimated solar radiation for Williston, ND: (a) summer and (b) winter.

 


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Fig. 8. Sensitivity analysis of estimated solar radiation under various maximum and minimum air temperature ranges. ICSKY, corrected clear-sky solar radiation (MJ m-2 d-1).

 


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Fig. 9. Application of the unmodified-recalibrated B-C model to Akron, CO.

 





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