Sentences with phrase «ice trends around»

Global climate model projections for sea ice trends around Antarctica are at odds with what is being observed.
Scientists who study the warming seas and complicated climate and ice trends around Antarctica got a big jolt in recent days as yet another great fringing, floating ice shelf jutting from the Antarctic Peninsula began to disintegrate.

Not exact matches

It is one of the reasons ascribed to the increasing trend in sea ice around Antarctica.
Large - scale surface temperature reconstructions yield a generally consistent picture of temperature trends during the preceding millennium, including relatively warm conditions centered around A.D. 1000 (identified by some as the «Medieval Warm Period») and a relatively cold period (or «Little Ice Age») centered around 1700.
Changes in the winds around Antarctica therefore change ice - concentration trends around Antarctica [8] by influencing sea - ice production and melt rates [9].
Extrapolating based on date from 1980 to the present yields and estimate around the 2040 for zero September ice volume while using an apparent steeper trend since 2000 yields an estimate around 2015 for the lower curve in fig. 1 or around 2020 using the upper curve as a guide.
It was when the ice extent trend was pointing steeply downwards in early Sep that I was the only one on North Pole Notes to argue it would turn around quickly (you're implying to people that I was instead talking about pre-season projections.)
To get a sense of how the views of Arctic experts have coalesced around a rising human influence on the region's climate, you can scan previous stories from 2001, 2005, and 2007 on ice trends and possible causes.
The net trend in the past decennia is a cooling of the (deeper) Atlantic around South Greenland, which points to more cooler water / ice export from the Arctic.
In fact, as I proposed in my overview of ice trends last October, the system up there may be becoming more like the sea ice around Antarctica, which flashes into existence each austral winter and then all disappears each southern summer.
Ice depth trends around Antarctica?
But all of the 15 teams offering projections say ice extent will remain well below the average for the last quarter century and a downward trend in summer ice around the North Pole has not abated.
But, he also says: «teams offering projections say ice extent will remain well below the average for the last quarter century and a downward trend in summer ice around the North Pole has not abated,» and we readers are then linked to his October, 2007 article and an August, 2007 image of a «warmed over» Artic.
The goal, the scientists say, is to compare independent methods of gauging ice trends from factors including sea temperature, ice thickness and cycles of atmospheric pressure and winds around the Arctic.
Study of Greenland ice provides a 2500 year perspective indicating we headed into a mini-ice-age as happened from the mid 1300's to the mid 1800's; and the data from the 1200 or so floating buoys around the world's oceans are likewise showing a cooling trend, and have been for some time.
But on the contrary, the Southern Ocean has warmed by around 0.5 °C in the three decades since satellites began measuring sea ice trends.
«The Earth has been in a warming trend since the depth of the Little Ice Age around 1680.
What is known is that during the period called Little Ice Age, global glacial were advancing, and starting around 1850, instead advancing global glacier became retreating, this trend of glacial retreat continues to the present time, but not all glaciers adding during the Little Ice Age have not yet melted.
This is an important article, Climategrog, because it shows from a different type of data (date of minimum extent) that something happened around 2007 to Arctic sea ice that interrupted a 35 year trend.
Large - scale surface temperature reconstructions yield a generally consistent picture of temperature trends during the preceding millennium, including relatively warm conditions centered around A.D. 1000 (identified by some as the «Medieval Warm Period») and a relatively cold period (or «Little Ice Age») centered around 1700.
The pattern of temperatures shows a rise as the world emerged from the last deglaciation, warm conditions until the middle of the Holocene, and a cooling trend over the next 5000 years that culminated around 200 years ago in the Little Ice Age.
Jonathan Bamber, director of the Bristol Glaciology Centre at the University of Bristol, UK, says: «We have already seen an unusually early start to melting around the margins of Greenland in 2016 and the new findings from NSIDC of exceptionally low sea ice extent for May and the lowest Northern Hemisphere snow cover in April for 50 years is in line with the longer - term, decadal trends for the Arctic as a whole,» said
Maybe you even see this with the trends around the Ice Ages?
The oceans have risen by around 2.5 cm over the last decade, emphasising just how warm the seas and the atmosphere have become already As ice caps glaciers and sea ice show us the trend in rather obvious ways, scientists studying the phenomena have been shocked.
The modeled evolution of Arctic sea ice volume appears to be much stronger correlated with changes in ice thickness than with ice extent as it shows a similar negative trend beginning around the mid-1990s.
The composite record show large sea ice variations around a small negative trend since 1900, although the trend from a statistical point of view is not significant (Polyakov et al. 2003).
If the sea ice around Antarctica is growing (on a decadal trend basis)-- which any schoolboy analysis of freely available basic data shows...... what does this tell you about the certainty of global warming?
From 1978 to 1996, the average ice cover around Antarctica showed almost no trend (a slight increase 1.3 % per decade), however ice decreased by 2.9 % per decade on average over the arctic seas (1).
The ice around the Antarctic has had a reverse trend as is actually covering a bigger area this year than in 1979.
The 30 % concentration graph, the DMi graph, one that is weightier than the 15 % because it shows what is happening at the heart of the Arctic, and not just what is happening (for the moment) around the circumference of the ice, shows a rapid, and strong (even surprising for how strong it is this year) growing trend in Arctic ice since 2007.
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