Comparison of spectral ultraviolet irradiance measured from satellite and ground-based instrument at Nakhon Pathom province.

11 November 2017

Abstract

In this study, comparisons of spectral ultraviolet irradiance at 305, 310, 324 and 380 nm at the overpass time retrieved from OMI/AURA satellite with that from ground-based measurements were performed at Nakhon Pathom (13.82ºN,100.04ºE), Thailand. The analyzed data period comprised from 1 January 2010 to 31 December 2015.

The comparison results clearly showed the overestimation of satellite data with root mean square difference (RMSD) between 22.9 and 48.9%, and mean bias difference (MBD) between 5.3 and 39.8% for all sky conditions, and reduced to 10.6-40.5% and 0.18-34.9% for clear sky conditions. Further results showed that the differences between the two datasets depend on atmospheric aerosol loads and clouds.

Citation

Sriwongsa, J. and Buntoung, S., 2017, September. Comparison of spectral ultraviolet irradiance measured from satellite and ground-based instrument at Nakhon Pathom province. In Journal of Physics: Conference Series (Vol. 901, No. 1, p. 012039). IOP Publishing.

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Categories: Solar & Photovoltaics, Public Health & PPE

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