Their species distribution in ocean cores is often related to
past sea surface temperatures.
Jim Hays used fossil assemblages to estimate
past sea surface temperatures.
Titel Een nieuwe zeeoppervlaktetemperatuur proxy gebaseerd op membraanlipiden van plankton van Archaea: de TEX86 Abstract Determination of
past sea surface temperatures (SST) is of primary importance for the reconstruction of natural climatic changes.
Not exact matches
Warm
sea surface temperature anomalies persist off to W and SW of San Diego, but are smaller than in previous weeks over the
past month.
The strike - slip and thrust movements of the fault may drive water from the Red
Sea in between the fault and the
surface of the igneous block, allowing the two to slip
past each other, the scientists suggest.
First,
sea -
surface temperatures in the Gulf of Mexico have been higher than normal in the
past couple of months, due to global warming, which means the air that flowed north would have been warmer to start with.
The other global flu pandemics over the
past century — in 1957, 1968 and 2009 — also followed cooler
sea surface temperatures in the Pacific Ocean.
Seabirds in British Columbia's Salish
Sea changed their diet over the
past 47 years, switching from fish that live relatively close to the
surface, to bottom fish.
Fish are dependent on oxygen that dissolves in the
surface water and then sinks downward, but it is only within the
past 70 million years that the deep
seas have been oxygenated.
But last year, Arrigo and his team noted a proliferation of pools of water, known as melt ponds, on the
surface of the Chukchi
Sea ice, which were also a few meters thinner than in
past years.
Their models based on
past population shifts predict that an increase of 1 degree C in
sea surface temperature off the West Coast will reduce
sea lion population growth to zero, while an increase of 2 degrees will lead to a 7 percent decline in the population.
AS THE Earth warms, so its
surface ice melts into the
sea: true in the
past, and true in the future.
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.
Some of these biomarkers are produced by certain species of algae, among which one group can only be found in open
surface water, while the members of another group only live in
sea ice (or did so in the Earth's distant
past).
Over the
past two decades my company has used imaging radar satellites to map oil on the
sea surface for 70 million square kilometres of ocean.
A working group known as PALSEA2 (Paleo constraints on
sea level rise) used
past records of local change in
sea level and converted them to a global mean
sea level by predicting how the
surface of the Earth deforms due to changes in ice - ocean loading of the crust, along with changes in gravitational attraction on the ocean
surface.
By focussing on the South China
Sea, the researchers were able to use a combination of geochemical records to reconstruct sea surface temperature in the pa
Sea, the researchers were able to use a combination of geochemical records to reconstruct
sea surface temperature in the pa
sea surface temperature in the
past.
He finds that the
past three months score a very strong 2.31 on the oceanic Niño index, one of the primary measures of anomalies in
sea surface temperatures.
Marzeion, B., A. H. Jarosch, and M. Hofer, 2012:
Past and future
sea - level change from the
surface mass balance of glaciers.
Sea surface temperatures were warmer this
past summer also; I forget how many standard deviations the temperature was off the trend, but it was definitely anomalous.
Species with larvae that are likely to be particularly exposed to
sea surface warming (i.e., obligatory broadcast spawners and / or brooders) were regarded as having lower tolerance to warming, and we used evidence of
past mass high temperature mortality as a proxy for measuring adult colonies» tolerances.
A large ensemble of Earth system model simulations, constrained by geological and historical observations of
past climate change, demonstrates our self ‐ adjusting mitigation approach for a range of climate stabilization targets ranging from 1.5 to 4.5 °C, and generates AMP scenarios up to year 2300 for
surface warming, carbon emissions, atmospheric CO2, global mean
sea level, and
surface ocean acidification.
This approach may not be useful for quantitative reconstructions of
past spatial patterns of climate fields, e.g.
surface temperature,
sea level pressure, drought, etc..
Our work is a «downscaling» study, in which we first simulate
past hurricane seasons, using as input observed
sea surface temperatures (SSTs), the observed state of the atmosphere at the boundaries of our Atlantic domain, as well as the largest scales in the atmospheric flow over the Atlantic.
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 of the globe.
Furthermore, a new analysis published in Nature by Kerry Emanuel («Increasing destructiveness of tropical cyclones over the
past 30 years») points to a high correlation between the power of the TCs and the
sea surface temperature (SST).
The link between the NAO and the Gulf Stream seems to be confirmed, as there is a cooling trend visible of the
sea surface temperatures in the stream over the
past years.
Sea surface temperatures in the Western Pacific are well above climatology, and it has been argued that the warmth in the Western Pacific along with the lack of an equivalent long - term warming trend in the Eastern Pacific, increase the chances of a «super El Niño,» comparable to the two strongest El Niños of the
past century, which occurred in 1998 and 1983.
This February's
sea surface temperatures were 1.46 degrees above average, which means the
past nine months have been the nine highest monthly global ocean temperature departures on record.
