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Full-Text Articles in Physical Sciences and Mathematics
Soil Aggregates As A Source Of Dissolved Organic Carbon To Streams: An Experimental Study On The Effect Of Solution Chemistry On Water Extractable Carbon, Malayika M. Cincotta, Julia N. Perdrial, Aaron Shavitz, Arianna Libenson, Maxwell Landsman-Gerjoi, Nicolas Perdrial, Jesse Armfield, Thomas Adler, James B. Shanley
Soil Aggregates As A Source Of Dissolved Organic Carbon To Streams: An Experimental Study On The Effect Of Solution Chemistry On Water Extractable Carbon, Malayika M. Cincotta, Julia N. Perdrial, Aaron Shavitz, Arianna Libenson, Maxwell Landsman-Gerjoi, Nicolas Perdrial, Jesse Armfield, Thomas Adler, James B. Shanley
College of Arts and Sciences Faculty Publications
Over the past two decades, headwater streams of the northern hemisphere have shown increased amounts of dissolved organic carbon (DOC), coinciding with decreased acid deposition. The exact nature of the mechanistic link between precipitation composition and stream water DOC is still widely debated in the literature. We hypothesize that soil aggregates are the main source of stream water DOC and that DOC release is greater in organic rich, riparian soils vs. hillslope soils. To test these hypotheses, we collected soils from two main landscape positions (hillslope and riparian zones) from the acid-impacted Sleepers River Research Watershed in northeastern Vermont. We …