NET SOLAR RADIATION EVALUATION FROM REMOTELY SENSED MULTISPECTRAL DATA OVER WHEAT CROP

Anil Kumar; P.L. Gupta; Ram Niwas

Agricultural Science Digest

Chief EditorArvind kumar
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Agricultural Science Digest, volume 21 issue 4 (december 2001) : 223 - 225

NET SOLAR RADIATION EVALUATION FROM REMOTELY SENSED MULTISPECTRAL DATA OVER WHEAT CROP

Anil Kumar, P.L. Gupta, Ram Niwas

Affiliations

¹Department of Agricultural Meteorology, CCS Haryapa Agricultural University, Hisar-125 004 (Haryana), India

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Cite article:- Kumar Anil, Gupta P.L., Niwas Ram (2025). NET SOLAR RADIATION EVALUATION FROM REMOTELY SENSED MULTISPECTRAL DATA OVER WHEAT CROP. Agricultural Science Digest. 21(4): 223 - 225. doi: .

ABSTRACT

A study was conducted during rabi season 1997–98. The incoming, reflected and net solar radiations were measured at various phenological stages in wheat crop (R SN). The net solar radiations over wheat crop ranged between 531–811 w/m 2, while remotely sensed net solar radiations (R SN) varied from 831 to 1281 w/m 2/sr. A regression equation was developed between solar radiation measured and estimated by remote sensing which is" of the form:

R SN = 135.15 + 0.505 R' SN, R 2 = 0.86

This regression equation can be used to convert remotely sensed solar radiation into actual net solar radiation.

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REFERENCES

Debruin, H.A.R and Holstay, A.A.M. (1982). J. Appl. Meteorol. 21: 1610-21.
Jackson, RD. (1984). Agric. Forest Meteorol. 33: 163-75.
Kanemasu, E.T. et ai. (1977). Environmental Management. Springer-Verlag, New York, NY.
Monteith, J.L. (1981). Quart. J. Roy. Meteorol. Soc. 107: 1-27.
Penman, H.L. (1948). Natural evaporation from open water, bare son and grass. Proc. R. .soc. London Ser. A. 193: 120-145.
Priestly, C.H.B. and Tayilor, RJ. (1972). Man. Weather Rev. 106: 81-92.

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[
debruin_1982] Debruin, H.A.R and Holstay, A.A.M. (1982). J. Appl. Meteorol. 21: 1610-21.

[2] Jackson, RD. (1984). Agric. Forest Meteorol. 33: 163-75.

[3] Kanemasu, E.T. et ai. (1977). Environmental Management. Springer-Verlag, New York, NY.

[4] Monteith, J.L. (1981). Quart. J. Roy. Meteorol. Soc. 107: 1-27.

[5] Penman, H.L. (1948). Natural evaporation from open water, bare son and grass. Proc. R. .soc. London Ser. A. 193: 120-145.

[6] Priestly, C.H.B. and Tayilor, RJ. (1972). Man. Weather Rev. 106: 81-92.

NET SOLAR RADIATION EVALUATION FROM REMOTELY SENSED MULTISPECTRAL DATA OVER WHEAT CROP

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