Cross-watershed leakage of agricultural nutrient runoff
Bibliographic Data
| ID | 15544789 |
|---|---|
| Authors | Taiwo Adekemi Akinyemi (0000-0002-8572-4002), Levan Elbakidze (0000-0002-7298-5879, West Virginia University, corresponding author), Yuelu Xu (0000-0002-3867-4655, Manaaki Whenua – Landcare Research), Philip W Gassman (0000-0001-9926-6500, Iowa State University), Haw Yen (0000-0002-5509-8792, Auburn University), Jeffrey G Arnold (Grassland, Soil and Water Research Laboratory) |
| Year | 2024 |
| Volume | 19 |
| Issue | 7 |
| Pages | 074047-074047 |
| Publication date | 2024-05-21 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Environmental Research Letters (JOURNAL) |
| Journal identifiers | ISSN: 1748-9326 • E-ISSN: 1748-9326 |
| Publisher | IOP Publishing (PUBLISHER • GB) |
| DOI | 10.1088/1748-9326/ad4e4a |
| OpenAlex | W4398190989 |
| Language | EN |
| References cited | 3 |
Agricultural nutrient runoff has been a major contributor to hypoxia in many downstream coastal ecosystems. Although programs have been designed to reduce nutrient loading in individual coastal waters, cross watershed interdependencies of nutrient runoff have not been quantified due to a lack of suitable modeling tools. Cross-watershed pollution leakage can occur when nutrient runoff moves from more to less regulated regions. We illustrate the use of an integrated assessment model IAM that combines economic and process-based biophysical tools to quantify Nitrogen loading leakage across three major US watersheds. We also assess losses in consumer and producer surplus from decreased commodity supply and higher prices when nutrient delivery to select coastal ecosystems is restricted. Reducing agricultural N loading in the Gulf of Mexico by 45% (a) increases loading in the Chesapeake Bay and Western Lake Erie by 4.2% and 5.5%, respectively, and (b) results in annual surplus losses of $7.1 and $6.95 billion with and without restrictions on leakage to the Chesapeake Bay and Lake Erie, respectively
Agriculture · Economics · Geography · Geotechnical engineering · Hydrology (agriculture · Leakage (economics · Nutrient · Surface runoff · Water resource management · Watershed · Computer Science · Environmental and Agricultural Sciences · Environmental Science · Hydrology and Watershed Management Studies · Soil erosion and sediment transport · Ecology · Geology
| Highly cited | No |
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