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Global carbon cycle

Global Carbon Cycle

Global Carbon Cycle

... the Carbon in the Ocean, the Biosphere and the Atmosphere raneous atmosphere fluctuated in step with the changes in global climate, although the cause and effect relationship is not yet ...the global ...

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Soil carbon model alternatives for ECHAM5/JSBACH climate model: Evaluation and impacts on global carbon cycle estimates

Soil carbon model alternatives for ECHAM5/JSBACH climate model: Evaluation and impacts on global carbon cycle estimates

... 2001]. We compared the modeled CO 2 flux to the flux measured at eight locations, selected so as to cover ecosys- tems that are important for the global carbon cycle. The details of the measurement ...

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The contribution of weathering of the main Alpine rivers on the global carbon cycle

The contribution of weathering of the main Alpine rivers on the global carbon cycle

... the global carbon cycle Abstract On geological time-scales the carbon fluxes from the solid Earth to the atmosphere mainly result from vol- canism and metamorphic-decarbonation processes, ...

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The global carbon cycle and its changes over glacial–interglacial cycles

The global carbon cycle and its changes over glacial–interglacial cycles

... The global carbon cycle and its changes over glacial–interglacial cycles Carbon is an essential element for life, food and energy. It is also a key component of greenhouse gases and, thus, ...

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The impact of different external sources of iron on the global carbon cycle

The impact of different external sources of iron on the global carbon cycle

... Huneeus, N., et al. (2011), Global dust model intercomparison in AeroCom phase I, Atmos. Chem. Phys., 11, 7781–7816, doi:10.5194/acp-11-7781-2011. Hutchins, D. A., and K. W. Bruland (1998), Iron-limited diatom ...

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The role of continental erosion and river transports in the global carbon cycle

The role of continental erosion and river transports in the global carbon cycle

... CNRS, Laboratoire des Mécanismes de Transfert en Géologie, Toulouse, France The chemical and physical erosion of land materials released into the rivers organic (dissolved (DOC) and particulate (POC)), and inorganic ...

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Early Triassic fluctuations of the global carbon cycle: New evidence from paired carbon isotopes in the western USA basin

Early Triassic fluctuations of the global carbon cycle: New evidence from paired carbon isotopes in the western USA basin

... the carbon isotope signal, most notably during the Smithian and through the Smithian/ Spathian Boundary (SSB; ~ ...paired carbon isotope signal along with an analysis of the trace and major elements at the ...

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Incorporation of greenhouse gas emission dynamics from boreal rivers into the global carbon cycle

Incorporation of greenhouse gas emission dynamics from boreal rivers into the global carbon cycle

... Streams and rivers typically occupy much smaller surface areas than lakes in most watersheds, yet they represent the most biogeochemically active land/water interfaces (McC[r] ...

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Satellite measurements and vegetation models for global carbon cycle studies

Satellite measurements and vegetation models for global carbon cycle studies

... estimating global NPP (Ruimy et ...current carbon cycle and its ...of global plant productivity with increased CO2 and associated climatic ...

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Sensitivity of global terrestrial carbon cycle dynamics to variability in satellite-observed burned area

Sensitivity of global terrestrial carbon cycle dynamics to variability in satellite-observed burned area

... At global scales, a wealth of empirical studies have documented the global importance of fire on interannual variability of atmospheric CO 2 concentrations and in determining the boundaries of ecosystem ...

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Spatio-temporal variability of marine primary and export production in three global coupled climate carbon cycle models

Spatio-temporal variability of marine primary and export production in three global coupled climate carbon cycle models

... the global carbon cycle, con- 20 trolling the uptake of dissolved inorganic carbon (DIC) in the sunlit surface waters of the ocean and its transfer into organic carbon ...organic ...

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Dimethylsulfoniopropionate (DMSP) and dimethylsulfide (DMS) sea surface distributions simulated from a global three-dimensional ocean carbon cycle model

Dimethylsulfoniopropionate (DMSP) and dimethylsulfide (DMS) sea surface distributions simulated from a global three-dimensional ocean carbon cycle model

... ocean global carbon cycle model (the IPSL-OCCM2 model) including an explicit representation of plankton dynamics has been used as a basis for modeling the global distributions of DMS and ...

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Global response of the terrestrial biosphere to CO 2 and climate change using a coupled climate-carbon cycle model

Global response of the terrestrial biosphere to CO 2 and climate change using a coupled climate-carbon cycle model

... simulations that soil respiration generally decreases because NPP and hence soil carbon input decreases under climate change, a mechanism not seen in the Hadley simulations. This may be due to different ...

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Towards understanding global variability in ocean carbon-13

Towards understanding global variability in ocean carbon-13

... [ 7 ] The physical model coupled to PISCES is based on the ORCA2 global ocean model configuration of OPA version 8.2 [Madec et al., 1998] and also includes a dynamic-thermodynamic sea ice model [Timmermann et al., ...

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Understanding the uncertainty in global forest carbon turnover

Understanding the uncertainty in global forest carbon turnover

... that carbon remains in forest biomass is one of the largest uncertainties in the global car- bon cycle, with both recent historical baselines and future responses to environmental change poorly ...

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Focus on extreme events and the carbon cycle

Focus on extreme events and the carbon cycle

... 3.1.1. Hurricane-savanna- fire interactions Hutley et al ( 2013 ) estimated the ecological conse- quences of the mega-cyclone Monica that damaged or destroyed 140 million trees across the coastal and sub- coastal region ...

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Characteristic disruptions of an excitable carbon cycle

Characteristic disruptions of an excitable carbon cycle

... Here I formulate and analyze an elementary mathematical model that shows how the characteristic rate can instead emerge within the carbon cycle. The model portrays the upper ocean as a chemical reactor open ...

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Comparing Life Cycle Energy and Global Warming Potential of Carbon Fiber Composite Recycling Technologies and Waste Management Options

Comparing Life Cycle Energy and Global Warming Potential of Carbon Fiber Composite Recycling Technologies and Waste Management Options

... b) Global warming Potential of different CFRP waste treatment options including credits (CF replacement based on variable fibre content and material thickness) Table A1 Inventory data of different CFRP recycling ...

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Carbon cycle uncertainty in the Alaskan Arctic

Carbon cycle uncertainty in the Alaskan Arctic

... all carbon components in the Alaskan Arctic (North Slope): (1) net ecosystem exchange (NEE) of CO 2 between land and atmosphere; (2) net primary production (NPP); (3) autotrophic respiration (Ra); (4) gross ...

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Evaluation of black carbon estimations in global aerosol models

Evaluation of black carbon estimations in global aerosol models

... ice-out/2 0.38 ice-outx2 0.33 Schuster BC load Fig. 8. Annual mean column BC load for GISS sensitivity simulations and the Schuster BC retrieval (see Fig. 7). (Fig. 10) over North America. Details for the campaigns are ...

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