First, they focus
on ocean surface temperature measurements from floating buoys and from ship - board sensors.
Tamsin Edwards, a climatologist at the Open University in the UK, says it is too early to tell, since changes in the PDO can only be detected through statistical analysis of large amounts of data
on ocean surface temperatures.
And, the massive plumes of China / India aerosols may be having some impact
on ocean surface temperatures east of the Date Line.
This forecast focuses
on the ocean surface temperatures between 5 ° N and 5 ° S latitude and 170 ° W to 120 ° W longitude, called the Niño 3.4 region.
Not exact matches
This will raise the
surface temperature on Earth, causing
oceans to evaporate faster, and extinguishing most, if not all, life
on Earth.
It is producing a «Submaran»: an unmanned device that can float
on the
surface of the
ocean and also drive 200 meters under the water to monitor pipelines, currents,
temperature or whatever a customer might want.
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.
That wind - driven circulation change leads to cooler
ocean temperatures on the
surface of the eastern Pacific, and more heat being mixed in and stored in the western Pacific down to about 300 meters (984 feet) deep, said England.
The Tibetan Plateau in China experiences the strongest monsoon system
on Earth, with powerful winds — and accompanying intense rains in the summer months — caused by a complex system of global air circulation patterns and differences in
surface temperatures between land and
oceans.
They include higher sea
surface temperatures over the Indian
Ocean, which can lead to greater rainfall over the sea rather than
on land.
Ocean currents affect the
surface temperature of the
oceans and thus the heat exchange with the atmosphere — eventually causing climate variations
on the adjacent continents.
This map shows the sea
surface temperatures around the Galapagos Islands and Cocos Island in the Pacific
Ocean on March 18, 2007.
But a reduction in the number and intensity of large hurricanes driving
ocean waters
on shore — such as this month's Hurricane Joaquin, seen, which reached category 4 strength — may also play a role by cooling sea -
surface temperatures that fuel the growth of these monster storms, the team notes.
The global average
temperature over land and
ocean surfaces for January to October 2014 was the highest
on record, according to the U.S. National Oceanic and Atmospheric Administration (NOAA).
Ocean Only: The August global sea
surface temperature was 1.17 °F (0.65 °C) above the 20th century average of 61.4 °F (16.4 °C), the highest
on record for August.
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.
Ocean Only: The June - August global sea
surface temperature was 1.13 °F (0.63 °C), above the 20th century average of 61.5 °F (16.4 °C), the highest for June - August
on record.
El Niño thus leaves its mark
on the Quelccaya ice cap as a chemical signature (especially in oxygen isotopes) indicating sea
surface temperatures in the equatorial Pacific
Ocean over much of the past 1,800 years.
Representation of the
temperatures on the
surface of the Atlantic
Ocean near the north - american coast.
If
ocean -
surface temperatures during the Eocene were
on the high end of what is suggested by paleo - climate records — 35 to 41 °C — then
temperatures in the interior of continents in the tropics would have been up to 10 °C higher.
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.
«Since oxygen concentrations in the
ocean naturally vary depending
on variations in winds and
temperature at the
surface, it's been challenging to attribute any deoxygenation to climate change.
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.
NOAA makes these projections based
on measurements of the
surface temperatures of the world's
oceans using satellites, predicting how those
temperatures will change.
The most important bias globally was the modification in measured sea
surface temperatures associated with the change from ships throwing a bucket over the side, bringing some
ocean water
on deck, and putting a thermometer in it, to reading the thermometer in the engine coolant water intake.
The January global land
surface temperature was also second highest
on record, while the global
ocean surface temperature was third highest.
To remove this difference in magnitude and focus instead
on the patterns of change, the authors scaled the vertical profiles of
ocean temperature (area - weighted with respect to each vertical
ocean layer) with the global
surface air
temperature trend of each period.
On a multi-decadal time scale the changes in
surface air
temperature and
ocean heat down to 700 metres are generally in phase too.
