Effects of acid deposition control in China:a review based on responses of subtropical forests
作者机构：School of Land EngineeringChang’an UniversityXi’an 710064China State Key Laboratory of Environmental Simulation and Pollution ControlSchool of EnvironmentTsinghua UniversityBeijing 100084China State Environmental Protection Key Laboratory of Sources and Control of Air Pollution ComplexBeijing 100084China Faculty of Environmental Sciences and Natural Resource ManagementNorwegian University of Life SciencesBox 5003NO-1432ÅsNorway
出 版 物：《Frontiers of Environmental Science & Engineering》 (环境科学与工程前沿（英文）)
年 卷 期：2024年第18卷第6期
页 面：115-126页
核心收录：
学科分类：12[管理学] 1204[管理学-公共管理] 082803[工学-农业生物环境与能源工程] 08[工学] 0828[工学-农业工程] 120405[管理学-土地资源管理]
基 金：the National Key Research and Development Project(No.2022YFC3700600) the National Natural Science Foundation of China(Nos.42303061 and 42277204) the Norwegian Directorate for Higher Education and Skills(HK-DIR,projects UTF-2016-long-term/10089 and UTF-2020/10180) the Young Talent Fund of Association for Science and Technology in Shaanxi,China(20230704)
主 题：Acidification Critical load Nitrous oxide Surface water chemistry Recovery
摘 要：For many decades,acid deposition used to pose a significant regional air pollution challenge in *** substantial emission control of anthropogenically derived sulfur and nitrogen containing gasses,both sulfur and nitrogen deposition,as well as the acid rain-affected area,have significantly decreased compared to their peak ***,particularly in the humid subtropics,are sensitive to acid deposition,as evidenced by soil acidification,sulfate and nitrate leaching in stream water,and elevated soil nitrous oxide *** in the total deposition of sulfur and nitrogen,caused a significant decline in sulfate and nitrate leaching from subtropical forest and subsequently in sulfate and nitrate concentrations in stream water,although there was about a 5-year *** delay may be attributed to the desorption of accumulated sulfate and continued elevated mineralization of accumulated nitrogen *** of nitrous oxide,a potent greenhouse gas,also declined in nitrogen-saturated subtropical forest soils,as soil water nitrate concentration ***,subtropical forests in China suffering from elevated acid deposition have begun to ***,the current levels of sulfur and nitrogen deposition continue to exceed the critical loads,i.e.,the assigned threshold levels in accordance with emission control policies,in more than 10%of the country’s land area,respectively,indicating remaining risks of acidification and ***,further emission reductions are urgently needed,also because they will help achieving goals related to air quality and nitrous oxide emissions.
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