Journal article
E. Sinha, E. Sinha, E. Sinha, A. Michalak, A. Michalak, K. Calvin, P. Lawrence
Nature Communications, 2019
Nature Communications, 2019
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APA
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Sinha, E., Sinha, E., Sinha, E., Michalak, A., Michalak, A., Calvin, K., & Lawrence, P. (2019). Societal decisions about climate mitigation will have dramatic impacts on eutrophication in the 21st century. Nature Communications.
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Sinha, E., E. Sinha, E. Sinha, A. Michalak, A. Michalak, K. Calvin, and P. Lawrence. “Societal Decisions about Climate Mitigation Will Have Dramatic Impacts on Eutrophication in the 21st Century.” Nature Communications (2019).
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Sinha, E., et al. “Societal Decisions about Climate Mitigation Will Have Dramatic Impacts on Eutrophication in the 21st Century.” Nature Communications, 2019.
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@article{e2019a,
title = {Societal decisions about climate mitigation will have dramatic impacts on eutrophication in the 21st century},
year = {2019},
journal = {Nature Communications},
author = {Sinha, E. and Sinha, E. and Sinha, E. and Michalak, A. and Michalak, A. and Calvin, K. and Lawrence, P.}
}
Abstract
Excessive nitrogen runoff leads to degraded water quality, harming human and ecosystem health. We examine the impact of changes in land use and land management for six combinations of socioeconomic pathways and climate outcomes, and find that societal choices will substantially impact riverine total nitrogen loading (+54% to −7%) for the continental United States by the end of the century. Regional impacts will be even larger. Increased loading is possible for both high emission and low emission pathways, due to increased food and biofuel demand, respectively. Some pathways, however, suggest that limiting climate change and eutrophication can be achieved concurrently. Precipitation changes will further exacerbate loading, resulting in a net increase of 1 to 68%. Globally, increases in cropland area and agricultural intensification will likely impact vast portions of Asia. Societal and climate trends must therefore both be considered in designing strategies for managing inland and coastal water quality. Impacts of future changes to land use and land management on eutrophication are not well understood. Here, the authors examine these impacts over the 21st century and find that societal choices will have a huge impact on riverine total nitrogen loading for the continental United States and beyond.