High-frequency NO<sub>3</sub><sup>−</sup> isotope (<i>δ</i><sup>15</sup>N, <i>δ</i><sup>18</sup>O) patterns in groundwater recharge reveal that short-term changes in land use and precipitation influence nitrate contamination trends
<p>Poultry manure is the primary cause of nitrate (NO<sub>3</sub><sup>−</sup>) exceedances in the transboundary Abbotsford–Sumas aquifer (ASA; Canada–USA) based on synoptic surveys two decades apart, but questions remained about seasonal and spatial aspects of agricu...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2018-08-01
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| Series: | Hydrology and Earth System Sciences |
| Online Access: | https://www.hydrol-earth-syst-sci.net/22/4267/2018/hess-22-4267-2018.pdf |