how was the yukon river formedhow was the yukon river formed

During this process, water penetrates into vertical fractures and slowly dissolves the bedrock. The bird species within the basin include a mixture of game birds and waterfowl such as: There is only one species of amphibian that is able to survive within the ecosystem of the Yukon basin, the Wood frog. Right now, there are periods when its not possible to easily cross the river,when ferry is out of the water for the season, and the ice-road crossing is not yet open. A string of native villages are through here, with Ruby 50 . To re-enable the tools or to convert back to English, click "view original" on the Google Translate toolbar. Norway: Norwegian Arctic ferry lines to go electric by 2022, The Independent Barents Observer. It is the only semi-precious gemstone found in any quantity in the territory. Water Image of the Day Gold brought people to Fairbanks and Dawson; when the gold was depleted, Fairbanks continued to grow as it took on administrative and transportation functions for east-central Alaska, but the population of Dawson declined to only a tiny fraction of its size in the heyday of the gold rush. Lazulite is an azure-blue semi-precious gemstone. Your comments will be pre-moderated and published if they meet netiquette guidelines. This page was last changed on 15 February 2018, at 04:11. Snow and Ice, Image of the Day On the Tanana River, the A.R.R. As such below the key landforms along the course will be identified providing an understanding of the evolution of the river basin throughout time. Regimbal said the feedback gathered at the session is still being reviewed. This formation produces prominent bluffs along the river for the next 20 miles. The White Pass was put out of the river business altogether by competition from the North Klondike Highway (WhitehorseDawson City) and the Atlin Road, which were completed in the early 1950s. "Can We Do It?" The territorys name probably comes from the word Yu-kun-ah meaning great river. In 1846, chief trader John Bell of the Hudsons Bay Company canoed down the Porcupine River to where it meets the Yukon River. Yukon River - Kids | Britannica Kids | Homework Help Like a winter-bare tree, a network of roots, or the veins, arteries, and capillaries that enclose an organ, the Yukon River branches across the snowy Yukon Delta to the Bering Sea. [1] Gold rush [ edit] Completion of the White Pass & Yukon Railroad at Bennett Lake, Yukon river, July 6, 1899. Land AK Throughout its reign over the Yukon River and tributaries, the White Pass obtained 88 steamboats, some new, most from companies it took over. The combined delta has about 25,000 Alaska Native residents. Strid said the size of RVs isalso becoming a challenge when it comes to loading and unloading them on and offthe ferry. After gold was discovered at Rabbit Creek (later renamed Bonanza Creek) in 1896, the Klondike area became one of the most populated regions in the northwestern part of the continent as thousands of hopeful gold seekers headed north. Graceful arches of Tahkandit Limestone flank the Yukon River on both banks just upriver of the mouth of the Nation River. Glenn Shale is predominantly grayish-black carbonaceous shale. We have about three months of the year where you cant get an ambulance or fire truck, Stridsaid. From there riverboats took passengers and freight downstream to Dawson. The last steamboat in regular service on the Lower Yukon River was the Nenana, in 1954. It empties into the Bering Sea. Today the population of the region is very small. The red spire-like forms represent the mountains of Yukon, and the two gold discs in each spire, the territorys mineral resources. The Yukon Delta is an exceptionally vivid landscape, whether viewed from the ground, from the air, or from low-Earth orbit, said Gerald Frost, a scientist at ABR, Inc.Environmental Research and Services in Fairbanks, Alaska. May 29, 2021 JPEG Today's story is the answer to the June puzzler. When responsible government was established in 1979, the Commissioner no longer participated in the Executive Council. Strid believes a bridge is the best solution, as it would mean that people living on the west side of the river would have year-round access to emergency services. Emptying into the Bering Sea on the west coast of Alaska, it is over 130,000 square kilometers in size. [Miles Canyon history], available through Alaska State Museum, Knutson, Arthur E. (1979) Sternwheels on the Yukon, available through Alaska State Museum, This page was last edited on 4 November 2022, at 00:37. According to Lawrence Vulis, a graduate student at the University of California, Irvine, the delta would have appeared much more inundated immediately following the melting of snow and ice a few weeks prior to this image. History of Yukon - Wikipedia The Northern Navigation Co. had been formed by earlier mergers including the River Divisions of the Alaska Commercial Co., the Alaska Exploration Co., the SeattleYukon Transportation Co., the Empire Transportation Co., and