Not exact matches
Warm currents of the Meditererranian
Sea and an average of 300 days of sunshine a year determine the mild climate that lets chiles — called peperoncini in Italy — grow so well here.
But new models show that at the
current rates of greenhouse gas emissions,
warming seas will push these foraging grounds much farther south.
This cycle coincides with the natural rise and fall of
sea surface temperatures in the North Atlantic, which fluctuate roughly 0.2 degree Celsius every 60 years as
warm currents shift.
Sensors that have plumbed the depths of Arctic
seas since 2002 have found
warm currents creeping up from the Atlantic Ocean and helping drive the dramatic retreat of
sea ice there over the last decade.
A recent study (pdf) estimated that at the
current rate of global
warming, Manhattan will face a
sea level rise of 2 feet or more by 2080.
The fall of the temperature of the
sea water is sometimes a sign of the proximity of ice, although in regions where there is an intermixture of cold and
warm currents going on, as at the junction of the Labrador
Current and the Gulf Stream, the temperature of the
sea has been known to rise as the ice is approached.
In the new set - up, a real - world seasonal forecast driven by data on
current sea - surface temperatures will be run alongside a simulated «no global
warming» seasonal forecast, in which greenhouse gas emissions have been stripped out.
In a new paper, Hansen and colleagues warn that the
current international plan to limit global
warming isn't going to be nearly enough to avert disasters like runaway ice - sheet melting and consequent
sea - level rise.
«At 1.5 degrees Celsius, half of the time we stay within our
current summer
sea ice regime whereas if we reach 2 degrees of
warming, the summer
sea ice area will always be below what we have experienced in recent decades.»
Map of
current land and ice separating the Weddell and Ross
seas, courtesy of Wikimedia Commons / Wutsje / CIA Octopuses have made themselves at home in most of the world's oceans — from the
warmest of tropical
seas to the deep, dark reaches around hydrothermal vents.
The future of the
currents, whether slowing, stopping or reversing (as was observed during several months measurements), could have a profound effect on regional weather patterns — from colder winters in Europe to a much
warmer Caribbean (and hence
warmer sea surface temperatures to feed hurricanes).
The latest spike in
sea lion strandings began before the
current El Niño pattern took hold, and before the large expanse of
warm water known as «the blob» began dominating West Coast Waters in 2014.
But there are many unknowns about the
current status of 11 species of marine mammals who depend on Arctic
sea ice to live, feed and breed, and about how their fragile habitat will evolve in a
warming world.
A March study shows that one large swath of the ice sheet sits on beds as deep as 8,000 feet below
sea level and is connected to
warming ocean
currents.
Sea ice and icebergs also melt as ocean
currents carry them to
warmer places farther from the poles.
The authors write that their observation that the modern collapse of the LIS - B is a unique event supports the hypothesis that the
current warming trend in the northwestern Weddell
Sea is longer and bigger than past
warm episodes.
The report also predicts what implications
warming seas may have for our planet in the near future if
current trends continue.
«The
current sea urchin fishery is experiencing existential stressors of regional
warming, ocean acidification, and hypoxia.
Despite an especially
warm winter, the
current extent of
sea ice does not represent a new record low; nevertheless, the amount of ice loss is massive.
Rising
seas The
current warming of the
seas and the associated expansion of their waters account for about one - third of
sea level rise around the world.
Some of the world's most recognisable and important landmarks could be lost to rising
sea - levels if
current global
warming trends are maintained over the next two millennia.
That is a major change in
sea currents,
warming, wildlife, coastal erosion, and much less solar energy being bounced back into space by ice that in not there.
The
current era (at least under present definitions), known as the Holocene, began about 11,700 years ago, and was marked by
warming and large
sea level rise coming out of a major cool period, the Younger Dryas.
By Kenneth Richard Geophysicist and tectonics expert Dr. Aftab Khan has unearthed a massive fault in the
current understanding of (1) rapid
sea level rise and its fundamental relation to (2) global - scale
warming / polar ice melt.
Melting
sea ice will mean ocean
currents can carry
warmer water and nutrients into Arctic water, taking fish further north and potentially allowing them to mix between oceans.
In other words, the
current climate might be at 390 ppm CO2, but the amount of
warming we've seen (or for that matter, the extent of many glaciers,
sea level, etc) has not equilibriated to a 390 ppm CO2 world.
Even if world manages to limit global
warming to 2 °C — the target number for
current climate negotiations —
sea levels may still rise at least 6 meters (20 feet) above their
current heights, radically reshaping the world's coastline and affecting millions in the process.
Current studies include the exploration of Arctic deep -
sea life under the ice, and the long - term observation of the effects of global
warming on polar ecosystems as well as on hypoxic aquatic ecosystems.
