How to use glacial in a sentence

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Sentence Examples The Copper River alluvial fan is an outwash plain, that is, formed from sediments deposited by glacial meltwater. These well drained, moderately to rapidly permeable soils were formed in glacial outwash. Much of their ground stone came from either glacial drift or outcrops of Dakota sandstone, both sources occurring to the east of the site. Then about 150 years ago the glacial dam burst, loosing a 100-foot, landscape-scouring wave that wiped out entire villages. Because early geologists did not find recent glacial drift in the region, it became known as the Driftless Area. At low tide it's empty, a desolate moonscape of gray glacial silt dotted by glistening tide pools. However, the significance of glacial processes as agents of erosion has been disputed by Boardman. Bogs and glacial recessional lake deposits frequently contain compressible deposits of peat and organic-rich silt. A hefty Pallas's gull, may cast a glacial eye at them, winging slowly past, its intentions piratical. Later he became strongly opposed to the theory that proglacial lakes were formed by the agency of huge glacial dams. The glacier scoured away all the rock above the Portland brownstone leaving a mantle of glacial till. Her looks are an imperishable benchmark of beauty, her glacial reserve is viewed as a sophisticated enticement. The rata trees bloomed scarlet and the rivers glowed turquoise, infused with glacial silt. Swim, raft, or trek along the rivers, which emerge from the glacial highlands of the Andes and vary from black to white, cloudy, ruddy, or salty. Late Tertiary and Quaternary glacial, alluvial and lacustrine sediments are widespread adjacent to the mountains and in intermontane basins. This is a modified mixture of Carnoy's fluid containing absolute alcohol, chloroform, and glacial acetic acid. Hiking to glacial lakes and waterfalls in the high alpine terrain, we'll access vistas where Napi looks over his people. Latvia's undulating landscape is dominated by morainic hills and meltwater deposits dating back to the latest glacial epoch. Although ice masses in those areas make up only 30 percent of the world's glaciers, they contribute 70 percent of the total glacial meltwater. A classic glacial relic, the tarn lies in a trough that was cut by ice moving across from Great to Little Langdale. Show More Sentences The leaders of the tribe began the assiduous task of sending the entire clan under miles of glacial ice, silently hoping to avoid catastrophe. Other students recall that it was when she improved physically that she perfected a glacial superiority that intimidated some of them. Ferox are exclusively a fish of the central European glacial lakes, the Scottish lochs and the Irish loughs. The river draining the proglacial lake carries a much lower amount of sediment than the iceberg and glacial meltwater plumes. It can readily be modelled as a body of low density representing a valley fill of glacial drift. The vivianite occurs in dark brown and dark gray beds of glacial silt and clay. The rolling outwash plain here was formed by meltwater from glacial ice fields to the north. These may be of fluviatile, glacial, periglacial, lacustrine, aeolian, or marine origin. According to their calculations, neither global sea level rise nor faster melting of glacial ice could have produced such a sharp change. The rugged driftless area got its name because of early geologists' inability to find evidence of glacial drift. Previous data have shown that, in the ice age, glacial ice built to quite high elevations in the mountains just inland from the Ross Ice Shelf. In North America, mountain cranberry is restricted to areas north of the glacial boundary. The rise of sea levels with the release of glacial waters at the end of the last ice age flooded the plain between what is now the UK and Europe. It is the first time Hitchcock would ritually humiliate a glacial blonde onscreen. In the absence of other sources of building stone, glacial erratics have been extensively used in Finland and northern Poland. I stayed off the glacier, stumbling down the left moraine, often catching myself with my arms just before slamming into glacial erratics. While he has shown a rhetorical commitment to reform, progress on the ground has been glacial. The host plant is an early successional, evergreen, nitrogen-fixing subshrub that grows on glacial moraine and river bars. Amanda could, for example, be installed at any Antarctic site where the glacial ice is thick and free of dust. Melting ice gave way to continual rocks falling down scree slopes and into glacial streams and underground ice caves. Show More Sentences In brief periods of relative warmth, glacial meltwater accumulated behind this ice to form small, temporary lakes. Formed by accumulated meltwater, the overfilled lakes could suddenly discharge massive volumes of water, known as glacial lake outburst flooding. It has a rich and varied flora due to a combination of limestone ledges and limey soils, and separate areas of non-limy glacial deposits. Furthermore, it is not always clear whether fossils from a given