This dataset contains water temperature, salinity, and others collected by CTD from LE COMMANDANT CHARCOT in Northwestern Passages, Northwest Atlantic Ocean, and North Pacific Ocean. Due to global warming, the Arctic is experiencing rising temperatures resulting in the thawing of permafrost soil and an increase of glacial mass loss. These processes are expected to increase the flux of inorganic and organic nutrients into coastal ecosystems, reduce the salinity of surface waters, and change light conditions of the water column. Together, these environmental changes can affect the composition and distribution of the plankton community, likely favoring harmful algal species and associated phycotoxins. These harmful algae can impact public health and the economy of areas dependent on arctic resources. The aim of this project is to establish a baseline of the phytoplankton community composition in two understudied Arctic systems, heavily impacted by global warming: fjord systems with melting glaciers and coastal ecosystems impacted by permafrost thawing. To that end, oceanographic parameters (e.g., dissolved nutrients and organic carbon) and vitamins that shape the phytoplankton community, as well as dissolved and particulate phycotoxins, will be measured. Particulate phycotoxins will be studied both at the producer level (phytoplankton) and at the zooplankton level (phytoplankton natural predators), to address transference and conversion of phycotoxins in the first levels of the trophic web. Additionally, onboard bottle incubation experiments will be carried out to determine which nutrients (nitrogen, phosphorus, silicate, vitamins) may limit primary production and shape the phytoplankton community composition. Results obtained from this project will highlight possible plankton community shifts and their drivers and help predict future consequences of global warming in these two sensitive and changing arctic ecosystems. Data are in CSV format. This dataset is MSR/RATS cruise U2023-011 (Ponant RN035) as part of the World data center for oceanography.

Temperature profile, pressure, and light transmission data were collected using CTD and light transmission casts in the Northwest Ocean from OCEANUS. Data were collected from 24 April 1981 to 05 May 1981 by US Geological Survey; Woods Hole (USGS). Data has been processed by NODC to the NODC standard High-Resolution CTD/STD (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.

This dataset contains processed and calibrated water temperature and salinity CTD data from 7 cruises performed as part of WOCE and CLIVAR in the subpolar North Atlantic between 1994 and 2002. Data are in TXT format.

Temperature profile data were collected using CTD casts from the R/V HUDSON in the North Atlantic Ocean from June 1, 1985 to June 23, 1985. Data were collected by Dr. Barry Ruddick and Dr. Neil Oakey from the Dalhousie University; Institute of Oceanography as part of the Mediterranean EDDY Experiment (MEDDY).

Oceanographic profiles of temperature, salinity, and oxygen were acquired during numerous cruises in the North Atlantic, Norwegian Sea, North Sea, and the marginal seas of Northern Europe from 2015 to 2019. The data were submitted to the International Council for the Exploration of the Sea (ICES) and then submitted to NCEI by ICES. The measurements were made by CTD instruments.

Temperature profile and pressure data were collected from the NAVIGATION RESPONSE TEAM 2 from April 19, 2001 to December 15, 2001. Data were submitted by National Ocean Service (NOS) using CTD casts in the Northwest Atlantic Ocean.

This dataset contains pressure, temperature, salinity, oxygen, and density data for 130 CTD profiles collected during a Climate and Global Change cruise along 24N across the Atlantic. Data were acquired using a Sea-Bird 9plus CTD. The .ddf file is the NODC Data Documentation Form with additional tables of information.

Endeavor cruise EN-287 (referred to here as E9608), 14 August to 01 September, 1996, Narragansett to Narragansett, Rhode Island. Conventional CTD casts made to provide observations between SeaSoar tows.

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