Not exact matches
Sea
ice and
glaciers are melting, permafrost is thawing, tundra is
yielding to shrubs — and scientists are struggling to understand how these changes will affect not just the Arctic but the entire planet
«
Ice cave in Transylvania
yields window into region's past: Scientists conduct ancient climate research on oldest cave
glacier in the world.»
Their results
yielded two surprises: The melt rate for
glaciers and
ice caps outside Antarctica and Greenland made a smaller contribution to sea - level rise than had been estimated, and the melt rate in the Asian mountains, including the Himalayas, was dramatically lower: 4 billion tons annually versus up to 50 billion.
In many rivers fed by
glaciers, there will be a «meltwater dividend» during some part of the 21st century, due to increasing rates of loss of
glacier ice, but the continued shrinkage of the
glaciers means that after several decades the total amount of meltwater that they
yield will begin to decrease (medium confidence).