Data-driven approaches demonstrate legacy N accumulation in Upper Mississippi River Basin groundwater
Increases in nitrogen (N) fertilizer application, livestock densities, and human population over the last century have led to substantial increases in nitrate contamination. While increases in riverine N loads are well-documented, the total magnitude of N accumulation in groundwater remains unknown....
Main Authors: | Kimberly J Van Meter, Victor O Schultz, Shuyu Y Chang |
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Format: | Article |
Language: | English |
Published: |
IOP Publishing
2023-01-01
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Series: | Environmental Research Letters |
Subjects: | |
Online Access: | https://doi.org/10.1088/1748-9326/acea34 |
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