reference : Eutrophication will increase during the 21st century as a result of precipitation changes

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Bibliographic fields
reftype Journal Article
Abstract Nitrogen input from river runoff is a major cause of eutrophication in estuaries and coastal waters. This is a serious problem that is widely expected to intensify as climate change strengthens the hydrological cycle. To address the current lack of adequate analysis, Sinha et al. present estimates of riverine nitrogen loading for the continental United States, based on projections of precipitation derived from climate models (see the Perspective by Seitzinger and Phillips). Anticipated changes in precipitation patterns are forecast to cause large and robust increases in nitrogen fluxes by the end of the century.Science, this issue p. 405; see also p. 350Eutrophication, or excessive nutrient enrichment, threatens water resources across the globe. We show that climate change–induced precipitation changes alone will substantially increase (19 ± 14%) riverine total nitrogen loading within the continental United States by the end of the century for the “business-as-usual” scenario. The impacts, driven by projected increases in both total and extreme precipitation, will be especially strong for the Northeast and the corn belt of the United States. Offsetting this increase would require a 33 ± 24% reduction in nitrogen inputs, representing a massive management challenge. Globally, changes in precipitation are especially likely to also exacerbate eutrophication in India, China, and Southeast Asia. It is therefore imperative that water quality management strategies account for the impact of projected future changes in precipitation on nitrogen loading.%U ;
Author Sinha, E.; Michalak, A. M.; Balaji, V.
DOI 10.1126/science.aan2409
Issue 6349
Journal Science
Pages 405-408
Title Eutrophication will increase during the 21st century as a result of precipitation changes
Volume 357
Year 2017
Bibliographic identifiers
_record_number 21530
_uuid c3662163-50aa-4c98-903f-eb8b9b477f51