Sentences with phrase «as carbon sinks for»

The changing temperature and chemistry of the Arctic Ocean and Bering Sea are likely changing their role in global ocean circulation and as carbon sinks for atmospheric CO2 respectively, although the importance of these changes in the global carbon budget remains unresolved.

Not exact matches

The Globe «s Jeffrey Simpson offers Canadian politicians plaudits for the following good deeds: Ed Stelmach's decision to fund research into carbon capture and storage; Dalton McGuinty's decision to protect the boreal forest (because «untouched forests are wonderful carbon sinks») and to sign on to the Western Climate Initiative; Stephen Harper for agreeing to pour money into Ontario infrastructure; and the premiers for finally agreeing «that within one sovereign country, there ought to be as few obstacles to the movement of people and capital as possible.»
For example, soil is second only to oceans as the planet's largest carbon sink, while agriculture and land use changes represent the second largest source of greenhouse gas emissions.
Beyond their value as carbon sinks, or medical plunder, plants are now seen to have value in terms of the vast gene bank they represent for crops, their ecosystem services and as «natural», spiritual capital.
«As vital carbon sinks and habitats for millions of people and imperilled wildlife, it is well known that forest protection is essential for any environmental solution — yet not all forests are equal,» said Professor James Watson of WCS and the University of Queensland.
«Understanding which trees in the forest are most vulnerable to drought is quite important for understanding whether [they will] continue to act as a strong carbon sink in a rapidly changing climate,» he said in an email.
Lead author PhD student Adam Hejnowicz said: «Seagrass meadows could play a vital role in combating climate change as they are regarded as a net global sink for carbon.They have the capacity to bury significant deposits of organic carbon beneath the sediment, up to many metres thick in places and over millenary time scales.»
The U.N. Convention to Combat Desertification estimates that soil, as a sink for carbon dioxide, provides a larger reservoir than either vegetation or the atmosphere, calling its sequestration capabilities «unparalleled.»
The approach ranked as the study's least viable strategy, in part because less than a quarter of the algae could be expected to eventually sink to the bottom of the ocean, which would be the only way that carbon would be sequestered for a long period of time.
For example, they may help researchers understand the full — and perhaps changing — potential for the plankton ecosystem to act as a sink to absorb carbon dioxide from the aFor example, they may help researchers understand the full — and perhaps changing — potential for the plankton ecosystem to act as a sink to absorb carbon dioxide from the afor the plankton ecosystem to act as a sink to absorb carbon dioxide from the air.
Accounting for biomass energy often ignores the critical role forests play as a sink for carbon dioxide that might otherwise accumulate in the atmosphere.
In using the model to assess the ocean - carbon sink, the researchers assumed a «business as usual» carbon dioxide emissions trajectory, the Representative Concentration Pathway 8.5 scenario found in the Intergovernmental Panel on Climate Change for 2006 - 2010, where emissions continue to rise throughout the 21st century.
For example, in higher latitudes such as northern Canada and Greenland, coastal waters usually act as carbon sinks, absorbing excess carbon dioxide from the atmosphere.
Lal first came to the idea of soil as a powerful carbon sink (pdf) not through an interest in climate change, but rather out of concern for the land itself and the people who depend on its productivity.
The north Atlantic Ocean is globally important, as it is a sink for atmospheric carbon dioxide, said Eric Achterberg, chief scientist for the research cruise and lead author of the study.
For Arrigo, who has extensively studied carbon cycles, an important implication of higher productivity in polynyas is for their role as carbon sinFor Arrigo, who has extensively studied carbon cycles, an important implication of higher productivity in polynyas is for their role as carbon sinfor their role as carbon sinks.
«Marine phytoplankton absorb carbon in the same way as trees on land, and when phytoplankton die and sink into the deep ocean, the carbon they contain is locked away for thousands of years.
So, as carbon dioxide continued to rise, its fertilising effect on plants continued but respiration weakened for a while, strengthening the overall land carbon sink.
Major sinks, likewise: for example, as continents collided, mountain - ranges were formed, making phenomenal amounts of rock debris available to weathering - agents, of which carbon dioxide dissolved in rainwater is one of the most important.
As for plants soaking up the excess, forests and other vegetation are indeed major carbon sinks that can absorb lots of carbon — in other words, healthy forests could offset some of our global warming pollution.
ATM will also soon offer carbon, as well as a line of fish food that will include floating and sinking pellets for fresh and saltwater.
Healthy soils are not only essential for the production of food but are a vital part of our global ecosystem, acting as a carbon sink to reduce the impact of climate change.
If not, might not we want to assume, for the sake of risk assessment, that this will drive faster break down in the system and faster heating of the planet as the ability of the ocean to support life is diminished, and likely it's ability to continue to act as a carbon sink?
