«However, the evidence is equally as strong that there are other factors, such
as rising ocean temperatures, that have a greater influence.»»
As far
as rising ocean temperatures are concerned, I know studies (like Barnett et al 2005) demonstrated there is an anthropogenic signal (if I am using the term correctly, meaning a discernable increase in ocean temperature that is due to human activities) globally.
Besides these thousands of thermometer readings from weather stations around the world, there are many other clear indicators of global warming such
as rising ocean temperatures, sea level, and atmospheric humidity, and declining snow cover, glacier mass, and sea ice.
Not exact matches
And in many, many cases — such
as with
ocean temperatures,
rising sea levels, or ice shelf traveling speeds — scientists have recorded the data for decades, systematically, consistently, and with precision.
Not only is the reef threatened by widespread bleaching
as a result of
rising ocean temperatures, but the project also requires the major expansion of the Abbot Point port in Queensland.
Evidence from the National Aeronautics and Space Administration (NASA) shows that global sea levels in the last two decades are
rising dramatically
as surface
temperatures warm
oceans and...
While caring for animals affected by human activity such
as overfishing, habitat degradation, plastic pollution and
rising ocean temperatures, the team seeks to increase public engagement and advocacy along with inspire new individuals to make a difference.
That devastation could spread in the future,
as rising temperatures and agricultural runoff enlarge oxygen - poor dead zones in the world's
oceans.
But
as climate patterns become less predictable and global
ocean temperatures rise, the water
temperature readings identified by the Rutgers team might bring to light similar patterns that will allow forecasters to adjust their intensity forecasts accordingly.
Scientists have been warning that decreasing amounts of available oxygen will increase stress on a range of species, even
as they also face the effects of
rising temperatures and
ocean acidification.
But climate models predict reductions in dissolved oxygen in all
oceans as average global air and sea
temperatures rise, and this may be the main driver of what is happening there, she says.
«Both the physical
ocean and the life within it are shifting much more rapidly than our models predicted for the Arctic,» Alter notes, adding that
temperatures there are
rising twice
as fast
as everywhere else on the planet.
As global
temperature rises, most of the extra heat in the atmosphere — about 90 percent — sinks into the
ocean.
As temperatures rise today, most of the heat is being taken up by the surface layers of the
oceans.
Changes to the transport of heat by the Earth's atmosphere and
oceans to the poles have also been suggested
as a possible contributor to the steep
rise in Arctic
temperatures.
As ocean temperatures rise and oceanic diseases proliferate, species like sea stars struggle to survive, and scientists are looking for underlying causes.
Rising temperatures, for example, could either increase or decrease biological productivity,» Salawitch says,
as well
as the emission of certain less - prevalent gases that are exchanged between the air and
ocean.
The experiment of the Kiel marine biologists shows how local environmental factors such
as eutrophication may amplify the effects of global factors such
as rising temperatures and
ocean acidification.
As a result there was an increase in moisture transport out of the Atlantic, which effectively increased the salinity and density, of the
ocean surfaces, leading to an abrupt increase in circulation strength and
temperature rise.
The goal of the study, she said, was to help guide conservation efforts in advance of the expected
rise in
ocean temperature and acidity by the end of this century,
as forecast by the Intergovernmental Panel on Climate Change (IPCC).
Vineyards planted at higher altitudes or near the
ocean — such
as those in Oregon and Washington and in Argentina's Mendoza Province — will be less affected by
rising temperatures and may continue to benefit from the warming trend.
That knowledge could be crucial to ensure reefs continue to survive
as oceans temperatures continue their inexorable
rise and water becomes more acidic due to climate change.
Those models will look at impacts such
as regional average
temperature change, sea - level
rise,
ocean acidification, and the sustainability of soils and water
as well
as the impacts of invasive species on food production and human health.
The Sheffield scientists have shown that the
rise in
ocean temperatures has caused an increase in the number of severe hurricanes and typhoons, such
as Hurricane Katrina, which devastated New Orleans in 2005, and Typhoon Haiyan, which caused massive destruction in the Philippines in 2013.
The system is helping scientists understand how quickly glaciers and ice sheets will melt, and how fast
oceans will
rise,
as temperatures increase
New findings link
rising ocean temperatures off the northern coast of Brazil to changing weather patterns:
As the Atlantic warms, it draws moisture away from the forest, priming the region for bigger fires.
Some of the methane hydrates in the Arctic and upper continental slopes such
as the northern Pacific
Ocean are beginning to thaw
as temperatures rise.
