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.

Snow cover discrimination

Figure 1. Graph showing discrimination betweeen snow cover and clouds, from reflectance and wavelength properties. From Hall et al. 1998.