Sentences with phrase «glacial meltwater»

2 million people who rely on glacial meltwater supply in the dry season, and immediate danger in the short term for thousands who might live below precarious glacial lakes.

Rind, D., G.L. Russell, G.A. Schmidt, S. Sheth, D. Collins, P. Demenocal, and J. Teller, 2001: Effects of glacial meltwater in the GISS Coupled Atmosphere - Ocean Model: Part II: A bi-polar seesaw in Atlantic Deep Water production.

People who eat fish from glacial meltwater may be at risk from persistent organic pollutants produced in the 20th century.

They range from changes in ocean circulation patterns caused by glacial meltwater entering the ocean to the cosmic - impact theory.

«The amount of glacial meltwater going into the lake has dramatically increased,» said Martin Sharp, glaciologist and University of Alberta professor.

Scientists say a lake at the snout of the Chorabari Glacier was almost brimming over with glacial meltwater [continue reading...]

This presents a problem in the long term for more than 2 million people who rely on glacial meltwater supply in the dry season, and immediate danger in the short term for thousands who might live below precarious glacial lakes.

The resulting glacial meltwater can form dangerous lakes contained only by unstable rock and debris.

Record high temperatures in Pakistan's far north were already producing higher amounts of snowmelt and glacial meltwater runoff from the Karakoram Range and into the Indus River System.

Glacial meltwater gains phosphorus when it travels in moulins, or «pipes» through the ice — through the guts of the glacier and down to the where the ice meets the bedrock.

The concentrations of dissolved phosphate the researchers found in the Leverett Glacier meltwater — which is just one form of phosphorus found in the meltwater — were similar to concentrations found in Arctic rivers, and among the highest levels recorded in glacial meltwaters worldwide.

The pressure of the ice sheet constrains the lava flow, and glacial meltwater chills the erupting lava into fragments of volcanic glass, forming mounds and ridges with steep sides and flat tops.

Glacial meltwater enriches the waters of the polynya with iron, scientists have hypothesized.

Furrer's family had subsisted on the bounty of the mountains and ice for generations, hunting in the larch and spruce forests and keeping pastures green by diverting glacial meltwater all the way around the mountain with sluices and channels.

It is very likely much of the current glacial meltwater will then take decades to millennia to reach the ocean and has yet to impact modern sea levels.

Any precipitation or glacial meltwater flowing into an endorheic basin could require centuries to thousands of years to flow back to the oceans.

Communities living in dry areas of the world that depend on seasonal glacial meltwater will be affected first.

Glacial meltwater also keeps regional rivers and lakes topped up.

The concept of glacial meltwater stopping the Gulf Stream is referred to as a thermohaline situation.

Weyl (1968), speculating that the «temporary stagnation» of the bottom water would end because of warming by the interior heat of the Earth; the role of glacial meltwater suppressing North Atlantic Deep Water production was also pioneered by Worthington (1968); a neat explanation of the entire circulation in terms of water evaporating from the North Atlantic more than from the cooler North Pacific was indicated by Warren (1983).

These result from the catastrophic failure of a natural dam high in the mountains that contains glacial meltwater.

People who eat fish from glacial meltwater may be at risk from persistent organic pollutants produced in the 20th century.

«The amount of glacial meltwater going into the lake has dramatically increased,» said Martin Sharp, a Univer...

Most of the lakes in Minnesota and Wisconsin were gouged out by glaciers and later filled with glacial meltwaters.

The consequences for the ecosystems that depend on glacial meltwater are uncertain, but this burden of biological soot and sediment has potential implications for the global carbon [continue reading...]

New research led by Arrigo found that the most important determinant of productivity — or the abundance of phytoplankton — in these polynyas is iron that is being pumped into them by glacial meltwater.

Diversion of glacial meltwater from the Mississippi to the St. Lawrence was suggested by Kennett and Shackleton (1975); Johnson and McClure (1976); Ruddiman and McIntyre (1981a), p. 204 dismissed this since they saw no decrease in North Atlantic biological productivity; but later data, as explained by Broecker, supported the idea, Broecker et al. (1989).

Rind, D., P. Demenocal, G.L. Russell, S. Sheth, D. Collins, G.A. Schmidt, and J. Teller, 2001: Effects of glacial meltwater in the GISS Coupled Atmosphere - Ocean Model: Part I: North Atlantic Deep Water response.

At some point, a swirling torrent of glacial meltwater had carved out the pothole.

Climate change's glacial meltwaters will not aid such irrigation projects.

Glacial meltwater has long been known to contain phosphorus, but now new research shows that as the Greenland ice sheet melts it could be releasing far more of the nutrient than previously thought, reports Jon Hawkings, a Cabot Institute researcher at the Bristol Glaciology Centre at the University of Bristol in the United Kingdom.

This glacial meltwater lake was enclosed in ice and experienced a massive breach during this period, which emptied an enormous volume of water into the ocean,» explains Herrle.

Glacial meltwater is relatively insignificant to the state, said Harry LaBonde, director of the Wyoming Water Development Office, citing a study that found glaciers only account for 1 to 12 percent of annual stream flow in three local watersheds.

Glacial meltwater is important for irrigation, drinking water and hydropower, both for mountain villages and large cities such as La Paz and El Alto.

«Because it's glacial meltwater, the amount of fine sediment going into the lake has dramatically increased as well.

The bottom line: If you want a really productive polynya, dump a lot of glacial meltwater into it, Arrigo said.

This spectacular river winds through the Valley of Falls draining the glacial meltwater of the Homathko Icefields adjacent to the Great Bear Rainforest.

These opalescent streaks are actually rivulets of glacial meltwater, making their way from ice caps to the sea.

The consequences for the ecosystems that depend on glacial meltwater are uncertain, but this burden of biological soot and sediment has potential implications for the global carbon cycle as well.

Glaciers are an essential source of water for many places around the world, where people depend on glacial meltwater to replenish their aquifers.

In 2010 geologists found evidence for a Dryas trigger in a massive release of glacial meltwater, as Broecker had predicted, only by way of the Mackenzie River system of northern Canada rather than the St. Lawrence, Murton et al. (2010).

Glacial meltwater is essential for helping Andean communities get through the dry season.