Sentences with phrase «tmpa over the tropical oceans»

«Previous research strongly suggested the atmospheric response to ENSO would intensify over the tropical ocean as the world warmed,» said lead author and PhD student from the University of New South Wales Sarah Perry.
In Relationships between Water Vapor Path and Precipitation over the Tropical Oceans, Bretherton et al showed that although the Western Pacific warmer surface waters increased the water in the atmosphere compared to the Eastern Pacific, rainfall was lower in the Western Pacific compared to the Eastern Pacific for equal amounts of water vapor in the atmospheric column — e.g., about 10mm / day in the Western Pacific, versus ~ 20mm / day in the Eastern Pacific at 55 mm water vapor, the peak of the distribution of water vapor amounts.
If precipitation increases over the tropical oceans, more than evaporation increases, the sea water salinity could decrease.
Projections differ widely among climate models, and differences in the solar reflection by low clouds over tropical oceans account for much of the spread in climate projections across current models.
Key factors expected to influence the regional climate during the OND 2016 season include the evolution of Sea Surface Temperature (SST) anomalies over the tropical Oceans.
There's an even quicker - acting possibility for negative feedback: More warming might create more clouds over the tropical oceans, their whiteness reflecting more of the sun's heat back into space and thereby cooling things somewhat.
For modeled H2Os, the mean values over tropical oceans range from ∼ 1 % to 2 × of the observations in the UT and within 10 % of the observations in the L / MT....
By international agreement, the term tropical cyclone is used by most nations to describe hurricane - like storms that originated over tropical oceans.
The modeled mean CWCs [cloud water] over tropical oceans range from ∼ 3 % to ∼ 15 × of the observations in the UT and 40 % to 2 × of the observations in the L / MT.
So something less than 1 m / s in velocity of atmospheric gas molecules may be occurring in tropical ocean area [and a lot of the earth's atmosphere is over the the tropical oceans].
By examining the spatial pattern of both types of climate variation, the scientists found that the anthropogenic global warming signal was relatively spatially uniform over the tropical oceans and thus would not have a large effect on the atmospheric circulation, whereas the PDO shift in the 1990s consisted of warming in the tropical west Pacific and cooling in the subtropical and east tropical Pacific, which would enhance the existing sea surface temperature difference and thus intensify the circulation.
«Assessing Impacts of PBL and Surface Layer Schemes in Simulating the Surface — Atmosphere Interactions and Precipitation over the Tropical Ocean Using Observations from AMIE / DYNAMO.»
This type of precipitation is very common from shallow cumulus clouds over tropical oceans.
We can see radiation only accounts for a small portion over the tropical oceans — about 40W / m2 out of 200w / m2 total.
Correlations between ERA - Interim and TMPA over the tropical oceans are quite high where precipitation is high.
The previous and present models do project the possibility of a hiatus in warming, most commonly because increased wind shear over tropical oceans can transfer more energy into the oceans especialy during the La Nina phase of the ENSO cycle.
We also show that the new dataset is consistent with long - term changes in total column water vapor over the tropical oceans, lending support to its long - term accuracy.
Brient Alb is based on the correlation in CMIP5 models between ECS, and the relationship of shortwave (SW) reflection by low clouds over tropical oceans (TLC) with SST.
Hurricanes can be thought of, to a first approximation, as a heat engine; obtaining its heat input from the warm, humid air over the tropical ocean, and releasing this heat through the condensation of water vapor into water droplets in deep thunderstorms of the eyewall and rainbands, then giving off a cold exhaust in the upper levels of the troposphere (~ 12 km / 8 mi up).

Not exact matches

University of Washington oceanographers used clues from the Galapagos Islands — a dot in the middle of the Pacific Ocean — to trace El Niño patterns and seasonal tropical rains over the past 2,000 years.
In studying the way that tropical storms in turn affect ocean currents, Emanuel developed a measure, or metric, of the power released by a storm over its lifetime.
Over the years, Irvine and Scott drifted into other career paths — Irvine now designs health - related software in Oregon, and Scott studies various species of dolphins in the eastern Pacific Ocean for the InterAmerican Tropical Tuna Commission.
Last year, Hurricane Matthew rapidly intensified from a tropical storm to hurricane status as it moved over the Caribbean Sea in the location where a warm ocean eddy exists, and in close proximity to where these measurements were taken for this study two years prior.
A new analysis using changes in cloud cover over the tropical Indo - Pacific Ocean showed that a weakening of a major atmospheric circulation system over the last century is due, in part, to increased greenhouse gas emissions.
Satellite observations from GPM, like its satellite predecessor the Tropical Rainfall Measuring Mission, are vital because they can measure rain accumulation over oceans, where the majority of rainfall occurs.
Hurricanes, the largest and most damaging weather events, peak in late autumn, when winds coming off the coast of West Africa meet thunderstorms clustered over the warm tropical ocean.
With the sun continuing to heat the ocean water at the tropical latitudes regardless of ice cap conditions up north, it would seem that the presence of an ice cap would result in a warmer ocean over the long term, with the converse also being true.
Hurricanes and tropical cyclones become up to 50 percent more intense when passing over oceans inundated with fresh water
A well - known issue with LGM proxies is that the most abundant type of proxy data, using the species composition of tiny marine organisms called foraminifera, probably underestimates sea surface cooling over vast stretches of the tropical oceans; other methods like alkenone and Mg / Ca ratios give colder temperatures (but aren't all coherent either).
«[B] y making use of 21 CMIP5 coupled climate models, we study the contribution of external forcing to the Pacific Ocean regional sea level variability over 1993 — 2013, and show that according to climate models, externally forced and thereby the anthropogenic sea level fingerprint on regional sea level trends in the tropical Pacific is still too small to be observable by satellite altimetry.»
To the extent that these are controlled by ocean temperatures they are likely to be related to differential changes in ocean temperature and not simply local absolute temperatures over the tropical Atlantic.
Cooling sea - surface temperatures over the tropical Pacific Ocean — part of a natural warm and cold cycle — may explain why global average temperatures have stabilized in recent years, even as greenhouse gas emissions have been warming the planet.
In any year, temperatures around the world can be nudged up or down by short - term factors like volcanic eruptions or El Ninos, when warm water spreads over much of the tropical Pacific Ocean.
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