Warm ocean surface temperatures are shown in red, cooler waters in blue.
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.
Characterized by unusually
warm ocean surface temperatures
Warmer air can carry more moisture, which can lead to more extreme rainfall events, and
warmer ocean surface temperatures are known to intensify the most powerful hurricanes.
Previous research has also shown that
warmer ocean surface temperatures fuel more powerful storms.
The warmer ocean surface temperatures impact corals and alter coral reef communities by prompting coral bleaching events and altering ocean chemistry.
Not exact matches
While this is bad news for the planet, it's good news for climate change scientists who have — for the last two decades — puzzled over
warming trends in
ocean surface temperatures for nearly 20 years.
According to a big chunk of
ocean surface temperature recorded by boat, the
oceans were not
warming nearly as quickly as the rest of the planet.
Evidence from the National Aeronautics and Space Administration (NASA) shows that global sea levels in the last two decades are rising dramatically as
surface temperatures warm oceans and...
The floods have been triggered by the weather event known as El Nino, a
warming of
surface temperatures in the Pacific
Ocean that wreaks havoc on weather patterns every few years.
Those weather patterns are linked to
warmer surface temperatures in the Pacific and Atlantic
oceans, respectively, and correlated with the timing of observed floods on the lower Mississippi.
When
ocean cycle shifts, globe is likely to
warm up When climate models were run that included the stronger winds, they were able to reproduce the slowdown in
surface temperatures.
Higher sea
surface temperatures led to a huge patch of
warm water, dubbed «The Blob,» that appeared in the northern Pacific
Ocean more than two years ago.
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.
Studies of historical records in India suggest that reduced monsoon rainfall in central India has occurred when the sea
surface temperatures in specific regions of the Pacific
Ocean were
warmer than normal.
Analyzing data collected over a 20 - month period, scientists from NASA's Goddard Space Flight center in Greenbelt, Md., and the Massachusetts Institute of Technology found that the number of cirrus clouds above the Pacific
Ocean declines with
warmer sea
surface temperatures.
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.
They pointed to a
warmer atmosphere, which carries more water vapor to worsen rainstorms, as well as to higher
ocean surface temperatures, which intensify hurricanes.
Ocean Only: The global ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only
Ocean Only: The global
ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second warmest such period on record, behind only
ocean surface temperature for the year to date was 0.99 °F (0.55 °C) above average, tying with 2010 as the second
warmest such period on record, behind only 1998.
The wind keeps a layer of
warm water near the
surface in Indonesia, reducing the
temperature difference across the Indian
Ocean and so minimising the strength of positive IOD events.
The visualization shows how the 1997 event started from colder - than - average sea
surface temperatures — but the 2015 event started with
warmer - than - average
temperatures not only in the Pacific but also in in the Atlantic and Indian
Oceans.
Ocean Thermal Energy Conversion A technology using the temperature difference between cold, deep ocean waters and warmer surface waters to generate electri
Ocean Thermal Energy Conversion A technology using the
temperature difference between cold, deep
ocean waters and warmer surface waters to generate electri
ocean waters and
warmer surface waters to generate electricity.
The area boasts the world's
warmest ocean temperatures and vents massive volumes of
warm gases from the
surface high into the atmosphere, which may shape global climate and air chemistry enough to impact billions of people worldwide.
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.
The El Nino weather pattern is a
warming of
ocean surface temperatures in the eastern and central Pacific and usually brings hot, dry, and often drought conditions to Australia.
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..
Invasive species are entering the region with or without shipping, says Ted Scambos of the National Snow and Ice Data Center in Colorado;
warming of the Arctic
Ocean's
surface temperatures has already increased mixing with foreign waters and all the microbes they contain.
Sea
surface temperatures in the Pacific
Ocean are
warmer than normal — El Niño conditions — which suppress rainfall in the eastern Amazon.
The study marks the first time that human influence on the climate has been demonstrated in the water cycle, and outside the bounds of typical physical responses such as
warming deep
ocean and sea
surface temperatures or diminishing sea ice and snow cover extent.
The CPC officially considers it an event when the sea
surface temperatures in a key region of the
ocean reach at least 0.5 °C, or about 1 °F,
warmer than average.