locality are from in situ rocks or from spoil or clasts in glacial drift. The often glacial pace of change can prove particularly frustrating to former clerks who return as justices. He warned that not all poorly sorted rocks were true glacial tillites and thus were unreliable indicators of past climate and continental positioning. Folks are taking cold showers already, and the weather soon will be glacial. A total of 313 species in 85 families and 204 genera were collected at the 30-hectare preserve which occurs on a glacial kame and has a rugged ridge and ravine topography. But there is no mention of such a phenomenon in the EIA reports of the projects on the Teesta, which is sustained by glacial melt, snowmelt run-off and monsoon rainfall. In Scladina cave, oscillations between glacial and more temperate episodes have been demonstrated by microfaunal, palinological, and isotopic data. My partner Brandon and I awake at the crack of dawn for a canoe ride on the milky blue glacial waters of Lake Louise. The rocks are glacial lake beds of dark gray silt, clay, and peat. This book shows the dynamic effects of the many periods of Pleistocene glacial advance and melting on the geology and topography of the northwestern United States. Most of today's estuaries formed because the sea level has slowly risen during the last 18,000 years, drowning river valleys and filling in glacial troughs. Arctic char a close relative of the trout is often found in the cold, clear waters of glacial lakes where it is referred to as blueback, Sunapee, or Quebec red trout. Many thousands of years ago, glacial floods swept through the area and carved out the sloping sides of the current grounds. For a church that moves at a glacial pace, the murmurings of Bishops like Tobin are lightning fast and boldly subversive. When the glacial ice on Mt. St. Helens rushed down the sides of the mountain and created mudflows, potential energy in the ice became active and major changes took place. After passing the Dollar Lakes, I hear the gurgle of a stream and then see Lamoille Lake, a shallow mountain tarn in a glacial bowl, with steep talus slopes cradling it. Weaving through glacial debris, he ascended a thousand feet into the snowline, followed by two Hunzas. Show More Sentences After the retreat of the ice sheets since the last glacial maximum, northern Europe was subsequently reinvaded from several refuges in southern Europe. Nevertheless the climatic regime of the palaeosols was fundamentally frigid and these palaeosols formed on glacial terraces beside large permanent glaciers. In the Northern Hemisphere, because of the thickness of glacial ice and the way it calves, most icebergs are of the more dramatically shaped kinds. Huge glacial erratics, boulders unlike most of the other rocks in their surroundings, stand in mute testimony to their cross-country transport by advancing ice. Mainland Australia currently contains no glaciers, although a small glacier on Mount Kosciuszko was present in the last glacial period. Within glacial valleys, depressions created by plucking and abrasion can be filled by lakes, called paternoster lakes. When the glacial ice occupies a valley, it can form terraces or kames along the sides of the valley. This independent evidence from DNA analysis and the fossil record rejects the glacial theory of salmon divergence. It is one of the rarest fish species in Britain, found mainly in deep, cold, glacial lakes, and is at risk from acidification. Retreating glacial sheet ice also deposited quantities of sand and marl across the area where boulder clay was absent. At their mouths there are typically rocks, bars or sills of glacial deposits, which have the effects of modifying the estuarine circulation. The estuary is shallowest at its mouth, where terminal glacial moraines or rock bars form sills that restrict water flow. The Loch Ryan basin as it is seen today formed as a result of geological and glacial activity. The only other glacial fjords in Ireland are Lough Swilly and Killary Harbour. In places covered by ice sheets during Ice Ages, such as Scandinavia, northern North America, and Siberia, glacial erratics are common. This explains the rapid appearance of migratory behavior after the most recent glacial maximum. The lakes are small but numerous, located mainly in mountain valleys or glacial corries. Much of the shelves were exposed during glacial periods and interglacial periods. Humans were then confronted by a harsh and variable climate, marked by several glacial eras. Gaupnefjorden branch of Sognefjorden is strongly affected by freshwater as glacial river flow in. Show More Sentences At differing times during the last glacial period it was either joined to the mainland or an island. Moraine may also form by the accumulation of sand and gravel deposits from glacial streams emanating from the ice margin. Supraglacial moraines are created by debris accumulated on top of glacial ice. These faults may be seen as radiating branches of the Walls Fault, and were exacerbated by glacial activity. In addition, during glacial periods, the hydrography is such that a possible cause of reduced circulation is the production of stratified oceans. These