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Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

NASA Distributed Active Archive Center (DAAC) at NSIDC

Scatterometry Data

Scatterometer Imagery Supporting Climate Studies

Arctic Sigma-0 Browse Image

Arctic browse image derived from horizontally polarized sigma-0 scatterometer data, 29 December 2003. Image copyright BYU.