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Undersea mountains provide crucial piece in climate prediction puzzle

By Guest PostSeptember 20, 2013Environmentantarctic continent, Antarctica, british antarctic survey, carbon dioxide, chemical tracer, climate models, climate prediction puzzle, climate projections, drake passage, ice age, ocean currents, ocean mixing, professor andrew watson, south america, susie grant, undersea mountains, university of exeter

A mystery in the ocean near Antarctica has been solved by researchers who have long puzzled over how deep and mid-depth ocean waters are mixed.

They found that sea water mixes dramatically as it rushes over undersea mountains in Drake Passage – the channel between the southern tip of South America and the Antarctic continent. Mixing of water layers in the oceans is crucial in regulating the Earth’s climate and ocean currents.

The research provides insight for climate models which until now have lacked the detailed information on ocean mixing needed to provide accurate long-term climate projections. The study was carried out by the University of Exeter, the University of East Anglia, the University of Southampton, the Woods Hole Oceanographic Institution, the British Antarctic Survey and the Scottish Association for Marine Science and is published in the journal Nature. (more…)

UA Climate Scientists Put Predictions to the Test

By Guest PostSeptember 18, 2012Environmentactual climate, climate change, climate modeling, climate prediction models, climate projections, climate scientists, climate trends

A new study has found that climate-prediction models are good at predicting long-term climate patterns on a global scale but lose their edge when applied to time frames shorter than three decades and on sub-continental scales.

Climate-prediction models show skills in forecasting climate trends over time spans of greater than 30 years and at the geographical scale of continents, but they deteriorate when applied to shorter time frames and smaller geographical regions, a new study has found. (more…)

Scientists Discover a Climate Change Warning Deep Under The Dead Sea

By Guest PostDecember 8, 2011Environment, Scienceadi torfstein, africa, basin, biblical overthrow, california, climate change, climate projections, dead sea, dead sea level, drilling deep, earthquakes, egypt, emi ito, environmental history, future mideast conflicts, Germany, human development, Israel, Japan, jordan, jordan river, lakebed cores, mideast, mideast cave deposits, migration of early humans, mordechai stein, muddy sediment, natural phenomena, near east politics, palestinian authority, salt, salty waters, san andreas fault, sea, sea level, seismic risks, short on water, steven goldstein, stone age people, syria, united nations, united states, volatile region, walls of jericho, war against israel, warm period, zvi ben avraham

*University of Minnesota professor is part of international team that predicts the volatile region’s water may once again vanish*

MINNEAPOLIS / ST. PAUL — An international team of scientists drilling deep under the bed of the Dead Sea has found evidence that the sea may have dried up during a past warm period similar to predicted scenarios for climate change in coming decades. Emi Ito, professor of earth sciences in the University of Minnesota’s College of Science and Engineering, is a research team member. (more…)

Tag Archives: climate projections

Undersea mountains provide crucial piece in climate prediction puzzle

UA Climate Scientists Put Predictions to the Test

Scientists Discover a Climate Change Warning Deep Under The Dead Sea