Location: California-Mexico Border
Source: USGS Earthshots
These images show the different land use patterns of El Centro, California, and the urban area of Mexicali/Calexico on the California-Mexico border. From 1970 to 1990, these cities’ populations grew by the following amounts:
El Centro: 19,272 to 31,384 (63%)
Calexico: 10,625 to 18,633 (76%)
Mexicali: 459,900 to 712,400 (55%)
Spectral Characterization
March 20, 2017
The measured wavelength locations of the ETM+ spectral bands are compared to Landat 5’s TM in Table 8.1 The spectral bandwidths are determined by the combined response of all optical