Across the world's
oceans, the September — November average sea
surface temperature was 0.84 °C (1.51 °F) above the 20th century average of 16.0 °C (60.7 °F), the highest for September — November
on record, surpassing the previous record set last year by 0.27 °C (0.15 °F).
Hotter air
on the Earth's
surface leads to higher
ocean temperatures, which causes
ocean expansion and sea level rise;
The Atlantic Multidecadal Oscillation (AMO), Pacific Decadal Oscillation (PDO), North Atlantic Oscillation (NAO), and El Niño - Southern Oscillation (ENSO) have all been found to significantly influence changes in
surface air
temperature and rainfall (climate)
on decadal and multi-decadal scales, and these natural
ocean oscillations have been robustly connected to changes in solar activity.
For the
oceans, the November global sea
surface temperature was 0.84 °C (1.51 °F) above the 20th century average of 15.8 °C (60.4 °F), the highest for November
on record, surpassing the previous record set last year by 0.20 °C (0.36 °F).
Surface ocean temperatures along the West Coast have a strong influence
on nearby land weather, affecting air
temperatures, and they are closely linked with daily fog coverage.
However, comparison of the global, annual mean time series of near -
surface temperature (approximately 0 to 5 m depth) from this analysis and the corresponding SST series based
on a subset of the International Comprehensive
Ocean - Atmosphere Data Set (ICOADS) database (approximately 134 million SST observations; Smith and Reynolds, 2003 and additional data) shows a high correlation (r = 0.96) for the period 1955 to 2005.
Similar to the March — May global land and
ocean surface temperature, the March — May land
surface temperature was also the fourth highest three - month departure from average for any three - month period
on record.
«2015 is likely to be the hottest year
on record with
ocean surface temperatures at the highest level since measurements began.
Since NOAA began keeping records in 1880, the combined global land and
ocean surface temperature was the warmest
on record for both April and for the period from January through April in 2010.
During the final month, the December combined global land and
ocean average
surface temperature was the highest
on record for any month in the 136 - year record.
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.
But then the effective heat capacity, the
surface temperature, depends
on the rate of mixing of the
ocean water and I have presented evidence from a number of different ways that models tend to be too diffusive because of numerical reasons and coarse resolution and wave parameter rise, motions in the
ocean.
At this time the E-W sea
surface temperature gradients in both the Pacific and Indian
Oceans increased [29], [31] intensifying the E-W moisture transport in the tropics, which greatly increased rainfall variability both
on a precession and an ENSO (El Niño Southern Oscillation) time - scales.
The satellites provide long - term, continuous information about what's happening
on the
ocean's
surface, recording sea level and
surface temperatures, for example.
Ray, I think Lee Grable's point is important: The fact that we use the term «global
temperature» to mean the average
temperature on a two - dimensional
surface rather than the three - dimensional
ocean plus land plus atmosphere system of the earth has the potential to allow confusion.
Burt Armstrong @ 16, you are very much
on the right track, but think more in terms of accumulating
ocean heat content and rising sea
surface temperatures.
-- The combined global land and
ocean average
surface temperature for the December — February period was 0.41 °C (0.74 °F) above the 20th century average of 12.1 °C (53.8 °F), making it the 17th warmest such period
on record and the coolest December — February since 2008.
The global
ocean surface temperature for the year to date was 0.34 °C (0.61 °F) above the 20th century average and was the 14th warmest such period
on record.
Lou Grinzo (12)-- I am under the impression that HadCRUTv3 uses air
temperatures on land and sea
surface temperatures in the
oceans to produce their global mean.
The global
ocean surface temperature for the same period was 0.33 °C (0.59 °F) above the 20th century average and was the 15th warmest such period
on record.
There is a difference between peaks and valleys in noisy processes (1998
surface air
temperature, 2007 record minimum ice, or shipping at a few small areas
on the edges of the Arctic
ocean) and CO2 forcing driven trends, especially when different measures.