The entire area is a low plain. The Cypress Hills have been known by a wide number of Indigenous and European names throughout their history. Notable lacustrine landforms include playa Depending on the prevailing environment, the plan may become fertile farmland, a wetland, or a desert. In a few places, rock ridges occur. Comprising extensive swamps and marshes, with some higher, drier ground interspersed, it occupied what was In geomorphology, an outburst flooda type of megafloodis a high-magnitude, low-frequency catastrophic flood involving the sudden release of a large quantity of water. 1. The Oak Ridges Moraine is an ecologically important geological landform in the Mixedwood Plains of south-central Ontario, Canada.The moraine covers a geographic area of 1,900 square kilometres (730 sq mi) between Caledon and Rice Lake, near Peterborough.One of the most significant landforms in southern Ontario, the moraine gets its name from the rolling hills and river valleys On lakes. The Prairie Pothole Region extends from northern Alberta, Canada to Iowa, United States and includes thousands of small sloughs and Talkin Tarn, Urswick Tarn, Malham Tarn). Interstate Park comprises two adjacent state parks on the MinnesotaWisconsin border, both named Interstate State Park.They straddle the Dalles of the St. Croix River, a deep basalt gorge with glacial potholes and other rock formations. The Wisconsin Glacial Episode, also called the Wisconsin glaciation, was the most recent glacial period of the North American ice sheet complex. Torres del Paine National Park (Spanish: Parque Nacional Torres del Paine) is a national park encompassing mountains, glaciers, lakes, and rivers in southern Chilean Patagonia.The Cordillera del Paine is the centerpiece of the park. The basal zone is the area where erosion and plucking of underlying bed happens. For example, many native species of the great lakes basin entered via the Mississippi basin refugia within the past 14,000 years. Lake Agassiz was a large glacial lake in central North America.Fed by glacial meltwater at the end of the last glacial period, its area was larger than all of the modern Great Lakes combined.. First postulated in 1823 by William H. Keating, it was named by Warren Upham in 1879 after Louis Agassiz, when Upham recognized that the lake was formed by glacial action. The periglacial environment is the wider area and overlapping the proglacial environment. Proglacial environment is influenced by melting ice but not with direct contact with ice, this environment includes glaciofluvial, glaciolacustrine, and glaciomarine settings. The Shield was originally an area of very large, very tall mountains The Dwyka Group is one of four geological groups that compose the Karoo Supergroup.It is the lowermost geological group and heralds the commencement of sedimentation of the Karoo Supergroup.Based on stratigraphic position, lithostratigraphic correlation and palynological analyses, these lowermost Karoo strata range between the Late Carboniferous (Pennsylvanian) Geology. The Wisconsin park is 1,330 acres (538 ha) and the Minnesota park is 298 acres (121 ha). Etymology. It has many kettle lakes, some of which are 100 to 200 feet (61 m) deep. Examples. The multitude of rivers and lakes in the region is classical example of a deranged drainage system, caused by the watersheds of the area being disturbed by glaciation and the effect of post-glacial rebound. Enter Search Criteria. The Great Black Swamp (also known simply as the Black Swamp) was a glacially fed wetland in northwest Ohio, sections of lower Michigan, and extreme northeast Indiana, United States, that existed from the end of the Wisconsin glaciation until the late 19th century. Geography. Local relief rarely exceeds 75 ft. Yoldia Sea is a name given by geologists to a variable brackish water stage in the Baltic Sea basin that prevailed after the Baltic Ice Lake was drained to sea level during the Weichselian glaciation.Dates for the Yoldia sea are obtained mainly by radiocarbon dating material from ancient sediments and shore lines and from clay-varve chronology.They tend to vary by as much as a Learn about the causes and effects of global warming. Lake Bonneville was the largest Late Pleistocene paleolake in the Great Basin of western North America. The lake covered much of what is now western Utah and at its highest level extended into present-day Idaho and Nevada. It is the longest river in Michigan, running 252 miles (406 km) from its headwaters in Hillsdale County on the southern border north to Lansing and west to its mouth on the Lake at Grand Haven. Numerous drumlins or drumlin-like hills furnish much of the local relief . Global Warming Research. Consider possible global warming solutions. The lake measured about 7,770 square kilometres (3,000 sq mi) and contained about 2,100 cubic kilometres (500 cu mi) of water, half the volume of Lake Michigan.. The Last Glacial Maximum (LGM), also referred to as the Late Glacial Maximum, was the most recent time during the Last Glacial Period that ice sheets were at their greatest extent. The Kettle Moraine, a region of Wisconsin covering an area from Green Bay to south-central Wisconsin, has numerous kettles, moraines and other glacial features. The Hellas quadrangle contains part of the Hellas Basin, the largest known impact crater on the surface of Mars and the second largest in the Solar System.The depth of the crater is 7152 m (23,000 ft) below the standard topographic datum of Mars. The Wisconsin River is a tributary of the Mississippi River in the U.S. state of Wisconsin.At approximately 430 miles (692 km) long, it is the state's longest river. During the last deglaciation, numerous glacial lake outburst floods were caused by the collapse of either ice sheets or glaciers that formed the dams of proglacial lakes.Examples of older outburst floods are This is a list of lakes in New Zealand. The word is derived from the Old Norse word tjrn ("a small mountain lake without tributaries") meaning pond. Much of the area near the St. Lawrence River is a flat to billowy lake plain that has been smoothed by proglacial lake or marine waters. Lake Missoula was a prehistoric proglacial lake in western Montana that existed periodically at the end of the last ice age between 15,000 and 13,000 years ago. Glacial Lake Iroquois was a prehistoric proglacial lake that existed at the end of the last ice age approximately 13,000 years ago. Research articles on global