Long-Term Trend of Nitrogen and Phosphorus Transport in 12 Tropical Coastal Watersheds in Northeast Brazil
Carlos Noriega,
Moacyr Araujo,
Humberto L. Varona
et al.
Abstract:Multiple environmental problems are caused by the accumulation of nitrogen (N) and phosphorus (P) in river water on its way to the ocean. The objective of this work was to determine the N and P loads in 12 hydrographic basins that flow into estuaries along the northeastern coast of Brazil using established methods. Additionally, natural and anthropogenic loads trends in the hydrographic basins of 12 tropical rivers in northeastern Brazil over 27 years (1990-2016) were evaluated. The results indicated an annual… Show more
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