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Kyslíkové izotopové stádium nebo kyslíkový … Kyslíkové izotopové stádium nebo kyslíkový izotopový stupeň (jiný, spíše novější, název: mořské izotopové stádium, mořský izotopový stupeň; angl. oxygen isotope stage, marine isotope stage; skr. OIS resp. MIS) je jedno z období, která za sebou následují od současnosti až do daleké minulosti, a které jsou definovány na základě změny v organických a anorganických nálezech z daných období. Tato změna má kvazi-cyklický charakter - v chladném období, kdy se zvětšují kontinentální ledovce, poměr stoupá, v teplém období, kdy se kontinentální ledovce zmenšují, poměr klesá. OIS se používá:
* Na přesné vyjádření střídání skutečných ledových a meziledových dob (na rozdíl od nepřesného a často sporného tradičního dělení např. Na Würm, atd. - viz glaciál) a
* Na přibližné časové zařazení nálezů v archeologii a geologii (t.j. pokud přesnější datum není známo, tak se místo tradiční formulace, že nález patří - například - do období , uvede, že nález patří do období OIS 8). OIS s lichým číslem značí teplejší období (t.j. "technické" meziledové doby) a OIS se sudým číslem značí chladnější období (tj "technické" ledové doby). Některé OIS (nejčastěji OIS 5) se ještě obvykle dále dělí na menší stádia označované písmeny a, b, c atd. Změny poměru 18O /16O byly na sledování změn zalednění na Zemi poprvé použity v 60. letech 20. století (v 50. letech byly nejprve použity ke sledování změn teploty mořské vody).ty ke sledování změn teploty mořské vody).
, Een Marine Isotope Stage, (Engels voor: ma … Een Marine Isotope Stage, (Engels voor: mariene isotopen-etage); acroniem: MIS, is een onderverdeling in de chronostratigrafie, gebaseerd op grond van de veranderingen in de verhouding tussen lichte en zware isotopen van zuurstof, zoals die wordt aangetroffen in kalkige fossielen uit diepzeekernen. Deze stratigrafie wordt ook wel de oceaanstratigrafie genoemd; een vroeger gebruikt acroniem is OIS (Engels: Oxygen Isotope Stage).iem is OIS (Engels: Oxygen Isotope Stage).
, 海洋同位素阶段（Marine isotope stages），简称MIS，又称海洋氧同位素阶段、深海氧同位素阶段（Marine oxygen-isotope stages）或氧同位素阶段（Oxygen isotope stages）简称OIS， 用来描述地球冷暖交替周期。地球冷暖会影响海洋水中的δ18O数值的变化，暖的时候小，冷的时候大。阶段由今到古按冷暖依次编号，暖为奇数，冷为偶数，末次冰期结束后到现在为MIS1阶段，MIS2-4为末次冰期，MIS5则是。
, Ett syreisotopstadium är ett klimatstadium … Ett syreisotopstadium är ett klimatstadium i jordens historia som identifierats genom mätning av förhållandet mellan syreisotoper. Förhållandet mellan halterna av syreisotoperna 18O och 16O i havslevande skaldjur beror på jordens klimat. Genom mätningar av kvartära och neogena lagerserier på havsbottnarna har man identifierat över hundra syreisotopstadier som numreras från nutid och bakåt. Man använder den engelska beteckningen Marine isotope stage med förkortningen MIS. Som exempel motsvaras MIS 1 av vår nuvarande värmetid Flandern och MIS 10 av istiden Elster för 340-380 miljoner år sedan. Udda nummer utgör varma stadier och jämna nummer kalla stadier.ma stadier och jämna nummer kalla stadier.
