Large CO2 release speeds up ice age melting
Radiocarbon dating is used to determine the age of everything from ancient artifacts to prehistoric corals on the ocean bottom.
Earth Sciences
Aug 26, 2010
2
0
Page 14 - News tagged with sea sediments
Arctic ice at low point compared to recent geologic history
Less ice covers the Arctic today than at any time in recent geologic history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice.
Earth Sciences
Jun 2, 2010
8
0
Ocean Drilling Expedition off Antarctica May Predict Ice Sheet's Response to Warmer Global Temperatures
(PhysOrg.com) -- New results from a drilling expedition off Antarctica may help scientists learn more about a dramatic turn in climate 34 million years ago, when the planet cooled from a "greenhouse" to an "icehouse" state. ...
Earth Sciences
May 4, 2010
0
0
Deep in sediments off Antarctica, Stanford scientists find insight into past -- and possible future -- climates
(PhysOrg.com) -- From the Antarctic Ocean, Earth scientist Rob Dunbar blogs about the challenges of drilling ancient deep-sea sediments -- and what he's found in them.
Earth Sciences
Feb 18, 2010
5
0
Homebuilding beyond the abyss
(PhysOrg.com) -- Evidence from the Challenger Deep -- the deepest surveyed point in the world's oceans-- suggests that tiny single-celled creatures called foraminifera living at extreme depths of more than ten kilometres ...
Earth Sciences
Feb 11, 2010
0
0
Scientists Drill Deepest Hole off New Zealand
(PhysOrg.com) -- Scientists aboard the research ship the JOIDES Resolution recently drilled two kilometers into Earth’s crust, setting a new record for the deepest hole drilled through the seafloor on a single expedition.
Earth Sciences
Feb 4, 2010
0
0
Jurassic 'burn-down' events and organic matter richness in the Kimmeridge Clay Formation
The sediments of the Kimmeridge Clay Formation were deposited during the Late Jurassic between around 160 and 145 million years ago, the age of the reptiles. They are the main oil source rock in the North Sea. However, within ...
Earth Sciences
Jan 19, 2010
0
0
A novel, 10,000-year study of strata compaction and sea-level rise on English coast
Environmental scientists at the University of Pennsylvania and Durham University have employed a novel combination of geological and model reconstructions of wetland environments during a 10,000-year period to address spatial ...
Earth Sciences
Dec 10, 2009
1
0
Sea Level Is Rising Along U.S. Atlantic Coast, According to New Data Analysis
(PhysOrg.com) -- An international team of environmental scientists led by the University of Pennsylvania has shown that sea-level rise along the Atlantic Coast of the United States was 2 millimeters faster in the 20th century ...
Earth Sciences
Dec 3, 2009
0
0
California's Ancient Kelp Forest
(PhysOrg.com) -- The kelp forests off southern California are considered to be some of the most diverse and productive ecosystems on the planet, yet a new study indicates that today's kelp beds are less extensive and lush ...
Ecology
Nov 10, 2009
0
0
