permafrost retreat

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• glacial landform — ▪ geology Introduction  any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …   Universalium

• Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …   Wikipedia

• arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …   Universalium

• Climate change in the Arctic — Very substantial decrease in Arctic Sea ice in 2007 from 2005 and also from 1979–2000 average …   Wikipedia

• Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …   Wikipedia

• Climate change feedback — See also: Avoiding dangerous climate change, Runaway climate change, and Abrupt climate change Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each… …   Wikipedia

• Sea level rise — is an increase in sea level. Multiple complex factors may influence this change. Sea level has risen about 130 meters (400 ft) since the peak of the last ice age about 18,000 years ago. Most of the rise occurred before 6,000 years ago. From 3,000 …   Wikipedia

• Global warming — This article is about the change in climate Earth is currently experiencing. For general discussion of how Earth s climate can change, see Climate change …   Wikipedia

• Gletscherschmelze — Seit Mitte des 19. Jahrhunderts ist nahezu weltweit ein deutlicher Rückgang der Gletscher zu beobachten. Dieser Vorgang wird Gletscherschmelze oder Gletscherschwund genannt und darf nicht mit der in Gebirgen und Hochlagen alljährlich im… …   Deutsch Wikipedia

• Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …   Universalium

• Eisschmelze — Die Massenbalance der globalen Gletscher ist seit wenigstens 1960 deutlich negativ, wie das Schaubild verdeutlicht …   Deutsch Wikipedia