To see full-size figures, just click the thumbnails.

Figure 2.01

The electromagnetic spectrum.

(from Microworlds: Exploring the Structure of Materials WWW Site)

Figure 2.02

Microwave emissivities at each SSMR wavelength for calm open water and first year sea ice.

(from Cavalieri et al., 1984)

Figure 2.03

Sources of microwave energy received at the satellite.

Figure 2.04

The electromagnetic spectrum showing the ultraviolet-to-microwave wavelength range and the atmospheric transmission of various wavelengths (note the "windows," or areas of high transmission, in the visible and microwave regions).

Figure 2.05

Microwave brightness temperatures of sea ice and open ocean as observed by the Nimbus-7 SMMR. Hatched bands indicate +/- 1 standard deviation about the mean.

(from Cavalieri et al., 1984)