This dataset represents three years of water quality data collected in the South Florida Reef Tract. A standard suite of nutrient parameters (nitrate, nitrite, ammonium, urea, total nitrogen, orthophosphate, total phosphorus and silica) monthly from 2016 to 2018.

This dataset contains nutrient, chlorophyll, oxygen, and others taken by CTD water samples from the USCGC Healy, cruise HE1702, in the Bering and Chukchi Seas, and the Arctic Ocean. Discrete water samples from 141 CTD casts were collected in the Chukchi Sea from US Coast Guard Cutter Healy (HE1702, August 26 to September 15, 2017) as part of the 2017 Distributed Biological Observatory – Northern Chukchi Integrated Study (DBO-NCIS). The goal of DBO-NCIS was to document and understand ongoing changes to the Pacific-Arctic ecosystem in light of the changing physical drivers.

This dataset contains discrete measurements of water temperature, salinity, total dissolved inorganic carbon (DIC), total titration alkalinity (TA), pH on total scale, and calcium concentration. These data were collected between April 2014 and April 2018 in Lavaca-Matagorda, Guadalupe-San Antonio, Nueces-Corpus Christi estuaries along the northwestern Gulf of Mexico.

This dataset contains discrete profile measurements of dissolved inorganic carbon, total alkalinity, pH on total scale, ammonia, water temperature, salinity, dissolved oxygen and nutrients during the R/V F. G. Walton Smith cruise WS20231 (EXPOCODE 33WA20200818) in the Southeast U.S. Shelf, Gulf of Mexico from 2020-08-18 to 2020-08-22.

This dataset contains short-lived radioisotope (SLRad), sediment core photographs, and sediment texture and composition data collected aboard R/V Weatherbird II cruises WB-0812 and WB-1012, and R/V Pelican cruise PE12-22 in the northern Gulf of Mexico from 2012-04-09 to 2012-10-18. Both SLRad data and sediment texture and composition data were generated for selected core sub-samples at 2mm sampling intervals for “surficial unit” and 5mm sampling resolution intervals to the base of cores. Sediment texture values were expressed as percent gravel, sand, silt, and clay.

Cruise RL-20-02 by NOAA Ship Reuben Lasker in 2020 had the objective to service moorings for the CCE (California Current Ecosystem) and CORC (Consortium on the Ocean's Role in Climate) projects. To calibrate and validate the mooring data, CTD casts with water samples were done. The CTD data are reported here. The CTD data have been quality-controlled and adjusted using the water sample data. The raw CTD data files will become available through the Rolling Deck to Repository (R2R) program, and the water sample data through the Ocean Carbon and Acidification Data Portal at NCEI.

This dataset contains the discrete profile measurements of dissolved inorganic carbon, total alkalinity, pH on total scale, ammonia, water temperature, salinity, dissolved oxygen and nutrients during the R/V F. G. Walton Smith cruise WS20279 (EXPOCODE 33WA20201005) in the Southeast U.S. Shelf, Gulf of Mexico from 2020-10-05 to 2020-10-12. Increasing amounts of atmospheric carbon dioxide from human industrial activities are causing changes in global ocean carbon chemistry resulting in a reduction in pH, a process termed ocean acidification.

This dataset contains the discrete profile measurements of dissolved inorganic carbon, total alkalinity, pH on total scale, ammonia, water temperature, salinity, dissolved oxygen and nutrients during the R/V F. G. Walton Smith cruise WS20342 (EXPOCODE 33WA20201207) in the Southeast U.S. Shelf, Gulf of Mexico from 2020-12-07 to 2020-12-12. Increasing amounts of atmospheric carbon dioxide from human industrial activities are causing changes in global ocean carbon chemistry resulting in a reduction in pH, a process termed ocean acidification.

This dataset includes discrete profile measurements of dissolved inorganic carbon (DIC), total alkalinity, chlorofluorocarbons (CFC-11, CFC-12, CFC113), dissolved organic carbon (DOC), temperature, salinity, oxygen, nutrients, sulfur hexafluoride (SF6) and other variables collected during R/V Mirai MR19-04 (Leg 2) cruise, GO-SHIP section I08N (EXPOCODE 49NZ20191205) in the Indian Ocean from 2019-12-05 to 2019-12-27.

This dataset contains short-lived radioisotope (SLRad), sediment core photographs, and bulk density/porewater data from sediment cores collected aboard R/V Weatherbird II and R/V Justo Sierra cruises in the Gulf of Mexico from 2015-07-30 to 2015-10-01. Bulk density/porewater data reports measurements of sediment sample wet weight (g) and dry weight (g) for core sub-samples at 2mm sampling intervals for “surficial unit” and 5mm sampling resolution intervals to the base of cores. SLRad data were generated for selected core sub-samples.