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1. Water Column Backscatter Collection for EX1301: Ship Shakedown and Patch Test Exploration [gov.noaa.ngdc.mgg.wcd.EX1301_EM302_Water_Column]
Water Column raw (level-0) files (.wcd)


2. Water Column Backscatter Collection for EX1303: New England Seamount Chain Exploration [gov.noaa.ngdc.mgg.wcd.EX1303_WaterColumn]
Water Column raw (level-0) files (.wcd)


3. Water Column Backscatter Collection for EX1304: Northeast U.S. Canyons Exploration on NOAA Ship Okeanos Explorer between 20130708 and 20130725 (Leg I) [gov.noaa.ngdc.mgg.wcd.EX1304L1_WaterColumn]
Water Column raw (level-0) files (.wcd)


4. Water Column Backscatter Collection for EX1304: Northeast U.S. Canyons Exploration on NOAA Ship Okeanos Explorer between 20130731 and 20130817 (Leg II) [gov.noaa.ngdc.mgg.wcd.EX1304L2_WaterColumn]
Water Column raw (level-0) files (.wcd)


5. Water Column Backscatter Collection for EX1305: Summer Ecosystem Monitoring Survey [gov.noaa.ngdc.mgg.wcd.EX1305_WaterColumn]
Water Column raw (level-0) files (.wcd)


6. Water Column Backscatter Collection for EX1402L1: Gulf of Mexico Mapping and Exploration [gov.noaa.ngdc.mgg.wcd.EX1402L1_WaterColumn]
Water Column raw (level-0) files (.wcd)


7. Water Column Backscatter Collection for EX1402L2: Gulf of Mexico Mapping and Exploration [gov.noaa.ngdc.mgg.wcd.EX1402L2_WaterColumn]
Water Column raw (level-0) files (.wcd)


8. Water Column Sonar Data Collection [gov.noaa.ngdc.mgg.wcd.WCD_Collection]
The collection and analysis of water column sonar data is a relatively new avenue of research into the marine environment. Primary uses include assessing biological abundance, species identification,and ...


9. R/V Nathaniel B. Palmer NBP1303 [NBP1303]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


10. R/V Nathaniel B. Palmer NBP1304 - Seasonal Trophic Roles of Euphausia superba [NBP1304]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


11. R/V Nathaniel B. Palmer NBP1310A [NBP1310A]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


12. AAD Hydroacoustics hard disks - data collected from Southern Ocean cruises 1993-2004 [AAD_Hydroacoustics_data]
Hydroacoustics data obtained from Australian Antarctic Division voyages from 1993 to 2004. Voyages were made to various locations within the Southern Ocean. Data are stored on 14 hard disks, 1 CD-R ...


13. Hydroacoustic data collected from Southern Ocean Cruises by the Australian Antarctic Division [AAD_Hydroacoustics_data_All]
The Australian Antarctic Division (AAD) has been collecting hydroacoustic data from its ocean going vessels for a number of years. This collection represents all hydroacoustic data gathered since ...


14. Krill flux, acoustic methodology and penguin foraging - an integrated study. [ASAC_1250]
---- Public Summary from Project ---- This project is designed to provide an understanding of the interactions between krill, other zooplankton, the physical environment and the predators dependent ...


15. R/V Nathaniel B. Palmer NBP1105 [NBP1105]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


16. R/V Nathaniel B. Palmer NBP1201 [NBP1201]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


17. Acoustic Doppler Current Profiler Data - 2011 [acoustic_doppler_current_profiler_data_-_2011]
Acoustic Doppler current profiler data were collected using a RD Instruments, 300 kHz ADCP that was mounted on an acoustic sled and towed alongside the R/V Annika Marie. Deployment was somewhat limited ...


18. EK60 Data in Amundsen Sea, Antarctic in 2012 [KPDC_EKD_AM_ANTAR_2012]
Acoustic survey was conducted to observe the distribution and density of zooplankton in Amundsen Sea from 2012 February 8 to March 7. Acoustic data were collected from surface to 400 m using split-beam ...


19. EK60 Data surrounding Chukchi Sea of Arctic in 2010 [KPDC_EKD_CH_ARCTIC_2010]
Acoustic survey was conducted to observe the distribution and density of zooplankton in the Chukchi sea of Arctic from 2010 July 20 to August 10. Acoustic data were collected from surface to 400 m ...


20. EK60 Data in Amundsen Sea, Antarctic in 2011 [KPDC_EKD_AM_ANTAR_2011]
Acoustic survey was conducted to observe the distribution and density of zooplankton in Amundsen Sea from 2011 January 1 to January 8. Acoustic data were collected from surface to 400 m using split-beam ...


21. Antarctic Pack Ice Seals Project (APIS) Acoustic Data for the Eastern Ross Sea 2000 [APIS_Acoustic_data]
APIS (Antarctic Pack Ice Seals) was an international program formulated by the SCAR Group on Specialists on Seals to consider the functional significance of upper trophic level predators ...