, Os estágios de isótopos de oxigênio marinh … Os estágios de isótopos de oxigênio marinhos, estágios de isótopos marinhos (MIS) ou estágios de isótopos de oxigênio (OIS), alternam períodos quentes e frios no paleoclima da Terra, deduzidos de dados de isótopos de oxigênio que refletem mudanças na temperatura derivadas de dados de amostras do núcleo do fundo do mar. Trabalhando para trás a partir do presente, que é MIS 1 na escala, estágios com números pares têm altos níveis de oxigênio-18 e representam períodos glaciais frios, enquanto os estágios de número ímpar são vales nas figuras de oxigênio-18, representando intervalos interglaciais quentes . Os dados são derivados de restos de pólen e foraminíferos (plâncton) em núcleos de sedimentos marinhos perfurados, sapropels e outros dados que refletem o clima histórico; estes são chamados proxies.ima histórico; estes são chamados proxies.
, Uno stadio isotopico marino (o MIS, dall'i … Uno stadio isotopico marino (o MIS, dall'inglese Marine Isotope Stages), o più compiutamente stadio dell'isotopo marino dell'ossigeno, è uno dei periodi alternati caldi e freddi del clima terrestre, dedotti dalle variazioni del rapporto tra gli isotopi 16O e 18O dell'ossigeno presenti nei sedimenti fossili ottenuti da carotaggi di sedimenti estratti dai fondali marini. di sedimenti estratti dai fondali marini.
, Sauerstoff-Isotopenstufe (auch: Marine Iso … Sauerstoff-Isotopenstufe (auch: Marine Isotope Stage, MIS; Isotopenstadium oder engl. Oxygen Isotope Stage, OIS) bezeichnet in der Geologie die Datierung von Sedimentschichten anhand der in ihnen enthaltenen stabilen Isotope des Sauerstoffs. Bei niedrigeren Temperaturen wurde in die Skelette fossiler Foraminiferen ein höherer Anteil von 18O eingebaut als bei wärmeren Temperaturen. Daher variiert das Verhältnis von 18O zu 16O im Kalzit am Ozeanboden je nach Warmzeit oder Kaltzeit. So kann der Verlauf des Klimas im Quartär rekonstruiert werden. Ähnliche Untersuchungen existieren für das gesamte Känozoikum.gen existieren für das gesamte Känozoikum.
, Marine isotope stages (MIS), marine oxygen … Marine isotope stages (MIS), marine oxygen-isotope stages, or oxygen isotope stages (OIS), are alternating warm and cool periods in the Earth's paleoclimate, deduced from oxygen isotope data reflecting changes in temperature derived from data from deep sea core samples. Working backwards from the present, which is MIS 1 in the scale, stages with even numbers have high levels of oxygen-18 and represent cold glacial periods, while the odd-numbered stages are lows in the oxygen-18 figures, representing warm interglacial intervals. The data are derived from pollen and foraminifera (plankton) remains in drilled marine sediment cores, sapropels, and other data that reflect historic climate; these are called proxies. The MIS timescale was developed from the pioneering work of Cesare Emiliani in the 1950s, and is now widely used in archaeology and other fields to express dating in the Quaternary period (the last 2.6 million years), as well as providing the fullest and best data for that period for paleoclimatology or the study of the early climate of the Earth, representing "the standard to which we correlate other Quaternary climate records". Emiliani's work in turn depended on Harold Urey's prediction in a paper of 1947 that the ratio between oxygen-18 and oxygen-16 isotopes in calcite, the main chemical component of the shells and other hard parts of a wide range of marine organisms, should vary depending on the prevailing water temperature in which the calcite was formed. Over 100 stages have been identified, currently going back some 6 million years, and the scale may in future reach back up to 15 mya. Some stages, in particular MIS 5, are divided into sub-stages, such as "MIS 5a", with 5 a, c, and e being warm and b and d cold. A numeric system for referring to "horizons" (events rather than periods) may also be used, with for example MIS 5.5 representing the peak point of MIS 5e, and 5.51, 5.52 etc. representing the peaks and troughs of the record at a still more detailed level. For more recent periods, increasingly precise resolution of timing continues to be developed.ution of timing continues to be developed.
