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21 Zirkulation
циркуляция водных слоев
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
overturn (limnology)
The circulation, especially in the fall and spring, of the layers of water in a lake or sea, whereby surface water sinks and mixes with bottom water; it is caused by changes in density differences due to changes in temperature, and is especially common wherever lakes are icebound in winter. (Source: BJGEO)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
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Немецко-русский словарь нормативно-технической терминологии > Zirkulation
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22 Meereskreislauf
циркуляция морской воды
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
sea circulation
Large-scale horizontal water motion within an ocean. The way energy from the sun, stored in the sea, is transported around the world. The currents explain, for example, why the UK has ice-free ports in winter, while St. Petersburg, at the same latitude as the Shetland Islands, needs ice breakers. Evidence is growing that the world's ocean circulation was very different during the last ice age and has changed several times in the distant past, with dramatic effects on climate. The oceans are vital as storehouses, as they absorb more than half the sun's heat reaching the earth. This heat, which is primarily absorbed near the equator is carried around the world and released elsewhere, creating currents which last up to 1.000 years. As the Earth rotates and the wind acts upon the surface, currents carry warm tropical water to the cooler parts of the world. The strength and direction of the currents are affected by landmasses, bottlenecks through narrow straits, and even the shape of the sea-bed. When the warm water reaches polar regions its heat evaporates into the atmosphere, reducing its temperature and increasing its density. When sea-water freezes it leaves salt behind in the unfrozen water and this cold water sinks into the ocean and begins to flow back to the tropics. Eventually it is heated and begins the cycle all over again. (Source: MGH / WRIGHT)
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Немецко-русский словарь нормативно-технической терминологии > Meereskreislauf
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См. также в других словарях:
surface density — plotinis tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Apibrėžtį žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. area density; areic mass; surface density vok. Flächendichte, f; Oberflächendichte, f rus.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
surface density — plotinis tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Dydžio kiekis vienetiniame (fizikinės erdvės) paviršiaus (hiperpaviršiaus) plote. atitikmenys: angl. area density; areic mass; surface density vok. Flächendichte, f;… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
surface density — plotinis tankis statusas T sritis chemija apibrėžtis Vienetinio ploto (pvz., sluoksniuotųjų plastikų) masė. atitikmenys: angl. area; areic mass; surface density rus. поверхностная плотность … Chemijos terminų aiškinamasis žodynas
surface density — paviršinis tankis statusas T sritis fizika atitikmenys: angl. surface density vok. Oberflächendichte, f rus. поверхностная плотность, f pranc. densité superficielle, f … Fizikos terminų žodynas
surface density of current — paviršinės srovės tankis statusas T sritis fizika atitikmenys: angl. surface current density; surface density of current vok. Flächenstromdichte, f; Oberflächenstromdichte, f rus. плотность поверхностного тока, f; поверхностная плотность тока, f… … Fizikos terminų žodynas
surface density of charge — plotinis krūvio tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Elektros krūvis, padalytas iš paviršiaus ploto. Matavimo vienetas: C/m². atitikmenys: angl. areic charge; surface density of charge vok. Flächenladungsdichte, f… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
surface density of mechanical impedance — paviršinis kompleksinės mechaninės varžos tankis statusas T sritis Standartizacija ir metrologija apibrėžtis Kompleksinis garso slėgis, padalytas iš kompleksinio dalelių greičio. atitikmenys: angl. surface density of mechanical impedance … Penkiakalbis aiškinamasis metrologijos terminų žodynas
surface density — noun : a quantity (as mass or electricity) per unit area distributed over a surface * * * Physics. quantity, as of electric charge, per unit surface area … Useful english dictionary
surface density — Physics. quantity, as of electric charge, per unit surface area. * * * … Universalium
Surface density — Поверхностная плотность … Краткий толковый словарь по полиграфии
electric charge surface density — paviršinis elektros krūvio tankis statusas T sritis radioelektronika atitikmenys: angl. electric charge surface density vok. Oberflächenladungsdichte, f rus. поверхностная плотность электрического заряда, f pranc. densité de charge superficielle … Radioelektronikos terminų žodynas
