气候变化领域集成服务门户(CCPortal): Exploring river nitrogen and phosphorus loading and export to global coastal waters in the Shared Socio-economic pathways

CCPortal

DOI	10.1016/j.gloenvcha.2021.102426
	Exploring river nitrogen and phosphorus loading and export to global coastal waters in the Shared Socio-economic pathways
	Beusen A.H.W.; Doelman J.C.; Van Beek L.P.H.; Van Puijenbroek P.J.T.M.; Mogollón J.M.; Van Grinsven H.J.M.; Stehfest E.; Van Vuuren D.P.; Bouwman A.F.
发表日期	2022
ISSN	0959-3780
卷号	72
英文摘要	This global spatially explicit (0.5 by 0.5 degree) analysis presents the nitrogen (N) and phosphorus (P) inputs, processing and biogeochemical retention and delivery to surface waters and river export to coastal seas according to the five shared socioeconomic pathways (SSP). Four systems are considered: (i) human system; (ii) agriculture; (iii) aquaculture; (iv) nature. Exploring the changes during 1980–2015 and 2015–2050 according to the SSPs shows that the natural nutrient sources have been declining in the past decades and will continue to decline in all SSPs in future decades due to massive land transformations, while agriculture, human sewage and aquaculture are becoming increasingly dominant (globally up to 80% of nutrient delivery). More efforts than those employed in any of the SSPs are needed to slow down the global nutrient cycles. One of the drivers of the proliferation of harmful algal blooms is the tendency towards increasing N:P ratios in global freshwaters and export to the global coastal seas; this is the result of increasing N:P in inputs in food production, more efficient biogeochemical retention of P than of N in river basins, and groundwater N legacies, which seems to be most pronounced in a united world that strives after sustainability. The diverging strategies to achieve UN Sustainable Development Goals 14 (life below water), 2 (zero hunger) and 6 (clean water and sanitation) therefore require a balanced management system for both N and P in all systems, that accounts for future nutrient legacies. © 2021 The Author(s)
关键词	Agriculture Freshwater Nitrogen Phosphorus Scenario Sewage
语种	英语
scopus关键词	aquaculture; biogeochemical cycle; coastal water; groundwater; nitrogen; nutrient cycling; phosphorus; river basin; sewage; socioeconomic conditions
来源期刊	Global Environmental Change
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/249531
作者单位	Department of Earth Sciences – Geochemistry, Faculty of Geosciences, Utrecht University, P.O. Box 80021, TA Utrecht, 3508, Netherlands; PBL Netherlands Environmental Assessment Agency, P.O. Box 30314, GH The Hague, 2500, Netherlands; Department of Physical Geography, Faculty of Geosciences, Utrecht University, P.O. Box 80.115, TC Utrecht, 3508, Netherlands; Institute of Environmental Sciences (CML), Leiden University, PO Box 9518, RA Leiden, 2300, Netherlands; Copernicus Institute of Sustainable Development, Faculty of Geosciences, Utrecht University, P.O. Box 80115, TC Utrecht, 3508, Netherlands; Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China
推荐引用方式 GB/T 7714	Beusen A.H.W.,Doelman J.C.,Van Beek L.P.H.,et al. Exploring river nitrogen and phosphorus loading and export to global coastal waters in the Shared Socio-economic pathways[J],2022,72.
APA	Beusen A.H.W..,Doelman J.C..,Van Beek L.P.H..,Van Puijenbroek P.J.T.M..,Mogollón J.M..,...&Bouwman A.F..(2022).Exploring river nitrogen and phosphorus loading and export to global coastal waters in the Shared Socio-economic pathways.Global Environmental Change,72.
MLA	Beusen A.H.W.,et al."Exploring river nitrogen and phosphorus loading and export to global coastal waters in the Shared Socio-economic pathways".Global Environmental Change 72(2022).