Sentences with phrase «dramatic changes in sea levels»

One is changed environmental conditions for a discrete subpopulation of the original population, such as when ice ages cause dramatic changes in sea levels, cutting species into subgroups.

Colin... Your statement of «when ice ages cause dramatic changes in sea levels» is speculation of a possibility, not a scientifically accepted specific hypothesis.

Not exact matches

Among the most visible and dramatic effects of climate change in Massachusetts is sea level rise and ocean acidification.

The changes in sea level can have a dramatic impact locally on coral communities, but it's how those warmer, higher waters affect the atmosphere that really matters globally.

Even as negotiators meet in Marrakech, Morocco to take the next steps to avert dangerous human - caused climate change — and, even as the U.S. decides whether or not to elect a president who is skeptical it is happening — a new study has highlighted the sharp stakes involved, particularly when it comes to the ongoing rise in global sea level and the dramatic but uneven way in which it could affect the world's coastlines.

«We have shown that this dramatic rise in sea level is associated with an increase in carbon dioxide levels of about 100 parts per million, a huge change,» Tripati said.

When there is evidence for the growth of a large ice sheet on Antarctica or on Greenland or the growth of sea ice in the Arctic Ocean, we see evidence for a dramatic change in carbon dioxide levels over the last 20 million years.

The result is a dramatic image of historic sea level change that goes beyond what is expected in the coming decades due to rapid global warming - induced ice cap melting.

«At medium sea levels, powerful forces − such as the dramatic acceleration of polar ice cap melting − are not necessary to result in abrupt climate shifts and associated drastic temperature changes.»

The Philippines, a low - lying country of over 100 million people, faces threats from more intense typhoons, dramatic changes in rainfall patterns, sea level rise, and increasing temperatures as a result of man - made climate change, experts said.

Chris Rapley from the British Antarctic Survey revealed that ice sheets in Antarctica — which in total contain enough water to raise sea levels by nearly 60 metres — are undergoing dramatic change.

«Either will result in strong reinforcing (positive) climate feedbacks, not to mention dramatic changes in the Arctic ecosystem and enhanced sea level rise.»

Dramatic and unprecedented warming in the Arctic is driving sea level rise, affecting weather patterns around the world and may trigger even more changes in the climate system.

The World Meteorological Organisation (WMO) says: «Dramatic and unprecedented warming in the Arctic is driving sea level rise, affecting weather patterns around the world and may trigger even more changes in the climate system.

«I had hoped that the events of 2008 and 2009 would cause a sea change in attitudes towards enforcement, but I think the OSC and Canadian securities regulators generally have not been sufficiently aggressive over the years, and I don't sense a dramatic change in the levels or quality of enforcement here.»