the North American Transportation & Trading Co. At its zenith, 19141921, White Pass served over 2,000 miles (3,200km) of rivers and lakes by boat and had a near-monopoly on public transportation in the region. Climate change is a major threat to the Yukon region with changes in climate patterns leading to an increase in the temperature of the region threatening the river system fed by meltwater as well as leading to the permafrost of the region melting releasing further greenhouse gasses into the environment. Resolving Mixed Signals of Tundra Vegetation Dynamics and Drivers in the Maritime Arctic. Yukon River - World Map / World Atlas / Atlas of the World Including Where Does the Yukon River Start and End? - Animal Encyclopedia With The last commercial steamboat to operate under its own power on the Yukon River was the Keno, from Whitehorse to Dawson City on August 2629, 1960. However, the Klondike is still a major tourist attraction in Yukon. E. Otto/Comstock Related Articles The Yukon River flows through the Yukon territory in Canada and the U.S. state of Alaska. The Terra mission is part of NASA's Science Mission Directorate, Washington. The gold deposits throughout the basin with some lying 5-10 m beneath riverbeds along the bedrock while other gold can be found along ancient riverbeds, with deposits found along hilltops. The dominant air masses of the region are mainly the siberian and arctic air masses with some influence from the paciffic air mass being seen during the short summer period introducing warmer air to the region. Language links are at the top of the page across from the title. From its source in British Columbia, Canada, it flows through Canada's territory of Yukon (itself named after the river). Nothing is not on the table to discuss, says highway official including a bridge. Yukon was probably the first area in Canada to be settled, following the migration of the ancestors of First Nations people across the Bering Strait land bridge from Asia to North America some 4,000 years ago. To me, one of the interesting things about the delta is that it is a highly transitional area, with some elements of Arctic tundra and some of boreal forest, Frost said. Do you want to report an error or a typo? The lure of mineral wealth has been the main attraction of the region, and mining has maintained several of the settlements. Each branch flows into the Bering Sea, but the coastline is invisible in this image. White Pass boats which operated on the upper Yukon River generally were registered in Canada and were operated by a subsidiary known as the British Yukon Navigation Co. White Pass boats which operated on the Lower Yukon River generally were registered in the US and were operated by a subsidiary known as the American Yukon Navigation Co. Beginning in 1922, most of the White Pass business on the Lower Yukon River and on the Tanana/Chena Rivers was eliminated by competition from the Alaskan Engineering Commission or U.S. NASA by Caltech. Another potential threat to the Yukon river basin is sea-level rise, with most of the Yukon-Kuskokwim delta being situated at less than 30m above sea level, the low lying coastal region that many migratory birds and waterfowl use to support themselves has the potential to be inundated by the Bering Sea leading to environmental loss across the region (Duffy et al., 2018). . One of the worlds largest deltas stands as a remarkable example of how water and ice can shape the land. When Yukon became a separate territory, the Yukon Act of 1898 provided for a Commissioner and a legislative council of six, all appointed by the Government of Canada. NASA's Terra spacecraft shows the Yukon River Delta (along with the Kuskokwim River), one of the largest in the world. Other economic activities are of minor importance in the Yukon basin. We are used to thinking about relatively ancient landscapes, but modern river deltas have only formed in the last 10,000 to 8,000 years since global sea level has stabilized., The delta could quite possibly look different in the future. The boundaries of Yukon were first drawn in 1895, when it became a district of the Northwest Territories. Gold brought people to Fairbanks and Dawson; when the gold was depleted, Fairbanks continued to grow as it took on administrative and transportation . Melting snow and ice cause the rivers to spill over their banks and by late May, many of the marshes are filled with floodwater, which appears as dark-brown ponds. This page is not available in other languages. In 1848 he established a trading post at Fort Selkirk, at the junction of the Pelly and Yukon rivers, in order to trade with the local Indians. Many of the lakes and streams in this region, including the Yukon River, experience an annual freezing event during the Winter months from october to march, providing an intermittent flow for the Yukon itself. Yukon River HydroGuide Please note: Text within images is not translated, some features may not work properly after translation, and the translation may not accurately convey the intended meaning. The