Comparative analysis of UVB exposure between Nimbus 7/TOMS satellite estimates and ground-based measurements

Zhiqiang Gao; Wei Gao

doi:10.1117/12.858452

12 August 2010 Comparative analysis of UVB exposure between Nimbus 7/TOMS satellite estimates and ground-based measurements

Zhiqiang Gao, Wei Gao

Author Affiliations +

Proceedings Volume 7809, Remote Sensing and Modeling of Ecosystems for Sustainability VII; 78090Q (2010) https://doi.org/10.1117/12.858452
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

This study describes the patterns of variation in ultraviolet (UV) exposure across time and space using two continental scale data sets on UV radiation and conducts a comparative analysis of two sources of noontime UV-B exposure data across the continental US. One dataset was collected from 37 ground-based stations equipped with broadband UV-B-1 Pyranometers across North America whereas the other dataset was of synchronous satellite data collected from the Nimbus-7/TOMS sensor. Comparisons of these datasets confirmed agreement between the ground-based measurements and the TOMS satellite estimates with correlation coefficients of 0.87 and 0.95 for daily and monthly UV Index time series (i.e., a common metric of UV radiation exposure), respectively.

Citation Download Citation

Zhiqiang Gao and Wei Gao "Comparative analysis of UVB exposure between Nimbus 7/TOMS satellite estimates and ground-based measurements", Proc. SPIE 7809, Remote Sensing and Modeling of Ecosystems for Sustainability VII, 78090Q (12 August 2010); https://doi.org/10.1117/12.858452

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