cycles within cycles predict that during maximum glacial advances, winter and summer temperatures are lower. Astronomical cycles correlate perfectly with glacial and interglacial periods, and their transitions, inside an ice age. Once that occurs, Milankovitch cycles could act to force the planet in and out of glacial periods. In addition, the vast bodies of glacial ice affected Earth well beyond the glacier margins. Winds near the glacial margins were strong and persistent because of the abundance of dense, cold air coming off the glacier fields. There are, however, widespread glacial deposits, recording several major periods of ancient glaciation in various parts of the geologic record. Deposits of even older glacial sediment exist on every continent except South America. Technically, because Earth is already in an ice age at present, albeit an interglacial period, this usually refers to the next glacial period. These mammals became extinct when the glacial period Age ended about 11,700 years ago. The latest work indicates that deposits of three glacial episodes since 150,000 to 200,000 years ago are preserved on the volcano. If glacial deposits were formed on Mauna Loa, they have long since been buried by younger lava flows. In the glacial era, the Ythan River at this point would have been a torrent of melt waters streaming down from the Scottish Highlands. During the most recent glacial period, lowering of sea levels joined the British Isles once more to the continental mainland of Europe. A glacial lake outburst flood is a type of outburst flood occurring when water dammed by a glacier or a moraine is released. Catastrophic failure of the containing ice or glacial sediment can release this water over periods of minutes to days. Show More Sentences During the late Quaternary, ancient Lake Atna in the Copper River Basin may have generated a number of glacial outburst floods. This river seasonally drained glacial meltwater into what is now the Upper Mississippi River. Of the 2674 glacial lakes in Bhutan, 24 have been identified by a recent study as candidates for GLOFs in the near future. Lake Bonneville was not a glacial lake, but glacial age climate change determined the lake level and its overflow. Interglacials, on the other hand, are periods of warmer climate between glacial periods. The eastern part of the state consists of the flat Red River Valley, the bottom of glacial Lake Agassiz. To the west the Avon cuts through the limestone to form the Avon Gorge, aided by glacial meltwater after the last ice age. During the last glacial period, much of northern Europe, Asia, North America, Greenland and Antarctica was covered by ice sheets. The ice was as thick as three kilometres during the last glacial maximum about 20,000 years ago. Studies of glacial rebound give us information about the flow law of mantle rocks and also past ice sheet history. The ice sheets at the last glacial maximum were so massive that global sea level fell by about 120 metres. The fall in sea level also affects the circulation of ocean currents and thus has important impact on climate during the glacial maximum. Glacial loads provided more than 30 MPa of vertical stress in northern Canada and more than 20 MPa in northern Europe during glacial maximum. However, glacial isostatic adjustment of the ice sheets affect ground deformation and the gravity field today. Thus understanding glacial isostatic adjustment is important in monitoring recent global warming. Widespread habitation of the Americas occurred during the late glacial maximum, from 16,000 to 13,000 years ago. The deep continental shelf has a floor of glacial deposits varying widely over short distances. Concerns have been raised that disruption of ice shelves may result in increased glacial outflow from the continental ice mass. This area is dominated by small accumulations of snowfall which becomes ice and thus eventually seaward glacial flows. He determined that such plants were not meant to adapt to a glacial climate. Show More Sentences Alaska was a glacial refugium because it had low snowfall, allowing a small population to exist. In addition, the shelf break seems to mark the maximum Neogene lowstand, defined by the glacial maxima. The Grand Banks were extensively glaciated during the last glacial maximum. There is much controversy about glacial and interglacial climates in South America. Research shows that vegetation in most of the Amazon basin has changed a very small amount since glacial times. It is also believed that the area was more of a savannah during glacial times, but it is believed that the area is quite the same. A brief complete reversal, known as the Laschamp event, occurred only 41,000 years ago during the last glacial period. Much of the evidence for the first group's expansion would have been destroyed by the rising sea levels at the end of each glacial maximum. The diamictite sediments that were laid down by these glaciers, or in glacial lakes, are known as the Pakhuis and Cederberg Formations. In several locations the quartzites below the glacial horizon have been rucked into a series of folds. The Witteberg Group is truncated by the overlying Dwyka sediments of glacial