raven is the largest member of the crow family and has a body length of up to 70 centimetres. The generally accepted source of the Yukon River is the Llewellyn Glacier, at the south end of Atlin Lake. Choose a language from the menu above to view a computer-translated version of this page. Yukon Delta, Alaska - NASA Jet Propulsion Laboratory (JPL) - Robotic European fur traders began to arrive in the 1800s. sold its remaining river equipment to the Yutana Barge Line in 1980. Yukon River Coordinates: 623555N 1644800W The Yukon River is a major watercourse of northwestern North America. Yukon 'looking into other options' for river crossing at Dawson City The flag was designed by Lynn Lambert, a student from Haines Junction, Yukon, who won the territorial design competition during Canadas centennial year. By 1838 Russian fur traders had explored the river as far inland as Nulato (Alaska), where they established a post near the junction of Koyukuk River. Yukon River - Alaska Vacations & Travel Advice from Trusted Alaskans There is not a large diversity of tree and plant species located across the Yukon basin, however, there is a presence of coniferous, white spruce, paper birch, quaking aspen, willow and alder trees as well as grasslands which provide habitats for a thriving ecosystem. There are a mixture of both large and small mammalian species situated within the basin with a total of 40 species identified within the basin. With the formal introduction of party politics in 1978, the elected leader of the majority party in the legislature became known as the Government Leader. The Yukon and other Arctic deltas are thought to be particularly vulnerable to climate change, Vulis noted, due to the roles of permafrost and ice in shaping these deltas.. The Cross of St. George at the top of the shield refers to the early explorers and fur traders from England, while the round panel of heraldic fur in the centre of the cross symbolizes the fur trade. August 17, Discovery Day, is an annual holiday celebrating the anniversary of the initial discovery of gold at Bonanza Creek. By 1898-1899, Dawson City, at the junction of the Klondike and Yukon rivers, was home to 40,000 people. The Yukon River begins to flow westward where north of Whitehorse, the capital and only city within the Yukon, the rivers course begins to widen at this point incorporating the many of the Lakes of the interconnected Yukon fluvial system including Lake Bamberge. The two major exceptions are the Peel River, . The Yukon basin contains an ecosystem that is relatively close to the natural ecosystem, with those that consistently live within the basin living sustainable lifestyles that do not negatively impact the environment. The story cycle of the Athapaskan hero Tachokaii ("the Traveller") tells of the making of both the river and time itself. The Yukon river has a long standing history of pollution from mining, military installations, dumps and wastewater discharge within the basin. Nothing is not on the table to discuss, said Jim Regimbal, northern area superintendent for the territorys department of Highways and Public Works. History In Canada, the Yukon River and its headwaters traverse the territories of the Tr'ondk Hwch'in, Tutchone, Tagish and Tlingit. In a lot of cases the people that drive them arent terribly comfortable driving them on to a tight space. NASA/METI/AIST/Japan Space Systems, and U.S./Japan ASTER Science Team, Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). Image of the Day The Yukon River is such a giant; no words can accurately describe the scale of things along its more than 2000-mile length. The Yukon River is a river in northwestern North America.It starts in British Columbia, continues through the Yukon Territory, and ends in Alaska.It empties into the Bering Sea.It is the longest river in Alaska and the Yukon. Physical Geography. The smaller distributaries (the branches that break away from the main branch of the river) are darker, highlighted against the field of white that covers the rest of the delta region. Suite 110 The Yukon itself spans an area of 832,700 km containing a portion of British Columbia, Canada where its source is located in Atlin Lake, and Alaska. The Yukon River is the third longest river that flows through at least part of the United States. As the Yukon enters the middle course of the river one of the most notable landforms is present, the Five Finger Rapids. Save my name, email, and website in this browser for the next time I comment. Land The Yukon-Kuskokwim delta spans an area of 129,500 km and is one of the largest deltas in the world. Climate change also poses a risk for the region with changes in precipitation patterns from snowfall to rainfall meaning that the glaciers that support the Yukon river will begin to retreat as there is a reduced amount of accumulation while ablation continues to occur leading to glacier recession. Your email address will not be published. Still, the flooding was recent enough that the plenty of ponding remained on May 29. These sedimentary