Sentences with phrase «how icebergs calve»
Some of the variables controlling the models are not all that well known,» he adds, including forces such as winds, ocean circulation, and how icebergs calve.
http://www.sciencemag.org/ Not exact matches
Reporting this week in the journal Nature Climate Change Dr Hogg and Dr Gudmundsson, examine the events leading up to this dramatic natural phenomenon and discuss how calving of huge icebergs affects the stability of Antarctic ice shelves.
A new study shows how huge influxes of fresh water into the North Atlantic Ocean from icebergs calving off North America during the last ice age had an unexpected effect — they increased the production of methane in the tropical wetlands.
How far the future Larsen C iceberg will drift depends on whether it remains intact after calving, or quickly breaks up into smaller pieces.
However, this iceberg calving event is a natural process, part of how the ice shelf regularly calves — this ice shelf spawns huge icebergs every 6 - 10 years.
Given that calving Patagonia glaciers were far more sensitive to climate fluctuations than western Antarctica, and given the likelihood that paleo sea - ice extent around Antarctica deflected iceberg drift from present pathways, it would be helpful to know how they confirmed the respective continental sources of any dated sediments.
The study uses reconstructions of ice accumulation, satellite and aircraft readings of ice thickness, and changes in elevation and ice velocity to determine how fast ice shelves melt and compare the mass lost with the amount released by the calving, or splitting, of icebergs.