Sentences with phrase «of sea surface temperature change»

Regional patterns of sea surface temperature change: a source of uncertainty in future projections of precipitation and atmospheric circulation.
The Atlantic Multidecadal Oscillation (AMO) is a naturally occurring pattern of sea surface temperature change that is seen in the North Atlantic Ocean on decadal timescales and affects weather and climate.

Not exact matches

One of the subtle changes visible in the new data - set is how the Amazon's greenness corresponds to one of the long - known causes of rainfall or drought to the Amazon basin: changes in sea surface temperatures in the eastern Pacific Ocean, called the El Nino Southern Oscillation.
Using records dating back to 1855, hurricane researchers say they have uncovered an ongoing rise in the number of Atlantic hurricanes that tracks the increase in sea surface temperature related to climate change.
This is a strong indication that agriculture, and not changing sea surface temperature, caused the regional changes in climate during the last third of the 20th century, the researchers say.
Sea - surface temperature is an important driver of the weather, and because the oceans change temperature very slowly compared with the air and land, they form a key, predictable component of seasonal forecasts.
Several studies linked this to changes in sea surface temperatures in the western Pacific and Indian Oceans, but it was not clear if this was part of a long - term trend.
While natural climate variations like El Niño do affect the frequency and severity of heat waves from one year to the next, the study suggests the increases are mainly linked to long - term changes in sea surface temperatures.
Beyond human activity, tropical sea surface temperatures further back in time are affected by volcanic eruptions, changes in the intensity of sunlight and natural events like El Niño.
Taking factors such as sea surface temperature, greenhouse gases and natural aerosol particles into consideration, the researchers determined that changes in the concentration of black carbon could be the primary driving force behind the observed alterations to the hydrological cycle in the region.
The results suggest that the impact of sea ice seems critical for the Arctic surface temperature changes, but the temperature trend elsewhere seems rather due mainly to changes in ocean surface temperatures and atmospheric variability.
Kevin Trenbeth, a climate scientist at the National Center for Atmospheric Research in Boulder, Colo., said the study didn't account for changes in sea surface temperatures, which are the main drivers of changes in the position of the rain belts (as is seen during an El Nino event, when Pacific warming pushes the subtropical jet over the Western U.S. southward).
Of course, while short - term changes in sea level can be predicted fairly accurately based on the motions of the moon and sun, it is a lot harder predicting the ups and downs of the average global surface temperature — there is a lot of noise, or natural variation, in the systeOf course, while short - term changes in sea level can be predicted fairly accurately based on the motions of the moon and sun, it is a lot harder predicting the ups and downs of the average global surface temperature — there is a lot of noise, or natural variation, in the systeof the moon and sun, it is a lot harder predicting the ups and downs of the average global surface temperature — there is a lot of noise, or natural variation, in the systeof the average global surface temperature — there is a lot of noise, or natural variation, in the systeof noise, or natural variation, in the system.
Ajay Kalra of the Desert Research Institute in Las Vegas has identified several regions of the Pacific Ocean where changes in sea surface temperature appear to be statistically linked to the Colorado River's streamflow.
In recent years, a brand of research called «climate attribution science» has sprouted from this question, examining the impact of extreme events to determine how much — often in fractional terms — is related to human - induced climate change, and how much to natural variability (whether in climate patterns such as the El Niño / La Niña - Southern Oscillation, sea - surface temperatures, changes in incoming solar radiation, or a host of other possible factors).
The data, in the form of infrared images of the Earth's surface, is used to detect changes in sea surface temperatures for research -LSB-...]
The team analyzed an index of sea surface temperatures from the Bering Sea and found that in years with higher than average Arctic temperatures, changes in atmospheric circulation resulted in the aforementioned anomalous climates throughout North Amerisea surface temperatures from the Bering Sea and found that in years with higher than average Arctic temperatures, changes in atmospheric circulation resulted in the aforementioned anomalous climates throughout North AmeriSea and found that in years with higher than average Arctic temperatures, changes in atmospheric circulation resulted in the aforementioned anomalous climates throughout North America.
There are strong competing effects such as changes in the large - scale atmospheric circulation, sea surface temperature changes like El Niño and La Niña and the dynamics of westerly storm tracks that all interact at the mid-latitudes,» said Stanford co-author Matthew Winnick who contributed to the study with fellow doctoral student Daniel Ibarra.
The study stops short of attributing California's latest drought to changes in Arctic sea ice, partly because there are other phenomena that play a role, like warm sea surface temperatures and changes to the Pacific Decadal Oscillation, an atmospheric climate pattern that typically shifts every 20 to 30 years.
The first image, based on data from January 1997 when El Nio was still strengthening shows a sea level rise along the Equator in the eastern Pacific Ocean of up to 34 centimeters with the red colors indicating an associated change in sea surface temperature of up to 5.4 degrees C.
Sea surface temperatures are higher because of climate change, he said, adding about 5 to 10 percent to precipitation levels.
Changes in the temperature of the sea surface in the Indian and Atlantic Oceans are linked to the pattern of rainfall over parts of the surrounding continents.
Here, we report on local and global changes in MHW characteristics over time as recorded by satellite and in situ measurements of sea surface temperature (SST) and defined using a quantitative MHW framework, which allows for comparisons across regions and events1.
