The passive microwave
sea ice record dates back to 1979, one of the longest environmental data sets we know of.
There are no accurate
sea ice records that cover the «past several decades».
Still, the extent of sea
ice recorded in November was well shy of the median extent observed over the past quarter century, as the image from Nov. 14 (above, right) shows.
The researchers did not notice an obvious relationship between the accumulation
of ice recorded in the ice core and glacial fluctuation.
«If SCPs survive as long as the particles from the [Cretaceous — Paleogene] boundary, then they will outlive many radionuclides with half - lives — and probably most
ice records on the planet,» Rose notes.
A comparison of Danish Sea
ice records from August 1937 with satellite pictures from August 2013, illustrate very similar losses of Arctic ice.
It was largely positive during the winter of 2007 - 8, which followed the previous sea
ice record low, and then turned record negative during the winter of 2009 - 10, during which the infamous «Snowmageddon» blizzard occurred along the East Coast.
James Taylor of the Heartland Institute wrote in Forbes that the 1979 baseline on
polar ice recorded a figure with that was unusually high, so when some melted we didn't really need to panic.
I wasn't surprised to see that they failed to mention the seemingly never - ending winter that has been causing chaos in parts of some South American countries, nor have they once mentioned the Antarctic sea
ice record since it was announced.
Anecdotally, this seems to be confirmed by the fact that many of the early Arctic explorers (early 20th century, 19th century and earlier) were able to reach areas that they probably couldn't have reached in 1979, when the sea
ice records began.
... We've used a range of new data sources to fill gaps and extend the Arctic sea
ice record back to 1850.
Scientists all over the world rely on the sea -
ice record compiled by the US National Snow and Ice Data Center (NSIDC) in Boulder, Colorado.
Laidre's team used the Arctic sea
ice record derived from microwave measurements taken by NASA and Department of Defense satellites.
While a 14 % loss is not an insignificant amount, it's smaller than some of the changes in Antarctic sea
ice recorded during the middle of the 20th century, as estimated from whaling ship logbooks, the paper says.
These observations are among the oldest inland
water ice records in human history, and now they are contributing to modern understanding of climate change.
Note that Miles and colleagues were looking
at ice records on or around the sea ice maximum in winter / spring.
First, a timeline of deep polar cores documents in fine detail the discoveries of scientific pioneers, from the first efforts to
read ice records through to today's hunt for ice a million years old or more.
(11/24/2011) Recent arctic sea ice loss is «unprecedented» over the past 1,450 years, concludes a reconstruction of
ice records published in the journal Nature.
Heller would have had a more difficult time misrepresenting this temperature data, and also explaining it in light of his
fictional ice record.
Most NASA stories about sea
ice records tend to start with the year 1979, when consistent observations started to be collected regularly by satellites.
In Wisconsin scientists have analyzed data collected by Aldo Leopold 61 years ago, and also 100
years ice record data.
Consider melt occurence in regions that otherwise have
intact ice records (no melting) going back for x years.
The sea -
ice record presented here is based on publicly - available data from ECMWF's ERA - Interim reanalysis of observations from 1979 to 2017.
Give me a report of Greenland's surface melt, another on this year's
disastrous ice record in the Arctic, another on how Australia is propping up its economy via coal exports to Asia.
Internal variability as estimated from observations can't explain sea - ice loss Superposition of a linear trend and internal variability explains sea - ice loss Observational sea -
ice record shows no signs of self - acceleration
It was largely positive during the winter of 2007 - 8, which followed the previous sea
ice record low, and then turned record negative during the winter of 2009 - 10, during which the infamous «Snowmageddon» blizzard occurred along the East Coast.
The minimum ice extent — the lowest amount
of ice recorded in the area annually — has shrunk from 3 million square miles in the early 1980's to less than 2 million square miles in 2005.
The 800 - year lag between the beginnings of temperature increase and CO2 rise in the
polar ice record is because the initial warming that provoked the end of the ice ages was caused by changes in the Earth's alignment and orbit around the sun; not anthropogenic CO2.
Climate News Network: The Arctic ice cap has just passed its summer minimum — and it's the sixth lowest measure of sea
ice recorded since 1978, according to scientists at the US space agency NASA.
We present a sea -
ice record from northern Greenland covering the past 10,000 years.
The temperature records showed a warming spike after the 1970s, and
the ice records documented that river ice is breaking up about nine days earlier now than last century.
That means the most complete and most scientifically significant sea -
ice record is at risk of breaking.
Phrases with «ice record»