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Hace 4 días · Ice age, any geologic period during which thick ice sheets cover vast areas of land. Such periods of large-scale glaciation may last several million years and drastically reshape surface features of entire continents. A number of major ice ages have occurred throughout Earth history.
Hace 5 días · Read science articles on the ice age, glaciation and climatology. Discover the connection between ice ages and global warming.
Hace 4 días · The most recent ice age has been in effect for the past 2.6 million years, and at its peak (18,000 years ago) the ice sheets were almost 4,000 meters high.
Hace 3 días · The Greenland ice sheet is an ice sheet which forms the second largest body of ice in the world. It is an average of 1.67 km (1.0 mi) thick, and over 3 km (1.9 mi) thick at its maximum. [2] .
Hace 3 días · Earth lost 28 trillion tonnes of ice between 1994 and 2017: ice sheets and glaciers raised the global sea level by 34.6 ± 3.1 mm. The rate of ice loss has risen by 57% since the 1990s−from 0.8 to 1.2 trillion tonnes per year.
Hace 5 días · Climate change - Global Cooling, Ice Age, Human Impact: The Earth system has undergone a general cooling trend for the past 50 million years, culminating in the development of permanent ice sheets in the Northern Hemisphere about 2.75 million years ago.
