Sentences with phrase «tropical ocean surface temperature»

If surface temperature is what we care about, and the surface forcing in the tropics is very small, and the tropical ocean surface temperature being more dominated by evaporation than longwave flux, well isn't this more relevant to the problem at hand than the tropospheric radiation balance?

In the September's issue of the journal Science, Peter Webster and Judith Curry documented a 60 percent global jump in major hurricanes with winds of 131 mph or more and a 1 - degree increase in the tropical ocean surface temperature.

Not exact matches

The finding surprised the University of Arizona - led research team, because the sparse instrumental records for sea surface temperature for that part of the eastern tropical Pacific Ocean did not show warming.

The research, an analysis of sea salt sodium levels in mountain ice cores, finds that warming sea surface temperatures in the tropical Pacific Ocean have intensified the Aleutian Low pressure system that drives storm activity in the North Pacific.

Both the 2005 and 2010 droughts were the result of a «very, very unusual» weather pattern linked to higher sea surface temperatures in the Atlantic Ocean, said lead author Simon Lewis, a tropical forests expert at the University of Leeds.

As of March 2013, surface waters of the tropical north Atlantic Ocean remained warmer than average, while Pacific Ocean temperatures declined from a peak in late fall.

The new analysis combines sea - surface temperature records with meteorological station measurements and tests alternative choices for ocean records, urban warming and tropical and Arctic oscillations.

El Niño has helped to boost temperatures this year, as it leads to warmer ocean waters in the tropical Pacific, as well as warmer surface temperatures in many other spots around the globe, including much of the northern half of the U.S..

The underlying pattern in this year's fire forecast is driven by the fact that the western Amazon is more heavily influence by sea surface temperatures in the tropical Atlantic, and the eastern Amazon's fire severity risk correlates to sea surface temperature changes in the tropical Pacific Ocean.

To develop the model, they compared historic fire data from NASA's Terra satellite with sea surface temperature data in the tropical Pacific and North Atlantic oceans from buoys and satellite images compiled by the National Oceanic and Atmospheric Administration.

Sea surface temperatures in the tropical Atlantic and tropical Pacific oceans three to six months before the peak of fire season are strongly correlated with total fire activity.

Previous studies have hypothesized that the North Pacific atmospheric ridge is caused by increased ocean surface temperatures and movement of heat in the tropical Pacific.

They found increases in sea surface temperature and upper ocean heat content made the ocean more conducive to tropical cyclone intensification, while enhanced convective instability made the atmosphere more favorable for the growth of these storms.

The most recent observations of sea surface temperatures across the tropical Pacific Ocean (top) and how different those temperatures are from normal (bottom).

During El Nino events the ocean circulation changes in such a way as to cause a large and temporary positive sea surface temperature anomaly in the tropical Pacific.

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).

Cooler than normal sea surface temperatures (blue shades) were developing in the tropical Pacific Ocean during October, signaling the possible development of La Nina.

The graph below shows the strong statistical relationship between annual CO2 rise and the strength of El Niño and La Niña, as quantified by sea surface temperatures in the tropical east Pacific ocean.

Chelliah and Bell (2004) defined a tropical multi-decadal pattern related to the AMO, the PDO and winter NAO with coherent variations in tropical convection and surface temperatures in the West African monsoon region, the central tropical Pacific, the Amazon Basin and the tropical Indian Ocean.

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.

La Niña is the positive phase of the El Niño Southern Oscillation and is associated with cooler than average sea surface temperatures in the central and eastern tropical Pacific Ocean.

There are also plenty of examples where models have correctly suggested that different data sets were inconsistent (satellite vs. surface in the 1990s, tropical ice age ocean temperatures vs. land temperatures in the 1980s etc.) which were resolved in favor of the models.

And no, there is no huge plunge in tropical or global surface air temperatures when the ocean circulation spins up because there is a near - compensating decrease in poleward heat transport via the atmospheric circulation.

A good explanation of the details is provided here: Koll & Abbot (2013)-- Why Tropical Sea Surface Temperature is Insensitive to Ocean Heat Transport Changes.

Higher surface water temperatures in the tropical oceans mean more energy radiating into the atmosphere to drive tropical storm systems, leading to more - destructive storms.

I've been looking at the Hansen material which involves tropical oceans and have had occasion to review some of the temperature data sets, including Agudelho and Curry, which is an interesting and useful comparison of satellite and surface trends — a topic in the air from the US CCSP report.

Subsequently, climate change has been greatly affected as Antarctic Intermediate Water have cooled and exerted a tremendous effect on tropical sea surface temperatures for millions of years via «ocean tunneling».

Location of the stations used for the Southern Oscillation Index (Tahiti and Darwin, black dots), the Equatorial Southern Oscillation Index (eastern equatorial Pacific and Indonesia regions, outlined in blue), and the Niño3.4 region in the east - central tropical Pacific Ocean for sea surface temperature (red dashed line).

