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Topic: Glacial melt waters


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In the News (Sun 3 Jun 12)

  
 The Science
The first are catchwork (or catchmeadow) systems where water from springs and streams is diverted along contoured gutters cut into a hillside and controlled such that it overflows this high-level watercourse to run downhill through the grass to be collected in a gutter at a lower level.
Water is caused to descent through the grass on either side to drains.
Water meadows had spread rapidly since the sixteenth century and their success depended upon their production of animal products (notably sheep meat and wool), on producing a reliable hay crop and boosting the productivity of cereal crops grown on the thin chalky soils of the downland located adjacent to the valley bottoms.
mysite.wanadoo-members.co.uk /salisburywatermeadow/descript11.htm   (911 words)

  
 Melt Water - Search Results - MSN Encarta   (Site not responding. Last check: 2007-10-24)
Melt Water - Search Results - MSN Encarta
Melt Water, water produced from the melting of snow and ice, especially from a glacier.
Glacial melt waters are derived from the melting of surface...
uk.encarta.msn.com /Melt_Water.html   (119 words)

  
 Glossary for Ecological Types of Mount Shasta
The melt water from glaciers carry this material in streams downslope to the streams's flood plain.
At the end of the last glacial period, about 10,000 years ago, the glaciers were much larger than they are today and the warming that ended the glacial period led to accelerated melting.
Glacial melt waters came down the mountain side in torrents and carried huge volumes of soil material that created the outwash plains that we see today.
www.siskiyous.edu /shasta/env/ecotype/glo.htm   (383 words)

  
 Geography Site: Glaciers - Odd Facts   (Site not responding. Last check: 2007-10-24)
In the United States, glaciers cover over 75,000 square kilometres, with most of the glaciers located in Alaska.There are nearly 100,000 glaciers in Alaska, and most of them don't have names.
Tropical glaciers in Africa have decreased in area by 60 to 70% on average since the early 1900s.
The glaciers of western Greenland, where 90% of Newfoundland's icebergs originate, are amongst the fastest moving in the world, up to 7 km per year.
www.geography-site.co.uk /pages/physical/glaciers/facts.html   (1561 words)

  
 West Bloomfield Canals   (Site not responding. Last check: 2007-10-24)
Allowing canals to mean unusual channels rather than simply man-made water routes, the "first" canals in West Bloomfield still exist in the deepest parts of our numerous deep lakes.
These "fishing holes" were arteries that carried away glacial melt waters some 10,000 years ago from the fronts of the receding glaciers.
Those that were unsuccessful claimed simply that "the bottom of the river ended up too close to the top of the water", largely ignoring any resulting damage to the environment.
www.gwbhs.com /articles/Canals.htm   (883 words)

  
 Lake Roosevelt National recreation Area
In the language of the Pacific northwest, a coulee is a gorge formed by glacial melt waters or a stream that is now dry.
of water; at the ice dam the water was approximately 600 m deep.
Where water velocities were highest, the Missoula floods eroded channels, many with scour depressions, and left scabs or erosion remnants of basalt.
www.geog.umn.edu /courses/5441/NPLRNRA.htm   (3312 words)

  
 Physiography and Land Use
During the last glacial period the St. Croix served as a major drainage for glacial melt waters.
In addition to carrying melt waters from the glacier, the St. Croix carried overflow waters from large glacial lakes that occurred in the Lake Superior basin.
The remainder of the Valley is composed primarily of broad, flat glacial outwash plains and kettle and knob topography associated with terminal and end moraines.
www.npwrc.usgs.gov /resource/birds/stcroix/phygraph.htm   (1348 words)

  
 Rough Science . New Zealand . Mike Bullivant's Diary | PBS
Weathering and erosion release the gold from the quartz and surrounding rock, and it's washed downstream by glacial melt-waters, streams and rivers.
Because the water flows less quickly on the inside of a bend, it's here that the heavy gold flakes and grains will be deposited in a line (anything from a few centimetres to a metre or so wide) on the riverbed.
As the water carries the gold and sediment over a boulder or rock, the gold grains and flakes fall to the riverbed on the downstream side.The gold eventually works its way down the clay bedrock, where it comes to rest.
www.pbs.org /weta/roughscience/series3/scientists/mikeb/diary06.html   (682 words)

  
 Yangtze River
The source of the Yangtze is the Wu-lan-mu-lun (Ulan Muren) River, which originates in glacial melt waters on the slopes of the T'ang-ku-la Mountains in southern Tsinghai province on the border with the Tibet Autonomous Region.
From the confluence of this stream with several others, the river flows generally easterly through a shallow, spacious valley, the bottom of which is studded with lakes and small reservoirs.
The river receives the waters of many tributaries, among which the Ya-lung River is the largest and contributes the most water.
www.groept.be /dam/Yangtze_River.htm   (882 words)