, La chronologie isotopique est fondée sur l … La chronologie isotopique est fondée sur les variations des températures moyennes de la planète au cours du temps, déduites des proportions des isotopes 16O et 18O de l'oxygène (stades isotopiques de l'oxygène ou SIO) trouvées dans les carottages océaniques et glaciaires réalisés par les chercheurs. Valable à l'échelle planétaire, elle se substitue aujourd'hui aux chronologies locales fondées sur les périodes glaciaires traditionnelles. Dans la littérature, elle est généralement signifiée par les initiales anglaises « MIS » (Marine isotope stage). anglaises « MIS » (Marine isotope stage).
, 海洋酸素同位体ステージ（かいようさんそどういたいステージ、英：Marine oxygen Isotope Stage, MIS）は、天然に存在する酸素の同位体の比による過去の気温に基づいたステージ区分。 海底に連続して堆積した堆積物をボーリングし、サンプリングされた深海底ボーリングコア中の有孔虫の殻の酸素同位体比率から、古海洋水温の変動を推測、構成する。
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海洋酸素同位体ステージ（かいようさんそどういたいステージ、英：Marine oxygen Isotope Stage, MIS）は、天然に存在する酸素の同位体の比による過去の気温に基づいたステージ区分。 海底に連続して堆積した堆積物をボーリングし、サンプリングされた深海底ボーリングコア中の有孔虫の殻の酸素同位体比率から、古海洋水温の変動を推測、構成する。
, Kyslíkové izotopové stádium nebo kyslíkový … Kyslíkové izotopové stádium nebo kyslíkový izotopový stupeň (jiný, spíše novější, název: mořské izotopové stádium, mořský izotopový stupeň; angl. oxygen isotope stage, marine isotope stage; skr. OIS resp. MIS) je jedno z období, která za sebou následují od současnosti až do daleké minulosti, a které jsou definovány na základě změny v organických a anorganických nálezech z daných období. Tato změna má kvazi-cyklický charakter - v chladném období, kdy se zvětšují kontinentální ledovce, poměr stoupá, v teplém období, kdy se kontinentální ledovce zmenšují, poměr klesá. OIS se používá:vce zmenšují, poměr klesá. OIS se používá:
, Een Marine Isotope Stage, (Engels voor: ma … Een Marine Isotope Stage, (Engels voor: mariene isotopen-etage); acroniem: MIS, is een onderverdeling in de chronostratigrafie, gebaseerd op grond van de veranderingen in de verhouding tussen lichte en zware isotopen van zuurstof, zoals die wordt aangetroffen in kalkige fossielen uit diepzeekernen. Deze stratigrafie wordt ook wel de oceaanstratigrafie genoemd; een vroeger gebruikt acroniem is OIS (Engels: Oxygen Isotope Stage).iem is OIS (Engels: Oxygen Isotope Stage).
, Ett syreisotopstadium är ett klimatstadium … Ett syreisotopstadium är ett klimatstadium i jordens historia som identifierats genom mätning av förhållandet mellan syreisotoper. Förhållandet mellan halterna av syreisotoperna 18O och 16O i havslevande skaldjur beror på jordens klimat. Genom mätningar av kvartära och neogena lagerserier på havsbottnarna har man identifierat över hundra syreisotopstadier som numreras från nutid och bakåt. Man använder den engelska beteckningen Marine isotope stage med förkortningen MIS. Som exempel motsvaras MIS 1 av vår nuvarande värmetid Flandern och MIS 10 av istiden Elster för 340-380 miljoner år sedan. Udda nummer utgör varma stadier och jämna nummer kalla stadier.ma stadier och jämna nummer kalla stadier.
