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许多生物地球化学循环正首次被研究。气候变化和人类影响正在极大地改变这些相对未知的循环的速度、强度和平衡，其中包括:  

许多生物地球化学循环正首次被研究。气候变化和人类影响正在极大地改变这些相对未知的循环的速度、强度和平衡，其中包括:  

* 汞循环,<ref>{{cite web|title=Mercury Cycling in the Environment|url=http://wi.water.usgs.gov/mercury/mercury-cycling.html|website=Wisconsin Water Science Center|publisher=United States Geological Survey|date=10 January 2013|access-date=20 November 2017|archive-date=11 April 2021|archive-url=https://web.archive.org/web/20210411155926/https://wi.water.usgs.gov/mercury/mercury-cycling.html|url-status=live}}</ref> and

* 汞循环,<ref>{{cite web|title=Mercury Cycling in the Environment|url=http://wi.water.usgs.gov/mercury/mercury-cycling.html|website=Wisconsin Water Science Center|publisher=United States Geological Survey|date=10 January 2013|access-date=20 November 2017|archive-date=11 April 2021|archive-url=https://web.archive.org/web/20210411155926/https://wi.water.usgs.gov/mercury/mercury-cycling.html|url-status=live}}</ref>  

* 多氯联苯的人为循环<ref>{{cite book |title=Organic contaminants that leave traces : sources, transport and fate |publisher=Ifremer |isbn=9782759200139 |pages=22–23}}</ref>

* 多氯联苯的人为循环<ref>{{cite book |title=Organic contaminants that leave traces : sources, transport and fate |publisher=Ifremer |isbn=9782759200139 |pages=22–23}}</ref>

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由于生物地球化学循环描述了整个地球上物质的运动，其研究本质上是多学科的。碳循环可能与生态学和大气科学研究有关。<ref>{{cite book|last1=McGuire|first=1A. D.|last2=Lukina|first2=N. V.|chapter=Biogeochemical cycles|editor-last1=Groisman|editor-first1=P.|editor-last2=Bartalev|editor-first2=S. A.|editor-last3=NEESPI Science Plan Development Team|title=Northern Eurasia earth science partnership initiative (NEESPI), Science plan overview|date=2007|pages=215&ndash;234|series=Global Planetary Change|volume=56|chapter-url=http://neespi.org/science/NEESPI_SP_chapters/SP_Chapter_3.2.pdf|access-date=20 November 2017|archive-date=5 March 2016|archive-url=https://web.archive.org/web/20160305025005/http://neespi.org/science/NEESPI_SP_chapters/SP_Chapter_3.2.pdf|url-status=live}}</ref>生化动力学也与地质学和土壤学领域有关。<ref>{{cite web|title=Distributed Active Archive Center for Biogeochemical Dynamics|url=http://daac.ornl.gov/|website=daac.ornl.gov|publisher=Oak Ridge National Laboratory|access-date=20 November 2017|archive-date=11 February 2011|archive-url=https://web.archive.org/web/20110211040758/http://daac.ornl.gov/|url-status=live}}</ref>

由于生物地球化学循环描述了整个地球上物质的运动，其研究本质上是多学科的。碳循环可能与生态学和大气科学研究有关。<ref>{{cite book|last1=McGuire|first=1A. D.|last2=Lukina|first2=N. V.|chapter=Biogeochemical cycles|editor-last1=Groisman|editor-first1=P.|editor-last2=Bartalev|editor-first2=S. A.|editor-last3=NEESPI Science Plan Development Team|title=Northern Eurasia earth science partnership initiative (NEESPI), Science plan overview|date=2007|pages=215&ndash;234|series=Global Planetary Change|volume=56|chapter-url=http://neespi.org/science/NEESPI_SP_chapters/SP_Chapter_3.2.pdf|access-date=20 November 2017|archive-date=5 March 2016|archive-url=https://web.archive.org/web/20160305025005/http://neespi.org/science/NEESPI_SP_chapters/SP_Chapter_3.2.pdf|url-status=live}}</ref>生化动力学也与地质学和土壤学领域有关。<ref>{{cite web|title=Distributed Active Archive Center for Biogeochemical Dynamics|url=http://daac.ornl.gov/|website=daac.ornl.gov|publisher=Oak Ridge National Laboratory|access-date=20 November 2017|archive-date=11 February 2011|archive-url=https://web.archive.org/web/20110211040758/http://daac.ornl.gov/|url-status=live}}</ref>

==历史==

==历史==