Gallery: Spy Agency Maps Show How the Arctic Is Heating Up
National Geospatial-Intelligence Agency01Bering-Strait
Detail of the Bering Strait region from a new, unclassified NGA map, showing shipping lanes (colored lines), oil fields (hatched areas), and airfields.
National Geospatial-Intelligence Agency02Anchorage-DEM
The NGA's new digital elevation model shows detail of the terrain around Anchorage, Alaska.
National Geospatial-Intelligence Agency03bathymetry
A bathymetric map, showing the undersea terrain of the Arctic region.
National Geospatial-Intelligence Agency04boundaries
National boundary claims in the Arctic include some that are agreed upon, some proposed, and some disputed.
National Geospatial-Intelligence Agency05energy-resources
The probability of undiscovered gas or oil fields, increasing from light colors to dark.
National Geospatial-Intelligence Agency06sea-ice
Past and projected minimum sea ice extents. The underlying black layer corresponds to 1980. The lighter two shades of blue correspond to projections for 2050 and 2100.
National Geospatial-Intelligence Agency07navtex
The location of range of NAVTEX transmitters, which broadcast navigational warnings to mariners.
National Geospatial-Intelligence Agency08nautical-chart
A nautical chart of the Queen Elizabeth Islands, near the maritime boundary between Canada and Denmark.
