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Title: Power Spectral Analysis of Total & Net Radiation Intensities
Authors: Reddy, S Jeevananda
Juneja, O A
Lahori, S N
Issue Date: Mar-1977
Publisher: NISCAIR-CSIR, India
Abstract: The total (Rt) and net (RN) radiation intensities estimated from "simple" empirical formulae have been subjected to power spectrum analysis and the results are discussed. The data used in the present analysis are the monthly mean data for about 44 to 67 years at 20 stations. The formulae suggested for the estimation of total solar radiation (Rt) and net radiation (RN) intensities are, respectively, of the forms: Rt a and RN = b l Tw, where es and Tw are saturation vapour pressure in mbar and wet-bulb temperature in ᵒC (at screen level), respectively, l is the latitude and height correction factor, and a and b are numerical constants (Rt and RN are expressed in cal/cm2/day). The results obtained from these equations are found to agree with the observed values. It is inferred that the intensity of the sun does not show any significant change.
Page(s): 60-66
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.06(1) [March 1977]

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