22. R/V Nathaniel B. Palmer NBP0302 - Cross-Slope Exchanges at the Antarctic Slope Front (AnSlope), Leg 1 [NBP0302]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


23. R/V Nathaniel B. Palmer NBP0304 - Transit [NBP0304]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


24. R/V Nathaniel B. Palmer NBP0402 - Collaborative Research: Cross-slope exchanges at the Antarctic Slope Front (ANSLOPE) [NBP0402]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


25. R/V Nathaniel B. Palmer NBP0408 - Collaborative Research: Cross-slope exchanges at the Antarctic Slope Front (ANSLOPE) [NBP0408]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


26. R/V Nathaniel B. Palmer NBP0409 - Impact of solar radiation and nutrients on biogeochemical cycling of DMSP and DMS in the Ross Sea [NBP0409]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


27. R/V Nathaniel B. Palmer NBP1005A - ASPIRE (Amundsen Sea Polynya International Research Expedition) [NBP1005A]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


28. R/V Nathaniel B. Palmer NBP1101 - Ross Sea Expedition [NBP1101]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


29. Sea Floor Maps Showing Topography, Sun-Illuminated Topographic Imagery, and Backscatter Intensity of Stellwagen Bank NMS Region off Boston, MA, USGS OFR 00-410 [USGS_OFR_00410]
This data set contains the sea floor topographic contours, sun-illuminated topographic imagery, and backscatter intensity generated from a multibeam sonar survey of the Stellwagen Bank National Marine ...


30. R/V Nathaniel B. Palmer NBP0101 - POC Production and Export in the Indian Sector of the Southern Ocean: (mooring recovery) [NBP0101]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


31. R/V Nathaniel B. Palmer NBP0201 - Late Pleistocene to Holocene Glacial History of West Antarctica [NBP0201]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


32. R/V Nathaniel B. Palmer NBP0710 - Collaborative Research:Dynamics and transport of the Antarctic Circumpolar Current in Drake Passage [NBP0710]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


33. R/V Nathaniel B. Palmer NBP1001 - Collaborative Research in IPY: Abrupt Environmental Change in the LARsen Ice Shelf System, Antarctica (LARISSA) [NBP1001]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


34. R/V Nathaniel B. Palmer NBP1003 - Collaborative Research: The Ecological Role of a Poorly Studied Antarctic Krill Predator: The Humpback Whale, Megaptera Novaeangliae [NBP1003]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


35. R/V Nathaniel B. Palmer NBP1004 - Drake Passage Current and Pressure Recording Inverted Echo Sounders (CPIES) [NBP1004]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


36. R/V Nathaniel B. Palmer NBP1005 - ASPIRE (Amundsen Sea Polynya International Research Expedition) [NBP1005]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


37. Underwater optical data during the cruise of TR/V Umitaka-Maru, UM0203 [UM0203_17_underwater_optical]
Spectral radiation, absorption coefficients, volume scattering function, chlorophyll a concentration, phytoplankton pigments concentration (HPLC), transparency in the Southern Ocean. The data were ...


38. Underwater optical data during the cruise of TR/V Umitaka-Maru, UM0506 [UM0506_17_underwater_optical]
Spectral radiation, absorption coefficients, volume scattering function, chlorophyll a concentration, phytoplankton pigments concentration (HPLC) and transparency in the Southern Ocean. The data ...


39. Underwater optical data during the cruise of TR/V Umitaka-Maru, UM0708 [UM0708_17_underwater_optical]
Spectral radiation, absorption coefficients, volume scattering function, chlorophyll a concentration, phytoplankton pigments concentration (HPLC) and transparency in the Southern Ocean. The data ...


40. Underwater optical data during the cruise of TR/V Umitaka-Maru, UM0405 [UM0405_17_underwater_optical]
Spectral radiation, absorption coefficients, volume scattering function, chlorophyll a concentration, phytoplankton pigments concentration (HPLC) and transparency in the Southern Ocean. The data ...


41. R/V Nathaniel B. Palmer NBP0301 - Transit [NBP0301]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


42. R/V Nathaniel B. Palmer NBP0306 - Collaborative Research: Antarctic Cretaceous-Cenozoic Climate, Glaciation, and Tectonics: Site surveys for drilling from the edge of the Ross Ice Shelf [NBP0306]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


43. R/V Nathaniel B. Palmer NBP0502 - Shallow Drilling on the Antarctic Continental Margin (SHALDRIL) [NBP0502]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


44. R/V Nathaniel B. Palmer NBP0602A - Shallow Drilling on the Antarctic Continental Margin (SHALDRIL) [NBP0602A]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


45. R/V Nathaniel B. Palmer NBP0802 - Ross-Sea outer continental shelf morphology and near-surface stratigraphy: Quaternary ice-sheet grounding-zone migrations and stratigraphy [NBP0802]   PARENT DIF
R/V Nathaniel B. Palmer NBP0802 - Ross-Sea outer continental shelf morphology and near-surface stratigraphy: Quaternary ice-sheet grounding-zone migrations and stratigraphy: Quaternary ice-sheet grounding-zone ...


46. R/V Nathaniel B. Palmer NBP0803 - Ross-Sea outer continental shelf morphology and near-surface stratigraphy: Quaternary ice-sheet grounding-zone migrations and stratigraphy [NBP0803]   PARENT DIF
R/V Nathaniel B. Palmer NBP0803 - Ross-Sea outer continental shelf morphology and near-surface stratigraphy: Quaternary ice-sheet grounding-zone migrations and stratigraphy: Quaternary ice-sheet grounding-zone ...


47. R/V Nathaniel B. Palmer NBP9702 - Early Tertiary Evolution of the Pacific-Australian-Antarctic Plate Circuit [NBP9702]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


48. R/V Nathaniel B. Palmer NBP9705 - DOVETAIL I and II [NBP9705]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


49. R/V Nathaniel B. Palmer NBP0206A - Transit [NBP0206A]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


50. R/V Nathaniel B. Palmer NBP0401 - Neotectonic Structure of Terror Rift, Western Ross Sea [NBP0401]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


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