Some data sets specify dates using the year and day of year rather than the year, month, and day of month. The day of year (DOY) is the sequential day number starting with day 1 on January 1st. There ...

On September 19, Antarctic sea ice likely reached its annual maximum extent of 17.16 million square kilometers (6.63 million ...

Antarctic sea ice has likely reached its maximum extent for the year, at 17.16 million square kilometers (6.63 million square ...

Arctic sea ice likely reached its annual minimum extent of 4.28 million square kilometers (1.65 million square miles). The ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. To promote ...

Software engineer and metadata architect Julia Collins discusses how she came to NSIDC, and how she came to appreciate the ...

There are many ways to access and work with NSIDC data to accommodate a wide diversity of users. Use the filter menu to explore and narrow down your options. Note that the list defaults to show our ...

Arctic sea ice has likely reached its minimum extent for the year, at 4.28 million square kilometers (1.65 million square ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. To promote ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. To promote ...

Note: To select a different data set, close this window (or tab) and navigate to the data set landing page you want. This data set contains estimates of Arctic sea ice thickness and concentration, ice ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. To promote ...