Tree rings detail 470 years of ‘monsoon failure’
U. ARIZONA (US) — Tree rings in southwestern North America show that long-term droughts have been caused by a lack of both summer and winter rains. Continue…
Tuesday, March 12, 2013 12:12 - 0 Comments
Earth & Environment - Mar 7, 2013 6:03 - 1 Comment
Antarctica: Flat to fjord 34M years ago
U. ARIZONA (US) — Antarctica’s topography began changing from flat to fjord-filled about 34 million years ago—an important finding for modeling how the Antarctic ice sheet affects global climate and sea-level rise. (more…)
Earth & Environment - Oct 3, 2012 8:35 - 2 Comments
‘Grim’ forecast for trees in southwest US
U. ARIZONA (US) — Trees are facing rising drought stress and mortality as the climate warms, report researchers who studied tree-rings, climate records, and computer-model climate projections. (more…)
Earth & Environment - Mar 19, 2012 8:43 - 0 Comments
As tides rise, flood risk grows higher
U. ARIZONA (US) — About 3.7 million Americans are at risk for flooding as the sea level continues to rise in the coming century. (more…)
