Sentences with phrase «geological observations»

According to the authors of the study, who used geological observations made using the THEMIS instrument on board the Mars Odyssey spacecraft, laboratory impact experiments and computer modeling of impact processes, large crater - forming impacts would have created tornado - like wind vortices that reached speeds of up to 500 miles per hour.

Geological observations at Stardust Bay, Alaska point toward previously unrecognized tsunami sources along a presently creeping part of the Aleutian Subduction Zone.

To get their results the researchers used sophisticated ice sheet and climate models and verified their results with independent geological observations from the oceans off Antarctica.

Paul Hoffman has profoundly changed our understanding of earth history by integrating and synthesizing geological observations, tectonics, geochemistry, and climate science.

Using geological observation, laboratory impact experiments and computer modeling, Schultz and Brown graduate student Stephanie Quintana have offered a new explanation for how those streaks were formed.

These geological observations indicate large tsunamis in the eastern Aleutians have recurred every 300 - 340 years on average, and provide additional field - based information that is relevant to new tsunami evacuation zone maps for Hawaii.

A team of researchers used a combination of laboratory impact experiments, computer models and geological observations to explain the formation of bright streaks around some impact craters on Mars.

The close coupling between CO2 and climate led the author to conclude that «geological observations that we now have for the last 20 million years lend strong support to the idea that carbon dioxide is an important agent for driving climate change throughout Earth's history.»

«Carbon dioxide is a potent greenhouse gas, and geological observations that we now have for the last 20 million years lend strong support to the idea that carbon dioxide is an important agent for driving climate change throughout Earth's history,» she said.