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Evaluating Ultraviolet Radiation Exposure with Satellite Data at Sites of Amphibian Declines in Central and South America by Elizabeth M. Middleton; Jay R. Herman; Edward A. Celarier; John W. Wilkinson; Cynthia Carey; Robert J. Rusin is a Environmental Science article available to read on EtoBox.

What is Evaluating Ultraviolet Radiation Exposure with Satellite Data at Sites of Amphibian Declines in Central and South America about?

Abstract: Many amphibian species have experienced substantial population declines or have disappeared altogether during the last several decades at a number of amphibian survey sites in Central and South America. Our study addresses the use of trends in solar UV‐B radiation exposure (280–320 nm) at these sites over the last two decades, derived from the Total Ozone Mapping Spectrometer satellite data. It is intended to demonstrate a role for satellite observations in determining whether UV‐B radiation is a contributing factor in amphibian declines. We used these data to calculate the daily erythemal (sunburning) UV‐B, or UV‐B~ery~ , exposure at the latitude, longitude, and elevation of each of 20 survey sites. The annually averaged UV‐B~ery~ dose, as well as the maximum values, have been increasing in both Central and South America, with higher levels reached at the Central American sites. The annually averaged UV‐B~ery~ exposure increased significantly from 1979–1998 at all 11 Central American sites we examined (__r__ ^2^ = 0.60–0.79; __p__≤ 0.015), with smaller but significant increases at five of the nine South American sites (__r__ ^2^ = 0.24–0.42; __p__≤ 0.05). The number of d

Who reads Evaluating Ultraviolet Radiation Exposure with Satellite Data at Sites of Amphibian Declines in Central and South America?

Author

Elizabeth M. Middleton; Jay R. Herman; Edward A. Celarier; John W. Wilkinson; Cynthia Carey; Robert J. Rusin

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0888-8892)

Published

2001

Language

EN

Field

Environmental Science (Physical Sciences)