Consistent with observed changes in surface temperature, there has been an almost worldwide reduction in glacier and small ice cap (not including Antarctica and Greenland) mass and extent in the 20th century; snow cover has decreased in many regions of the Northern Hemisphere; sea ice extents have decreased in the Arctic, particularly in spring and summer (Chapter 4); the oceans are warming; and sea level is rising (Chapter 5).
This simulation represents how sea surface temperature changes evolve as a hurricane (seen here approaching the U.S. East Coast) moves across the Atlantic and how the resultant cold wake affects subsequent intensification of the next hurricane.
The interaction of the ocean and atmosphere means that these changes in sea surface temperatures are translated into changes in wind direction and strength.
Long - term (decadal and multi-decadal) variation in total annual streamflow is largely influenced by quasi-cyclic changes in sea - surface temperatures and resulting climate conditions; the influence of climate warming on these patterns is uncertain.
By plotting the anomaly temperatures, scientists can obtain a precise idea of the intensity of change in sea - surface temperatures.
Scientists use a large drill to remove parts of the coral to analyse for information about changes in rainfall and sea surface temperature.
They wrote that their comparisons of sea - level pressures, sea - surface temperatures and land - based air temperatures provided «consistent evidence for strong» regulation of temperatures by changes in ocean cycles «from monthly to century time scales.»
For significant periods of time, the reconstructed large - scale changes in the North Pacific SLP field described here and by construction the long - term decline in Hawaiian winter rainfall are broadly consistent with long - term changes in tropical Pacific sea surface temperature (SST) based on ENSO reconstructions documented in several other studies, particularly over the last two centuries.
Thousands of studies conducted by researchers around the world have documented changes in surface, atmospheric, and oceanic temperatures; melting glaciers; diminishing snow cover; shrinking sea ice; rising sea levels; ocean acidification; and increasing atmospheric water vapor.
Sea surface temperature change after doubling of atmospheric CO2 concentration in a scenario where CO2 increases by 1 % every year.
This seems to be associated with particular patterns of change in sea surface temperature in the Atlantic and Pacific oceans, a teleconnection which is well - captured in climate models on seasonal timescales.
In this special edition, David Parker, Chief Executive of the UK Space Agency, and Christopher Merchant from the University of Reading and science leader of the Climate Change Initiative's sea - surface temperature project, join the show to discuss climate research in the UK.
Moreover, warmer sea surface temperatures may change the frequency and intensity of those storms.
Climate change made it 175 times more likely that the surface waters of the Coral Sea, which off the Queensland coastline is home to Australia's Great Barrier Reef, would reach the record - breaking temperatures last month that bleached reefs, modeling analysis showed.
In contrast to historical droughts, future drying is not linked to any particular pattern of change in sea surface temperature but seems to be the result of an overall surface warming driven by rising greenhouse gases.
And of course the new paper by Hausfather et al, that made quite a bit of news recently, documents how meticulously scientists work to eliminate bias in sea surface temperature data, in this case arising from a changing proportion of ship versus buoy observations.
Past summer, extratropical temperature changes appear, for example, to have have differed significantly from annual temperature changes over the entire (tropical and extratropical) Northern Hemisphere, and tropical Pacific Sea Surface Temperatures appear to have varied oppositely with temperatures in the extratropical regions oTemperatures appear to have varied oppositely with temperatures in the extratropical regions otemperatures in the extratropical regions of the globe.
As the authors point out, even if the whole story comes down to precipitation changes which favor ablation, the persistence of these conditions throughout the 20th century still might be an indirect effect of global warming, via the remote effect of sea surface temperature on atmospheric circulation.
A conceptual model is presented where, through a number of synergistic processes and positive feedbacks, changes in the ultraviolet / blue flux alter the dimethyl sulphide flux to the atmosphere, and in turn the number of cloud condensation nuclei, cloud albedo, and thus sea surface temperature.
It is widely realized that WWii saw changes in the construction of sampling buckets for sea surface temperature measurement, and many navies switching to water intake temperatures in compiling data from ships at sea.
However, changes in the distribution of snowfall through the year, conceivably linked to increases in sea surface temperature, may have reduced the reflectivity of the glacier and played an even bigger role in forcing the retreat than changes in air temperature alone.
The problem here is that estimates of changes in sea surface temperature and the depth of the warm mixed layer might be very unreliable, since the general behavior of the Atlantic circulation is only now being directly observed — and the most recent findings are that flow rates vary over a whole order of magnitude:
On Wednesday an interesting paper (Thompson et al) was published in Nature, pointing to a clear artifact in the sea surface temperatures in 1945 and associating it with the changing mix of fleets and measurement techniques at the end of World War II.
Please don't lose the bigger perspective and the undoubted effects of high sea surface temperatures, of which a component is human induced climate change, on these events.
Changes here have a long term effect, affecting the strength of the north - ward horizontal flow of the Atlantic's upper warm layer, thereby altering the oceanic poleward heat transport and the distribution of sea surface temperature (SST — AMO), the presumed source of the (climate) natural variability.
«West Coast sea surface and coastal air temperatures evolved in lockstep with changing patterns of atmospheric pressure and winds.»
The difference in the LGM cooling seems to be mostly due to smaller estimates of SST [sea surface temperature] change (i.e., the new MARGO reconstruction).
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