  
 Great Bay National Estuarine Research Reserve
It is one of the largest estuaries on the Atlantic Coast and at 10 miles inland is one of the most recessed.
The glacial melt waters contributed to rising ocean waters, which flooded the land and filled the river valleys that make up Great Bay today.
Eelgrass plants help maintain water quality and clarity by filtering the water allowing sediments to settle and then using the excess nutrients for growth.
www.greatbay.org /heritage   (367 words)

  
 Lulworth Cove - Wikipedia, the free encyclopedia
The entrance to the cove is a narrow gap in the limestone bands.
This was formed by a combination of erosional processes by wave action and glacial melt waters.
The wide part of the cove is where the weak clays and greensands have been eroded.
en.wikipedia.org /wiki/Lulworth_Cove   (756 words)

  
 Squam Swamp   (Site not responding. Last check: 2007-10-24)
As the last glacier advanced from the north approximately 15,000 years ago, it moved small rocks, large boulders, sand, and clay ahead of it.
This material was deposited along the glacier’s southernmost edge, forming a moraine that is now visible as the weathered, gently rolling hills (kames) and valleys (kettles) that make up the northern portion of the island.
By contrast, the southern half of Nantucket is relatively flat and consists of the finer, sandy material that was laid down in an outwash plain by glacial melt waters flowing to the sea.
www.nantucketconservation.com /info_files/properties/squamf.html   (2404 words)

  
 LUSTER-Sognefjord,Norway:Tourist Information Sognefjord,Jotunheimen,Jostedalsbreen Glacier
Jotunheimen is a practically undisturbed area of majestic mountains, glaciers and lakes, with hard unyielding rock types, formed under great pressure deep down in the earths crust and later forced up to the surface.
The largest is Gjende and in the late summer the glacial melt-waters turn it an opaque emerald-green, in contrast to the deep-blue waters of Bessvatn 391 m higher up.
The beautiful Glacier Crowfoot is the highestgrowing flowering plant, thriving at 2,370 m on Glittertind, only l 00 m below the summit.
www.lustertourist.com /eng-jotunheimenintro.htm   (484 words)

  
 Loess Hills Hideaway Cabins and Campground - Loess Hills State Forest
The hills are composed of finely ground wind blown silt from glacial deposits.
As the glaciers melted, the Missouri Valley became a major channel for enormous quantities of water.
Each winter as the glacial melt waters froze, large areas of flood deposited sediments were left exposed to the wind.
www.loesshillshideaway.com /state_forest.html   (212 words)

  
 Station 9   (Site not responding. Last check: 2007-10-24)
The Champlain Sea was formed after Lake Vermont was freed from the glaciers to the north.
The oceans were full of the glacial melt waters, so the salt water flowed into the Champlain Valley forming a small sea.
We see no evidence of salt water here, but the well-preserved skeleton of a whale was found near Charlotte, a few miles south of here.
www.vtstateparks.com /htm/hike/stop9.htm   (153 words)

  
 BBC NEWS | Science/Nature | 'Major melt' for Alpine glaciers
Glaciers are crucial in providing fresh drinking water, and are also key for tourism, irrigation and hydro-power.
Melting of glaciers could be serious news for people living in or near the Alps.
Without them, the stored water would descend in a rush in spring, as soon as the snow began to melt.
news.bbc.co.uk /1/hi/sci/tech/4874224.stm   (486 words)

  
 ASTM International Technical Committee D19
The study of water, the promotion of knowledge thereof, and the standardization of terminology methods for:
* The determination of the corrosivity or deposit forming properties of water.
The work of the Committee will be coordinated with other ASTM Committees and other societies and organizations having mutual interests.
www.astm.org /COMMIT/SCOPES/D19.htm   (94 words)

  
 Science/AAAS | Editors' Choice : 23 November 2001; 294 (5547)
Changes in oceanic thermohaline circulation, triggered by variations in the flux of glacial melt water to the North Atlantic Ocean that affect the formation rate of North Atlantic Deep Water, can produce rapid dramatic changes in climate.
Deep water does not originate exclusively in the North Atlantic, however; it also is made around the edges of Antarctica, where it is referred to as Antarctic Bottom Water.
Although most of the attention given to the question of how the modification of sea surface salinity by the addition of glacial melt waters affects thermohaline circulation is still directed at Northern Hemisphere deepwater formation sites, the role of the Southern Ocean is now being investigated more vigorously.
www.sciencemag.org /content/vol294/issue5547/twil.dtl   (1343 words)

  
 A Brief History of Rochdale Lancashire   (Site not responding. Last check: 2007-10-24)
This pass was formed at the end of the ice age by glacial melt waters.
These waters eroded away the softer rock found in this area and thus formed a gap in the Pennines.
This gap provided an excellent packhorse route and later on road, rail and canal all share this narrow pass.
www.dunning94.freeserve.co.uk /history.htm   (530 words)

  
 Forested Hill Country
From the escarpment, or fringed edge of the plateau, at Great Seal, on can gaze eastward across ridge after ridge rolling away to the horizon.
A walk through a narrow-walled gorge of the Blackhand sandstone tells of a time 330 million years ago when large rivers flowed out of the mountains to the east and southeast and deposited the sand and gravel that would become rock.
Much later, glacial melt-waters would rush through the present park, cutting deep ravines in the resistant sandstone.
www.placesohio.com /forestedhillcountry.html   (369 words)

