Sentences with phrase «scale changes in ocean currents»

Large - scale changes in ocean currents like the AMOC «are not unprecedented,» she added.

Not exact matches

[Response: Here's a simple back - of - envelope consideration for the future: if the Greenland ice sheet melts completely over the next ~ 1,000 years (Jim Hansen argues in the current Climatic Change that the time scale could be centuries), this would contribute an average flux of ~ 0.1 Sv of freshwater to the surrounding ocean.

La Nina / PDO is a perfect example where changes in ocean currents / ocean upwelling affect heat transfer between the phases of the system (and cool the air)-- on a human time scale.

There is no doubt that human activity can change local conditions, but on a global scale natural processes including variations in solar output and ocean currents control climatic conditions.

Principal changes in the physics in the current version of the model are use of a step - mountain C - grid atmospheric vertical coordinate [109], addition of a drag in the grid - scale momentum equation in both atmosphere and ocean based on subgrid topography variations, and inclusion of realistic ocean tides based on exact positioning of the Moon and Sun.

Further, account must be made of non-eustatic dynamic changes in sea level due to tides, storm surges, tsunamis and large - scale ocean currents.