deposits are composed of light brown sand and silt and were deposited by the Yukon River when the floodplain was at a higher level. People In 1901 the first census for which data on the Yukon is available the population of the territory was 27,219. Fairbanks, Yukon River - Home | The Canadian Encyclopedia It was an equipment run to move the boat for purposes of putting it on display at Dawson City. The tree usually grows at higher elevations, and its short, stiff branches slope downward, allowing it to withstand heavy loads of snow and ice in the high country. Were open to the best solution for everyone.. The flag is made up of three vertical panels. [1], In 1900, the White Pass & Yukon Route completed its railroad line between Skagway, Alaska and Whitehorse, Yukon. The first steamers on the lower Yukon River were work boats for the Collins Overland Telegraph in 1866 or 1867, with a small steamer called Wilder. The bluff is composed of Biederman Argillite (Cretaceous), which exhibits rhythmic bedding of argillite, siltstone, and sandstone. The raven was adopted as Yukons official bird in 1985 and it is seen everywhere in Yukon. The broad spectral coverage and high spectral resolution of ASTER provides scientists in numerous disciplines with critical information for surface mapping and monitoring of dynamic conditions and temporal change. Portus B. Weare worked the river after 1892. The Yukon River is the fifth longest in North America. Geology Down the Yukon Guide - NPS.gov Homepage (U.S. National Park From available climatic information the average temperature of the yukon varies from 30C in the summer while in the winter temperatures can reach -40C. A rare and beautiful phosphorous-based mineral, it was proclaimed as Yukons official gemstone in 1976. These images show the delta's northern lobe, where the Yukon River spills into the Bering Sea along the west coast of Alaska. This sediment is also instrumental to the formation of tall levees on the sides of the channels, deposited there when floodwaters spill over their banks. The many vistas of the winding river, its forested slopes supporting game and wildlife, and the game fish in the tributary lakes are all part of an attractive natural environment that has become more difficult to find in southern regions. The Yukon flows for 3,190 km through the bitter wilderness of an Arctic Tundra with long cold winter periods punctuated with minor warm summers. operated between Nenana and Tanana. Image of the Day The Yukon-Kuskokwim Delta is one of the worlds largest deltas, and it stands as a remarkable example of how water and ice can shape the land. The White Pass discontinued regular service on the Lower Yukon River and Tanana River at the end of the 1941 season. The Government Leader has the authority to determine the size and the appointments to the Executive Council, much like the premiers in the provinces. The river continues its journey westward where the Five Finger Rapids were the braided pattern of the river meanders around four islands within the channel creating almost impassable courses in all but one of the five channels. Tagish Lake flows into, Atlin Provincial Park and Recreation Area#Conservation, Center for Bibliographic Studies and Research, University of California, Riverside, White Pass & Yukon Route / BYN British Yukon Navigation Steamboats, https://en.wikipedia.org/w/index.php?title=Steamboats_of_the_Yukon_River&oldid=1119896624, Knutson, Arthur E. (1990). It is 1,980 miles (3,190 kilometers) long. Perhaps the main resource of the Yukon basin is its scenery, isolation, and sparse population, all of which are attractive to tourists seeking to escape the more crowded and less scenically endowed areas of the continent. A lot of them have very low clearance, so they get hung up or they drag their bellies.. The Yukon River is a river in northwestern North America. Throughout the 1800s the European settlers created trade links for furs and other products, however, are the advent of the gold rush in 1896 with the influx of many more Europeans searching for gold, with an estimated 100,000 prospectors moving into the Klondike region of the Yukon basin. He says sometimes the line up to get across the river extends to the equivalent of two blocks long. But once the easily extracted placer gold was depleted, Dawsons population dropped to 8,512 by 1911. In 1870, the Government of Canada acquired the territory from the Hudsons Bay Company and the entire region became known as the Northwest Territories. The rapids are created as a result of erosional processes from the Yukon River, with erosion of the surface leading to the creation of four islands within the channel of the Yukon creating 5 narrow channels that are not easily accessible by boat. In 1900, the White Pass & Yukon Route completed its railroad line between Skagway, Alaska and Whitehorse, Yukon. Ice Jam on the Yukon River Floods Galena, Alaska, NASA Goddard Space Strid said a newferry could solve the mechanical issues but it wouldnt change the long wait times for vehicles. Steamboats on