Sentences with phrase «glacial retreat»

There's also an accelerating trend of glacial retreat on the continent.

The concern for us now is that that rate of glacial retreat continued for decades or even centuries.

The current glacial retreat has accelerated alot in the last few decades.

The glaciers flowing from the steep mountains on the tip of the South American continent, have been one of the most visible of global glacial retreats.

Previously understanding this large - scale glacial retreat has been a puzzle.

There is no rule that one and only one forcing will govern glacial retreat.

As far as glaciers are concerned they establish that worldwide glacial retreat began about 1850 ad has accelerated since the second half of the 20th century.

In the long run glacial retreat causes less runoff to be available which in turn reduces overall water supply.

The rate and extent of glacial retreat, the scientists say, depends on the levels of greenhouse gases emitted from the burning of fossil fuels in future.

The current rapid and global glacial retreat is very strong evidence of global warming.

Namely, 1) that the ice loss on Kilimanjaro is happening at the same time as widespread glacial retreat in mid and low latitudes; and 2) there is evidence that the current shrinking and thinning of these glaciers is «unique within an 11,700 - year perspective.»

- Our ice is disappearing - Sea ice, coming and going - Dana Rohrbacher (R - CA): on climate change, makes wrong even wronger - Dramatic glacial retreat caught by NASA satellite

- Climate denial crock of the week - Climate change followup - Deniers abuse power to attack climate scientists - Dramatic glacial retreat caught by NASA satellite

I do hear people use almost exactly the wording I start with above, «glacial retreat doesn't prove anything... etc» hence the emphasis on putting this single line of evidence in context.

Similarly, warm periods with glacial retreat occurred within the late Cenozoic cool period during the late Oligocene and early Miocene epochs.

Contrary to the impression left by the IPCC Summary reports: - Recent observations of phenomena such as glacial retreats, sea - level rise and the migration of temperature - sensitive species are not evidence for abnormal climate change, for none of these changes has been shown to lie outside the bounds of known natural variability.

Here on earth we have direct measurements from all over the globe, widespread glacial retreat, reduction of sea ice, and satellite measurements of the lower troposphere up to the stratosphere.

However I suggest that you amend the talking point on your site to say that «there is no clear relationship between glacial retreat and AGW».

In any case, you need to explain why most glacial retreat (where records are available) began about 1850, well before C02 could be considered a dominant climate forcing.

«As for attribution of 20th century and in particular late 20th century glacial retreat, I think melting ice is a symptom of warming so any attribution of warming to anthropogenic causes extends to melting.

One wonders why the movie, with glacial retreats around the world that are provably due to warming, would focus on one that is probably not due to warming.

The evidence for rapid climate change is compelling: Sea level rise Global temperature rise Warming oceans Glacial retreat

It cites numerous ways in which climate change is already threatening Europe, including glacial retreat in Europe's mountain systems, flooding from the melting ice - caps and increased water demand in the Mediterranea.

By 1900, increased emissions of soot could have triggered the loss of more than 15 m of ice from a glacier's surface; by 1930, the loss could have totaled 30 m or more — magnitudes and timing that can easily account for the Alpine glacial retreat, the scientists contend.

Creating a timeline of glacial retreat also provides insight into how the first people got to North America.

Glacial retreat patterns and processes determined from integrated sedimentology and geomorphology records.

Glacial retreat affects ocean circulation patterns, fisheries and global sea level rise.

The bottom line is that climatic change effects are being experienced RIGHT NOW; some are subtle while others are more overt, like glacial retreat, an increase in the severity and unpredictability of weather phenomena, or the North Polar ice cap shrinking to its lowest surface area in history.

Always precise and timely, the site's resident meteorologists, geoscientists and oceanographers sound off on all news climatalogical, from tropical glacial retreat to «doubts about the advent of spring.»

Researchers have estimated there was greater glacial retreat (and thus a greater flux of meltwater) in the early 1900s compared to now.

All three of these changes lead to more negative balances, and have been the cause of the rapid glacial retreat that has occurred in the North Cascades during the last 5 - 7 years (Pelto, 1993).

Carbon - 14 dates put the date of this earlier glacial retreat to between AD 800 and 1014, bracketing the time of the Norse colonization.

It shows the Hockey stick paleo reconstructions - smoothed 50 year records - and decadal CET instrumental (and reconstruction) The blue lines closed at the top represent glacial retreats and closed at the bottom glacial advances.

Oceanic levels however were likely at their highest at the end of the Roman warm period as this seems to coincide with the maximum glacial retreat we can trace over the last 2000 years

«The phenomenon changes the timing and intensity of the monsoon, effectively transferring heat from the low - lying lands over the subcontinent to the atmosphere over the Tibetan Plateau, which in turn warms the high - altitude land surface and hastens glacial retreat,» Lau said.

Other effects of global warming include higher or lower agricultural yields, further glacial retreat, reduced summer stream flows, species extinctions.

In the absence of the peer - reviewed literature that attributes an anthropogenic component to the warming causing glacial retreat, I'd suggest that my earlier statement «no clear relationship» should prevail.

(Clearly however brief Warm periods can occur during a general glacial retreat and brief cold periods during glacial advance.)

Furthermore you use that interpretation to push the claim that temperatures for most of the holocene were warming than now which can hardly be supported by evidence of say arctic ice extent, glacial retreat levels etc, never mind other proxies.

Increased snowfall advances a glacier's extent, while increased melting forces glacial retreat.

Glacial retreat produced new meltwater ponds that were colonized by three species of frogs [15] and later by Bd.