- 行业: Education
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- Company Profile:
Founded in 1876, Texas A&M University is a U.S. public and comprehensive university offering a wide variety of academic programs far beyond its original label of agricultural and mechanical trainings. It is one of the few institutions holding triple federal designations as a land-, sea- and ...
A method suggested by Jacobsen in 1927 to compute eddy coefficients using T-S diagrams.
Industry:Earth science
A microlayer hundreds of microns thick located at the sea–air interface. These are the site of intense accumulation of organic matter from underlying waters or atmospheric deposition.
Industry:Earth science
A mid-latitude mean atmospheric circulation cell for weather proposed by Ferrel in the 19th century. In this cell the air flows poleward and eastward near the surface and equatorward and westward at higher levels. This is now known to disagree with reality, although it is sometimes used to describe a mid-latitude circulation identifiable in mean meridional wind patterns.
Industry:Earth science
A model of global thermohaline circulation developed by Henry Stommel and Arnold Arons in a series of papers starting in 1961. This model combines sources of abyssal water at either pole, the turbulent mixing of warm surface water downward, the broad and slow upward flow of cold deep water, and deep western boundary currents in a dynamically consistent manner to provide a first-order explanation for that part of the general ocean circulation driven by spatial differences in the salinity, temperature and, therefore, density of sea water.
Industry:Earth science
A modified form of Levantine Intermediate Water (LIW) found in the Adriatic Sea. It has a temperature of 14°C and a salinity of 38.7 psu.
Industry:Earth science
A modified form of Levantine Intermediate Water (LIW) that enters the southern Aegean Sea as LIW via the eastern Cretan Straits and is ventilated and transformed by convective processes to become a slightly denser intermediate water mass.
Industry:Earth science
A moored oceanographical and meteorological buoy system operating in Prince William Sound, Alaska since late 1991. This started out as part of the CFOS project but became part of the SEA project in 1994. The buoy is moored to the southeast of Naked Island, Alaska in water 190 m deep. It is usually deployed in late February or early March and recovered in late November. C–LAB consists of a suite of meteorological instruments to measure wind speed and direction, air temperature, and barometric pressure. Water temperature measurements are made at 11 different depths, and there is a fluorometer at 10 m depth to measure the fluorescence of microscopic phytoplankton. Data are collected 12–18 times per day via the ARGOS system.
Industry:Earth science
A multicycle RAFOS type float developed by IFREMER and TEKELEC (nowMARTEC). A MARVOR float cycles several times between the surface and its planned depth during its mission. When it surfaces it sends the data collected to the ARGOS satellite which relays it to land-based stations. It is equipped with a hydraulic system that controls its depth by transferring oil from an internal reservoir to the external ballast.
Industry:Earth science
A multi–disciplinary and – institutional program focusing on a number of aspects of the atmospheric chemistry over the North Atlantic Ocean. The objectives of AEROCE are:
to gauge the impact of anthropogenic sources on the chemical and physical properties of the atmosphere;
to assess the consequences of the perturbuations on natural processes including climate; and
to predict the longer term efforts via the use of models. The program officially started in 1987 with coordinate measurements from four stations, i.e. Barbados, West Indies; Bermuda; Iza˜na, Tenerife, Canary Islands; and Mace Head Ireland. Five more stations were added in June 1995 to give greater geographical coverage of continuous measurements of bulk aerosol chemical composition and condensation nuclei.
Industry:Earth science
A multidisciplinary program designed to become the French contribution of CLIVAR in the tropical Atlantic. The PIRATA program will be part of ECLAT.
Industry:Earth science
