Sentences with phrase «past sea surface»

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 paSea, the researchers were able to use a combination of geochemical records to reconstruct sea surface temperature in the pasea 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 200sea 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 200Sea 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 200sea 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) dasea surface temperature dataset, but for this one we're using NOAA's Extended Reconstructed Sea Surface Temperature version 4 (ERSST.v4surface temperature dataset, but for this one we're using NOAA's Extended Reconstructed Sea Surface Temperature version 4 (ERSST.v4) daSea Surface Temperature version 4 (ERSST.v4Surface 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.
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