El Niño is characterized by a large area of
warmer - than - average
ocean surface temperatures in the central and eastern Pacific.
The effects of wind changes, which were found to potentially increase
temperatures in the Southern
Ocean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the ocean warming that's being caused by the heat - trapping effects of greenhouse g
Ocean between 660 feet and 2,300 feet below the
surface by 2 °C, or nearly 3.6 °F, are over and above the
ocean warming that's being caused by the heat - trapping effects of greenhouse g
ocean warming that's being caused by the heat - trapping effects of greenhouse gases.
With higher levels of carbon dioxide and higher average
temperatures, the
oceans»
surface waters
warm and sea ice disappears, and the marine world will see increased stratification, intense nutrient trapping in the deep Southern
Ocean (also known as the Antarctic
Ocean) and nutrition starvation in the other
oceans.
With ENSO - neutral conditions present during the first half of 2013, the January — June global
temperature across land and
ocean surfaces tied with 2003 as the seventh
warmest such period, at 0.59 °C (1.06 °F) above the 20th century average.
However, for the globe as a whole,
surface air
temperatures over land have risen at about double the
ocean rate after 1979 (more than 0.27 °C per decade vs. 0.13 °C per decade), with the greatest
warming during winter (December to February) and spring (March to May) in the Northern Hemisphere.
Surface temperature is only a small fraction of our climate with most of global
warming going into the
oceans.
The reason could be linked to rising sea
surface temperatures — fueled in part by global
warming — as seen in
ocean buoy data collected along the U.S. coast.
For the change in annual mean
surface air
temperature in the various cases, the model experiments show the familiar pattern documented in the SAR with a maximum
warming in the high latitudes of the Northern Hemisphere and a minimum in the Southern
Ocean (due to ocean heat uptak
Ocean (due to
ocean heat uptak
ocean heat uptake)(2)
The observed fact that
temperatures increases slower over the
oceans than over land demonstrates that the large heat capacity of the
ocean tries to hold back the
warming of the air over the
ocean and produces a delay at the
surface but nevertheless the atmosphere responds quit rapidly to increasing greenhouse gases.
More than 90 % of global
warming heat goes into
warming the
oceans, while less than 3 % goes into increasing the atmospheric and
surface air
temperature.
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).
Note the more spatially uniform
warming in the satellite tropospheric record while the
surface temperature changes more clearly relate to land and
ocean.
Warming has occurred in both land and
ocean domains, and in both sea
surface temperature (SST) and nighttime marine air
temperature over the
oceans.
The
oceans are heating up: Not only was Earth's
temperature record
warm in 2014, but so were the global
oceans, as sea
surface temperatures and the heat of the upper
oceans also hit record highs.
Naturally occurring interannual and multidecadal shifts in regional
ocean regimes such as the Pacific El Niño - Southern Oscillation, the North Atlantic Oscillation, and the Atlantic Multidecadal Oscillation, for example, are bimodal oscillations that cycle between phases of
warmer and cooler sea
surface temperatures.
Some may even still have magma
oceans today, whether because they are so close to their stars that silicate vaporizes at the equilibrium
temperatures or through massive greenhouse
warming of their
surfaces.
The research published in Nature Communications found that in the past, when
ocean temperatures around Antarctica became more layered - with a
warm layer of water below a cold
surface layer - ice sheets and glaciers melted much faster than when the cool and
warm layers mixed more easily.
With the contribution of such record warmth at year's end and with 10 months of the year record
warm for their respective months, including the last 8 (January was second
warmest for January and April was third
warmest), the average global
temperature across land and
ocean surface areas for 2015 was 0.90 °C (1.62 °F) above the 20th century average of 13.9 °C (57.0 °F), beating the previous record warmth of 2014 by 0.16 °C (0.29 °F).
The warmth was due to the near - record strong El Niño that developed during the Northern Hemisphere spring in the eastern and central equatorial Pacific
Ocean and to large regions of record warm and much warmer - than - average sea surface temperatures in parts of every major ocean b
Ocean and to large regions of record
warm and much
warmer - than - average sea
surface temperatures in parts of every major
ocean b
ocean basin.