Spatial and temporal variability in the amount and source of dissolved organic carbon: implications for UV exposure in amphibian habitats

Abstract/Summary

The amount, chemical composition, and source of dissolved organic carbon (DOC), together with in situ ultraviolet (UV-B) attenuation, were measured at 1–2 week intervals throughout the summers of 1999, 2000, and 2001 at four sites in Rocky Mountain National Park (Colorado). Eight additional sites, four in Sequoia and Kings Canyon National Park/John Muir Wilderness (California)and four in Glacier National Park (Montana), were sampled during the summer of 2000.