- Alpengletscher wachsen - - Elli -, 19.10.2007, 14:44
- ...und gleichzeitig eine Rekordschmelze in der Arktis - Sorrento, 19.10.2007, 14:54
- Kauft Filzstiefel: Die Klimaerwärmung weicht bald einer Kaltzeit - Ecki1, 19.10.2007, 17:04
- Re: Alpengletscher wachsen *Alpengletscher* = Montblanc *g* (o.Text) - Cujo, 19.10.2007, 15:35
- Alpengletscher wachsen - DAS GEHT NICHT! gez. Al Gore *LOL* (o.Text) - LenzHannover, 19.10.2007, 21:34
- Es mag Ausnahmen geben, aber - Laui, 19.10.2007, 23:21
- Re: Es mag Ausnahmen geben, aber - Cujo, 19.10.2007, 23:35
- Re: Es mag Ausnahmen geben, aber - du bist ein böser Klimaschänder - Cichetteria, 21.10.2007, 10:14
- Re: Es mag Ausnahmen geben, aber.. - Herbi, dem Bremser, 20.10.2007, 09:12
- Re: Es mag Ausnahmen geben, aber - Cujo, 19.10.2007, 23:35
- Re: Alpengletscher wachsen - Cujo, 19.10.2007, 23:42
- Re: Alpengletscher wachsen - Elmarion, 20.10.2007, 17:53
- ...und gleichzeitig eine Rekordschmelze in der Arktis - Sorrento, 19.10.2007, 14:54
...und gleichzeitig eine Rekordschmelze in der Arktis
-->>Eben dieser höchste Berg, der Mont Blanc, wuchs in den letzten beiden Jahren um 2,15 m in die Höhe und erreichte damit sein historisches Maximum von 4810,90 m. Der Grund liegt bei seiner wachsenden Schneedecke. Das relative Volumen seines Gletschers hat sich von 14300 auf 24100 m³ fast verdoppelt.
Das macht also 10 Hektar Eis mehr...
The Big Melt
by David Spratt
The Arctic sea ice is disintegrating"100 years ahead of schedule", having dropped 22% this year below the previous minimum low, and it may completely disappear as early as the northern summer of 2013...
Executive summary
• Climate change impacts are happening at lower temperature increases and more quickly than projected.
• The Arctic's floating sea ice is headed towards rapid summer disintegration as early as 2013, a century ahead of the International Panel on Climate Change (IPCC) projections.
• The rapid loss of Arctic sea ice will speed up the disintegration of the Greenland ice sheet, and a rise in sea levels by even as much as 5 metres by the turn of this century is possible.
• The Antarctic ice shelf reacts far more sensitively to warming temperatures than previously believed.
• Long-term climate sensitivity (including"slow" feedbacks such as carbon cycle feedbacks which are starting to operate) may be double the IPCC standard.
• A doubling of climate sensitivity would mean we passed the widely accepted 2°C threshold of"dangerous anthropogenic interference" with the climate four decades ago, and would require us to find the means to engineer a rapid drawdown of current atmospheric greenhouse gas.
• Carbon dioxide (CO2) emissions are now growing more rapidly than"business-as-usual", the most pessimistic of the IPCC scenarios.
• Temperatures are now within ≈1°C of the maximum temperature of the past million years.
[img][/img]
<ul> ~ Quelle</ul>
gesamter Thread: