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文件: 元素的生物地球化学循环.svg | 文件: whalepp.jpg | 海洋中的“鲸泵”显示鲸鱼如何使得养分在大洋水柱中循环: 全球碳循环.webp | 人类活动引起的全球碳循环变化造成的影响令科学家们担忧 | Avelar，s. ，van der Voort，t.s。还有艾格林顿，t.i。(2017年)”海洋沉积物碳储存与海洋国家温室气体清单的相关性”。碳平衡与管理，12(1) : 10。.50px 材料复制自这个来源，可以在知识共享署名4.0国际许可证下获得。

文件: 元素的生物地球化学循环.svg | 文件: whalepp.jpg | 海洋中的“鲸泵”显示鲸鱼如何使得养分在大洋水柱中循环: 全球碳循环.webp | 人类活动引起的全球碳循环变化造成的影响令科学家们担忧  

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==Box models 箱模型==

==Box models 箱模型==

{{see also|Climate box models}}

{{see also|Climate box models}}

[[File:Simple box model.png|thumb|upright=1|right| {{center|'''Basic one-box model'''}}]]

[[File:Simple box model.png|thumb|upright=1|right| {{center|'''Basic one-box model'''}}]]  

 

<nowiki>= = 箱模型 = =</nowiki>

 

= = 箱模型 = = 拇指 | 竖直 = 1 | 右 |

Box models are widely used to model biogeochemical systems.<ref name=Sarmiento1984>{{cite journal| author = Sarmiento, J.L.|author2=Toggweiler, J.R.| year = 1984| title = A new model for the role of the oceans in determining atmospheric P CO 2| journal = Nature| volume = 308| pages = 621–24| doi = 10.1038/308621a0| issue=5960 |bibcode = 1984Natur.308..621S |s2cid=4312683}}</ref><ref name=Bianchi2007>[[Thomas S. Bianchi|Bianchi, Thomas]] (2007) [https://books.google.com/books?id=3no8DwAAQBAJ&printsec=frontcover&dq=%22Biogeochemistry+of+Estuaries%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwixq4PYm_brAhXYILcAHUVzBf0QuwUwAHoECAIQBw#v=onepage&q=%22Biogeochemistry%20of%20Estuaries%22&f=false ''Biogeochemistry of Estuaries''] {{Webarchive|url=https://web.archive.org/web/20210925012739/https://books.google.com/books?id=3no8DwAAQBAJ&printsec=frontcover&dq=%22Biogeochemistry+of+Estuaries%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwixq4PYm_brAhXYILcAHUVzBf0QuwUwAHoECAIQBw#v=onepage&q=%22Biogeochemistry%20of%20Estuaries%22&f=false |date=2021-09-25 }} page 9, Oxford University Press. {{ISBN|9780195160826}}.</ref> Box models are simplified versions of complex systems, reducing them to boxes (or storage [[Thermodynamics#Instrumentation|reservoir]]s) for chemical materials, linked by material [[flux]]es (flows). Simple box models have a small number of boxes with properties, such as volume, that do not change with time. The boxes are assumed to behave as if they were mixed homogeneously.<ref name=Bianchi2007 /> These models are often used to derive analytical formulas describing the dynamics and steady-state abundance of  the chemical species involved.

Box models are widely used to model biogeochemical systems.<ref name=Sarmiento1984>{{cite journal| author = Sarmiento, J.L.|author2=Toggweiler, J.R.| year = 1984| title = A new model for the role of the oceans in determining atmospheric P CO 2| journal = Nature| volume = 308| pages = 621–24| doi = 10.1038/308621a0| issue=5960 |bibcode = 1984Natur.308..621S |s2cid=4312683}}</ref><ref name=Bianchi2007>[[Thomas S. Bianchi|Bianchi, Thomas]] (2007) [https://books.google.com/books?id=3no8DwAAQBAJ&printsec=frontcover&dq=%22Biogeochemistry+of+Estuaries%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwixq4PYm_brAhXYILcAHUVzBf0QuwUwAHoECAIQBw#v=onepage&q=%22Biogeochemistry%20of%20Estuaries%22&f=false ''Biogeochemistry of Estuaries''] {{Webarchive|url=https://web.archive.org/web/20210925012739/https://books.google.com/books?id=3no8DwAAQBAJ&printsec=frontcover&dq=%22Biogeochemistry+of+Estuaries%22&hl=en&newbks=1&newbks_redir=0&sa=X&ved=2ahUKEwixq4PYm_brAhXYILcAHUVzBf0QuwUwAHoECAIQBw#v=onepage&q=%22Biogeochemistry%20of%20Estuaries%22&f=false |date=2021-09-25 }} page 9, Oxford University Press. {{ISBN|9780195160826}}.</ref> Box models are simplified versions of complex systems, reducing them to boxes (or storage [[Thermodynamics#Instrumentation|reservoir]]s) for chemical materials, linked by material [[flux]]es (flows). Simple box models have a small number of boxes with properties, such as volume, that do not change with time. The boxes are assumed to behave as if they were mixed homogeneously.<ref name=Bianchi2007 /> These models are often used to derive analytical formulas describing the dynamics and steady-state abundance of  the chemical species involved.

File:Water cycle.png|alt=Diagram of the water cycle|Water cycle

File:Water cycle.png|alt=Diagram of the water cycle|Water cycle

 

碳循环图 | 氮循环图 | 营养循环图 | 硫循环图 | 岩石循环图 | 水循环图

文件: 碳循环. svg | alt = 碳循环图 | 碳循环文件: 氮循环。氮循环图 | 氮循环文件: whaleump.jpg | alt = 营养循环图 | 营养循环文件: p Cycle.png | alt = 磷循环循环图 | 磷循环循环文件: 硫循环(Ciclo do Enxofre)。硫循环图 | 硫循环图 | 岩石循环图 | 岩石循环图 | 水循环图 | 水循环图

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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，

* 汞循环，

* 多氯联苯的人为循环。文件: 寒地走灯藓/叶绿体在植物细胞和其他真核生物中进行光合作用。文件: 有机碳循环包括干酪根的流动

* 多氯联苯的人为循环。文件: 寒地走灯藓/叶绿体在植物细胞和其他真核生物中进行光合作用。文件: 油母质循环。 文件：煤炭是碳的一个储库

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