منابع مشابه
Fate of rising CO2 droplets in seawater.
The sequestration of fossil fuel CO2 in the deep ocean has been discussed by a number of workers, and direct ocean experiments have been carried out to investigate the fate of rising CO2 droplets in seawater. However, no applicable theoretical models have been developed to calculate the dissolution rate of rising CO2 droplets with or without hydrate shells. Such models are important for the eva...
متن کاملCO2 Rising: The World’s Greatest Environmental Challenge
Avoiding, preparing for, and effectively responding to the significant challenges posed by climate change require extensive engagement across scientific disciplines, decision makers, and the public. The multidisciplinary nature of climate change and the speed with which it has moved from being the concern of a few to affecting the lives of millions mean that few people have received the educati...
متن کاملFeedbacks and the coevolution of plants and atmospheric CO2.
The coupled evolution of land plants, CO2, and climate over the last half billion years has maintained atmospheric CO2 concentrations within finite limits, indicating the involvement of a complex network of geophysiological feedbacks. But insight into this important regulatory network is extremely limited. Here we present a systems analysis of the physiological and geochemical processes involve...
متن کاملDecrease of emissions required to stabilize atmospheric CO2 due to positive carbon cycle–climate feedbacks
[1] Positive feedbacks between the carbon cycle and climate have the potential to accelerate the accumulation of atmospheric CO2 over the next century. Here, I address the question of how climate-induced carbon cycle changes could affect the emissions required to stabilize atmospheric CO2 at 1000 ppmv. From a coupled climate-carbon cycle simulation, I calculated emissions that are consistent wi...
متن کاملN deposition and elevated CO2 on methane emissions: Differential responses of indirect effects compared to direct effects through litter chemistry feedbacks
[1] Increases in atmospheric CO2 concentration and N deposition are expected to affect methane (CH4) production in soils and emission to the atmosphere, directly through increased plant litter production and indirectly through changes in substrate quality. We examined how CH4 emission responded to changes in litter quality under increased N and CO2, beyond differences in CH4 resulting from chan...
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ژورنال
عنوان ژورنال: Nature
سال: 2011
ISSN: 0028-0836,1476-4687
DOI: 10.1038/475177a