Sentences with phrase «ocean warming data»

The ocean has warmed significantly over the past decade and a half, a new study based on different sources of ocean warming data suggests.
This ocean warming data is the clearest nail in that coffin.

Not exact matches

Paleoclimate data point to a warm tropical ocean with a clear east - west temperature gradient during the warm climates of the Pliocene and Miocene.
Using these data, researchers fine - tuned estimates from previous foram studies that captured polar conditions to show tropical oceans warmed substantially in the Eocene, but not as much as polar oceans.
RAPID RETREAT New seafloor data reveal that Køge Bugt (shown) and other fast - retreating glaciers in southeastern Greenland sit within deep fjords, allowing warm Atlantic Ocean water to speed up melting.
«The new data set will allow us to check if our ocean models can correctly represent changes in the flow of warm water under ice shelves,» he added.
After further analysis of the data, the scientists found that although a strong El Niño changes wind patterns in West Antarctica in a way that promotes flow of warm ocean waters towards the ice shelves to increase melting from below, it also increases snowfall particularly along the Amundsen Sea sector.
The other ocean temperature study, also published Sunday in Climate Nature Change, used Argo and other data to tentatively conclude that all of the ocean warming from 2005 to 2013 had occurred above depths of 6,500 feet.
They are gathering and transmitting data that's providing scientists with the clearest - ever pictures of the hitherto - unfathomed extent of ocean warming.
But a previous round in the 1980s - before global warming was an issue - attracted similar sums, according to data from the U.S. Bureau of Ocean Energy Management.
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.
So far the team has looked only at data from the Pacific Ocean region, but if other tropical oceans have the same effect, Earth may be well equipped to handle global warming.
As Stephen C. Riser and M. Susan Lozier note in their February 2013 Scientific American article, «Rethinking the Gulf Stream,» «A comparison of the Argo data with ocean observations from the 1980s, carried out by Dean Roemmich and John Gilson of the Scripps Institution of Oceanography, shows that the upper few hundred meters of the oceans have warmed by about 0.2 degree C in the past 20 years.
Scientists can confidently say that Earth is warming due to greenhouse gas emissions caused by humans, but data on climate trends over the Antarctic and the surrounding Southern Ocean only go back to 1979 when regular satellite observations began.
The scientists used data from the Argo floats to figure out by how much the upper oceans have warmed and expanded.
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.
Using float data, scientists recalibrated sparse historical measurements and estimates of ocean warming, concluding that the upper 2,700 feet of the world's oceans had warmed by between a quarter and a half more than had previously been realized.
Comparing disease statistics with climate data, he found that the outbreaks roughly coincided with El Niño, the warm Pacific Ocean current that brings higher temperatures and rainfall to this part of Peru.
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.
Firstly, it scrutinises 6 years worth of data while ignoring the last 40 years of ocean warming.
From his own research in chemical oceanography, along with data from a number of recent studies, Weber points out that some negative consequences of greenhouse gas emissions and warming «are manifesting faster than previously predicted,» including ocean acidification and oxygen loss, which are expected to affect «a large fraction of marine species if current trends continue unchecked.»
Other, more stable data sets, such as satellite, radiosonde and ocean temperatures yield smaller warming trends.
What kind of arguments and data support the assertion that ocean circulation can't be responsible for warming on a timescale of decades, and that some sustained forcing (e.g. solar or GHGs) must be causing a long - lived energy imbalance?
Very recent, wide ranging review of temperature measurements in the oceans with a detailed discussion of the accuracy of the data, planetary energy balance and the effect of the warming on sea levels.
The basic fact of warming is supported by a huge array of complementary data (ocean warming, ice melting, phenology etc).
Remember too that ocean heat content increases were a predicted consequence of GHG - driven warming well before the ocean data was clear enough to demonstrate it.
The less data you collect on global warming, the more room there is for a handful of denialists to claim that it isn't really happening — that's been the story on ocean warming for the past decade, hasn't it?
In the non-stationary environment caused by ocean warming, traditional approaches, which are solely based on analysing historical data, increasingly fail to estimate today's hazard probabilities.
There is definitely more to learn about how climate behaves and there are now data sets for ocean warming and carbon dioxide distribution that could benefit from better surface temperature measurements.
... a pronounced strengthening in Pacific trade winds over the past two decades — unprecedented in observations / reanalysis data and not captured by climate models — is sufficient to account for the cooling of the tropical Pacific and a substantial slowdown in surface warming through increased subsurface ocean heat uptake.
Another example would be the data showing some expected warming in the surface / mid layers of the oceans as reported by Levitus et.
In order to truly call global warming into question, one would also have to prove satellite data, borehole analysis, glacial melt, sea ice melt, sea level rise, proxy data, and rising ocean -LSB-...]
I am sure if the Argo system had brought back data that showed warming of the oceans it would have been your lead story.
What the independent — ERBS and ISCCP - FD — data shows is strong cooling in IR and strong warming in SW — associated with ocean states and cloud cover — in the 80's and 90's.
Abstract:... Here we show that a pronounced strengthening in Pacific trade winds over the past two decades — unprecedented in observations / reanalysis data and not captured by climate models — is sufficient to account for the cooling of the tropical Pacific and a substantial slowdown in surface warming through increased subsurface ocean heat uptake.
No doubt the southern ocean, featured strongly by Hansen et al, plays an important role, but data there are poor, and change is not well known; in particular the recent hiatus in global warming greatly influences any observations, which can therefore be quite misleading wrt trends.
«With the improvements to the land and ocean data sets and the addition of two more years of data, NCEI scientists found that there has been no hiatus in the global rate of warming.
Two things can be going on here, firstly, the loss in the tropics may be more than compensated for in the rest of the world (which is consistent with the extensive Southern Ocean warming observed by Gille (2002)-RRB-, and secondly, the data from the tropics may be less complete or accurate than claimed, although I am not aware of any specific reasons why that might be.
From what I see from the Global Historical Climatology Network (GHCN) of land temperatures and the Comprehensive Ocean - Atmosphere Data Set (COADS) of SST data, temperatures there were higher around the 1930's than now, and there is not much long term warming trend, except for the past few yeData Set (COADS) of SST data, temperatures there were higher around the 1930's than now, and there is not much long term warming trend, except for the past few yedata, temperatures there were higher around the 1930's than now, and there is not much long term warming trend, except for the past few years.
Other validating data for the corrected surface temperature record comes from the oceans, which have also been warming in recent decades.
Indeed, Argo data show no warming in the upper ocean over the past four years, but this does not contradict the climate models.
That said, the independent ocean and land data show roughly consistent warming rates.
Re: # 48: We didn't incorporate any ocean data other than SST in our analysis, so I can't really comment on the effects of a warming at depth.
I've read the guest post from Peter Minnet but as far as I know the experimental data, while interesting, is not yet part of a peer reviewed study.So I'm not aware of solid evidence that CO2 directly warms the ocean.
But there do seem to be significant discrepancies in differential rates of warming between land and ocean in the three surface data sets.
[Response: I would point out that if you look at the combined ocean and land data for the tropics (available at the GISS web site), the ocean (still part of the surface after all) shows significant and widespread warming.
That implies the existence of data from 110E to 130E which meets the putative criteria for the Lindzen et al. analysis — open ocean NW of Australia and warm pool ocean in the Indonesian archipelago.
The 2005 Jan - Sep land data (which is adjusted for urban biases) is higher than the previously warmest year (0.76 °C compared to the 1998 anomaly of 0.75 °C for the same months, and a 0.71 °C anomaly for the whole year), while the land - ocean temperature index (which includes sea surface temperature data) is trailing slightly behind (0.58 °C compared to 0.60 °C Jan - Sep, 0.56 °C for the whole of 1998).
(look at Hadley SST data for example) I think you are agree that thermal flux in the ocean can change considerably the amplitude of global warming.
Since mid-2003 through the latest data that I have seen, there has been no annual average warming or cooling in the upper oceans.
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