For years scientists across the world have been mapping these changes in the landscape to prevent future disasters, monitor natural resources, and collect information on the environment.
(scientists across the world; have been mapping; these changes; L:in the landscape; to prevent future disasters, monitor natural resources, and collect information on the environment; T:For years) Context(scientists across the world have been mapping,List([10, 55))):(scientists across the world; have been mapping these changes to prevent; future disasters)
scientists across the world have been mapping,List([10, 55))
scientists across the world scientists across the world
have been mapping have been mapping these changes to prevent
these changes L:in the landscape to prevent future disasters, monitor natural resources, and collect information on the environment T:For years
future disasters