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As part of several inter-agency agreements between the National Marine Mammal Laboratory (NMML) and the Bureau of Ocean Energy Management (BOEM), visual surveys of the Bering, Chukchi, and Western Beaufort Seas were conducted within the months of July to September every year starting in 2010. Visual surveys were used to document distribution of marine mammals, with specific focus on cetacean species. Since 2010, 9 cetacean species and a total of 17 marine mammal species were documented.

The data set contains information on locations sampled, gears used, and whether red snapper were observed. If a red snapper was caught its total length was recorded.

The Institute of Marine Science, University of Alaska is responsible for this data collected on R/V Little Dipper cruises LO37-LO56 from 03/01/95 to 02/06/98 by Dr. Tom Royer of the Institute of Marine Science. The data was collected for the "Oceanographic Time Series in North Pacific" project funded by NOAA, Grant No. NA90AA-D-AC805. There was a total of 2 stations in the Resurrection Bay and Gulf of Alaska area. Data has been processed to the NODC standard High-Resolution STD/CTD Data (F022) format. The F022 format contains high-resolution data collected using CTD (conductivity-temperature-depth) and STD (salinity-temperature-depth) instruments. As they are lowered and raised in the oceans, these electronic devices provide nearly continuous profiles of temperature, salinity, and other parameters. Data values may be subject to averaging or filtering or obtained by interpolation and may be reported at depth intervals as fine as 1m. Cruise and instrument information, position, date, time and sampling interval are reported for each station. Environmental data at the time of the cast (meteorological and sea surface conditions) may also be reported. The data record comprises values of temperature, salinity or conductivity, density (computed sigma-t), and possibly dissolved oxygen or transmissivity at specified depth or pressure levels. Data may be reported at either equally or unequally spaced depth or pressure intervals. A text record is available for comments.

어도사진 공모전은 우리 하천과 강에 설치된 어도의 아름다움과 생태적 가치를 국민과 함께 공유하고, 어도의 중요성을 널리 알리기 위해 마련된 사진 공모 행사입니다. 어도는 물고기가 댐이나 보, 하천 구조물로 인해 이동이 막히는 것을 돕는 친환경 통로로, 수생태계 보전과 어류의 생태적 다양성을 유지하는 데 중요한 역할을 합니다.공모전에서는 어도의 기능과 풍경, 생태적 의미를 담은 사진 작품을 모집하며, 일반인 누구나 참여할 수 있어 생태 환경 보전에 대한 인식을 넓히는 기회가 됩니다.특히 공모전 출품작은 단순히 경관 사진을 넘어 생명의 흐름과 환경의 소중함을 기록하는 자료로 활용되며 해양수산부는 이를 통해 국민이 어도의 필요성을 쉽게 이해하고 친환경적 수자원 관리에 공감할 수 있도록 하고 있습니다.수상작은 전시, 홍보자료, 교육 콘텐츠 등으로 활용되어 지속적인 환경 보전 활동에 기여하게 됩니다.

The project consisted of a nearshore fish, invertebrate, and habitat survey in northern Bristol Bay, Alaska. A 32-ft. gillnet vessel, the F/V Willow was chartered for the survey, and we also used a 20-ft. aluminum skiff with 90-hp. motor for shallow water work. The survey was staged out of Dillingham, Alaska and took place from July 26-August 8, 2009. The main gear types used during the survey were a beach seine and a bottom beam trawl. A surface pair trawl (towed by the vessel and the skiff) was deployed in one location. Using these gear types, we sampled from the shoreline to 17 m depth, as well as surface waters ~1 km from the shoreline. Catches were sorted to species, enumerated, and when possible weighed using spring scales. Length measurements were taken for most species. Voucher specimens were preserved in 10% formalin for confirmation of species identification. A small number of samples were frozen for age and energetics analysis. Photographs were taken of most species. Small, datalogging conductivity-temperature-depth recorders (CTDs) were deployed on the trawl gear, and also placed on temporary moorings in several locations to study fluctuations in temperature and salinity over tidal cycles. We also recorded habitat variables at beach seine sites according to the methodology used in the Nearshore Fish Atlas of Alaska. During July 26-August 1, 2009 sampling was conducted in Nushagak Bay. High wind and waves hampered the sampling throughout this entire week and largely determined possible sampling locations. Two days were completely lost due to weather. On August 3 we traveled from Dillingham to the west side of the Nushagak and from August 4-8 sampling was conducted along the Nushagak Peninsula and in Kulukak, Nunavachak, Ungalikthluk, and Togiak Bays. During most of this time we experienced high winds but they did not hamper the sampling to the same degree as in the Nushagak. On August 8 we traveled back to Dillingham.

This dataset contains video products from R/V Atlantis and Alvin submersible from the first leg of the Gulf of Alaska 2002 Expedition headed north from Astoria, Oregon, to study several unexplored seamounts in the Gulf of Alaska to understand how they formed and determine their historic history. Additional operations included species collection, habitat characterization, and studies of benthic community structures.

A highly productive habitat named as “Green Belt” locates along the edge of the continental shelf in the Bering Sea. Enormous seabirds and whales accumulate in a limited area of the south-eastern Bering Sea during summer, which is called as “the Aleutian Magic”. To elucidate the mechanism of this biological phenomenon, we conducted oceanographic researches using R/V Mirai during the period of the Aleutian Magic. This cruise started on August 5, 2017 at Dutch Harbor, Alaska, USA and ended on August 21, 2017 at Dutch Harbor. We conducted bottom observations and biological sampling using a deep-tow camera system equipped with a dredger (11 tows), multi-layer plankton sampling using the Vertical Multiple Plankton Sampler (VMPS, 32 casts), sediment core sampling using a multiple corer (13 casts), water sampling and physico-chemical measurements using a CTD and Niskin bottle carousel (46 casts in total) at depths between 0 – 2500 m. Sediments in areas shallower than 1000 m were coarse and no evidence was seen for xtraordinary organic falls. In contrast, sediments in areas deeper than 1500 m were fine, which were similar to “ordinary” deep-sea sediments. About 10 times of the Aleutian Magic were observed during this cruise at a depth of 100 m at the east end of the Bering Canyon. These events occurred in a small region (named as “Station M”), which was similar to that of previous records. CTD/hydro casts and plankton sampling were conducted across Station M. Higher concentrations of turbidity and chlorophyll were observed at downstream location from the station. Many Limacina and Clione gastropods were collected and a dense aggregation of juvenile cods were observed at Station M. Cruise data are available from the JAMSTEC DARWIN portal, see the Documentation on the dataset landing page. This dataset is U.S. State Department MSR U2016-038 as part of the World Data Services for Geophysics and Oceanography.