1. An airgun seismic program was initiated for the Beaufort Sea in 2001.

2. This Advanced Very High Resolution Radiometer Image from NOAA shows ice conditions (purple area) in the Beaufort Sea.

3. In addition to hunting, polar bears of the Beaufort Sea region are exposed to mineral and hydrocarbon extraction and related human activities such as shipping, road building, and seismic testing.

4. British Petroleum built Northstar Island in the Beaufort Sea six miles north of the Alaskan coast to siphon off the Northstar Oil Pool, which resides about 12(sentencedict .com), 500 feet below the seabed.