Sentences with phrase «cause changes in ocean temperatures»

Previous research has shown that global warming will cause changes in ocean temperatures, sea ice extent, salinity, and oxygen levels, among other impacts, that are likely to lead to shifts in the range and productivity of marine species.

Previous research has shown that global warming will cause changes in ocean temperatures, sea ice extent, salinity, and oxygen levels, among other impacts, that are likely to lead to significant shifts in the distribution range and productivity of marine species, the study notes.

Not exact matches

The new report «Lights Out for the Reef», written by University of Queensland coral reef biologist Selina Ward, noted that reefs were vulnerable to several different effects of climate change; including rising sea temperatures and increased carbon dioxide in the ocean, which causes acidification.

One of the subtle changes visible in the new data - set is how the Amazon's greenness corresponds to one of the long - known causes of rainfall or drought to the Amazon basin: changes in sea surface temperatures in the eastern Pacific Ocean, called the El Nino Southern Oscillation.

Climate change has caused ocean temperatures to rise, a trend that will continue in the coming centuries even if fossil fuel emissions are curtailed.

«Strong El Niño events cause large changes in Antarctic ice shelves: Oscillations of water temperature in the tropical Pacific Ocean can induce rapid melting of Antarctic ice shelves.»

Jessup wrote a computer program that uses images from standard infrared cameras to analyze temperature changes in the top layer of the oceans» waters caused by breaking waves.

But within these long periods there have been abrupt climate changes, sometimes happening in the space of just a few decades, with variations of up to 10ºC in the average temperature in the polar regions caused by changes in the Atlantic ocean circulation.

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.

The effects of wind changes, which were found to potentially increase temperatures in the Southern Ocean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the ocean warming that's being caused by the heat - trapping effects of greenhouse gOcean between 660 feet and 2,300 feet below the surface by 2 °C, or nearly 3.6 °F, are over and above the ocean warming that's being caused by the heat - trapping effects of greenhouse gocean warming that's being caused by the heat - trapping effects of greenhouse gases.

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.

New research published this week in the Journal of Climate reveals that one key measurement — large - scale upper - ocean temperature changes caused by natural cycles of the ocean — is a good indicator of regional coastal sea level changes on these decadal timescales.

Suppose also that — DESPITE THIS STABILIZING MECHANISM some as - yet unknown ocean circulation cycle operates that is the sole cause of the Holocene centennial scale fluctuations, and that this cycle has reversed and is operating today, yielding a temperature change that happens to mimic what models give in response to radiative forcing changes.

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.

Hence, relatively small exchanges of heat between the atmosphere and ocean can cause significant changes in surface temperature.

During El Nino events the ocean circulation changes in such a way as to cause a large and temporary positive sea surface temperature anomaly in the tropical Pacific.

The symptoms from those events (huge and rapid carbon emissions, a big rapid jump in global temperatures, rising sea levels, ocean acidification, widespread oxygen - starved zones in the oceans) are all happening today with human - caused climate change.

Kevin, even with greater evaporation, when one considers all the energy fluxes into and out of the ocean cool skin layer, as long as the change in net energy flux causes the cool skin to warm, the temperature gradient between the cool skin layer and the bulk ocean below it will decrease.

Source: Lyman 2010 The reaction of the oceans to climate change are some of the most profound across the entire environment, including disruption of the ocean food chain through chemical changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour in the atmosphere.

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.

Since the oceans are massive heat sinks, they cause delays (around a decade or more) in observed temperature changes from changes in radiated energy from the sun.

Suppose also that — DESPITE THIS STABILIZING MECHANISM some as - yet unknown ocean circulation cycle operates that is the sole cause of the Holocene centennial scale fluctuations, and that this cycle has reversed and is operating today, yielding a temperature change that happens to mimic what models give in response to radiative forcing changes.

Temperature tends to respond so that, depending on optical properties, LW emission will tend to reduce the vertical differential heating by cooling warmer parts more than cooler parts (for the surface and atmosphere); also (not significant within the atmosphere and ocean in general, but significant at the interface betwen the surface and the air, and also significant (in part due to the small heat fluxes involved, viscosity in the crust and somewhat in the mantle (where there are thick boundary layers with superadiabatic lapse rates) and thermal conductivity of the core) in parts of the Earth's interior) temperature changes will cause conduction / diffusion of heat that partly balances the differentiTemperature tends to respond so that, depending on optical properties, LW emission will tend to reduce the vertical differential heating by cooling warmer parts more than cooler parts (for the surface and atmosphere); also (not significant within the atmosphere and ocean in general, but significant at the interface betwen the surface and the air, and also significant (in part due to the small heat fluxes involved, viscosity in the crust and somewhat in the mantle (where there are thick boundary layers with superadiabatic lapse rates) and thermal conductivity of the core) in parts of the Earth's interior) temperature changes will cause conduction / diffusion of heat that partly balances the differentitemperature changes will cause conduction / diffusion of heat that partly balances the differential heating.

We have only begun to see the change in temperature and climate caused by the amount of CO2 that we have already added to the atmosphere (+38 %), and it will continue to change until the ocean - atmosphere climate system fully responds to that addition.

[Response: Theoretically you could have a change in ocean circulation that could cause a drop in global mean temperature even while the total heat content of the climate system increased.

Scientists» measurements, over the last 30 years or so, seem to reflect a steady increase in CO2 emissions, which seem to be causing both a rise in temperature and change in ocean ph toward acidity.