, La chronologie isotopique est fondée sur l … La chronologie isotopique est fondée sur les variations des températures moyennes de la planète au cours du temps, déduites des proportions des isotopes 16O et 18O de l'oxygène (stades isotopiques de l'oxygène ou SIO) trouvées dans les carottages océaniques et glaciaires réalisés par les chercheurs. Valable à l'échelle planétaire, elle se substitue aujourd'hui aux chronologies locales fondées sur les périodes glaciaires traditionnelles. Dans la littérature, elle est généralement signifiée par les initiales anglaises « MIS » (Marine isotope stage). anglaises « MIS » (Marine isotope stage).
, 海洋同位素阶段（Marine isotope stages），简称MIS，又称海洋氧同位素阶段、深海氧同位素阶段（Marine oxygen-isotope stages）或氧同位素阶段（Oxygen isotope stages）简称OIS， 用来描述地球冷暖交替周期。地球冷暖会影响海洋水中的δ18O数值的变化，暖的时候小，冷的时候大。阶段由今到古按冷暖依次编号，暖为奇数，冷为偶数，末次冰期结束后到现在为MIS1阶段，MIS2-4为末次冰期，MIS5则是。
, Sauerstoff-Isotopenstufe (auch: Marine Isotope Stage, MIS; Isotopenstadium oder engl. Oxygen Isotope Stage, OIS) bezeichnet in der Geologie die Datierung von Sedimentschichten anhand der in ihnen enthaltenen stabilen Isotope des Sauerstoffs.
, Uno stadio isotopico marino (o MIS, dall'i … Uno stadio isotopico marino (o MIS, dall'inglese Marine Isotope Stages), o più compiutamente stadio dell'isotopo marino dell'ossigeno, è uno dei periodi alternati caldi e freddi del clima terrestre, dedotti dalle variazioni del rapporto tra gli isotopi 16O e 18O dell'ossigeno presenti nei sedimenti fossili ottenuti da carotaggi di sedimenti estratti dai fondali marini. di sedimenti estratti dai fondali marini.
, Os estágios de isótopos de oxigênio marinh … Os estágios de isótopos de oxigênio marinhos, estágios de isótopos marinhos (MIS) ou estágios de isótopos de oxigênio (OIS), alternam períodos quentes e frios no paleoclima da Terra, deduzidos de dados de isótopos de oxigênio que refletem mudanças na temperatura derivadas de dados de amostras do núcleo do fundo do mar. Trabalhando para trás a partir do presente, que é MIS 1 na escala, estágios com números pares têm altos níveis de oxigênio-18 e representam períodos glaciais frios, enquanto os estágios de número ímpar são vales nas figuras de oxigênio-18, representando intervalos interglaciais quentes . Os dados são derivados de restos de pólen e foraminíferos (plâncton) em núcleos de sedimentos marinhos perfurados, sapropels e outros dados que refletem o clima histórico; estes são chamadosetem o clima histórico; estes são chamados
, Marine isotope stages (MIS), marine oxygen … Marine isotope stages (MIS), marine oxygen-isotope stages, or oxygen isotope stages (OIS), are alternating warm and cool periods in the Earth's paleoclimate, deduced from oxygen isotope data reflecting changes in temperature derived from data from deep sea core samples. Working backwards from the present, which is MIS 1 in the scale, stages with even numbers have high levels of oxygen-18 and represent cold glacial periods, while the odd-numbered stages are lows in the oxygen-18 figures, representing warm interglacial intervals. The data are derived from pollen and foraminifera (plankton) remains in drilled marine sediment cores, sapropels, and other data that reflect historic climate; these are called proxies.istoric climate; these are called proxies.
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| rdfs:label |
Marine Isotope Stage
, Sauerstoff-Isotopenstufe
, Stadio isotopico marino
, Chronologie isotopique
, Kyslíkové izotopové stádium
, Syreisotopstadium
, Estágios isotópicos de oxigênio marinho
, Marine isotope stages
, 海洋酸素同位体ステージ
, 海洋同位素阶段
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| rdfs:seeAlso |
http://dbpedia.org/resource/Timeline_of_glaciation +
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