Any reforms to come from the process, starting next week, would affect about 62 percent of New York state's population, the proportion estimated to reside now in areas that could be hard hit
as rising land and
ocean temperatures raise average sea levels around the globe.
Researchers are uncertain whether phytoplankton, such
as this coccolithophore (above), can adapt quickly enough to
rising ocean temperatures.
But
as ocean temperatures increase due to climate warming, their emission rates could potentially
rise by 20 percent between 2010 and 2100.
However, for the globe
as a whole, surface air
temperatures over land have
risen at about double the
ocean rate after 1979 (more than 0.27 °C per decade vs. 0.13 °C per decade), with the greatest warming during winter (December to February) and spring (March to May) in the Northern Hemisphere.
The
oceans have heaved up and down
as world
temperatures have waxed and waned, but
as new research tracking the past 2,800 years shows, never during that time did the seas
rise as sharply or
as suddenly
as has been the case during the last century.
The reason could be linked to
rising sea surface
temperatures — fueled in part by global warming —
as seen in
ocean buoy data collected along the U.S. coast.
The observed and projected rates of increase in freshwater runoff could potentially disrupt
ocean circulation if global
temperatures rise by 3 to 4 °C over this century
as forecast by the IPCC 2001 report.
During the past years, scientists have found out how
ocean acidification — in some cases combined to other factors such
as rise in
temperatures, eutrophication or loss of oxygen — affects isolated species.
Sightings like Halpin's — that is, dolphins and other creatures like swordfish and loggerhead turtles finding themselves out of their usual waters — may become more common
as ocean temperatures continue to
rise.
«
Ocean temperatures rose substantially during that warming episode —
as much
as 7 to 9 degrees Celsius (about 12 to 16 degrees Fahrenheit) in some areas of the North Atlantic.
For
as much
as atmospheric
temperatures are
rising, the amount of energy being absorbed by the planet is even more striking when one looks into the deep
oceans and the change in the global heat content (Figure 4).
A Queensland study has found that
as ocean temperatures rise more coral larvae may remain on their birth reefs rather than exploring the underwater world and finding a new system on which to settle.
The former is likely to overestimate the true global surface air
temperature trend (since the
oceans do not warm
as fast
as the land), while the latter may underestimate the true trend, since the air
temperature over the
ocean is predicted to
rise at a slightly higher rate than the
ocean temperature.
For the first time in this report, acidification was given ample consideration along with other
ocean changes, such
as temperature and sea level
rise.
Rising sea levels are a direct consequence of rising temperatures: As the oceans warm, they e
Rising sea levels are a direct consequence of
rising temperatures: As the oceans warm, they e
rising temperatures:
As the
oceans warm, they expand.
But the exchange at the annual meeting 2014 at GEOMAR Helmholtz Centre for
Ocean Research Kiel also revealed some critical knowledge gaps: In laboratory experiments, a common phytoplankton species was able to adapt to ocean acidification, even when simultaneously exposed to other stress factors such as rising water temperatures — but will the adapted strains also successfully compete in their natural environ
Ocean Research Kiel also revealed some critical knowledge gaps: In laboratory experiments, a common phytoplankton species was able to adapt to
ocean acidification, even when simultaneously exposed to other stress factors such as rising water temperatures — but will the adapted strains also successfully compete in their natural environ
ocean acidification, even when simultaneously exposed to other stress factors such
as rising water
temperatures — but will the adapted strains also successfully compete in their natural environment?
As greenhouse gases cause global
temperatures to
rise, however, sharks are once again swimming in
oceans that are warmer and more acidic, forcing them to adapt to their new environment.
As a result of
rising ocean temperatures coral bleaching is becoming more common, and it's causing a biotic homogenization of local fish populations.
As ocean temperatures continue to
rise due to greenhouse gas emissions, bleaching events become more common.
But
as temperatures rise and sea ice levels drop to record lows, more of the dark
ocean is exposed, and the sun's warmth is absorbed instead of reflected.
Meanwhile,
as oceans heat up, thermal expansion causes sea levels that are already
rising from the melting of land ice (triggered by higher air and sea
temperatures) to
rise even more.
A new study details how some coral species are actually moving into new territory
as their vulnerable cousins continue to decline with
rising ocean temperatures.
The Fourth Assessment Report finds that «Warming of the climate system is unequivocal,
as is now evident from observations of increases in global average air and
ocean temperatures, widespread melting of snow and ice, and
rising mean sea level.