Sentences with phrase «changes in ocean temperature drive»

Not exact matches

That wind - driven circulation change leads to cooler ocean temperatures on the surface of the eastern Pacific, and more heat being mixed in and stored in the western Pacific down to about 300 meters (984 feet) deep, said England.

Rising temperatures and ocean acidifi cation drive changes in phytoplankton communities [Also see Reports by McMahon et al. and Rivero - Calle et al..]

The underlying pattern in this year's fire forecast is driven by the fact that the western Amazon is more heavily influence by sea surface temperatures in the tropical Atlantic, and the eastern Amazon's fire severity risk correlates to sea surface temperature changes in the tropical Pacific Ocean.

They will look for evidence of temperature changes caused by ocean circulation patterns in both the North Atlantic and tropical Pacific Oceans, which drive precipitation in Tibet as well as the Indian monsoons.

Increased ocean temperatures, changes in salinity and overfishing have driven the fish eastward.

Scientists think this reversal in strength was driven by changes in sea surface temperature and upper - ocean ventilation.

The only time period that remotely resembles the ocean changes happening today, based on geologic records, was 56 million years ago when carbon mysteriously doubled in the atmosphere, global temperatures rose by approximately six degrees and ocean pH dropped sharply, driving up ocean acidity and causing a mass extinction among single - celled ocean organisms.

Here we show that fluctuations in Antarctic Ice Sheet discharge caused by relatively small changes in subsurface ocean temperature can amplify multi-centennial climate variability regionally and globally, suggesting that a dynamic Antarctic Ice Sheet may have driven climate fluctuations during the Holocene.

Here, we elucidate this question by using 26 years of satellite data to drive a simple physical model for estimating the temperature response of the ocean mixed layer to changes in aerosol loadings.

Steric sea level is driven by volume changes through ocean salinity (halosteric) and ocean temperature (thermosteric) effects, from which the latter is known to play a dominant role in observed contemporary rise of GSSL.

Many of the surface currents of the world oceans (i.e., the ocean «gyres» which appear as rotating horizontal current systems in the upper ocean) are driven by the wind, however, the sinking in the Arctic is related to the buoyancy forcing (effects that change either the temperature or salinity of the water, and hence its buoyancy).

If La Nina / El Nino can affect global air temperatures in a period of a few years, than other changes in ocean currents (driven by AGW) can affect global atmospheric heat content in a few years.

Small changes in initial conditions drive abrupt and nonlinear change evident in many of the global ocean and atmospheric indices — and indeed in the surface temperature trajectory.

Here's a clue — a tendency toward a more frequent La Nina state, driven specifically by increasing GH gas concentrations (and similar to conditions in the mid-Pliocene), may provide some modulation of tropospheric temperature spikes, but that energy will be advected somewhere (the idea of homogenous dispersion throughout the ocean is absurd), and that somewhere is exactly where we are seeing the biggest changes in the climate right now — the Arctic.

The issue is that differences in mineral content, salinity, density, and temperature all affect how the ocean reacts to, and drives, changes in weather patterns, climate variations over years or decades, ocean current circulation, etc..

Scientists think this reversal in strength was driven by changes in sea surface temperature and upper - ocean ventilation.

Importantly, the changes in cereal yield projected for the 2020s and 2080s are driven by GHG - induced climate change and likely do not fully capture interannual precipitation variability which can result in large yield reductions during dry periods, as the IPCC (Christensen et al., 2007) states: ``... there is less confidence in the ability of the AOGCMs (atmosphere - ocean general circulation models) to generate interannual variability in the SSTs (sea surface temperatures) of the type known to affect African rainfall, as evidenced by the fact that very few AOGCMs produce droughts comparable in magnitude to the Sahel droughts of the 1970s and 1980s.»

They also drive the great surface ocean currents such as the Gulf Stream: which is why ideas that these currents could stop due to changes in water temperature is absurd.

The arctic temperatures and arctic ice extent varies in a very predictable 60 - 70 year cycle that relates to ocean cycles which are likely driven by solar changes.

Lamont's Ryan Abernathey and Richard Seager are studying how changes in the ocean cause sea surface temperature to vary, and how these anomalies drive changes in atmospheric circulation to create extreme weather events.

The idea is, if the change in surface temperature over that period is affected by changes in cloud cover, but changes of the surface temperature associated with the ocean warming are small, then changes in cloud cover must be driving the present global warming.

Meridional Overturning Circulation includes the action of wind, as well as density changes through differences in temperature and salinity in order to drive the ocean currents.

Climate variability driven by changes in the Pacific Ocean has affected the surface temperature trend.

However, in the deep tropics, where the theoretical effects on the surface energy budget of temperature - driven changes in evaporation and water vapour are particularly strong, there is a near quarter century record of both SST and tas from the Tropical Atmosphere Ocean array of fixed buoys in the Pacific oOcean array of fixed buoys in the Pacific oceanocean.

Presenting such alternative figures confuses and undermines the public understanding of the actual science, which is an understanding about the driving mechanisms of sea level rise: thermal expansion of ocean water, melting of mountain glaciers and complex dynamics of large ice sheets — in correspondence again with projected temperature rise, that is in turn a product of projected rises of greenhouse gas concentrations using calculated estimates of climate sensitivity, together creating a net disturbance in Earth's energy balance, the very root cause of anthropogenic climate change.

The two authors acknowledge that it is «difficult» to isolate the influence of the ocean's effects on temperature changes and the influence of climate - or radiation - induced changes in driving temperature change.

Temperature changes induced by sun and oceans drive air circulation changes which drive changes in every aspect of climate including convection, conduction, evaporation, condensation, precipitation, windiness, cloudiness, albedo and humidity as regards both quantities and distribution.

Like all other science, climatology is data - driven, and the data is constantly flooding in: measurements of change in bird - migration patterns; details of ocean temperatures and wind pro?les; measurements of the calcification of coral, the ripening of grapes, the retreat of glaciers, and so on.