Sentences with phrase «influence on the circulation»
James Kennett of the University of California at Santa Barbara adds that salinity changes might have had a greater influence on the circulation of Eocene oceans than on that of today's oceans.
http://www.sciencemag.org/
Bottom type and topography are also important determinants of diversity, as well as having an influence on circulation and recruitment of larvae.
Not exact matches
And twenty successful years, at that: a circulation grown into the 30,000 range, a loyal readership, and a powerful influence on the American scene.
The missionary methods which he employed on this and on his third journey which covered much of the same ground were to determine the main lines of Christian development that followed his imprisonment and death, and through the later circulation of his epistles to have a permanent influence upon the form of Christian organisation and belief.
From the ocean, the fresh water flows into the Greenland fjords where is influence local circulation with impacts on the production and ecosystem structure.
An unprecedented analysis of North Pacific ocean circulation over the past 1.2 million years has found that sea ice formation in coastal regions is a key driver of deep ocean circulation, influencing climate on regional and global scales.
A team of UK scientists have studied how a circulation changes in the stratosphere (above 10 km) can influence both weather and climate conditions on the surface of Earth.
«Warm summers could weaken ocean circulation: Long - term observations reveal the influence of increased surface freshening on convection in the subpolar North Atlantic.»
«After finding the programming effect of fetal sex on subsequent lactations, our team discussed the possibility that daughters were releasing hormones into the maternal circulation that could directly influence the mammary gland,» Bradford said.
Influence of physical forcing on planktonic ecosystems and elemental cycling; mesoscale ocean dynamics; primary production; coastal circulation; zooplankton population dynamics; harmful algal blooms; numerical modeling and data assimilation.
Jiacan has worked on several projects on climate dynamics, including the response of large - scale circulations in the warming climate, its effects on regional weather patterns and extreme events, tropical influence on mid-latitude weather, and dynamical mechanisms of sub-seasonal variability of mid-latitude jet streams.
The preliminary results of this study have been on our website since the time the flooding happened, but now we have looked not only at the rainfall, but also the influence of anthropogenic greenhouse gas emissions on the atmospheric circulation and how this propagates from rainfall, to river flow down to the direct impact of flooded houses in the river catchment zones.
... [T] he significant correlations as well as similar atmospheric circulation patterns might provide empirical support for a solar influence on hydroclimate extremes in central Europe during spring and summer by the so - called solar top - down mechanism.
Robertson, A.W., 2001: Influence of ocean - atmosphere interaction on the Arctic Oscillation in two general circulation models.
In addition, tropical phenomena such as El Niño — Southern Oscillation have a strong influence on the global circulation.
However, because the majority of these reviews also appear on the Internet, the reach and influence of the writers included in this study are far greater than the circulation numbers indicate.
White's commitment to figuration, to directly addressing the social and political concerns of his time, and to mastering mediums that allowed for wide circulation of his art established him as a major figure, and one with significant influence on his peers and followers.»
Taste comes in to play in the bulk of the exhibition, which explores the acquisition of these works in Venice, their circulation in culture of grotesqueries (fascinating to see an engraving by Raimondi, more famous for his copies after Michelangelo, adorning two sleeping nudes with tiny beasties), as well an gradual influence on later Venetian painters who also sought out extreme, fantastical effects.
on how influences work, on the channels on the nature of exchange among artists of different generations, on the potential exchanges among artists on the relationships between professionals, curators and art historians, and artists on the different art worlds that constitute an artistic community, on art and its economic life on circulation on knowledge on reception on listening and seeing on spending time with artists
The physical mechanism of the influence of solar activity on climatic characteristics and the atmospheric circulation is suggested and theoretically substantiated.
If the Drake passage became ice covered a the Last Glacial Maximum, that would have had a large influence on scale and patterns of Thermohaline Circulation.
Changes in the Arctic affect the rest of the world, not only in obvious ways (such as the Arctic's contribution to sea - level rise), but through the Arctic's role in the global climate system, its influence on ocean circulation, and its impacts on mid-latitude weather.
Hatun H., SandØ A.B., Drange H., Hansen B. & Valdimarsson H. (2005) «Influence of the Atlantic Subpolar Gyre on the Thermocline circulation», Science, vol 309, 1841 - 1844
So even though El Nià ± o may serve as an analogue for some aspects of the influence of the weakening Walker circulation on climate, it does not serve as a dynamical analogue nor is the sensitivity to model details the same.
Changes in oceanic circulation in the North Atlantic have influence on a planetary level by affecting, in particular, the water cycle.
So, on the one hand you have the claim that Atlantic hurricane intensity is controlled by the AMO, whose mechanism is poorly understood but which has something to do with the meridional overturning circulation, which is influenced by the sinking of water off of Greenland.
We suggest that North Atlantic millennial - scale climate variability is associated with rearrangements of the atmospheric circulation with far - reaching influences on the climate.»
Summer atmospheric circulation anomalies over the Arctic Ocean and their influences on September sea ice extent: A cautionary tale.
Further analyses of long coupled model runs will be critical to resolve the influence of the ocean thermohaline circulation and other natural climate variations on Arctic climate and to determine whether natural climate variability will make the Arctic more or less vulnerable to anthropogenic global warming.»
