How much did sea levels rise by after the last ice age?

Question

Ice displaces the same volume as water, so the amount of water that came from the sea to become 'ice cover', over massive landmasses like northern Asia and north America, MUST have caused a drop in sea level. So how great was the subsequent rise in sea level after the ice melted again?

Answer 1

The sea level fluctuates with seasonal glaciation (i.e. winter). Even though this is minimal, the difference each winter decreases as does the size of the glaciers at the Earths poles.  Also as the tremendous weight of the ice is removed from land, the land actually rises in an interglacial and therefore this would minimised any visual drop in sea level and made it appear to drop (i.e. Cliffs would appear to grow.)

Also the last significant ice age was believed to end around 10000 years ago, however there will have been many insignificant glaciations since then; however not enough to cause a major ice sheet advance.

Answer 2

THIS REPORTS  120 METER

[edit] Effects of glaciation

Although the last glacial period ended more than 8,000 years ago, its effects can still be felt today. For example, the moving ice carved out landscape in Canada, Greenland, northern Eurasia and Antarctica. The erratic boulders, till, drumlins, eskers, kettle lakes, moraines, cirques, horns, etc., are typical features left behind by the glaciers.

The weight of the ice sheets was so great that they deformed the earth's crust and mantle. After the ice sheets melted, the ice-covered land rebounded (see Post-glacial rebound). Due to the high viscosity of the Earth, the flow of mantle rocks which controls the rebound process is very slow – at a rate of about 1 cm/year near the center of rebound today.

During glaciation, water was taken from the oceans to form the ice at high latitudes, thus global sea level drops by about 120 meters, exposing the continental shelves and forming land-bridges between land-masses for animals to migrate. During deglaciation, the melted ice-water returned to the oceans, causing sea level to rise. This process can cause sudden shifts in coastlines and hydration systems resulting in newly submerged lands, emerging lands, collapsed ice dams resulting in salination of lakes, new ice dams creating vast areas of freshwater, and a general alteration in regional weather patterns on a large but temporary scale. It can even cause temporary reglaciation. This type of chaotic pattern of rapidly changing land, ice, saltwater and freshwater has been proposed as the likely model for the Baltic and Scandinavian regions, as well as much of central North America at the end of the last glacial maximum, with the present-day coastlines only being achieved in the last few millennia of prehistory. Also, the effect of elevation on Scandinavia submerged a vast continental plain that had existed under much of what is now the North Sea, connecting the British Isles to Continental Europe.

The redistribution of ice-water on the surface of the Earth and the flow of mantle rocks causes the gravitational field and the Moment of Inertia of the Earth to change. Changes in the moment of inertia result in a change in the rotational motion of the Earth. The redistribution of surface mass induced stress within the Earth and caused earthquakes (see Post-glacial rebound), according to some scientists. However, many mainstream geologists are doubtful that the effect on rotational motion, at least at the end of the last glacial maximum, was sufficient to create significant earthquake effect. That does not remove the possibility that the rebound itself generated regional tectonic effects.