Recent primary production increases in arctic lakes

Details Recent primary production increases in arctic lakes Recent primary production increases in arctic lakes

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3219715m&link_type=abstract

Geophysical Research Letters, Volume 32, Issue 19, CiteID L19715

Mathematics

Logic

8

Global Change: Abrupt/Rapid Climate Change (4901, 8408), Global Change: Biogeochemical Cycles, Processes, And Modeling (0412, 0414, 0793, 4805, 4912), Global Change: Impacts Of Global Change (1225), Global Change: Instruments And Techniques, Biogeosciences: Limnology (1845, 4239, 4942)

Scientific paper

A new application of reflectance spectroscopy enables inferences of lake sediment chlorophyll a concentrations and hence of historical trends in lacustrine primary production. In a survey of six arctic lakes on Baffin Island (Nunavut, Canada), pronounced increases of spectrally-inferred chlorophyll a concentrations are consistently expressed in sediments deposited during the 20th century. Climate warming appears to be increasing both aquatic chlorophyll a production and its sequestration to sediments, as these lakes enter new biological regimes that are largely unique in the context of the late Holocene.

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