warming, ozone depletion, air and water pollution, acid rain, waste management and more. Epishelf lakes are highly stratified lakes in which a layer of freshwater, derived from ice and snow melt, is dammed behind an ice shelf that is attached to the coastline. A lake's location is identified by the region and either the territorial authority or national park (N.P.). Read the latest geographical research from universities and institutes around the world. It was a pluvial lake that formed in response to an increase in precipitation and a decrease in evaporation as a result of cooler temperatures. Hellas Basin. In parts of Northern England - predominantly Cumbria but also areas of North Lancashire and North Yorkshire - 'tarn' is widely used as the name for small lakes or ponds, regardless of their location and origin (e.g. Pluvial lakes represent changes in the hydrological cycle: wet cycles generate large lakes, and dry cycles cause the lakes to recede. It is dominated by a maritime climate with narrow temperature differences between seasons. During glacial periods, when the lake level is fairly high, mud sediments will settle out and be deposited. The lake was essentially an enlargement of the present Lake Ontario that formed because the St. Lawrence River downstream from the lake was blocked by the ice sheet near the present Thousand Islands.The level of the lake was approximately 30 m (~100 Ice sheets covered much of Northern North America, Northern Europe, and Asia and profoundly affected Earth's climate by causing drought, desertification, and a large drop in sea levels. The Glacial Lake Missoula National Natural Landmark is There are: 43 lakes with a surface area larger than 10 km (1000 ha) 231 lakes greater than 0.5 km (50 ha) 3822 lakes greater than 0.01 km (1 Scientists were gathering data from around the world to come up with global average temperatures, and they found that temperatures had been cooling since about the 1940s. Erie and Ontario Lowlands A terminal moraine creates a barrier helping to trap water in a newly-formed glacial lake.The positioning of the lake resulted from not only subsidence, but also the terminal moraine providing the foundation for the wall that holds the water in place. The 60% smaller island of Ireland is to the The towns of Taylors Falls, Minnesota and St. Croix Falls, Erratics, which take their name from the Latin word errare (to wander), are carried by glacial ice, often over distances of hundreds of kilometres.Erratics can range in size from pebbles to large boulders such as Big Rock (16,500 tonnes or 18,200 short tons) in Alberta. This advance included the Cordilleran Ice Sheet, which nucleated in the northern North American Cordillera; the Innuitian ice sheet, which extended across the Canadian Arctic Archipelago; the Greenland ice sheet; and the massive Laurentide Ice Ice that is found at sea may be in the form of drift ice floating in the water, An ice dam is a blockage from the movement of a glacier which may produce a proglacial lake. Glacial lakes include proglacial lakes, subglacial lakes, finger lakes, and epishelf lakes. Glacial lakes that have been formed for a long period of time have a more diverse ecosystem of fauna originating form neighboring tributaries or other glacial refugia. News on Environmental Issues. Traces of the Teays across northern Ohio and Indiana are represented by a network of river valleys. The Teays River / t e z / (pronounced taze) was a major preglacial river that drained much of the present Ohio River watershed, but took a more northerly downstream course. Societal perspectives Heavy ice flows in rivers can also damage vessels and require the use of an icebreaker to keep navigation possible. During glacial retreat, meltwater flows in the opposite direction of the retreat, causing braided streams and channels to form. To narrow your search area: type in an address or place name, enter coordinates or click the map to define your search area (for advanced map tools, view the help documentation), and/or choose a date range. Accumulated sediments show the variation in water level. The mass loss has been primarily driven by an increase in summer temperature and is further accelerated by proglacial lakes, which have become abundant. The Grand River (Ottawa: Owashtanong, "Far-Flowing Water") is a river in the southwestern portion of the southern peninsula of Michigan, United States, that flows into Lake Michigan's southeastern shore. A glacial erratic is glacially deposited rock differing from the type of rock native to the area in which it rests. The river's name, first recorded in 1673 by Jacques Marquette as "Meskousing", is rooted in the Algonquian languages used by the area's American Indian tribes, but its original meaning is obscure. An 1882 BlackfootEnglish dictionary written by C. M. Lanning provided the Blackfoot language name I-kim-e-kooy, which translates as "striped earth" or "earth over earth".The Cree language name, in use at the same time, is mantakw, (spelled in a variety of The Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period that began 2.58 Ma (million years ago) and is ongoing. Grand Teton National Park is an American national park in northwestern Wyoming.At approximately 310,000 acres (1,300 km 2), the park includes the major peaks of the 40-mile-long (64 km) Teton Range as well as most of the northern sections of the valley known as Jackson Hole.Grand Teton National Park is only 10 miles (16 km) south of Yellowstone National Park, to Over time, water drains or evaporates from the lake, leaving the sediment deposits behind. The basin is located in the southern highlands of Mars and is thought to have been formed about 3.9 billion years ago, It lies in a transition area between the Magellanic subpolar forests and the Patagonian Steppes.The park is located 112 km (70 mi) north of Puerto Natales Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe.With an area of 209,331 km 2 (80,823 sq mi), it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. The word comes from the Latin pluvia, which means "rain".. Geology. Enter the email address you signed up with and we'll email you a reset link. The Canadian Shield is among the oldest on Earth, with regions dating from 2.5 to 4.2 billion years. 121 ha ) and the Minnesota park is 1,330 acres ( 538 ha ) area! Playa Depending on the prevailing environment, the plan may become fertile farmland, a,. 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