This could be do to changes in ocean circulation, and
warming waters reaching the grounding lines for ice shelves in Arctic and Antarctica, leading to non-linear increase in melting and
sea level rise, impossible to avoid on our
current path.
This isn't news to top climate scientists around the world (see Hadley Center: «Catastrophic» 5 — 7 °C
warming by 2100 on
current emissions path) or even to top climate scientists in this country (see US Geological Survey stunner:
Sea - level rise in 2100 will likely «substantially exceed» IPCC projections, SW faces «permanent drying») and certainly not to people who follow the scientific literature, like Climate Progress readers (see Study: Water - vapor feedback is «strong and positive,» so we face «
warming of several degrees Celsius»).
St Kitts diving enjoys
warm water, calm
seas and no
currents.
With
warm seas and little
current we are an excellent choice to learn to Scuba Dive.
Though 2015 was a record year, the
warming of parts of the Pacific Ocean and the resulting deleterious effects on seals and
sea lions began before the onset of the
current El Niño effect.
The mingling of cool, nutrient - rich waters from the north with
warm currents from the south form a dynamic transition zone that is home to a myriad of
sea life from microscopic plankton to blue whales.
While
warm waters do make conditions good for swimming, visitors are advised to be on their guard against strong
currents that can draw even experienced swimmers out to
sea.
The abundant waters off the coast of Cabo San Lucas — located at the southern tip of the Baja Peninsula, where the calm and
warm waters of the
Sea of Cortez mixes with the unfathomable cool
currents of the Pacific Ocean — offer the ideal conditions for plenty of sport - fish species, including (among others) Rooster Fish, Mahi Mahi (known locally as Dorado), varieties of Tuna, Sharks, Jacks, Groupers, and Billfish such as Sailfish, Swordfish, Black Marlin, Blue Marlin and Striped Marlin.
In 2012, a new record low was established, and a contributor to this was an unusually
warm current that merged with the Beaufort
Sea Gyre.
Other factors would include: — albedo shifts (both from ice > water, and from increased biological activity, and from edge melt revealing more land, and from more old dust coming to the surface...); — direct effect of CO2 on ice (the former weakens the latter); — increasing, and increasingly
warm, rain fall on ice; — «stuck» weather systems bringing more and more
warm tropical air ever further toward the poles; — melting of
sea ice shelf increasing mobility of glaciers; —
sea water getting under parts of the ice sheets where the base is below
sea level; — melt water lubricating the ice sheet base; — changes in ocean
currents -LRB-?)
For Fred Singer, a climatologist at the University of Virginia and another co-author, the
current warming «trend is simply part of a natural cycle of climate
warming and cooling that has been seen in ice cores, deep
sea sediments and stalagmites... and published in hundreds of papers in peer reviewed journals.»
Gavin disputes that the main driver of the
sea ice retreat is the albedo flip, but we are seeing not only polar amplification of global
warming but positive feedback, which would not be explained simply by radiative forces and ocean
currents.
Excerpt: Livermore CA (SPX) Nov 01, 2005 If humans continue to use fossil fuels in a business as usual manner for the next several centuries, the polar ice caps will be depleted, ocean
sea levels will rise by seven meters and median air temperatures will soar 14.5 degrees
warmer than
current day.
Yet we know well that our
current flooding predictions will be entirely obsolete in less than two decades, as thousands of miles of coastlines are slowly claimed by rising
seas, due both to coastal subsidence and global
warming.
During the previous interglacial, the Eemian, temperatures were about 2 K
warmer than now and the
sea highstand was 4 — 6 meters higher than the
current level, depending upon location measured.
But this is in a period that the Bureau has predicted is likely, based on statistical analysis of historical data and
current sea surface conditions, to be
warmer than the historical average (see here.
Given all the independent lines of evidence pointing to average surface
warming over the last few decades (satellite measurements, ocean temperatures,
sea - level rise, retreating glaciers, phenological changes, shifts in the ranges of temperature - sensitive species), it is highly implausible that it would lead to more than very minor refinements to the
current overall picture.
And at last, the Norwegian
Current, the Spitsbergen
Current and the East Iceland
Current carry
warm, relative saline waters into the Arctic
seas.
The
warm sea surface temperatures in the gyres, during hiatus decades, indicate convergence of near - surface
currents and strong downwelling of heat.
That period,
warmer than the
current warm stretch (at least for the moment), had
sea levels around 10 to 15 feet higher than they are now.
I recall mention that Katrina was unusual because while crossing the Gulf «Ring
Current» the deeper water pulled up by the hurricane was almost as
warm as the
sea surface, so the deeper water fed almost as much heat energy into the storm as the surface.
The corresponding intensification of the atmospheric Walker circulation is also associated with
sea surface cooling in the eastern Pacific, which has been identified as one of the contributors to the
current pause in global surface
warming.