the Yukon River played a role in the development of Alaska and Yukon. Yukon 'looking into other options' for river crossing at Dawson City, as ferry ages The lower half of the river continues westward through the U.S. state of Alaska. He said residents also have until the end of the month to submit commentsand suggestions via a survey that was mailed out to every resident. Yukon-Kuskokwim in Colorful Transition - NASA Earth Observatory - Home The U.S. science team is located at NASA's Jet Propulsion Laboratory in Pasadena, Calif. Snow and Ice. More information about ASTER is available at http://asterweb.jpl.nasa.gov/. Theres 200 hundred people living in West Dawson now, he said. This is a product of glacial runoff far upstream, which carries a large amount of sediment toward the coast. Geology On the Yukon River - NPS.gov Homepage (U.S. National Park Service) So right off the bat youve got that many more people trying to get to work.. The Alaska Railroad discontinued river passenger service at the end of the 1949 season. Chester Bluff is composed of finely layered Biederman Argillite, which is overlain by deposits of a river terrace. Michael), and the biggest operator on the Tanana/Chena Rivers (TananaNenanaFairbanks). operated between Tanana and Marshall, Alaska. Between 1896 and 1903, more than $95 million in gold were mined from the Klondike region. Much of the lower section of the Yukon River within the preserve is divided among several volcanic rock sequences providing a considerable array of rock types and features. The population of the territory declined further to 4,157 by 1921 and would not experience significant growth until after the Second World War . Yukon River - Britannica Keno, the second Klondike, and Nenana survive as museums. This deposition occurs at the mouth of the Yukon as it enters the Bering Sea, combined with the deposition of materials from the Kuskokwim river, creating the Yukon-Kuskokwim delta. Its been a topic of conversation among many residents in Dawson City, Yukon, for decades. The Yukon-Kuskokwim Delta is one of the world's largest deltas, and it stands as a remarkable example of how water and ice can shape the land. in the region is largely restricted to the four summer months as precipitation in the rest of the year is in the form of snow. The gold deposits were formed as a result of the volcanic processes that formed the Earths crust and later from erosion by the rivers and streams within the Yukon basin. Snow and Ice. Todays story is the answer to the June puzzler. It became a separate territory in 1898 with the passage of the Yukon Act. Kids Students Scholars The Yukon River flows through large areas of wilderness on its way to the Bering Sea. Four miles downriver from the mouth of the Kandik River, Biederman Bluff rises 1,000 feet. The main branches of the river are bright white, the surface frozen and probably covered in snow. A joint U.S./Japan science team is responsible for validation and calibration of the instrument and data products. After translating an article, all tools except font up/font down will be disabled. The needle-like spires of Takoma Bluff (Precambrian) suggest a medieval castle rising along the Yukon River. Yukoners pride in the territory is reflected in the brilliant colours of the tartan: the blue represents the sparkling, glacier-fed waters and clear mountain skies; magenta, the colour of the floral emblem; green, the great expanses of wilderness forest; purple, the majestic mountains; white, the purity of the winter snow; and yellow, the long, soft evenings of the midnight sun, and the territorys famous deposits of gold. The riverboats ceased to operate on the Canadian part of the river in the 1950s, being replaced by road and air transport to Dawson and other small towns. Agriculture is a minor activity. Over the past couple ofyearsthe George Black ferry, whichshuttles passengers and vehicles across the river, has experienced numerous issues rangingfrom mechanicalto administrative, and thatsresulted in service being stopped foran hour,or even up to a few days. Floating the Yukon River: Eagle to Circle - NPS.gov Homepage (U.S Within the Yukon basin there are a large number of fauna species throughout the Yukon basin with over 150 bird species, 40 mammals and 18 fish species along with 1 species of amphibian. Beginning in 1901, the White Pass was almost the exclusive operator on the Upper Yukon River (WhitehorseDawson City). When I was a kid there might havebeen 30or 40. It empties into the Bering Sea. It is 1,980 miles (3,190 kilometers) long. Knock on wood as Im knocking on my table right now well get ten to fifteen years with the ferry, Regimbal said. Connecting passenger service between Marshall and St. Michael was provided by the Northern Commercial Co., from 1923 to 1949, using the 45-foot 16-gross ton gasoline-powered screw propeller vessel Agulleit (U.S.A. #214487). In Yukon, lazulite is found in the layered sedimentary rock of the Blow River area in Ivvavik National Park. 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