Proxy data covering the
past 9000 years from Point Barrow revealed annual
sea ice covering the eastern Chukchi Sea varied from only 5.5 to 9 months, and summer sea surface temperatures ranged from 3 to 7.5 °C, much higher than today (McKay 200
sea ice covering the eastern Chukchi
Sea varied from only 5.5 to 9 months, and summer sea surface temperatures ranged from 3 to 7.5 °C, much higher than today (McKay 200
Sea varied from only 5.5 to 9 months, and summer
sea surface temperatures ranged from 3 to 7.5 °C, much higher than today (McKay 200
sea surface temperatures ranged from 3 to 7.5 °C, much higher than today (McKay 2008).
Sea -
surface temperatures, which drive the big tropical storms, have been high, and during the
past few years have seemed to correlate with increased coldness aloft.
Intense Southwest Florida hurricane landfalls over the
past 1000 years Recent research has proposed that human - induced
sea surface temperature (SST) warming has led to an increase in the intensity of hurricanes over the
past 30 years.
-- denying that the «globally and annually averaged land and
sea surface temperature anomaly» (HadCRUT3) has cooled slightly over the
past 15 years (since May 1997)
The scientists examined surveys of the ratio of strontium to calcium content and heavy oxygen isotopes, both are sensitive recorders of
sea surface temperatures
past and present.
Given the context of this highly anomalous and extremely persistent atmospheric ridging over the northeastern Pacific Ocean, it's very interesting to note that there has also been a region of strongly positive
sea surface temperature anomalies in same the general vicinity for the
past 10 - 11 months.
For more than 3 1/2 years, I've been presenting how
sea surface temperature data indicates that ENSO is the primary cause of the warming of the
past 3 decades.
There is no straightforward connection between hurricane strength and
sea surface temperatures (Swanson, 2008) and when we look at
past records, hurricanes vary much more coherently with natural climate oscillations than with increasing greenhouse gasses (Chylek and Lesins, 2008).
If the
surface isn't warming for a century, the ocean (and thus to some extent
sea ice) could still be warming that whole time just to catch up to a
past surface warming.
Your last post simply confirms that you are still in denial regarding the «standstill» in the «globally and annually averaged land and
sea surface temperature anomaly» over the
past decade
Since you are a frequent visitor to WUWT, you are well aware that I have illustrated, explained, and animated cause (ENSO) and effect (the warming of
sea surface temperatures, ocean heat content, lower troposphere temperatures, and land +
sea surface temperatures) in dozens of blog posts over the
past 3 1/2 years.
The metric used by IPCC in all its reports for
past and projected future «global warming» has been the «globally and annually averaged land and
sea surface temperature anomaly» (as reported by HadCRUT3).
The Japan Meteorological Agency said
sea surface temperatures around Japan had been up by an average of 1.07 degrees Celsius in the
past 100 years, which is double the global average warming rate.
Based on proxy records from ice, terrestrial and marine archives, the LIG is characterized by an atmospheric CO2 concentration of about 290 ppm, i.e., similar to the pre-industrial (PI) value13, mean air temperatures in Northeast Siberia that were about 9 °C higher than today14, air temperatures above the Greenland NEEM ice core site of about 8 ± 4 °C above the mean of the
past millennium15, North Atlantic
sea -
surface temperatures of about 2 °C higher than the modern (PI) temperatures12, 16, and a global
sea level 5 — 9 m above the present
sea level17.
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.
It's obvious that global
sea surfaces simulated by the GISS climate model were warmer than observed and that the GISS model warming rate is too high over the
past 3 decades.
As he pointed out, a dominant unforced contribution to
surface warming relative to forced trends would be expected to be accompanied by a trend of declining OHC, which is inconsistent with the observed trends averaged over the
past half century as evidenced by mixed layer temperature measurements and
sea level rise.
And in
past model - data comparisons, we've used the NOAA's original satellite - enhanced Reynolds OI.v2
sea surface temperature dataset, but for this one we're using NOAA's Extended Reconstructed Sea Surface Temperature version 4 (ERSST.v4) da
sea surface temperature dataset, but for this one we're using NOAA's Extended Reconstructed Sea Surface Temperature version 4 (ERSST.v4
surface temperature dataset, but for this one we're using NOAA's Extended Reconstructed
Sea Surface Temperature version 4 (ERSST.v4) da
Sea Surface Temperature version 4 (ERSST.v4
Surface Temperature version 4 (ERSST.v4) data.
Even while identifying some of the observed change in climatic behaviour, such as a 0.4 C increase in
surface temperature over the
past century, or about 1 mm per year
sea level rise in Northern Indian Ocean, or wider variation in rainfall patterns, the document notes that no firm link between the do...
My earliest research was on orbital - scale changes in North Atlantic sediments to reconstruct
past sea -
surface temperatures and to quantify the deposition of ice - rafted debris.
Sea surface temperature has been consistently higher during the
past three decades than at any other time since reliable observations began in 1880.