Blog Archive

Tuesday, April 9, 2013

NSIDC: for Arctic sea ice extent watchers: an interactive graph, choose the years you want to view

  • View additional years by clicking the dates in the legend.
  • Roll your cursor over the line to see daily sea ice extent values.
  • Zoom in to any area on the chart by clicking and dragging your mouse.
  • To see a corresponding daily sea ice concentration image, click on a line in the chart. Sea ice extent is derived from sea ice concentration. Images are not available for the average or standard deviation.
  • Data are from the Sea Ice Index .
  • Graphs shown here may vary slightly from graphs displayed in Arctic Sea Ice News & Analysis, due to differences in handling leap years. However, the underlying data values are the same.
  • Currently, some functions do not work in Internet Explorer. We recommend using a different browser.
  • This interactive graph is a beta version. If you have questions or problems, please contact NSIDC User Services at .

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