The evolution of El Niño - Southern Oscillation (ENSO) variability can be characterized by various ocean - atmosphere feedbacks, for example, the influence of ENSO related sea surface temperature (SST) variability on the low - level wind and surface heat fluxes in the equatorial tropical Pacific, which in turn affects the evolution of the SST.

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.

[26] The surface waters of the northernmost [27] Arctic Ocean warmed, seasonally at least, enough to support tropical lifeforms [28] requiring surface temperatures of over 22 °C (72 °F).

The tropics are a region of heat gain for the globe: Tropical ocean sea surface temperatures influence atmospheric circulation, which redistributes heat and moisture from the tropics around the world.

A regional climate model study examines the influence of warm ocean surface temperatures in the eastern tropical Atlantic in summer to see what an increase of a few degrees Celsius does to rainfall.

Climate models surveyed by the Bureau of Meteorology have increased their chances of sea surface temperatures in the tropical Pacific Ocean remaining at neutral levels, though still warmer than average, for the remainder of 2012.

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.

«The authors write that «the notorious tropical bias problem in climate simulations of global coupled general circulation models manifests itself particularly strongly in the tropical Atlantic,»... they state that «the climate bias problem is still so severe that one of the most basic features of the equatorial Atlantic Ocean — the eastward shoaling thermocline — can not be reproduced by most of the IPCC assessment report models,... as they describe it, «show that the bias in the eastern equatorial Atlantic has a major effect on sea - surface temperature (SST) response to a rapid change in the Atlantic Meridional Overturning Circulation (AMOC).»

The data indicate the sea surface temperatures of the tropical oceans warmed at a not - very - alarming rate of 0.11 deg C / decade, while the models indicate that, if the surfaces of the tropical oceans were warmed by manmade greenhouse gases, they should have warmed at almost 2 times that rate, at 0.22 deg C / decade.

It should come as no surprise that the models did overestimate the warming of the sea surface temperatures of the tropical oceans over the past 30 years.

And of course, for the tropical oceans, the model - simulated ocean surface temperatures are too warm by about 0.9 deg C.

Furthermore, the surface temperatures of the warmest tropical oceans seldom exceed 30C and for millions of years the underlying cold sub-surface waters have provided a powerful thermal buffer to warming.

Ocean Thermal Energy Conversion (OTEC) uses the temperature difference between the warm tropical surface water and the cooler, deep water in the ocean to generate enOcean Thermal Energy Conversion (OTEC) uses the temperature difference between the warm tropical surface water and the cooler, deep water in the ocean to generate enocean to generate energy.

The average sea surface temperature for December to February was 0.84 C above the 20th century average of 15.8 C, with record highs for large swaths of the tropical Pacific Ocean (5), various regions of the North and South Atlantic, much of the Indian Ocean, and the Barents Sea in the Arctic (6).

This created a qualitative transformation in Homo sapiens» impact on earth system trends: levels of carbon dioxide, nitrous oxide, methane, stratospheric ozone, surface ocean temperature, ocean acidification, marine fish capture, coastal nitrogen, tropical forest depletion, land domestication and terrestrial biosphere degradation.

It is characterized by variations in the temperature of the surface of the tropical eastern Pacific Ocean — warming or cooling known as El Niño and La Niña respectively

This basin - wide change in the Atlantic climate (both warming and cooling) induces a basin - scale sea surface temperature seesaw with the Pacific Ocean, which in turn modifies the position of the Walker circulation (the language by which the tropical basins communicate) and the strength of the Pacific trade winds.

It's a mode of natural variation in the tropical eastern Pacific ocean which is indicated by sea surface temperature in that region, as well as patterns of atmospheric pressure, surface winds over the ocean, even precipitation over a much larger region.

Hybrid storms and climate change: Sandy, continues Emanuel, is a «hybrid storm» — in other words, it has characteristics of tropical cyclones (hurricanes) that get their energy from the warm ocean surface, but also of winter cyclones that get their energy from temperature contrasts in the atmosphere.

The large interannual to decadal hydroclimatic variability in winter precipitation is highly influenced by sea surface temperature (SST) anomalies in the tropical Pacific Ocean and associated changes in large - scale atmospheric circulation patterns [16].

The major climate system indices that are operationally used at ICPAC include evolution of monsoons, medium and upper level winds, Madden - Julian Oscillation (MJO), Quasi Biennial Oscillation (QBO), El Niño Southern Oscillation, Indian Ocean dipole (IOD), tropical cyclones, sea surface temperature gradients among many others that have been derived from general circulation.

They compared their storm surge index to changes in global surface temperature, to temperatures in the Main Development Region (MDR; a part of the Atlantic Ocean where most hurricanes form), and to MDR warming relative to the tropical mean temperatures (rMDR).