Sentences with phrase «past climate change»

Studies of past climate changes suggest the land and oceans start releasing more CO2 than they absorb as the planet warms.
The report will also include an assessment of who is responsible for past climate change and its impacts.
The models used to predict future global warming can accurately map past climate changes.
Thus when arguing for low climate sensitivity, it becomes difficult to explain past climate changes.
Scientists continue to investigate past climate change events to better understand modern climate change, including extreme drought.
One major avenue of research strives to determine climate sensitivity by comparing varying CO2 concentrations with past climate change.
Similarly a high climate sensitivity would have caused more and larger past climate changes.
But how much has past climate change influenced human affairs?
Also, you seem to believe that past climate change just happens when it fact climate always changes because of a change of forcings.
Understanding the factors that can influence temperatures near the tropical lower stratosphere is important for interpreting past climate change and projecting future changes.
Past climate change actually provides evidence for our climate's sensitivity to CO2.
Several factors have affected past climate change, including solar variability, volcanic activity and changes in the composition of the atmosphere.
This study evaluated past climate changes over the previous 65 million years, considering nearly two dozen investigations of many different geological time periods.
Warming can be the result of a number of factors, so that the cause of past climate change is not necessarily implicated in current climate change.
Or you could show that CO2 played little or no role in past climate change.
We look at the messages from past climate change and what climate models tell us about the future.
The models used to predict future global warming can accurately map past climate changes.
Recognition is slowly beginning to grow of the untapped resource of Indigenous knowledge about past climate change in Australian and internationally, which could be used to inform adaptation options.
«Very few studies have attempted to estimate the effects of past climate change on air quality and health.
Posted in Advocacy, Carbon, Development and Climate Change, Energy, Environment, Global Warming, Green House Gas Emissions, Information and Communication, Lessons, News, Pollution, Publication, Research, Vulnerability, Weather Comments Off on Does Past Climate Change Tell About Global Warming?
Repairing the climate could be that simple, or at least that is what climate scientist Wallace Broecker and science writer Robert Kunzig propose in Fixing Climate: What Past Climate Changes Reveal About the Current Threat — and How to Counter It (Hill and Wang, $ 25).
«Records of past climate change show that change starts slowly and then accelerates,» he said.
Folk and coauthors built a new set of computational tools to infer how past climate change would have created new plant communities in the past where hybridization was possible.
He promoted the use of water stable isotopomers for reconstructing past climate changes from ice cores and with associated atmospheric modelling using both dynamically simple and General Circulation Models (GCMs).
Indeed, the utility of the term in describing past climate changes at regional scales has been questioned [see e.g. Jones, P.D., Mann, M.E., Climate Over Past Millennia, Reviews of Geophysics, 42, RG2002, doi: 10.1029 / 2003RG000143, 2004 and references therein.]
There is plenty of evidence of past climate change which was abrupt on timescales of 10 - 100 years through the last glacial cycle and beyond.
Only one of those groups, Working Group I (WG I) is assigned to report on the extent and possible causes of past climate change as well as future projections.
«It is of paramount importance to account for changes in Saharan vegetation and dust emissions when simulating past climate change.
- The failure of the warmers to acknowledge past climate changes such as the Medieaval Warm Period, especially the Mann hockeystick episode, which I feel has seriously damaged their credibility.
Those glittering stalagmites, which have been forming for tens of thousands of years, are what provided Georgia Institute of Technology doctoral student Stacy Carolin with a way to investigate how rainfall in this region shifted when past climate changed.
Since the L&S model is so oversimplified, failing to account for changes in the natural forcings, they fail to accurately model past climate changes.
Policy frameworks provided by NGOs have proven handy in past climate change talks.
Oxygen is one of the key elements scientists look at to track past climate change.
Before we can understand what past climate change meant for more animals — «there needs to be a lot more work on modern animals,» Secord says.
The fossil record suggests that most species persisted through past climate change, whereas forecasts of future impacts predict large - scale range reduction and extinction.
Understanding how the bears weathered past climate changes or sea ice — free conditions might help identify what could be done to help the unique animal survive.
Studies of past climate change indicate that the AMOC has slowed a number of times, in surprisingly short periods, causing substantial cooling of Europe.
A team of researchers is analyzing layers of urine deposited by rock hyrax to trace past climate changes in South Africa.
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