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Figure 1.4
Dynamic events which were photographed during the Shuttle-Mir missions. (a) Popocatéptl and Mexico City (NASA photograph NM22-727-094). Popocatéptl volcano has been frequently active since 1994. (b) Karymsky volcano (NASA photograph NM23-735-992). Kamchatka produces a dark ash layer on top of the surrounding snow cover. (c) Oil spill in the Caspian Sea, just offshore from Baku (NASA photograph NM21-773-060A). The arrows mark streamers of oil from individual offshore platforms. The area of the spill, which extends to the north and south from this scene, was greater than 300 sq. km. (d) Color-infrared photograph of the Omo River delta building into the north end of Lake Turkana, Kenya (NASA photograph NM22-746-081). Upstream land-use changes and resultant erosion have resulted in a tremendous increase in the size of the delta in the past 20 years. The new lobe along the western edge of the delta did not exist in 1993.