origin. More recent ice core samples of today's glacial ice substantiated the cycles through studies of ancient pollen deposition. The retreat was accelerated as sea levels rose and floated glacial termini. Littoral marine organisms colonized shorelines as ocean water replaced glacial meltwater. In contrast, a climate reconstruction based on glacial length shows no great variation from 1600 to 1850 but strong retreat thereafter. Many deposits on this plain result from ice dams which produced a large glacial lake. When fine sediments are delivered into the calm waters of these glacial lake basins away from the shoreline, they settle to the lake bed. These long glacial periods were separated by more temperate and shorter interglacials. Brief periods of milder climate that occurred during the last glacial are called interstadials. Northern Eurasia was resettled as the glaciers of the last glacial maximum retreated. Show More Sentences Norway and Greenland have unbroken traditions of hunting wild reindeer from the last glacial period until the present day. These consisting of glacial periods where conditions are colder than normal, separated by interglacial periods. People lived on the edge of the desert thousands of years ago since the end of the last glacial period. They argue that Younger Dryas events might be an intrinsic feature of deglaciations that occur at the end of glacial periods. The climate of the Vistula valley, its plants, animals and its very character changed considerably during the process of glacial retreat. The numerous lakes of Lombardy, all of glacial origin, lie in the northern highlands. The two landmasses became separated when the area now known as the Torres Strait flooded after the end of the last glacial period. During the last glacial period, lower sea levels and a drier climate revealed a much wider peninsula, largely savanna. Treasured landmarks such as Huaytapallana Nevada, when compared to 30 years ago, has much less glacial ice during the peak dry season. Much of Maine's geomorphology was created by extended glacial activity at the end of the last ice age. Prominent glacial features include Somes Sound and Bubble Rock, both part of Acadia National Park on Mount Desert Island. Bubble Rock, a glacial erratic, is a large boulder perched on the edge of Bubble Mountain in Acadia National Park. Below the equilibrium line, glacial meltwater is concentrated in stream channels. We could cryosequester the carbon in our garbage by throwing it in a glacial crevasse. Similar to the Weichselian glacial setting, the glacial deposits in the Saalian successions were also strongly affected by glaciotectonics. The coastlines along the southernmost part are covered with the remains of deposited glacial sediment. At the end of the last glacial period, rising sea levels finally severed the last land connection. Several Pleistocene glacial episodes scooped out the river bed into the sea basin. During the last glacial period, and up until about 9000 years ago, most of Ireland was covered with ice, most of the time. The bulk of the land on Cape Cod consists of glacial landforms, formed by terminal moraine and outwash plains. Show More Sentences During this last glacial period, there were several changes between glacier advance and retreat. The Last Glacial Maximum, the maximum extent of glaciation within the last glacial period, was approximately 22,000 years ago. Around 11,700 years ago marked the beginning of the Holocene geological epoch, which includes the Holocene glacial retreat. Thus, the end of the last glacial period is not the end of the last ice age. The end of the last glacial period was about 11,700 years ago, while the end of the last ice age has not yet come. An ice sheet formed in New Zealand, covering all of the Southern Alps, where at least three glacial advances can be distinguished. Small glaciers developed in a few favorable places in Southern Africa during the last glacial period. During the last glacial period Antarctica was blanketed by a massive ice sheet, much as it is today. The Great Lakes are the result of glacial scour and pooling of meltwater at the rim of the receding ice. These glacial maxima are called, from oldest to youngest, Tahoe, Tenaya, and Tioga. After this early maximum, the ice coverage was similar to today until the end of the last glacial period. The lower moraine level probably corresponds to the main Wisconsin glacial advance. On the lake's western shores there are large moraine systems of which the innermost belong to the last glacial period. Around 70,000 BP, during the Middle Paleolithic period, the last glacial event began and the Neanderthal Mousterian culture was established. Many of the Sierra Nevada fans have associated perennial streams fed by rainfall, snowmelt or glacial icemelt in the catchments. There are many lakes and moraines, legacies of the last glacial period, which ended about ten millennia ago. Further west is Hillsdale mound, a large glacial interlobate area composed of outwash material. It is a ribbon lake formed in a glacial trough after the retreat of ice at the start of the current interglacial period. It was first formed by a glacial overflow from the long drained away Lake Lapworth, at the end of the last ice age. The central lowlands are extensively covered with glacial deposits of clay and sand, as well as significant areas of bogland and several lakes. Show More Sentences Other prominent landforms such as Calton Hill and Corstorphine Hill are also products of glacial erosion. Geologically, the Firth of Forth is a fjord, formed by the Forth Glacier in the last glacial period. Ireland's geologic history covers everything from volcanism and tropical seas to the last glacial period. Cape Breton Island is composed mainly of rocky shores, rolling farmland, glacial valleys, barren headlands, mountains, woods and plateaus. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. Pleistocene climate was marked by repeated glacial cycles in which continental glaciers pushed to the 40th parallel in some places. Over 11 major glacial events have been identified, as well as many minor glacial events. Investigators often interchange the names if the glacial geology of a region is in the process of being defined. However, it is generally incorrect to apply the name of a glacial in one region to another. Formerly a pluvial was thought to correspond to a glacial in regions not iced, and in some cases it does. A more recent version of the sampling process makes use of modern glacial ice cores. For the most recent glacial periods ice cores provide climate proxies from their ice, and atmospheric samples from included bubbles of air. These also confirm the linkage between ice ages and continental crust phenomena such as glacial moraines, drumlins, and glacial erratics. Formation of this region is attributed to diverse sedimentary, glacial and tectonic activity. It is named after the glacial tills found in the Karoo region of South Africa, where evidence for this ice age was first clearly identified. The earth is currently in an interglacial, and the last glacial period ended about 10,000 years ago. The colder periods are called glacial periods, the warmer periods interglacials, such as the Eemian Stage. Since the earth has significant continental glaciation in the Arctic and Antarctic, we are currently in a glacial minimum of a glaciation. Another factor is the increased aridity occurring with glacial maxima, which reduces the precipitation available to maintain glaciation. The glacial retreat induced by this or any other process can be amplified by similar inverse positive feedbacks as for glacial advances. Show More Sentences Analyses suggest that ocean current fluctuations can adequately account for recent glacial oscillations. There is strong evidence that the Milankovitch cycles affect the occurrence of glacial and interglacial periods within an ice age. The major glacial stages of the current ice age in North America are the Illinoian, Eemian and Wisconsin glaciation. Most of the lakes in Minnesota and Wisconsin were gouged out by glaciers and later filled with glacial meltwaters. Although the last glacial period ended more than 8,000 years ago, its effects can still be felt today. The Cairngorms consist of a large elevated plateau adorned with low, rounded glacial mountains. Many valleys are littered with glacial deposits from the period of glacial retreat. The land surrounding Stirling has been most affected by glacial erosion and deposition. After the last glacial period, the warmer climate allowed the area to become heavily wooded. It became extinct about the same time as the rest of the glacial age megafauna. The processes and features caused by or related to glaciers are referred to as glacial. A large body of glacial ice astride a mountain, mountain range, or volcano is termed an ice cap or ice field. Over a period of years, layers of firn undergo further compaction and become glacial ice. In glaciated areas where the glacier moves faster than one km per year, glacial earthquakes occur. The number of glacial earthquakes in Greenland peaks every year in July, August and September and is increasing over time. This increase in the numbers of glacial earthquakes in Greenland may be a response to global warming. The island was adjoined to the mainland of Australia until the end of the last glacial period about 10,000 years ago. Lake Wakatipu fills a large glacial valley, as do lakes Hakapoua, Poteriteri, Monowai and Hauroko in the far south of Fiordland. A number of lakes in the Fiordland and Otago regions also fill glacial valleys. Much of the higher country in the South Island was covered by ice during the glacial periods of the last two million years. Show More Sentences The level of most glacial lakes in the upper parts of the Waitaki and Clutha rivers are controlled for electricity generation. The surface of the peninsula is generally level, broken by conical hills and glacial moraines usually not more than a few hundred feet tall. The Alpine zone, extending from tree line to snow line, is followed by the glacial zone, which covers the glaciated areas of the mountain. Barrow's soils are composed of glacial lake clay and glacial till, while Walney is almost entirely made up of reworked glacial morraine. Eskdale is a glacial valley and civil parish in the western Lake District National Park in