Data set retirements: NOAA/NSIDC Sea Ice Concentration Data Records (CDR v5 and Near-Real-Time CDR v3)

The National Snow and Ice Data Center (NSIDC) has retired the following data sets, and access to these versions has been removed:

• NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 5
• Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 3

Please use the latest versions instead:

• NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 6
• Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 4

Data set DOIs:

• https://doi.org/10.7265/b18j-z797
• https://doi.org/10.7265/tm2n-1m33