Sentences with phrase «glaciers based on»

One was the himalayan glaciers based on a casual conversation, then we went to the amazon rainforest and then to the Australian Great Barrier Reef disapeaing.

Further to Witgren's point, wasn't all that brouhaha about the Himalaya glaciers based on a typo too?

There is a film somewhere over in the web showing the retreat of some glaciers based on time - lapsed photos (it is by James Balog if I remember correctly).

Not exact matches

In addition to the four climbers, our expedition included medical adviser Miriam Zieman and photographer Joe Mark Blackburn, both from the New York City area, who would support us at our advanced base camp on the Kangshung glacier at 17,800 feet.

Since the Siachen glacier region falls within the un-delineated territory beyond the last defined section of the Line of Control — i.e.; map grid - point NJ 9842 — Indian and Pakistani territorial claims are based on their interpretations of the vague language contained in the Karachi and Simla agreements.

«Until recently, we had little information on ocean temperature and water depth in these fjords to quantify these processes, so the interpretation of glacier evolution on a case - by - case basis was difficult.»

On both Earth and Mars, rocks and debris within cold - based glaciers can be exposed as overlying ice sublimes, turning from a solid directly into a gas.

The analysis is based on the fact that as the world warmed following the coldest part of the last ice age 20,000 years ago, the ice deep inside the Antarctic glaciers warmed more slowly than Earth's surface, just as a frozen turkey put into a hot oven will still be cold inside even after the surface has reached oven temperature.

James Balog, who founded Extreme Ice Survey that uses photography and videography to document the impact of climate change on glaciers — work that was the basis of his 2012 documentary «Chasing Ice» — said his work shows how human activities are transforming Earth's systems.

«It is pretty hard to get to the base of a glacier to see what's going on there, but the glacial polish can tell us about the composition of the gunk on the bottoms of glaciers and when the polish was formed.»

Based on his experience in the Rio Santa — where it was once assumed that 80 percent of water in the basin came from glacier melt — Mark said he expects to find that the impact of monsoon water is greatly underestimated in the Himalayas.

Roberts found that when warm water melts Totten from below, it causes the base of the glacier that's usually grounded on the seafloor to float.

However, until now, it was thought that the glaciers were only affected by events in the northern hemisphere, based on the dating of past glacial advances.

The results now published in Environmental Research Letters seem to contradict the data from a satellite mission based on other measuring methods, which indicates a slight increase in mass in the glacier ice for an almost identical period of time.

(The report's conclusions were first widely publicized in a November story in Science, and the flimsy basis for the «very high» statement in the 2007 report is detailed here, in a letter to Science by a Canadian expert on glaciers.

Moon describes the many ways researchers study glacier dynamics, from in - place measurements on the ice to satellite - based monitoring campaigns to models.

Based on this data, the researchers found that the glaciers were traveling faster than anyone had predicted.

Based on the sizes of the formations, Scanlon could estimate how much lava would have interacted with the glacier.

«One possible explanation is that previous estimates were based on measurements taken primarily from some of the lower, more accessible glaciers in Asia and extrapolated to infer the behavior of higher glaciers.

On James Ross Island, NE Antarctic Peninsula, most of the small outlet glaciers are polythermal, with smaller niche glaciers being cold - based.

The ocean heat content change is from this section and Levitus et al. (2005c); glaciers, ice caps and Greenland and Antarctic Ice Sheets from Chapter 4; continental heat content from Beltrami et al. (2002); atmospheric energy content based on Trenberth et al. (2001); and arctic sea ice release from Hilmer and Lemke (2000).

More specifically, using digital scans of paper maps based on aerial imagery acquired by the U.S. Geological Survey, along with modern - day satellite imagery from a variety of platforms, the authors digitized a total of 49 maps and images from which they calculated changes in the terminus positions, ice speed, calving rates and ice front advance and retreat rates from 34 glaciers in this region over the period 1955 - 2015.

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Our train departs from the town centre and climbs along the mountain base, passing the Eibsee Lake as well as «Hell Valley», named so thanks to it's narrow gorge that gives way to steep valley walls, on its way to the Zugspitzplatt, situated by the impressive Schneeferner glacier.

Is the determination of glacier recession based solely on interpolation of aerial and satelite images?

Calculations as to the magnitude of this effect (that is, how dust is needed to significantly decrease glacier albedo) certainly have been done, though probably not on a global basis.

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-?)

Overall, I estimate the mass balance of the Greenland ice sheet to be about -80 + / -10 cubic km of ice per year in 2000 and -110 + / -15 cubic km of ice per year in 2004, i.e. more negative than based on partial altimetry surveys of the outlet glaciers.

Pachauri derided the conclusions, which were not peer reviewed, as «schoolboy science,» only to have it revealed soon afterward that the panel's own conclusions on the glaciers were wrong, and based on the equivalent of scientific hearsay.