Small changes in global sea level or a rise in ocean temperatures could cause a breakup of the two buttressing ice shelves.

The symptoms from those events (a big, rapid jump in global temperatures, rising sea levels, and ocean acidification) are all happening today with human - caused climate change.

They describe abnormally warm or cool sea surface temperatures in the South Pacific that are caused by changing ocean currents.

Vaughan Pratt said,» How could tiny fluctuations in ocean temperatures cause humans to change their power consumption to such an enormous degree it would be visible above the huge noise of the 20x larger natural emissions of CO2?»

The immediate cause is clear: the ongoing rise in global ocean temperatures that comes from climate change.

My opinion expressed elsewhere is that almost all the temperature changes we observe over periods of less than a century are caused by cyclical changes in the rate of energy emission from the oceans with the solar effect only providing a slow background trend of warming or cooling for several centuries at a time.

Specifically, Trenberth must find mechanisms in the oceans that are characteristic of the oceans but not caused by changes in temperature or radiation at the ocean's surface.

How hurricanes develop also depends on how the local atmosphere responds to changes in local sea surface temperatures, and this atmospheric response depends critically on the cause of the change.23, 24 For example, the atmosphere responds differently when local sea surface temperatures increase due to a local decrease of particulate pollution that allows more sunlight through to warm the ocean, versus when sea surface temperatures increase more uniformly around the world due to increased amounts of human - caused heat - trapping gases.25, 26,27,28

The slowed surface warming is due in large part to changes in ocean cycles, particularly in the Pacific Ocean, causing more efficient ocean heat uptake, thus leaving less heat to warm surface temperatocean cycles, particularly in the Pacific Ocean, causing more efficient ocean heat uptake, thus leaving less heat to warm surface temperatOcean, causing more efficient ocean heat uptake, thus leaving less heat to warm surface temperatocean heat uptake, thus leaving less heat to warm surface temperatures.

In a study last year, the U.S. Climate Change Science Program indicated that an increase in sea - surface temperatures would lead to a proliferation of ocean bacteria species like Vibrio vulnificus and Vibrio parahaemolyticus that cause seafood - borne diseaseIn a study last year, the U.S. Climate Change Science Program indicated that an increase in sea - surface temperatures would lead to a proliferation of ocean bacteria species like Vibrio vulnificus and Vibrio parahaemolyticus that cause seafood - borne diseasein sea - surface temperatures would lead to a proliferation of ocean bacteria species like Vibrio vulnificus and Vibrio parahaemolyticus that cause seafood - borne diseases.

This is so because climate change has already caused changes to the global climate system such as raising ocean temperatures and increasing the amount of water in the atmosphere.

It was an appropriate hypothesis that rests in a knowledge gap (freely admitted by climate scientists - again in the IPCC), but Spencer seemed unable to pinpoint how long - term cloud changes can be decoupled from temperature changes (he hypothesised that ocean / atmospheric processes, like ENSO and PDO, can cause long - term changes in cloud dynamics - but didn't show how that happens).

And there are appreciable artifacts in the record as a result of changing soil moisture and thus changing ratios of sensible and latent heat at 2m from the ground — plausibly causing an increasing land / ocean temperature divergence during periods of widespread drought.

Changes in ocean surface temperatures caused by El Niño significantly affect where cumulonimbus clouds form in the ITCZ and, therefore, the geographic structure of the Hadley cell.

As Don Easterbrook and others note, hardly a significant length in temperatures that can cycle over hundreds and even thousands of years, caused by either solar input changes or circulations within the oceans.

How hurricanes develop also depends on how the local atmosphere responds to changes in local sea surface temperatures, and this atmospheric response depends critically on the cause of the change.23, 24 For example, the atmosphere responds differently when local sea surface temperatures increase due to a local decrease of particulate pollution that allows more sunlight through to warm the ocean, versus when sea surface temperatures increase more uniformly around the world due to increased amounts of human - caused heat - trapping gases.18, 25,26,27 So the link between hurricanes and ocean temperatures is complex.

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.

I googled for De Jager and Duhau 2012 and found this, Sudden transitions and grand variations in the solar dynamo, past and future, a paper that attempts to forecast Solar Grand Minimums, not one that suggests the Grand Minimums are causing the changing ocean temperatures.

Source: Lyman 2010 The reaction of the oceans to climate change are some of the most profound across the entire environment, including disruption of the ocean food chain through chemical changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour in the atmosphere.

A slight change of ocean temperature (after a delay caused by the high specific heat of water, the annual mixing of thermocline waters with deeper waters in storms) ensures that rising CO2 reduces infrared absorbing H2O vapour while slightly increasing cloud cover (thus Earth's albedo), as evidenced by the fact that the NOAA data from 1948 - 2008 shows a fall in global humidity (not the positive feedback rise presumed by NASA's models!)

Because weather patterns vary, causing temperatures to be higher or lower than average from time to time due to factors like ocean processes, cloud variability, volcanic activity, and other natural cycles, scientists take a longer - term view in order to consider all of the year - to - year changes.

The widespread change detected in temperature observations of the surface, free atmosphere and ocean, together with consistent evidence of change in other parts of the climate system, strengthens the conclusion that greenhouse gas forcing is the dominant cause of warming during the past several decades.

Webster, «Cappy, movement of heat in the ocean as characterized by ENSO will cause changes in the global temperature.»

Every five years or so, a change in the winds causes a shift to warmer than normal sea surface temperatures in the equatorial Pacific Ocean — known as El Niño.