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 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.
Not exact matches
The gray - shaded region shows two standard deviations from the
average daily sea ice extent.
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.
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.
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.
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
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
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.
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).
In April 2012, NSIDC updated its method of calculating
daily values for the Arctic
sea ice extent minimum from a 5 - day centered
average to a 5 - day trailing
average.
The graph of
daily sea ice extent for the Northern Hemisphere shows
ice extent in the current year, the 1981 to 2010
average, and the year with record low
ice extent, (currently 2012).