The process has dire consequences for climate, because forests like the Amazon serve as essential carbon sinks as long as they are left intact.
Future studies of the carbon system in the oceans should be designed to identify and quantitatively assess these feedback mechanisms to provide input to models that will determine the ocean's future role as a sink for anthropogenic CO2.
Neither the terrestrial nor the marine carbon sinks have known large - scale thesholds yet they are exceedingly important for the functioning of the climate system, which does indeed have known large - scale thresholds such as the melting of the Greenland ice sheet.
Funny how difficult it is for him and his fellow denialati to look at 1) where that carbon came from 2) its isotopic composition 3) the fact that it takes a while for permafrost to melt and oceans to become a source rather than a sink 4) the fact that humans are producing about 2x as much carbon as is going into the atmosphere 5) the remaining CO2 is acidifying the oceans
I never said that modest changes in vegetation would act as a sink for all the carbon emissions.
Natural carbon sinks such as soils and forests that are not burned for fuel, are less likely to have unintended consequences.
fourth, Jeff Huggins (5) I want to thank you for being so honest in expressing your view that any mention of things such as a potentially large carbon sink is merely a distraction when the REAL story that should be covered is the oil industry.
The role of the world's forests as a «sink» for atmospheric carbon dioxide is the subject of active debate.
Peatlands like bogs and fens have been in the spotlight for some time for their role in climate change, both as carbon sinks and as methane sources.
Those three facts suggest that most if not all of the observed increase in CO2 is natural unless it can be shown that for some reason warming oceans can nevertheless act as a carbon sink rather than a carbon source.
Berry claims that nature is responsible for carbon increases from 280ppm to 373ppm, yet it is well established that nature is acting as carbon sink from the ocean and biomass.
«In addition to providing essential ecosystem services, including water regulation across the landscape and habitat for unique biodiversity, peatlands are globally important for their prominent role as a carbon pool and sink,» says Kristell Hergoualc» h, a CIFOR scientist, and contributor to the special issue and IUFRO session.
For the d13C levels of several parts of the carbon cycle see: http://homepage.mac.com/uriarte/carbon13.html There are only two sources of low d13C on earth: fossil fuels and vegetation decay, but as the biosphere is an overall carbon sink, thus specifically a 12C sink, it can't be a 13C sink.
After incorporating these «indirect emission» effects from changes in land use, often into areas valuable as carbon sinks, the analysis found that biofuels produced from vegetable oils are likely to be worse for the climate than fossil fuels.
«Cutting trees for fuel is antithetical to the important role that forests play as a sink for CO2 that might otherwise accumulate in the atmosphere,» Schlesinger writes in an article published yesterday in the journal Science, adding later that carbon neutrality «is only achieved» if harvested forests are allowed to regrow more biomass than was lost.
for article Corrigendum: The seasonal sea - ice zone in the glacial Southern Ocean as a carbon sink.
As for plants soaking up the excess, forests and other vegetation are indeed major carbon sinks that can absorb lots of carbon — in other words, healthy forests could offset some of our global warming pollution.
The Earth balances CO2 emissions with carbon sinks that absorb and release it as they have done for much of its 4.5 billion years of existence.
for article The seasonal sea - ice zone in the glacial Southern Ocean as a carbon sink.
The existence of this oceanic carbon pump also raises questions about the need for a large terrestrial carbon sink in the Northern Hemisphere, as postulated by Tans et al. 3, to balance the present global carbon budget.
Update Dec. 12, 10:55: The deal also calls for balancing out carbon emissions caused by humans with those that can be absorbed back in by sinks (such as trees and oceans).
It called on the UNFCCC to use the most recent IPCC guidance and guidelines as a basis for estimating anthropogenic forest - related greenhouse gas emissions by sources and removals by sinks, forest carbon stocks and forest area changes.
And I have repeatedly pointed out that you guys consistently mistake unverified models for reality, and don't know anything worth mentioning about Linear Systems theory, tracer measurements, or why the sink rate for each carbon isotope (in CO2) is the same as each of the others and the same as all of them put together.
For further reading on the research on the role of forests as carbon sinks and emerging research, I recommend The hunt for the world's missing carbon by Gabriel Popkin in Nature NeFor further reading on the research on the role of forests as carbon sinks and emerging research, I recommend The hunt for the world's missing carbon by Gabriel Popkin in Nature Nefor the world's missing carbon by Gabriel Popkin in Nature News.
Since CO2 from coal - generated electricity used for air conditioning would be tiny compared to ocean CO2 flux, the temperature influences CO2 as only a Natural mechanism and will affect both sources and sinks of carbon.
Or if the capacity of the sinks decreases so that they can not sink the carbon as fast as they did before, that is another reason for the level of atmospheric CO2 to increase as well.
The oceans are acting as a heat sink for rising temperatures and have absorbed about one - third of the carbon dioxide produced by human activities.
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