Science Source
Lee, Minjin, Shevliakova, Elena, Malyshev, Sergey, Milly, P. C. D., Jaffé, Peter R.
Geophysical Research Letters
Published date July 16, 2016
Geophysical Research Letters
Published date July 16, 2016
Climate variability and extremes, interacting with nitrogen storage, amplify eutrophication risk
- Demonstrates the critical influence of climate variability, interacting with accumulated nitrogen (N) over multidecades, on Susquehanna River dissolved nitrogen (DN) loads, known precursors of the hypoxia in the Bay
- Illustrates that after 1 to 3 yearlong dry spells, the likelihood of exceeding a threshold DN load (56 kt yr−1) increases by 40 to 65% due to flushing of N accumulated throughout the dry spells and altered microbial processes
- Results suggest that possible future increases in climate variability/extremes—specifically, high precipitation occurring after multiyear dry spells—could likely lead to high DN-load anomalies and hypoxia
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