Cumbria, England. From about 2 million years ago glacial erosion then greatly modified the landscape. The concave shape of a glacial cirque is open on the downhill side, while the cupped section is generally steep. The process of nivation follows, whereby a hollow in a slope may be enlarged by ice segregation weathering and glacial erosion. Eventually, this hollow may become large enough that glacial erosion intensifies. Although the lake is natural, in 1902 a shallow weir was added to what is probably a glacial moraine to maintain the level. The bowl of Dove Crags is one of the largest glacial combs or cirques in the Lake District, yet has no tarn, but dry hollows noted as curious by. The low rolling hills of Low Furness are formed of glacial deposits, mainly boulder clay, above Triassic sandstone and Carboniferous limestone. However, pillow lava can also form when lava is erupted beneath thick glacial ice. The geology of the area is layers of gritstone, coal and glacial deposits of sand and gravel. Much of the lower slopes are mantled by thick deposits of glacial till or boulder clay dating from the last Ice Age. To the north of these ridges are deposits of clay, sand and gravel left by a glacial lake. The main glacial front was at Escrick where the Escrick moraine marks its furthest extension. The surface deposits comprise thick peat in the upper reaches, with glacial boulder clay and glacial sand and gravel in the lower parts. This can be established by the types of glacial deposits in the vicinity of Durham City. Like similar rivers in the region, the river carves through several types of rock and has features typical of both river and glacial erosion. Show More Sentences These are long, narrow inlets with steep sides or cliffs, created in a valley carved by glacial activity. The glacial drip was already in evidence, and every creek in roaring spate. Which, then, of these glacial substages provided the proper conditions and saw the first population of man in America? Against the glacial backdrop he looked like a lost minstrel who'd taken a wrong turn at Albuquerque. Research at and near McMurdo includes aeronomy and astrophysics, glaciology and glacial ecology, and ocean and climate systems. So a series of canals were built to funnel the water to glacial kettle holes that were used for a mill complex. Sale provides an overview of the Arctic's seismic and volcanic activity, rock types, snow, ice flows, icebergs, and glacial landforms. The explosive nature of the eruption on April 14 last year was caused by glacial meltwater coming into contact with hot volcanic magma. Cameras reveal the secret lives of pumas and hummingbirds, soar with condors over glacial peaks and explore monkey puzzle forests. Complete the experience with a quiet low-tide walk around the fossil bluff that has an ancient glacial deposit, Wynyard Tillite, next to it. The Fms are unusual in that many of them are periglacial sandstones often sealed by glacial tillites. Tropical rainforests in Southeast Asia have been affected by climatic fluctuations during past glacial eras. To the relatively smooth earlier glacial deposits, it simply added a veneer of till one to 90 ft thick. Some problems concerning stratigraphic subdivision of Estonian late glacial sediments on the basis of palynologic data. To a solution of the compound 3, in of glacial acetic acid at the boiling point, four drops of hydrobromic acid were added. Five drops of glacial acetic acid were added and the mixture was refluxed for three hours. Acetic acid is also known as glacial acetic acid or ethanoic acid, and is a colorless liquid with a strong pungent odor. Last Glacial Maximum refugia were places where humans survived during the last glacial period in the northern hemisphere, around 25,000 to 20,000 years ago. Geologists in the past speculated that the melting of such ice at the end of the glacial epoch could have stimulated volcanic eruptions by unweighting the crust. Examples can be seen in the flood regions result from glacial Lake Missoula, which created the channeled scablands in the Columbia Basin region of eastern Washington. Show More Sentences Equimolar quantities of benzil and substituted aromatic aldehyde, ammonium acetate were dissolved in glacial acetic acid and refluxed for 3-5 hours. Ongoing research is showing that while glaciers tend to decrease mountain size, in some areas, glaciers can actually reduce the rate of erosion, acting as a glacial armour. The Pleistocene climate was characterized by repeated glacial cycles during which continental glaciers pushed to the 40th parallel in some places. The climate during the Paleolithic consisted of a set of glacial and interglacial periods in which the climate periodically fluctuated between warm and cool temperatures. By 6,000 years ago, the sea level was high enough to start eroding the glacial deposits that the vanished continental ice sheet had left on Cape Cod. The growth types termed diagenetic and hydrogenetic reflect suboxic and oxic growth, which in turn could relate to periods of interglacial and glacial climate. One of the biggest problems since the end of the last glacial period, and this has submerged the ancient coastlines that