Ice Ages & Past Climates


From Oceanus Magazine

Unearthing Long-Gone Hurricanes

A hunt for buried scientific treasure

Will Oxygen in the Ocean Continue to Decline?

New technique measures how fast deoxygenation can happen

Blue Holes and Hurricanes

Geological marvels are gold mines for climate history

More Floods & Higher Sea Levels

Geological records help forecast escalating coastal hazards

Tracking a Trail of Carbon

Leaf waxes buried in Lake Titicaca holds clues to once and future climates

Mentors for Budding Scientists

Young students get a taste of research at WHOI

Climate Change Spurred Fall of Ancient Culture

Weakening monsoons in India affected plants and people

To Catch a Hurricane

Makeshift devices collect sand transported by storm

The Scientist Who Stays Out in the Cold

MIT/WHOI graduate student studies ice in a warming world

Sam Zipper

Climate change and the Arctic permafrost

Hurricane Hunter

Graduate student uncovers long-buried record of past storms

A Tale of Two Oceans, and the Monsoons

Tiny seafloor shells could reveal big clues to the forces that generate monsoons

Knorr Shoots the Moon (Pool) to Drill for Coral

Coral cores offer an unprecedented record of the rise and fall of Earth's sea level

New System to Take Long Seafloor Cores Is Ready to Go

Tested at sea, the 'Long Corer' restores U.S. capacity to extract cores up to 45 meters (150 feet) long.

Lessons from Nature, Models, and the Past

Other lines of evidence inform the debate on ocean iron fertilization

Scientists Unearth Long Record of Past Hurricanes

Digging down in a Caribbean lagoon, researchers go back in time

Cell-sized Thermometers

Can the shells of microscopic organisms be used to measure past deep-ocean temperatures?

Dead Corals Do Tell Tales

Growing a little each day, coral skeletons keep a daily archive of past ocean temperatures

Sunspots, Sea Changes, and Climate Shifts

Does solar activity or ocean circulation—or both—drive changes in the atmosphere?

Lakes and Climates Have Their Ups and Downs

A history of water table changes reveals climate shifts and the potential for future drought

Ocean Circulation and a Clam Far From Home

Radiocarbon in deep-sea sediments reveals shifts in ocean circulation and climate

The Once and Future Circulation of the Ocean

Clues in seafloor sediments link ocean shifts and climate changes

What Other Tales Can Coral Skeletons Tell?

Scientists strive to get into the genes of fossil corals to extract their evolutionary history

The Coral-Climate Connection

The skeletons of corals on the seafloor preserve records of how ocean circulation has changed

Analyzing Ancient Sediments at Warp Speed

New X-ray fluorescence core scanner at Woods Hole reveals clues to Earth's past climate and history

An Ocean Warmer Than a Hot Tub

Ocean temperatures once may have reached 107°F. Could they again?

How the Isthmus of Panama Put Ice in the Arctic

Drifting continents open and close gateways between oceans and shift Earth's climate

Moving Earth and Heaven

Colliding continents, the rise of the Himalayas, and the birth of the monsoons

Ground-Truthing the Paleoclimate Record

Sediment Trap Observations Aid Paeoceanographers

Sedimentary Record Yields Several Centuries of Data

The Little Ice Age and Medieval Warm Period in the Sargasso Sea