- المجال: Education
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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 ...
One of two currents (the other being the Alaskan Stream) in the northwest Pacific that combine to form the Oyashio Current. The Kamchatka brings water southward from the Bering Sea, where it is associated with the quasi-permanent anticyclonic eddies found close the the western shore. These eddies are caused by bottom topography and coastline configuration and result in countercurrents along the coast.
Industry:Earth science
One of two groups into which plankton are divided, the other being zooplankton. Phytoplankton comprise all the freely floating photosynthetic forms in the oceans, i.e. they are free-floating microscopic plants which, having little mobility, are distributed by ocean currents. Most marine phytoplankton are found in one of five Phyla: Cyanophyta, Chrysophyta, Chlorophyta, Cryptophyta, and Pyrrophyta.
Industry:Earth science
One of two narrow, northward extensions of the Red Sea. The Gulf of Elat is 180 km long, 14–26 km wide, and has an average depth of 800 m and a maximum depth of 1800 m. The southern end of the Gulf is separated from the Red Sea by a shallow sill with a maximum depth of 270 m at the Straits of Tiran.
Industry:Earth science
One of two regions into which the ocean depths are sometimes divided according to temperature, the other being the psychrosphere. The thermosphere is the upper regions of the ocean where the temperature is greater than 10° C. This coincides with the ocean troposphere.
Industry:Earth science
One of two regions into which the ocean depths are sometimes divided according to temperature, the other being the thermosphere. The psychrosphere is those ocean depths where the temperature is less than 10° C, which can range anywhere from 100 to 700 m beneath the surface depending on oceanic conditions. This coincides with the ocean stratosphere.
Industry:Earth science
Ooze composed of the shells of small, planktonic swimming molluscs with a calcareous shell that live in tropical and subtropical waters. These are coarser than globigerina oozes, are found between 1500-3000 m depth and cover no more than 1% of the sea floor.
Industry:Earth science
Or or pertaining to continental margins and the adjacent abyssal plains.
Industry:Earth science
Organized in the late 1980s and representing marine and Great Lakes laboratories. It is composed of three regional associations:
Northeastern Association of Marine and Great Lakes Laboratories (NEAMGLL);
Southern Association of Marine Laboratories (SAML); and
Western Association of Marine Laboratories (WAML).
Industry:Earth science
Paleoclimate data inferred indirectly via the use of transfer functions. The underlying idea is that organisms exhibit a high degree of differentiation according to their physical environment, and that physical variables can be estimated from biotic distributions once the degree of relationship has been objectively established. For example, some present plankton species live in cold waters and others prefer warmer waters. If we make the additional assumption that fossil assemblages of these species (or their related ancestors) exhibited similar temperature tendencies, then we can infer, within limits, the temperature of the water in which they existed.
Industry:Earth science
Part of a project to develop a practical system that can manipulate qualitative information in a way that facilitates insights into observed and anticipated climate changes. At present CESNA can be used to estimate changes in mean winter and annual climatic characteristics with a one year lead time in the region that includes eastern North America, the North Atlantic, the adjacent Arctic seas and much of Europe.
Industry:Earth science