I first worked in Greenland on the Jakobshavns Glacier in the mid 1980's the reason for the study was to explain why this was fastest glacier on a sustained basis in the world.

The first mechanism for explaining the change in velocity is the «Zwally effect», which relies on meltwater reaching the glacier base and reducing the friction through a higher basal water pressure.

Chris Dudley (21, 40)-- Based on some limited knowledge about glaciers and ice sheets, I am of the fairly firm opinion that nothing above 300 ppm CO2e preserves a «safe» climate, in the long run.

Our physical patterns are based on the physics of glacier / ice sheet melt (static equioibrium fingerprints), glacial isostatic adjustment models, and an ensemble of GCMs to inform the ocean dynamic contribution.

«If, as the glacier recedes up the trough, it is able to maintain the peak speeds year round, then a sustained speedup by a factor of 4 of 5 is conceivable based on recent behavior, which is about half of the ad hoc tenfold upper limit on speed proposed by Pfeffer et al. (2008).

The contribution from glaciers and ice caps (not including Greenland and Antarctica), on the other hand, is computed from a simple empirical formula linking global mean temperature to mass loss (equivalent to a rate of sea level rise), based on observed data from 1963 to 2003.

Given all the oversimplified assertions over the years about Himalayan glaciers in a warming global climate, it's great to see a committee assembled by the National Academy of Sciences weigh in on the question with some data - based findings in a new report, «Himalayan Glaciers: Climate Change, Water Resources, and Water Securityglaciers in a warming global climate, it's great to see a committee assembled by the National Academy of Sciences weigh in on the question with some data - based findings in a new report, «Himalayan Glaciers: Climate Change, Water Resources, and Water SecurityGlaciers: Climate Change, Water Resources, and Water Security.»

Glenn (13:47:49): «Christopher Monckton was on a national breakfast show here in Australia yesterday morning, «debating» some climate scientist who defended the glacier - problem on the basis of «well, one mistake doesn't make the rest of the report invalid».

These values have been estimated using relatively simple climate models (one low - resolution AOGCM and several EMICs based on the best estimate of 3 °C climate sensitivity) and do not include contributions from melting ice sheets, glaciers and ice caps.

In 1971, the Washington Post reported that research based on climate modeling developed by NASA scientist James Hansen predicted that glaciers would cover much of the globe within 50 years — by 2021 — because of mankind's fossil - fuel dust blotting out the sun.

We quantify sea - level commitment in the baseline case by building on Levermann et al. (10), who used physical simulations to model the SLR within a 2,000 - y envelope as the sum of the contributions of (i) ocean thermal expansion, based on six coupled climate models; (ii) mountain glacier and ice cap melting, based on surface mass balance and simplified ice dynamic models; (iii) Greenland ice sheet decay, based on a coupled regional climate model and ice sheet dynamic model; and (iv) Antarctic ice sheet decay, based on a continental - scale model parameterizing grounding line ice flux in relation to temperature.

Inspired by scientific research, Katie Paterson creates art based on data from faraway melting glaciers, long - dead stars, and the initial moments of the universe.

I argued that Greenland's glaciers would soon stabilize and sea ice in the Barents Sea would soon recover based on trends in the transport of warm Atlantic water into the Arctic.

Based on GRACE satellite gravity estimates (illustrated in the graph below on the left) and hydrographic measurements (graph on right), Greenland's lost ice has correlated best with the pulses of warm Atlantic water that entered into the Irminger Current that flows to the west around Greenland, delivering relatively warm water to the base of Greenland's marine terminating glaciers.

The IPCC projections of sea level rise are based largely on the slow, steady and inexorable thermal expansion of the oceans (as water heats, its volume increases) with some additional contributions from the melting of mountain glaciers (almost all of which are expected to be gone by mid century).

Mass changes of outlet glaciers along the Nordensjköld Coast, northern Antarctic Peninsula, based on TanDEM - X satellite measurements.

The melt - off from the world's ice sheets, ice caps and glaciers over eight years of the past decade would have been enough to cover the United States in about 18 inches (46 centimeters) of water, according to new research based on the most - comprehensive analysis of satellite data yet.

I base this view on a trip I took to Iceland a few years ago as a guest of General Motors to see how the island of glaciers and geysers use the earth's geothermal heat to convert water into hydrogen, hydrogen that runs a few demonstration fuel cell cars and buses.

Based on satellite observation, a sample of 270 glaciers also lost 20 % of their area between 1973 and 1998.

The glacier distribution map is based on the Randolph Glacier Inventory (RGI 2017), which consists of a global compilation of glacier outlines with attached extra information that has mainly been derived from satellite images acquired around the years 2000 and 2010.

The latest estimates for sea level rise cited by the International Panel on Climate Change (IPCC) are based largely on the melting of nonpolar glaciers and the expansion of warmer ocean waters.