Bermuda Atlantic Time-series Study
Template:Short description The Bermuda Atlantic Time-series Study (BATS) is a long-term oceanographic study by the Bermuda Institute of Ocean Sciences (BIOS). Based on regular (monthly or better) research cruises, it samples an area of the western Atlantic Ocean nominally at the coordinates Script error: No such module "Coordinates".. The cruise programme routinely samples physical[1] properties such as ocean temperature and salinity, but focuses on variables of biological or biogeochemical[2] interest including: nutrients (nitrate, nitrite, phosphate and silicic acid), dissolved inorganic carbon, oxygen, HPLC of pigments, primary production and sediment trap flux. The BATS cruises began in 1988 but are supplemented by biweekly Hydrostation "S" cruises to a neighbouring location (Script error: No such module "Coordinates".) that began in 1954.[3] The data collected by these cruises are available online.
Scientific Findings
As of 2017, research conducted at BATS has generated over 600 peer-reviewed articles. Among the findings are measurements showing the gradual acidification of the surface ocean, where surface water pH, carbonate ion concentration, and the saturation state for calcium carbonate minerals, such as aragonite, have all decreased since 1998. Additionally, studies at BATS have shown changes in the Revelle factor, suggesting that the capacity of North Atlantic Ocean surface waters to absorb carbon dioxide has diminished, even as seawater pCO2 has kept pace with increasing atmospheric pCO2.[4]
History
In 1954, Dr. Henry M. Stommel of Woods Hole Oceanographic Institution began conducting oceanographic research at Hydrostation 'S'. [5] Oceanographic data was collected on biweekly intervals and included temperature, salinity, and dissolved oxygen measurements. [6] Hydrostation 'S' is the longest-running oceanographic time-series study in the world and was originally referred to as "Panulirus hydrographic station" after the wooden research vessel R/V Panulirus that operated out of the Bermuda Biological Station (renamed the Bermuda Institute of Ocean Sciences), and was later renamed Hydrostation "S" to follow the naming convention of weather ship sites. [7] In 1988, Bermuda Institute of Ocean Sciences (BIOS) joined forces with the U.S. Joint Global Ocean Flux Study (JGOFS) program to commence the Bermuda Atlantic Time-series Study (BATS) alongside Hydrostation 'S' observations. [8]
See also
References
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