maritime people would have followed into the Americas. The Cordilleran ice sheet produced features such as glacial Lake Missoula, which would break free from its ice dam causing the massive Missoula floods. New research has shown that in Siberia mammoths lived together with human beings for around 30,000 years, yet they became extinct only when the last glacial age ended. During the last glacial period, enough of the earth's water became frozen in the great ice sheets covering North America and Europe to cause a drop in sea levels. It created much of the surface geology of southern Canada and the northern United States, leaving behind glacially scoured valleys, moraines, eskers and glacial till. Paleoindians invaded and occupied the New World, the last glacial period came to an end, and a large fraction of the megafauna of both North and South America went extinct. Since the end of the last glacial period, Canada has consisted of eight distinct forest regions, including extensive boreal forest on the Canadian Shield. At high latitudes and during glaciations, the nearshore morphology of passive margins may reflect glacial processes, such as the fjords of Norway and Greenland. Unit US is a combination of flood deposits and glacial outwash. In the aftermath of the last glacial period, water levels in the Black Sea and the Aegean Sea rose independently until they were high enough to exchange water. The latter clade has been separated from all other red fox populations since the last glacial maximum, and may possess unique ecological or physiological adaptations. The Mediterranean did not dry out during the most recent glacial maximum. It appears, however, to have been partly derived from older Eocene deposits and it occurs also as a derivative phase in later formations, such as glacial drift. One conclusion is that the slide was caused by material built up during the previous glacial period and that a recurrence would be possible only after a new ice age. Show More Sentences In the 1970s a few paleoclimatologists were concerned with the possibility of global cooling, and suggested that the next glacial period could be rapidly approaching. Exposures of ancient glacial deposits are numerous in these areas. The most obvious effects are the spectacular mountain scenery and other continental landscapes fashioned both by glacial erosion and deposition instead of running water. The current interglacial began between 10,000 and 15,000 years ago, which caused the ice sheets from the last glacial period to begin to disappear. Over the past 740,000 years there have been eight glacial cycles. As an example, palynological studies have been used to track changing vegetation patterns throughout the Quaternary glaciations and especially since the last glacial maximum. This dramatic glacial valley, carved out of red sandstone,cuts between the MacGillycuddy's Reeks mountains and Purple and Tomies mountains,and the views are simply awesome. This dramatic glacial valley, carved out of red sandstone, cuts between the MacGillycuddy's Reeks mountains and Purple and Tomies mountains, and the views are awesome. The remains of these plants have been preserved in layers of ancient peat, which were in turn buried by the boulder clay left by glacial moraines. The till is carried along the glacial margin until the glacier melts. Since then, during glacial times, the river mouth was located offshore of Brest, France and rivers, like the River Thames and the Seine, became tributaries to the Rhine. Tresholds at the mouths and overdeepening of fjords compared to the ocean are the strongest evidence of glacial origin, and this tresholds are mostly rocky. Compared to other regions that were under large ice sheets during the last glacial period Novaya Zemlya shows relatively little isostatic rebound. Walney Island formed during the last glacial period, when the River Duddon was a large glacial lake, depositing till at its mouth, which became Walney. The glaciations that occurred during this glacial period covered many areas, mainly in the Northern Hemisphere and to a lesser extent in the Southern Hemisphere. Research is conducted by the Centre for Glaciology, which has strong international links, includes the study and mapping of glacial landforms on Mars. The landscape of the Rhondda was formed by glacial action during the last ice age, as slow moving glaciers gouged out the deep valleys that exist today. Other animal remains excavated during the 19th century, which may predate the Late glacial finds, include mammoth, woolly rhinoceros, red deer and giant deer. The polar ice caps of Mars show geologic evidence of glacial deposits. If a glacial valley runs into a large body of water, it forms a fjord. Find more words! 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What is the opposite of glacial? Words that rhyme with glacial What is the plural of glacial? What is the adverb for glacial? What is the adjective for glacial? What is the noun for glacial? Translations for glacial Use our Sentence Generator Nearby Words Glace glabrous glabra glabella gla GL Glacial glacially glacials glacial till glaciated glaciation 7-letter Words Starting With g gl gla glac glaci glacia