What is also stunning are sea -
ice daily extent figures averaging ice loss of more than 100,000 square kilometres per day for the last four days.
Not exact matches
They allow to precisely analyse the
daily sea -
ice extent over the entire Arctic.
Since Oct. 20, the
daily sea
ice extent there has been the second lowest in the satellite era.
The warmth made
daily sea
ice extents average about 232,000 square miles smaller than during any May in the 38 years scientists have been gathering data using satellites.
The gray - shaded region shows two standard deviations from the average
daily sea
ice extent.
«Sea
ice extent remained at record low
daily levels for the month.
Daily sea
ice extent values were record low throughout the month.
By month's end,
daily sea
ice extent values were record low.
Antarctic sea
ice extent increased rapidly through June and early July, and reached new
daily record highs through most of this year.
It was yesterday last year that saw the 2017
daily maximum for JAXA Sea
Ice Extent (and today for NSIDC).
Sea
ice extent has tracked below 2007 for 100 days, but yesterday it came back above the 2007
daily record.
Yesterday marked the end of 100 days of consecutive
daily records for
daily lowest Arctic sea
ice extent.
The
daily graph yesterday showed 2012
ice extent dropping below the 1979 - 2000 average, so maybe you'll be right.
-- I presume you've used sea -
ice area /
extent, that's OK I've got them
daily back to 1979.
``... Figure 2 indicates that on a
daily basis, sea
ice extent appears slightly higher than 2007 for most of the month.
The graph above shows Arctic sea
ice extent as of September 5, 2016, along with
daily ice extent data for four previous years.
Daily sea
ice extent as of 10 June 2013.
This graph shows Arctic sea
ice extent as of May 31, along with
daily ice extent data for previous years.
However, since August 26, total sea
ice extent is already lower than at the same time in 2007 and is currently tracking as the second lowest
daily extent on record.
The warmth made
daily sea
ice extents average about 232,000 square miles smaller than during any May in the 38 years scientists have been gathering data using satellites.
As reported at Science
Daily, in a new paper in Quaternary Science Reviews they report their findings: that the present
extent of sea
ice in the arctic is at its lowest for at least several thousand years.
With two to three more weeks left in the melt season, sea
ice continues to track below 2007
daily extents.
It's easy to get
daily up - to - date data on arctic
ice extent from JAXA, and on arctic
ice area from cryosphere today.
CERSAT distributes
daily sea
ice extent and concentration data (local percentage of the ocean surface covered by sea
ice).
The OSI SAF Sea
Ice Team is happy to introduce daily updated sea ice extent graphs from the OSI SAF High Latitude web port
Ice Team is happy to introduce
daily updated sea
ice extent graphs from the OSI SAF High Latitude web port
ice extent graphs from the OSI SAF High Latitude web portal:
While Greenland was setting records linked to melting, another was being set around the chilly mass of Antarctica, which saw a new highest
daily sea
ice extent.
We have been monitoring
daily changes of the Arctic sea
ice extent using AMSR - E data.
The data has to be in - filled to produce
daily data series and contributions to one
ice extent figure are actually spread over 6 days of flight time.
Resources [1] The NH sea -
ice extent data are provided by NSIDC as
daily anomalies form an average cycle plus the annual cycle which has been subtracted.
Daily Arctic sea
ice extent anomalies (NSIDC, DMSP SSM / I - SSMIS) from 1979 through 2017.
The graph above shows Arctic sea
ice extent as of November 1, 2016, along with
daily ice extent data for four previous years.
Hamilton, 4.0 + / - 0.3, Statistical A simple regression model for NSIDC mean September
extent as a function of mean
daily sea
ice area from August 1 to 5, 2012 (and a quadratic function of time) predicts a mean September 2012
extent of 4.02 million km2, with a confidence interval of plus or minus.32.
The simulated
daily ice extent for all 20 realizations of the ensemble is shown in Figure 1 from the initialization until end of September.
When averaging
daily data from the National Snow and
Ice Data Center, and noting that there was an unanticipated sensor transition during the year, the estimated average annual sea ice extent in the Arctic was approximately 3.92 million square miles, the smallest annual average in the reco
Ice Data Center, and noting that there was an unanticipated sensor transition during the year, the estimated average annual sea
ice extent in the Arctic was approximately 3.92 million square miles, the smallest annual average in the reco
ice extent in the Arctic was approximately 3.92 million square miles, the smallest annual average in the record.
This time series of
daily global sea
ice extent (Arctic plus Antarctic) shows global
extent tracking below the 1981 to 2010 average.
Unusually warm conditions and record low
daily sea
ice extent levels continued through the end of the year.
The graph above shows
daily arctic sea
ice extent.
As of 13 August, «Sea
ice extent is currently tracking at 5.4 million square kilometers (2.1 million square miles), with
daily extents running at 940,000 square kilometers (361,000 square miles) below previous
daily record lows, a significant decline from past years.»
Daily sea
ice extent timeseries for April through September for 2015 (light blue, through 17 August), 2012 (dashed green), and the 1981 - 2010 average (black) and standard deviation (gray).
Thus, when sea
ice is retreating or advancing at a high rate over the course of the month, as was the case for December 2016, the Sea Ice Index monthly average can yield a larger extent than from simply averaging daily extent valu
ice is retreating or advancing at a high rate over the course of the month, as was the case for December 2016, the Sea
Ice Index monthly average can yield a larger extent than from simply averaging daily extent valu
Ice Index monthly average can yield a larger
extent than from simply averaging
daily extent values.
Different seasonal progressions of summer sea
ice loss are apparent in
daily time series of sea
ice extent from different years (Figure 4).
Figure is based on
daily arctic sea
ice extent from passive microwave satellite data (SSM / I).
As to the Arctic icecap, the
Daily Mail conveniently fails to mention that the 60 % increase in 2013 over 2012 still leaves the icecap coverage 20 % lower than it was in 1978, when NSIDC's record - keeping on the
extent of Arctic
ice began.
Daily sea
ice extent as of 9 July 2013.
A comparison of Arctic sea
ice extent as of Sept. 12 and
daily ice -
extent data for four other lowest -
extent years on record: 2015, 2012, 2011 and 2007.
Figure 6b:
Daily sea
ice extent time series for 2012 - 2015 and through 21 July 2016 with the 1981 - 2010 average (black) and standard deviation (gray).
For this reason, as well as others explained in the Data Acquisition and Processing section, the IMS product is more accurate on a
daily basis than is the sea
ice extent from the Sea Ice Ind
ice extent from the Sea
Ice Ind
Ice Index.
The Multisensor Analyzed Sea
Ice Extent - Northern Hemisphere (MASIE - NH) products provide measurements of daily sea ice extent and sea ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell siz
Ice Extent - Northern Hemisphere (MASIE - NH) products provide measurements of daily sea ice extent and sea ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell
Extent - Northern Hemisphere (MASIE - NH) products provide measurements of
daily sea
ice extent and sea ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell siz
ice extent and sea ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell
extent and sea
ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell siz
ice edge boundary for the Northern Hemisphere and 16 Arctic regions in a polar stereographic projection at both 1 km and 4 km grid cell sizes.
The Sea
Ice Index gives a
daily image of
extent as well as monthly products.
Prelim NSIDC (
daily) data indicates #Antarctic sea
ice has dropped below its previously all - time lowest #seaice
extent on record (satellite) pic.twitter.com / gKTrHzXumw