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....

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Bibliographic Details
Main Authors: Kimberly J Van Meter, Victor O Schultz, Shuyu Y Chang
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:Environmental Research Letters
Subjects:
Online Access:https://doi.org/10.1088/1748-9326/acea34