The results of this study have implications on interpreting future changes to the hydroclimate of Peninsular Florida, such as the influence of climate change and low frequency changes to the Atlantic meridional overturning circulation that comprises of the Loop and the Florida Currents as part of its upper branch.
«Ice loss also increases warming and can influence ocean circulation and weather — all of which can have impacts on people and ecosystems outside of the Arctic.»
You're right — the IPCC backed off on the catastrophic glacier melt and the catastrophic sea - level rise portions but remains steadfast in asserting that «anthropological influenced» atmospheric circulation is heating things up.
The results obtained provide evidence that the mechanism of solar activity and cosmic ray influences on the lower atmosphere circulation involves changes in the evolution of the stratospheric polar vortex.
We speculate that the dust is mainly eolian in origin and that the availability and transport of dust are influenced by variations in the vegetation cover on the Maastrichtian - Paleocene African or Asian zone, which were respectively located at tropical to subtropical latitudes to the south or far to the east of the western Tethyan Umbria - Marche Basin, and were characterized by monsoonal circulation.
Pfeiffer, M. & Lohmann, G. Greenland ice sheet influence on last interglacial climate: global sensitivity studies performed with an atmosphere — ocean general circulation model.
Detection / attribution assessments, using General Circulation Models (GCMs) or Energy Balance Models (EBMs) with geographical distributions of surface temperature trends, suggest that the solar influence on climate is greater than would be anticipated from radiative forcing estimates.
The main modulating influence on tropical cyclone activity in the western North Pacific appears to be the changes in atmospheric circulation associated with ENSO, rather than local SSTs (Liu and Chan, 2003; Chan and Liu, 2004).
Many extreme events are influenced by circulation features that occur outside, or on the edges of, RCM domains.
The most natural type of long term variability is in my view based on slowly varying changes in ocean circulation, which doesn't necessarily involve major transfer of heat from one place to another but influences cloudiness and other large scale weather patterns and through that the net energy flux of the Earth system.
The amount of potential energy released per unit of time is dependent both on the rate of the initial evaporation AND the rate of condensation and the net outturn will influence the winds via the pressure gradient and thus the dynamic power of the circulation.
And noting «zonal mean - winds constitute an important element of global atmospheric circulation,» they go on to suggest,» if the solar cycle can influence zonal mean - winds, then it may affect other features of global climate as well, including oscillations such as the NAO and MJO, of which zonal winds are an ingredient» Thus, «the cause of this forcing» as they describe it, «likely involves some combination of solar wind, galactic cosmic rays, ionosphere - Earth currents and cloud microphysics.»
Surface freshwater plays an important role for ocean circulation by its influence on the formation of deep water masses.
I have in the past (1970s) had a small part in reviving the field of sun - weather - climate research, see e.g. — Solar Magnetic Sector Structure: Relation to Circulation of the Earth's Atmosphere Wilcox, John M.; Scherrer, Philip H.; Svalgaard, Leif; Roberts, Walter Orr; Olson, Roger H. Science, Volume 180, Issue 4082, pp. 185 - 186 — Influence of Solar Magnetic Sector Structure on Terrestrial Atmospheric Vorticity.
Changes in the Atlantic overturning circulation have a strong influence on European temperatures, North American sea level and other climate phenomena worldwide.
The existence of that cooler layer is evidence that the rate of evaporation is the primary influence on variability in the rate of ocean energy loss (apart from internal ocean circulation variability which is not relevant here) and it follows that more evaporation for the same rate of conduction and radiation (from a stable temperature differential) will send that cooler layer deeper and / or intensify the temperature differential between it and the ocean bulk below.
A change in ocean heat content can also alter patterns of ocean circulation, which can have far - reaching effects on global climate conditions, including changes to the outcome and pattern of meteorological events such as tropical storms, and also temperatures in the northern Atlantic region, which are strongly influenced by currents that may be substantially reduced with CO2 increase in the atmosphere.
The influence of reduced solar forcing (grand solar minimum or geoengineering scenarios like solar radiation management) on the Atlantic Meridional Overturning Circulation (AMOC) is assessed in an ensemble of atmosphere — ocean — chemistry — climate model simulations.
Although we focus on a hypothesized CR - cloud connection, we note that it is difficult to separate changes in the CR flux from accompanying variations in solar irradiance and the solar wind, for which numerous causal links to climate have also been proposed, including: the influence of UV spectral irradiance on stratospheric heating and dynamic stratosphere - troposphere links (Haigh 1996); UV irradiance and radiative damage to phytoplankton influencing the release of volatile precursor compounds which form sulphate aerosols over ocean environments (Kniveton et al. 2003); an amplification of total solar irradiance (TSI) variations by the addition of energy in cloud - free regions enhancing tropospheric circulation features (Meehl et al. 2008; Roy & Haigh 2010); numerous solar - related influences (including solar wind inputs) to the properties of the global electric circuit (GEC) and associated microphysical cloud changes (Tinsley 2008).
L'Heureux, M.L., Mann, M.E., Cook B.I., Gleason, B.E., Vose, R.S., Atmospheric Circulation Influences on Seasonal Precipitation Patterns in Alaska during the latter 20th Century, Journal of Geophysical Research, 109, D06106, doi: 10.1029 / 2003JD003845, 2004.
Today, considerable scientific research focuses on the global nature of tides, including their influence on other physical processes in the ocean such as circulation, mixing, and wave generation.