Arid
DOI10.1021/acs.est.6b01351
Advancing the Food-Energy-Water Nexus: Closing Nutrient Loops in Arid River Corridors
Mortensen, Jacob G.1; Gonzalez-Pinzon, Ricardo1; Dahm, Clifford N.2; Wang, Jingjing3; Zeglin, Lydia H.4; Van Horn, David J.2
通讯作者Mortensen, Jacob G. ; Gonzalez-Pinzon, Ricardo
来源期刊ENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
EISSN1520-5851
出版年2016
卷号50期号:16页码:8485-8496
英文摘要

Closing nutrient loops in terrestrial and aquatic ecosystems is integral to achieve resource security in the food-energy-water (FEW) nexus. We performed multiyear (2005-2008), monthly sampling of instream dissolved inorganic nutrient concentrations (NH4-N, NO3-N, soluble reactive phosphorus-SRP) along a similar to 300-km arid-land river (Rio Grande, NM) and generated nutrient budgets to investigate how the net source/sink behavior of wastewater and irrigated agriculture can be holistically managed to improve water quality and close nutrient loops. Treated wastewater on average contributed over 90% of the instream dissolved inorganic nutrients (101 kg/day NH4-N, 1097 kg/day NO3-N, 656 kg/day SRP). During growing seasons, the irrigation network downstream of wastewater outfalls retained on average 37% of NO3-N and 45% of SRP inputs, with maximum retention exceeding 60% and 80% of NO3-N and SRP inputs, respectively. Accurate quantification of NH4-N retention was hindered by low loading and high variability. Nutrient retention in the irrigation network and instream processes together limited downstream export during growing seasons, with total retention of 33-99% of NO3-N inputs and 45-99% of SRP inputs. From our synoptic analysis, we identify trade-offs associated with wastewater reuse for agriculture within the scope of the FEW nexus and propose strategies for closing nutrient loops in arid-land rivers.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000381654600009
WOS关键词MIDDLE RIO-GRANDE ; WASTE-WATER ; DRAINAGE DITCHES ; AGRICULTURAL WATERSHEDS ; IRRIGATION SYSTEMS ; HUMAN IMPACT ; OGLIO RIVER ; NEW-MEXICO ; NITROGEN ; PHOSPHORUS
WOS类目Engineering, Environmental ; Environmental Sciences
WOS研究方向Engineering ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192807
作者单位1.Univ New Mexico, Dept Civil Engn, Albuquerque, NM 87131 USA;
2.Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA;
3.Univ New Mexico, Dept Econ, Albuquerque, NM 87131 USA;
4.Kansas State Univ, Div Biol, Ackert Hall, Manhattan, KS 66506 USA
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GB/T 7714
Mortensen, Jacob G.,Gonzalez-Pinzon, Ricardo,Dahm, Clifford N.,et al. Advancing the Food-Energy-Water Nexus: Closing Nutrient Loops in Arid River Corridors[J],2016,50(16):8485-8496.
APA Mortensen, Jacob G.,Gonzalez-Pinzon, Ricardo,Dahm, Clifford N.,Wang, Jingjing,Zeglin, Lydia H.,&Van Horn, David J..(2016).Advancing the Food-Energy-Water Nexus: Closing Nutrient Loops in Arid River Corridors.ENVIRONMENTAL SCIENCE & TECHNOLOGY,50(16),8485-8496.
MLA Mortensen, Jacob G.,et al."Advancing the Food-Energy-Water Nexus: Closing Nutrient Loops in Arid River Corridors".ENVIRONMENTAL SCIENCE & TECHNOLOGY 50.16(2016):8485-8496.
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