Sentences with phrase «accumulation zone»

For a glacier to survive it must have a consistent and persistent accumulation zone.

Each measurement network covers a glacier's entire accumulation zone with a reasonably consistent density of measurements.

The mass balance measurement network covers a glacier's entire accumulation zone with a consistent distribution of measurements (Figure 2 and 3).

It is also evident that the Snotel system provides an excellent and cost effective means of collecting data on snowpack development from 1000 - 1900 m in the North Cascades, but does not well represent snowpack accumulation at the average glacier accumulation zones of 2000 m. Making accurate summer streamflow estimates is impossible without data from glacier sites.

The glacier has four distinct topographic sections: 1) Steep peripheral northern and western margins draining into the main valley portion of the glacier; 2) A low slope (40) upper accumulation zone from 1220 m to 1050 m; 3) A steeper section (60) in the ablation zone as the glacier turns west from 1050 - 850 m; 4) An icefall (180) leading to the two - fingered terminus at 600 m.

The Great Pacific Garbage Patch (GPGP), located halfway between Hawaii and California, is the largest accumulation zone for ocean plastics on Earth.

Separately, Berkeley Lab scientist Timothy Kneafsey took CT scans of hundreds of frozen cores and found gas - rich channels and pockets near the surface, which the scientists posited could serve as accumulation zones and pathways for gas flow.

Our Signature treatment is an ultra-relaxing massage focusing on the stress accumulation zones to provide blissful release.

However, the ocean dynamics in the South Pacific make this gyre the one with the tightest accumulation zone, so that could change.

Such accumulation zones are created when large amounts of floating plastic debris are caught by ocean currents and concentrate in the centre of gyre systems.

Lynch Glacier and Rainbow Glacier have the least negative mean annual balance and highest mean accumulation zone altitude of the eight glaciers.

A glacier that is approaching equilibrium during retreat will thin mostly near the terminus, and at some elevation above the terminus, usually near the equilibrium line or in the lower accumulation zone, there will be comparatively little thinning (Schwitter and Raymond, 1993).

They each have varied lengths, heights, widths, fjord geometries, differently - sized accumulation zones (where they «pack on weight») and flow speeds.

In each case the glaciers are retreating notably, but some of the glaciers still have persistent accumulation zones.

This ultra-relaxing massage focuses on the stress accumulation zones to provide blissful release.

«If you look at ocean dynamics alone, this gyre has the tightest accumulation zone, even more than the North Pacific gyre.

That's an example of an accumulation zone and markup.

Some of her previous work suggests that Camp Century could remain in the accumulation zone until at least 2100, because increasing snowfall — another consequence of climate change — may offset melting there.

Fatty tissue serves as an accumulation zone for PBDEs.

A healthy glacier has an accumulation zone at high elevations and an ablation zone at lower elevations; ice flow from the accumulation zone continually feeds glacier tongues that penetrate into the ablation zone.

However, if the equilibrium line rises to the summit of the mountain, the accumulation zone disappears altogether and the glacier is doomed.

Moreover, the tropical region is the «accumulation zone» for the Earth's energy balance, with a great deal of excess solar energy being exported to help warm the rest of the planet.

The altitude separating the accumulation zone from the ablation zone is known as the equilibrium line altitude.

Other pages display maps of individual glaciers, with white regions indicating the «accumulation zone,» where snow falls and adds to the mass, and gray stippled areas showing the «ablation zone,» where melting eats away at the ice.

Only accumulation measurements are made above the snow line in the accumulation zone.

The average density of measurements utilized in this study is 290 points km - 2, while the average density of measurements used in assessing the mass balance in the accumulation zone of other Canadian, Norwegian, Swiss and United States glaciers is 33 points / km -2 (Meier, et al., 1971; Pytte, 1969)(Table 1).

The resulting error in annual assessment for the accumulation zone ranges from +0.10 to +0.15 m.

In the accumulation zone, annual accumulation layer thickness is determined using crevasse stratigraphy, and probing.

Mean densities are higher in the accumulation zone (16 points / km2), than in the ablation zone (5 points / km2).

In assessing the mass balance in the accumulation zone of Canadian, Norwegian, Swiss and United States glaciers the average density of measurements is 16 points / km2 (Pelto, 1996).

The North Cascade Glacier Climate Project (NCGCP), utilizes the highest density of measurements 240 points / km2 in the accumulation zone and 10 points / km2 in the ablation zone.

Mauri indicates that fresh snowfall on the glaciers tends to blunt the impacts of black soot on the glaciers (due to their altitude, they retain much of the fresh snow year - round in their accumulation zones).

If the accumulation zone no longer retains accumulation consistently it will begin to thin.

A glacier is divided into an ablation zone where all accumulated snow is lost from the winter and an accumulation zone where snowpack is retained to the end of the summer.

Boulder Glacier has retreated 500 m since 1987, yet even in the years with the lowest retained snowpack there is still an accumulation zone at the top of the glacier.

In Glacier National Park, North Cascades, Helm Glacier and Place Glacier frequent loss of the entire snowcover by the end of the ablation season has become commonplace (WGMS, 2005 The result is in net ablation throughout the accumulation area causing thinning of the glacier in the accumulation zone.

Also new outcrops of rock maybe exposed in the accumulation zone due to thinning.

Above the famed Khumbu Icefall there is a persistent accumulation zone, indicating it can retreat to a new point of equilibrium with current climate.

This is not to say that further warming will not eliminate many of the the glaciers that have an accumulation zone today.

Thus, to forecast survival we need to focus on the accumulation zone, not just the terminus.

On Columbia, Daniels, Foss, Ice Worm, Lower Curtis, Sholes, and Yawning Glacier thinning is not notably less in the accumulation zone than the ablation zone, indicating disequilibrium (Pelto, 2006).

Glacier thinning in the accumulation zone is limited on Lemon Creek (Miller and Pelto, 1999), Gulkana and Wolverine (Sapiano, et.

The accumulation zones of plastic that form in the five subtropical gyres are a result of the diminished winds and currents occurring at latitudes synonymous with continental deserts.

This accumulation zone after it thickens to more than 30 m begins to move.

A thinning accumulation zone is evident when the margins of the glacier in this accumulation zone - upper potion of the glacier recede.

A glacier can retreat rapidly and still survive if it has an accumulation zone.

For an alpine glacier to have an equilibrium balance it typically must have upwards of 60 % of its area in the accumulation zone at the end of the summer melt season.

Observation of a precipitation map (focused not on the outer margin, but on the accumulation zone of the ice sheet) indicates that highest accumulation rates, over 40 cm per year, extend along the western side of the ice sheet to the southeast quadrant of the ice sheet.