Ionic composition and nitrate in drainage water from fields fertilized with different nitrogen sources, Middle Swamp watershed, North Carolina, August 2000-August 2001

Harden, Stephen L.; Spruill, Timothy B.

doi:10.3133/sir20045123

Cited by 9 publications

(16 citation statements)

References 26 publications

(11 reference statements)

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“…1), which drains more than 4,000 mi 2 , to evaluate implications that these processes may have on nitrogen and phosphorus transport in the Neuse River. Some of the data presented herein were obtained from USGS NAWQA studies (Spruill and others, 1998) and from another cooperative project between NCDENR and the USEPA directed at evaluating the effects of artificial drains on surface-water quality (Harden and Spruill, 2004).…”

Section: Introductionmentioning

confidence: 99%

Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River basin, North Carolina, 1999-2002

Spruill¹,

Tesoriero²,

Mew³

et al. 2005

Scientific Investigations Report

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Effects of cultural eutrophication with respect to phosphorus enrichment in coastal plain streams of the Neuse River basin are much greater than for nitrogen. The eutrophication loading index of phosphorus ranged between 2 and 12 times, and values typically were 5 to 6 times the estimated background yield for second-and higher-order streams. The eutrophication loading index of total nitrogen ranged between 1 and 5 times, and values typically were about 2 times the estimated background yield.

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Section: Introductionmentioning

confidence: 99%

Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River basin, North Carolina, 1999-2002

Spruill¹,

Tesoriero²,

Mew³

et al. 2005

Scientific Investigations Report

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“…These factors include, but are not limited to, differences in nutrient inputs by point and nonpoint sources (Glasgow and Burkholder, 2000;Mallin and others, 2005;Burkholder and others, 2006), hydrogeologic and geochemical processes affecting nutrient fate and transport within watersheds (Stow and others, 2001;Spruill and others, 2005;Harden and Spruill, 2008), subsurface tile drainage (Harden and Spruill, 2004), and hydrologic and land-use conditions others, 1999, 2000;Rothenberger and others, 2009). One of the issues for water-resource managers is that although many environmental variables are known to influence nutrient transport in streams, there is a lack of readily available data for all the variables to characterize their relative effects on nutrient yields in watersheds throughout a region such as central and eastern North Carolina.…”

Section: Watershed Settingmentioning

confidence: 99%

Relation of watershed setting and stream nutrient yields at selected sites in central and eastern North Carolina, 1997-2008

Harden¹,

Cuffney²,

Terziotti³

et al. 2013

Scientific Investigations Report

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment, visit http://www.usgs.gov or call 1-888-ASK-USGS.For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprodTo order this and other USGS information products, visit http://store.usgs.gov Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this report.Suggested citation: Harden, S.L., Cuffney, T.F., Terziotti, Silvia, and Kolb, K.R., 2013, Relation of watershed setting and stream nutrient yields at selected sites in central and eastern North Carolina, 1997-2008: U.S. Geological Survey Scientific Investigations Report 2013-5007, 47 p., http://pubs.usgs.gov/sir/2013 iii AcknowledgmentsThe research described in this report was partially funded by the U.S. Environmental Protection Agency's 319 grant program that is administered by the North Carolina Department of Environment and Natural Resources, Division of Water Quality. The authors thank Evan Kane, Michael Tutwiler, and Keith Larick of the North Carolina Department of Environment and Natural Resources, Division of Water Quality, Aquifer Protection Section, in Raleigh for their help and support in this project.Thanks also to Brian Pointer, U.S. Geological Survey, for his assistance in compiling data during the study. Gratitude is extended to Douglas Harned and Timothy Spruill (retired), U.S. Geological Survey, for providing valuable technical discussions throughout the study. Finally, many thanks to all of the reviewers of this report who made many helpful comments and suggestions. Relation of Watershed Setting and Stream Nutrient Yields at Selected Sites in Central and Eastern North Carolina, 1997-2008By Stephen L. Harden, Thomas F. Cuffney, Silvia Terziotti, and Katharine R. Kolb AbstractData collected between 1997 and 2008 at 48 stream sites were used to characterize relations between watershed settings and stream nutrient yields throughout central and eastern North Carolina. The focus of the investigation was to identify environmental variables in watersheds that influence nutrient export for supporting the development and prioritization of management strategies for restoring nutrient-impaired streams.Nutrient concentration data and streamflow data compiled for the 1997 to 2008 study period were used to compute stream yields of nitrate, total nitrogen (N), and total phosphorus (P) for each study site. Compiled environmental data (including variables for land cover, hydrologic soil groups, base-flow index, streamflows, wastewater treatment facilities, and confined animal feeding operations) were used to characterize the watershed settings for the study sites. Data for the environmental variables were anal...

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“…liquid effluent) in open air lagoons and sprayed as fertilizer for crops onto sprayfields. CAFO effects on water quality include lagoon ruptures and breaks during extreme weather events such as during hurricanes, but also chronic water quality impacts which include nutrients carried offsite from sprayfields (Mallin & Cahoon 2003) or from underground drainage tiles (Harden 2004) as runoff or also as groundwater transport of nutrients (Karr et al 2001). Watersheds with CAFOs had a measureable effect on surface water quality with higher total nitrogen compared to control watersheds in a two year USGS study (Harden 2015).…”

Section: Introductionmentioning

confidence: 99%

Integrating remote sensing with nutrient management plans to calculate nitrogen parameters for swine CAFOs at the sprayfield and sub-watershed scales

Christenson

Serre

2017

Science of The Total Environment

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North Carolina (NC) regulates swine concentrated animal feeding operations (CAFOs) using five-year nutrient management plans (NMPs) requiring the plant available nitrogen sprayed (PANspray) to be less than that utilized by crops (PANcrops), i.e. the PAN balance (defined as PANbal=PANspray-PANcrops) remains negative, which avoids over-spraying liquid effluent onto crops. Objectives of this research are first to characterize Duplin County sprayfields and PANbal by creating the first, open-source sprayfield spatial database created for swine CAFOs in NC (for Duplin County). Second, this paper finds that for two sub-watershed scales 199 additional catchments and 1 additional HUC12 were identified as having permitted lagoon effluent applied compared to using CAFO point locations for a total of 510 catchments and 34 HUC12s with swine CAFO sprayfields. Third, a new method disaggregates annual PANbal from NMPs using remote sensing crop data. And finally, probability that sprayfields have excess PANbal is estimated due to k, a PAN availability coefficient. The remote sensing approach finds that 9–14% of catchments in a given year and 24% of catchments over a five year period have a positive PANbal. An additional 3–4% of catchments have probability of a positive PANbal due to variability in k. This work quantifies the impact of crop rotations on of sprayfields at the catchment spatial scale with respect to PANbal and highlights some of the limitations of NMPs have for estimation of PANbal. We recommend that NMPs be permitted based on the crop rotation scenario utilizing the least PAN and that swine producer compliance to manure management practice be encouraged.

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Ionic composition and nitrate in drainage water from fields fertilized with different nitrogen sources, Middle Swamp watershed, North Carolina, August 2000-August 2001

Cited by 9 publications

References 26 publications

Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River basin, North Carolina, 1999-2002

Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a coastal plain agricultural watershed, and implications for nutrient loading in the Neuse River basin, North Carolina, 1999-2002

Relation of watershed setting and stream nutrient yields at selected sites in central and eastern North Carolina, 1997-2008

Integrating remote sensing with nutrient management plans to calculate nitrogen parameters for swine CAFOs at the sprayfield and sub-watershed scales

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