Sentences with phrase «in ocean temperature patterns»

We found that simulations produce an unrealistic single summer wet season, with no mid-summer break in the rains, and this is linked with biases in ocean temperature patterns.

Not exact matches

The floods have been triggered by the weather event known as El Nino, a warming of surface temperatures in the Pacific Ocean that wreaks havoc on weather patterns every few years.

Those weather patterns are linked to warmer surface temperatures in the Pacific and Atlantic oceans, respectively, and correlated with the timing of observed floods on the lower Mississippi.

The ongoing La Niña pattern, where there are colder than normal sea surface temperatures in the central and eastern equatorial Pacific Ocean, favors these types of conditions.

The Tibetan Plateau in China experiences the strongest monsoon system on Earth, with powerful winds — and accompanying intense rains in the summer months — caused by a complex system of global air circulation patterns and differences in surface temperatures between land and oceans.

Both the 2005 and 2010 droughts were the result of a «very, very unusual» weather pattern linked to higher sea surface temperatures in the Atlantic Ocean, said lead author Simon Lewis, a tropical forests expert at the University of Leeds.

Scientists believe that the different pattern of deep ocean circulation was responsible for the elevated temperatures 3 million years ago when the carbon dioxide level in the atmosphere was arguably what it is now and the temperature was 4 degree Fahrenheit higher.

The oscillation is a pattern of climate variability akin to El Niño and La Niña — weather patterns caused by periodic warming and cooling of ocean temperatures in the Pacific — except it is longer - lived.

A new study links the frequency of tornadoes and hailstorms in parts of the southern United States to ENSO, a cyclic temperature pattern in the Pacific Ocean.

A new NASA visualization shows the 2015 El Niño unfolding in the Pacific Ocean, as sea surface temperatures create different patterns than seen in the 1997 - 1998 El Niño.

Another principal investigator for the project, Laura Pan, senior scientist at the National Center for Atmospheric Research in Boulder, Colo., believes storm clusters over this area of the Pacific are likely to influence climate in new ways, especially as the warm ocean temperatures (which feed the storms and chimney) continue to heat up and atmospheric patterns continue to evolve.

The El Nino weather pattern is a warming of ocean surface temperatures in the eastern and central Pacific and usually brings hot, dry, and often drought conditions to Australia.

«By prescribing the effects of human - made climate change and observed global ocean temperatures, our model can reproduce the observed shifts in weather patterns and wildfire occurrences.»

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.

Unusually warm ocean temperatures, referred to as «the Blob,» encompassed much of the West Coast beginning about 2014, combining with an especially strong El Nino pattern in 2015.

Such meteorological patterns where interannual variability in ocean temperatures affects climate have been long established in the field.

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.

El Niño is a weather pattern characterized by a periodic fluctuation in sea surface temperature and air pressure in the Pacific Ocean, which causes climate variability over the course of years, sometimes even decades.

La Niña — the weather pattern that causes unusually cold ocean surface temperatures in the eastern Pacific — has been blamed as the immediate culprit.

But ocean temperatures alone don't define an El Niño; CPC forecasters also look for the corresponding shifts in atmospheric patterns, namely a weakening of the typical east - to - west trade winds over the region.

They showed that temperatures warmed in both the North Pacific and Greenland, likely due to changes in ocean circulation patterns.

In addition, global sea level can fluctuate due to climate patterns such as El Niños and La Niñas (the opposing phases of the El Niño Southern Oscillation, or ENSO) which influence ocean temperature and global precipitation patterns.

Changes in the temperature of the sea surface in the Indian and Atlantic Oceans are linked to the pattern of rainfall over parts of the surrounding continents.

The north - south gradient of increasing glacier retreat was found to show a strong pattern with ocean temperatures, whereby water is cold in the north - west, and becomes progressively warmer at depths below 100m further south.

The study reports that glaciers flowing to the coast on the western side of the Peninsula show a distinct spatial correlation with ocean temperature patterns, with those in the south retreating rapidly but those in the north showing little change.

The westerlies in the Northern Hemisphere, which increased from the 1960s to the 1990s but which have since returned to about normal as part of NAO and NAM changes, alter the flow from oceans to continents and are a major cause of the observed changes in winter storm tracks and related patterns of precipitation and temperature anomalies, especially over Europe.

For the change in annual mean surface air temperature in the various cases, the model experiments show the familiar pattern documented in the SAR with a maximum warming in the high latitudes of the Northern Hemisphere and a minimum in the Southern Ocean (due to ocean heat uptakOcean (due to ocean heat uptakocean heat uptake)(2)

In the lower left panel of Figure 1, which shows temperature trends since 1979, the pattern in the Pacific Ocean features warming and cooling regions related to El NiñIn the lower left panel of Figure 1, which shows temperature trends since 1979, the pattern in the Pacific Ocean features warming and cooling regions related to El Niñin the Pacific Ocean features warming and cooling regions related to El Niño.

«The Greenland ice sheet as a whole is shrinking, melting and reducing in size as the result of globally changing air and ocean temperatures and associated changes in circulation patterns in both the ocean and atmosphere,» Muenchow said.

To remove this difference in magnitude and focus instead on the patterns of change, the authors scaled the vertical profiles of ocean temperature (area - weighted with respect to each vertical ocean layer) with the global surface air temperature trend of each period.

