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Marine mammal observations conducted during US National Science Foundation geophysical research cruises in the global oceans from the platforms Maurice Ewing, Marcus G. Langseth, Thomas G. Thompson, and R/V Knorr from 2003-05-28 to 2009-08-25 (NCEI Accession 0083783)

All marine mammals and sea turtles that were visually observed during a marine geophysical survey were recorded to: 1) determine whether a mitigation measure needed to be implemented during the survey; 2) determine the potential number of animals exposed to seismic sounds. During periods when no marine mammals were observed, the vessel location and the environmental conditions were also recorded approximately every 30 minutes whenever a Protected Species Observer was on watch (during daylight hours).

About this Dataset

Updated: 2024-02-22
Metadata Last Updated: 2025-11-19T15:30:54.632Z
Date Created: N/A
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Dataset Owner: N/A

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Title Marine mammal observations conducted during US National Science Foundation geophysical research cruises in the global oceans from the platforms Maurice Ewing, Marcus G. Langseth, Thomas G. Thompson, and R/V Knorr from 2003-05-28 to 2009-08-25 (NCEI Accession 0083783)
Description All marine mammals and sea turtles that were visually observed during a marine geophysical survey were recorded to: 1) determine whether a mitigation measure needed to be implemented during the survey; 2) determine the potential number of animals exposed to seismic sounds. During periods when no marine mammals were observed, the vessel location and the environmental conditions were also recorded approximately every 30 minutes whenever a Protected Species Observer was on watch (during daylight hours).
Modified 2025-11-19T15:30:54.632Z
Publisher Name N/A
Contact N/A
Keywords 0083783 , ANIMALS - GROUP - BEHAVIOR , ANIMALS - GROUP - NUMBER IN GROUP , ANIMALS - INDIVIDUAL , ANIMALS - INDIVIDUAL - AGE , ANIMALS - INDIVIDUAL - BEHAVIOR , ANIMALS - INDIVIDUAL - COUNTS , ANIMALS - INDIVIDUAL - PHYSICAL CHARACTERISTICS , HUMAN ACTIVITY , INDIVIDUAL IDENTITY , LATITUDE , LONGITUDE , MARINE MAMMALS , MARINE SPECIES INVENTORY , POSITION - GEOGRAPHIC , SPECIES IDENTIFICATION , SPECIES IDENTIFICATION - COUNT , SPECIES IDENTIFICATION - LIFE STAGE , TAXONOMIC CODE , VISIBILITY , compass , GPS , biological , survey , survey - biological , R/V Knorr , R/V Marcus G. Langseth , R/V MAURICE EWING , R/V THOMAS G. THOMPSON , Lamont-Doherty Earth Observatory , U.S. National Science Foundation , Arctic Ocean , Beaufort Sea , Bering Sea , Caribbean Sea , Chukchi Sea , Coastal Waters of Southeast Alaska and British Columbia , Greenland Sea (including Iceland Sea and North Greenland Sea) , Gulf of Alaska , Gulf of Mexico , North Atlantic Ocean , North Pacific Ocean , Norwegian Sea , Olympic Coast National Marine Sanctuary , South Atlantic Ocean , South Pacific Ocean , World-Wide Distribution , oceanography , COLUMBIA/LDEO > Lamont-Doherty Earth Observatory, Columbia University , DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce , EARTH SCIENCE > AGRICULTURE > ANIMAL SCIENCE > ANIMAL ECOLOGY AND BEHAVIOR , EARTH SCIENCE > BIOLOGICAL CLASSIFICATION , EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > MARINE MAMMALS , EARTH SCIENCE > HUMAN DIMENSIONS , EARTH SCIENCE > OCEANS > OCEAN OPTICS , COMPASSES , GPS RECEIVERS > GPS RECEIVERS , Ships , KNORR (call sign: KCEJ, ICES code: 316N, 1970-) , MAURICE EWING (call sign: WLDZ, ICES code: 3230, 1988-2005) , Marcus G. Langseth (call sign: WDC6698, ICES code: 33H3, 2005-) , THOMAS G. THOMPSON (call sign: KTDQ, ICES code: 3250, 1991-) , GEOGRAPHIC REGION > GLOBAL OCEAN , OCEAN > ARCTIC OCEAN , OCEAN > ARCTIC OCEAN > BEAUFORT SEA , OCEAN > ARCTIC OCEAN > CHUKCHI SEA , OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN , OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > CARIBBEAN SEA , OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA , OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF MEXICO , OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > NORWEGIAN SEA , OCEAN > ATLANTIC OCEAN > SOUTH ATLANTIC OCEAN , OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN , OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > BERING SEA , OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > GULF OF ALASKA , OCEAN > PACIFIC OCEAN > SOUTH PACIFIC OCEAN , environment , oceans , biota
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