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Couplings Between Changes in the Climate System and Biogeochemistry.

DE2008934721

Publication Date	2007
Personal Author	Menon, S.; Denman, K. L.; Brasseur, G.; Chidthaisong, A.; Wofsy, S. C.
Page Count	90
Abstract	The Earth's climate is determined by a number of complex connected physical, chemical and biological processes occurring in the atmosphere, land and ocean. The radiative properties of the atmosphere, a major controlling factor of the Earth's climate, are strongly affected by the biophysical state of the Earth's surface and by the atmospheric abundance of a variety of trace constituents. These constituents include long-lived greenhouse gases (LLGHGs) such as carbon dioxide (CO(sub 2)), methane (CH(sub 4)) and nitrous oxide (N(sub 2)O), as well as other radiatively active constituents such as ozone and different types of aerosol particles. The composition of the atmosphere is determined by processes such as natural and anthropogenic emissions of gases and aerosols, transport at a variety of scales, chemical and microphysical transformations, wet scavenging and surface uptake by the land and terrestrial ecosystems, and by the ocean and its ecosystems. These processes and, more generally the rates of biogeochemical cycling, are affected by climate change, and involve interactions between and within the different components of the Earth system. These interactions are generally nonlinear and may produce negative or positive feedbacks to the climate system.
Keywords	Climate change Biochemistry Aerosols Carbon cycle Carbon dioxide Ecosystems Gases Greenhouse gases Methane Nitrous oxide Ozone Climates Atmospheric composition Scavenging Terrestrial ecosystems Transformation Transport
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Lawrence Berkeley National Lab., CA. Environmental Energy Technologies Div.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200904
Contract Number	DE-AC02-05CH11231

Couplings Between Changes in the Climate System and Biogeochemistry.

Couplings Between Changes in the Climate System and Biogeochemistry.
DE2008934721

Publication Date	2007
Personal Author	Menon, S.; Denman, K. L.; Brasseur, G.; Chidthaisong, A.; Wofsy, S. C.
Page Count	90
Abstract	The Earth's climate is determined by a number of complex connected physical, chemical and biological processes occurring in the atmosphere, land and ocean. The radiative properties of the atmosphere, a major controlling factor of the Earth's climate, are strongly affected by the biophysical state of the Earth's surface and by the atmospheric abundance of a variety of trace constituents. These constituents include long-lived greenhouse gases (LLGHGs) such as carbon dioxide (CO(sub 2)), methane (CH(sub 4)) and nitrous oxide (N(sub 2)O), as well as other radiatively active constituents such as ozone and different types of aerosol particles. The composition of the atmosphere is determined by processes such as natural and anthropogenic emissions of gases and aerosols, transport at a variety of scales, chemical and microphysical transformations, wet scavenging and surface uptake by the land and terrestrial ecosystems, and by the ocean and its ecosystems. These processes and, more generally the rates of biogeochemical cycling, are affected by climate change, and involve interactions between and within the different components of the Earth system. These interactions are generally nonlinear and may produce negative or positive feedbacks to the climate system.
Keywords	Climate change Biochemistry Aerosols Carbon cycle Carbon dioxide Ecosystems Gases Greenhouse gases Methane Nitrous oxide Ozone Climates Atmospheric composition Scavenging Terrestrial ecosystems Transformation Transport
Source Agency	Technical Information Center Oak Ridge Tennessee
Corporate Authors	Lawrence Berkeley National Lab., CA. Environmental Energy Technologies Div.; Department of Energy, Washington, DC.
Supplemental Notes	Sponsored by Department of Energy, Washington, DC.
Document Type	Technical Report
NTIS Issue Number	200904
Contract Number	DE-AC02-05CH11231