  
 [No title]
The soil here is underlain by sands, silts and gravels dumped when the glaciers retreated about 10,000 years ago.
Surfaces show braided channels (visible from air photography,) due to the run-off of glacial melt-waters.
That by quarrying beneath the water table, one is re-creating a longed-for landscape of massive water-filled holes.
www.friendsofthornborough.org.uk /misc/comments_swale_ure_proj.html   (1065 words)

  
 Ohio River Islands National Wildlife Refuge - Interpretation   (Site not responding. Last check: 2007-10-24)
Glacial melt-waters carried sand and gravel far from their places of origin, forming the core of today's islands.
Although Native Americans lived along the Ohio River for thousands of years, major changes to the river and its islands did not occur until the arrival of European settlers 200 years ago.
The river's improved water quality in recent decades attracted wildlife as well as people.
www.fws.gov /refuges/profiles/History.cfm?ID=51660   (247 words)

  
 Interests
Kettle-shaped depressions in the landscape formed by the melting large blocks if ice that were buried in glacial drift.
Cone-shaped hills formed as water fell through vertical shafts in the ice, carrying with it debris and depositing it beneath the ice.
A rather flat expanse of sand and gravel that was deposited by glacial melt waters beyond the ice margin.
www.kmoraine.com /interest.htm   (1802 words)

  
 The Madawaska River
When the last ice age melted back some 11,000 years ago, it left a jumbled drainage pattern of lakes, rivers, and streams that carried away the glacial melt waters.
For the people living along the shorelines of the lakes and river it is so much a part of their lives that each holds a treasure of stories that seem to have risen from the waters.
Around supper tables and woodstoves, from the front seat of the car, or while dozing on the bedtime pillow, the stories and memories are passed to the next generation.
www3.sympatico.ca /jfmadigan/Storjour/madarvr.htm   (2209 words)

  
 Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations   (Site not responding. Last check: 2007-10-24)
Energy Citations Database (ECD) Document #7135399 - Some observations on the hydrochemistry and sedimentation of the Chamberlin Glacier area, Alaska
Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
Some observations on the hydrochemistry and sedimentation of the Chamberlin Glacier area, Alaska
www.osti.gov /energycitations/product.biblio.jsp?osti_id=7135399   (118 words)

  
 limnopractice3key
The river water flowing into Mjosa from natural areas (like glaciers) was probably richer / poorer / about the same in dissolved nutrients as was the lake itself in 1976.
The mountains around the lake contain many glaciers, and the inflow of glacial melt waters replaces 1/6th of the volume of the lake each year.
(c) The river water flowing into Mjosa from natural areas (like glaciers) was probably richer / poorer / about the same in dissolved nutrients as was the lake itself in 1976.
www.esf.edu /efb/schulz/Limnology/Limno2005finalpracticeanswers.html   (901 words)

  
 Buckeye Lake, Fairfield County Ohio
The area was formed by glacial melt waters which rendered it swampland.
It glacial lake perimeters were larger than the present man-made lake.
In the early 1800's, the swampy area was developed as a feeder reservoir for the Ohio-Erie Canal system that passed through Ohio.
www.visitfairfieldcountyoh.org /canalsb.php?place=6   (173 words)

  
 Wisconsin: Life's So Good.
Wisconsin’s oldest state park, Interstate is home to dramatic gorges bordered by 200-foot basalt cliffs, formations created by glacial melt waters 10,000 years ago.
The 5,270-acre park is located in Wisconsin’s “driftless” area, a region untouched by the last glacier.
The 1,000-mile Ice Age Trail winds its way from Potawatomi State Park in Door County to Interstate State Park, tracing the farthest advance of the last glacier to cover Wisconsin.
www.travelwisconsin.com /activity/weeklyfeature_040927.htm   (285 words)

  
 ENVIRONMENT
After receiving the water of the Punjab rivers the Indus becomes much wider and flow at a slow speed, depositing large quantities of silt along its course.
Irrigation from the Indus waters has provided the basis for successful agriculture in the semi-arid plains of Pakistan since early times.
One of the great modern canal irrigation system in the world was created by the British administration after 1850.
www.pakistaneconomist.com /issue2002/issue43/etc5.htm   (761 words)

  
 Flannery Clan / Clann Fhlannabhra
The possibility of a human presence in Ireland during the latter stages of the Pleistocene and in the Late Glacial cannot be dismissed as there would have been ice-free areas in the south of the country potentially suitable for settlement.
The lack of hard evidence today may be attributed to the rising sea level from glacial melt-waters, which subsequently flooded these areas to produce the modern coastline.
Ireland was cut off from Britain by the rising sea level (Britain was later cut off from mainland Europe).
homepage.eircom.net /~oflannery/chronology.htm   (2973 words)

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