A typical oceanographic mooring, like one deployed in the northwest Atlantic Ocean by the Global Ocean Ecoystems Dynamics (GLOBEC) program, holds a large array of instrumentation: seven current meters, seven temperature gauges, three optical turbidity scanners, four salinity / conductivity / pressure meters, and one Acoustic Doppler Current Profiler (ADCP) that records surface ocean current patterns around the mooOcean by the Global Ocean Ecoystems Dynamics (GLOBEC) program, holds a large array of instrumentation: seven current meters, seven temperature gauges, three optical turbidity scanners, four salinity / conductivity / pressure meters, and one Acoustic Doppler Current Profiler (ADCP) that records surface ocean current patterns around the mooOcean Ecoystems Dynamics (GLOBEC) program, holds a large array of instrumentation: seven current meters, seven temperature gauges, three optical turbidity scanners, four salinity / conductivity / pressure meters, and one Acoustic Doppler Current Profiler (ADCP) that records surface ocean current patterns around the mooocean current patterns around the mooring.

The first collection of papers establishes that (a) decadal and multi-decadal ocean circulation patterns (AMO, PDO, NAO, ENSO) have significantly modulated precipitation and temperature changes in recent decades, and the second collection of papers confirm that (b) natural ocean oscillations are, in turn, modulated by solar activity.

El Niño is a recurring climate pattern defined by above - average ocean temperatures in the equatorial Pacific that affect weather patterns around the world, leading to a slight uptick in global temperatures.

El Niño is a Pacific - driven climate pattern that features warmer - than - normal sea surface temperatures in the eastern tropics of that ocean basin.

It's a pattern of ocean temperatures in the Pacific that has a warm and cool phase.

This seems to be associated with particular patterns of change in sea surface temperature in the Atlantic and Pacific oceans, a teleconnection which is well - captured in climate models on seasonal timescales.

Like detection methods, these approaches seek to fit the space - time patterns, or spatial means in time, of observed surface, atmospheric or ocean temperatures.

Chelliah and Bell (2004) defined a tropical multi-decadal pattern related to the AMO, the PDO and winter NAO with coherent variations in tropical convection and surface temperatures in the West African monsoon region, the central tropical Pacific, the Amazon Basin and the tropical Indian Ocean.

The assessment considered the impacts of several key drivers of climate change: sea level change; alterations in precipitation patterns and subsequent delivery of freshwater, nutrients, and sediment; increased ocean temperature; alterations in circulation patterns; changes in frequency and intensity of coastal storms; and increased levels of atmospheric CO2.

But I believe there is little doubt that the record - breaking scale and potential destructiveness of Sandy is due in large part to the amplifying effects of warmer ocean temperatures, higher atmospheric moisture content, and unusual Arctic weather patterns.

«The climate patterns responsible for the expected above - normal 2007 hurricane season continue to be the ongoing multi-decadal signal (the set of oceanic and atmospheric conditions that have spawned increased Atlantic hurricane activity since 1995), warmer - than - normal sea surface temperatures in key areas of the Atlantic Ocean and Caribbean Sea, and the El Nino / La Nina cycle»

«The overall weather patterns in Australia are a function of its latitudinal position and of oscillations in the water temperatures in both the Pacific and Indian Oceans.

The other factor of course is the extent to which wine growing in England in the so - called MWP was an indication of a warmer Earth during this period or a small shift in the temperature distribution of the Earth due to ocean circulation patterns and suchlike.

A new paper closely examining ocean temperatures throws a twist into understanding of the pattern of global warming seen in the 20th century, but does it throw established concepts and climate models into question?

Canadian Ice Service, 4.7, Multiple Methods As with CIS contributions in June 2009, 2010, and 2011, the 2012 forecast was derived using a combination of three methods: 1) a qualitative heuristic method based on observed end - of - winter arctic ice thicknesses and extents, as well as an examination of Surface Air Temperature (SAT), Sea Level Pressure (SLP) and vector wind anomaly patterns and trends; 2) an experimental Optimal Filtering Based (OFB) Model, which uses an optimal linear data filter to extrapolate NSIDC's September Arctic Ice Extent time series into the future; and 3) an experimental Multiple Linear Regression (MLR) prediction system that tests ocean, atmosphere and sea ice predictors.

There is also a natural variability of the climate system (about a zero reference point) that produces El Nino and La Nina effects arising from changes in ocean circulation patterns that can make the global temperature increase or decrease, over and above the global warming due to CO2.

Abstract: «The patterns of time / space changes in near - surface temperature due to the separate forcing components are simulated with a coupled atmosphere — ocean general circulation model»

A new study released Friday in the journal Science Advances helps clear up a bit of the mystery, by showing that man - made climate change is responsible for most of the change seen in ocean surface temperatures near the equator across Asia, which in turn affect regional rainfall patterns including the Indian monsoon.

Increasing temperatures, changing precipitation patterns, and changes in coastal ocean waters are affecting agricultural and fishery productivity.

Two other important features are conspicuous in the dipole temperature pattern: extremely warm temperatures in the Arctic near Alaska and warm ocean temperatures in the eastern Pacific.