Sentences with phrase «climate change signal»

But it's being layered on top of a long - term climate change signal, which has seen the world get hotter and hotter since record keeping began in the late 1800s.
The emergence timescale of these anthropogenic climate change signals in normalized losses was found to be between 120 and 550 years.
Evaluating hydro - climatic impacts of climate change signals from statistically and dynamically downscaled GCMs and hydrologic models.
Sarojini et al. (2012) found little if any anthropogenic climate change signal in either the annual or seasonal observed precipitation trends in land areas in the latitude band which contains the majority of the U.S. (Figure 2).
We conclude at this point that (i) several differently characterized methods should be applied and discussed simultaneously, (ii) uncertainties should be taken into account to prevent biased or wrong conclusions, and (iii) removing internally generated climate variability by incorporating atmospheric or oceanographic information helps to uncover externally forced climate change signals.
Following completion of the pilot project, the long - term vision is deployment in each of the nine NOAA climate regions of the United States at a 100 km spatial resolution that will allow the detection of regional climate change signals.
We do not expect to see climate change signals in landfalling (as opposed to open ocean) hurricanes for several decades.
Having a certain opinion on climate change signals solidarity with political compatriots, regardless of someone's familiarity with the scientific method, he said.
Various studies have found climate change signals appearing on a global scale as early as the 1830s, or as recently as the 1930s.
These studies illustrate that a human - induced climate change signal is identifiable in many different variables and geographic regions, and that the climate system is now telling us an internally - and physically - consistent story.
The research in Nature Climate Change signals that many climate models may be too conservative in their projections through this century, as they are not considering ice loss from the northeast portion of Greenland.
«Scientists have paid a lot of attention to potential climate change signals in forests — like them growing faster than expected due to an overabundance of carbon dioxide, or slower due to climate change - induced extreme temperatures.
The intense wildfire activity in California in 2014 was another extremely complex topic that researchers delved into, finding that while they couldn't pick out any direct climate change signal in that year's fires, warming is likely to exacerbate future fire risk.
These experiments provide a large number of samples with thousands of years of virtual climate, which allows us to distill climate change signals.
While rainfall in the region is consistent with the emerging El Niño, the unprecedented amounts suggest a possible climate change signal, where a warming atmosphere becomes more saturated with water vapor and capable of previously unimagined downpours.
Scientists say the record drought is due in part to the expansion of the Hadley Cell — the atmospheric regions on both sides of the equator that circulates warm tropical air poleward — which is known climate change signal.
As a result, those who are not aware of such climate change signals and do not integrate this information into decision - making, risk building back communities that are not resilient to future extreme weather events.
Glaciers have long been observed as sensitive and reliable indicators of climate and to have a maximum climate change signaling effect.
It is a simple way to monitor the overall consistency between the evolving climate change signal, individual countries» pledges and the overall goal of achieving net zero CO2 emissions by the time we reach 2 °C of human - related warming.
The scientists warn that shifts in flood timing could have considerable economic and environmental consequences, and say their continental - wide observations «also enable the identification of a clear climate change signal that could not be obtained by earlier studies based on flood magnitude data.»
While the CERES instruments are the most accurate broadband instruments yet flown, they are still not accurate enough to observe the subtle but critical decadal climate change signals unless the instruments are overlapped for at least 6 months in orbit according to the GCOS climate - monitoring principles.13 For this reason it is crucial that measurement record gaps are avoided.
They conclude that uncertainties should be taken into account to prevent biased or wrong conclusions and that removing internally generated climate variability by incorporating atmospheric or oceanographic information helps to uncover externally forced climate change signals.
Beginning with a pilot project in the Southwest, USHCN - M stations will be deployed at a 100 km spatial resolution to provide for the detection of regional climate change signals.
Legates, D. R. and R. E. Davis, The continuing search for an anthropogenic climate change signal: limitations of correlation based approaches, Geophys.
Mr Scaife told the BBC: «What's happened now is that La Nina has come along and depressed temperatures slightly but these changes are very small compared to the long - term climate change signal, and in a few years time we are confident that the current record temperature of 1998 will be beaten when the La Nina has ended.»
Treating different GCM simulations in this way, i.e., as members of a multi-model ensemble, is one way of defining a more robust climate change signal, either for use in pattern - scaling techniques or directly in constructing a climate scenario.
Short - term natural climate variations could also affect the long - term human - induced climate change signal and vice-versa, because climate variations on different space and timescales can interact with one another.
One of the major problems, as Latif explained, is that there are just very few long - term oceanic measurements, thereby complicating the analysis and interpretation of climate change signals.
«We do see a climate change signal in the fire seasons we're having,» said Jennifer Jones, a public affairs specialist with the Forest Service's office of fire and aviation management.
So it's often tricky to try to separate out the climate change signal from what might be a host of other things relating to how we manage crops and livestock.
«It's also possible that the given tools we have today can't find this climate change signal
One area where a climate change signal is apparent, said Hoerling, is in extreme high temperatures.
The new paper is unique for showing that the climate change signal is constant across decades, said John Fasullo, a climate scientist at the National Center for Atmospheric Research and author of the earlier Australia study.
«This is important for regional planning, because it allows policymakers to identify places where climate change dominates the observed sea level rise and places where the climate change signal is masked by shorter - term regional variability caused by natural ocean climate cycles.»
Although one low year is not enough to tell if the sign of the trend is changing it is may be a sign that the climate change signal is starting to emerge from the noise of natural variability.
«The fact that a climate change signal could still be discerned during such an event is noteworthy to be sure.»
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