PMID: 11317896Apr 25, 2001Paper

Long-term changes in watershed nutrient inputs and riverine exports in the Neuse River, North Carolina

Water Research
Craig A StowD W Stanley

Abstract

We compared patterns of historical watershed nutrient inputs with in-river nutrient loads for the Neuse River, NC. Basin-wide sources of both nitrogen and phosphorus have increased substantially during the past century, marked by a sharp increase in the last 10 years resulting from an intensification of animal production. However, this recent increase is not reflected in changes in river loading over the last 20 years. Temporal patterns in river loads more closely parallel short-term changes in point sources and cropland nutrient application despite their overall lower magnitude. Total phosphorus loads have declined at all stations considered, corresponding to a 1988 phosphate detergent ban. Nitrogen load temporal patterns vary by location and the nitrogen fraction considered. The furthest upstream station exhibited nitrogen decreases after the completion of a dam in 1983. At a station just downstream of a rapidly growing urban area, the total nitrogen load has increased since the mid-1980s, primarily as a nitrate concentration increase. This is consistent with concurrent increases in chemical fertilizer use and point source discharges, as well as increased nitrification at treatment plants. This increase in nitrate loading is ...Continue Reading

References

Jan 1, 1998·Environmental Science & Technology·J Pelley

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Citations

Mar 21, 2009·Archives of Environmental Contamination and Toxicology·L GiridharanM Jayaprakash
Nov 8, 2006·Environmental Monitoring and Assessment·Peter ZeilhoferGilson Alberto Rosa Lima
Feb 28, 2006·Environmental Monitoring and Assessment·Feza Karaer, Aslihan Küçükballi
Oct 2, 2009·Environmental Science and Pollution Research International·Dingjiang ChenMark O Kimberley
Feb 14, 2014·Journal of Environmental Sciences (China)·Ciaran LewisGerard Kiely
Aug 5, 2008·Journal of Hazardous Materials·Siyue LiQuanfa Zhang
Aug 31, 2013·Environmental Management·Jay R ChristensenAnne Neale
Oct 12, 2004·Journal of Environmental Management·V Krishna PrasadH Tsuruta
Apr 1, 2008·Environmental Pollution·M Alvarez-CobelasS Sánchez-Carrillo
May 4, 2012·Marine Pollution Bulletin·Ross DarnellPetra Kuhnert
May 21, 2009·FEMS Microbiology Ecology·Zakaria A Mohamed, Abdulrahman M Al Shehri
Jul 13, 2016·Environmental Science & Technology·Christopher L OsburnHans Paerl
Oct 21, 2016·Environmental Science and Pollution Research International·A Sobrino-Figueroa
Jul 11, 2006·Journal of Environmental Quality·Scott H EnsignMichael F Piehler
Aug 12, 2018·International Journal of Environmental Research and Public Health·Yongchao LiuChao Sun
Mar 31, 2021·Environmental Science and Pollution Research International·Tiantian YangXiaofeng Zhang
Oct 31, 2017·Environmental Science & Technology·Alexandria G HounshellHans W Paerl
May 17, 2017·Environmental Science & Technology·Ruchi Bhattacharya, Christopher L Osburn

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