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Mount Laurens
Mount Laurens is a mountain summit in Alaska. Description Mount Laurens is located northwest of Talkeetna, Alaska, Talkeetna in Denali National Park and Preserve, Denali National Park and the Alaska Range. It is set south-southwest of Mount Foraker and southwest of Denali. Topographic relief is significant as the east face rises over in 0.75 mile (1.2 km). The glaciated peak ranks as the 507th-highest summit in Alaska. The first ascent of the summit was made in 1997 by Thomas Bubendorfer, solo, via the north face and west ridge.Graham Zimmerman, ''Mt. Laurens, Northeast Buttress'' 2014, publications.americanalpineclub.org The mountain's toponym was applied by Thomas Bubendorfer, and the mountain is named after his son, Laurens, 10-year ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alaska
Alaska ( ) is a non-contiguous U.S. state on the northwest extremity of North America. Part of the Western United States region, it is one of the two non-contiguous U.S. states, alongside Hawaii. Alaska is also considered to be the northernmost, westernmost, and easternmost (the Aleutian Islands cross the 180th meridian into the eastern hemisphere) state in the United States. It borders the Canadian territory of Yukon and the province of British Columbia to the east. It shares a western maritime border, in the Bering Strait, with Russia's Chukotka Autonomous Okrug. The Chukchi and Beaufort Seas of the Arctic Ocean lie to the north, and the Pacific Ocean lies to the south. Technically, it is a semi-exclave of the U.S., and is the largest exclave in the world. Alaska is the largest U.S. state by area, comprising more total area than the following three largest states of Texas, California, and Montana combined, and is the seventh-largest subnational division i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tundra Climate
The tundra climate is a polar climate sub-type located in high latitudes and high mountains. It is classified as ET according to the Köppen climate classification. It is a climate which at least one month has an average temperature high enough to melt snow (), but no month with an average temperature in excess of . If the climate occurs at high elevations, it is known as alpine climate. Despite the potential diversity of climates in the ''ET'' category involving precipitation, extreme temperatures, and relative wet and dry seasons, this category is rarely subdivided. Rainfall and snowfall are generally slight due to the low vapor pressure of water in the chilly atmosphere, but as a rule potential evapotranspiration is extremely low, allowing soggy terrain of swamps and bogs even in places that get precipitation typical of deserts of lower and middle latitudes. The amount of native tundra biomass depends more on the local temperature than the amount of precipitation. Tundra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountains Of Denali National Park And Preserve
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher than a hill, typically rising at least above the surrounding land. A few mountains are inselberg, isolated summits, but most occur in mountain ranges. mountain formation, Mountains are formed through tectonic plate, tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through Slump (geology), slumping and other forms of mass wasting, as well as through erosion by rivers and glaciers. High elevations on mountains produce Alpine climate, colder climates than at sea level at similar latitude. These colder climates strongly affect the Montane ecosystems, ecosystems of mountains: different elevations hav ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Russell (Alaska)
Mount Russell is one of the major peaks of the central Alaska Range, approximately southwest of Denali. Though much lower than Denali or its neighbor Mount Foraker, Russell is a steep, dramatic peak and a significant mountaineering challenge in its own right. To give a sense of its size and steepness, note that its summit rises over the Chedotlothna Glacier to the northwest in only , and almost above the lower Yentna Glacier to the south in only . Mount Russell is the highest point in the Kuskokwim River watershed. The first ascent of Mount Russell was made on May 28, 1962, by a party led by Hellmut Raithel. The summit party comprised Klaus Ekkerlein, Robert Goodwin, and Peter Hennig. They ascended the West Face from the Chedotlothna Glacier. The second ascent was in July 1972, by Thomas Kensler, Peter Brown, John Hauck, Dick Jablonowski, and Daniel L. Osborne. That ascent proceeded via the now-standard North East Ridge route, from the high basin of the upper Yentna Glacier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kahiltna Glacier
Kahiltna Glacier is the longest glacier of the Alaska Range in the U.S. state of Alaska. It starts on the southwest slope of Denali near Kahiltna Pass (elevation ). Its main channel runs almost due south between Mount Foraker to the west and Mount Hunter to the east. The name was first reported as "Car-ilt-nu Glacier" by Alaska Range explorer Lt. J.S. Herron in 1902. An alternate name is Kagheltnu Li'a. Kahiltna Glacier is the longest glacier in the Alaska Range at in length. Forks The glacier has a few notable forks. The Northeast Fork lies just under, and to the south of, the large plateau which houses the camp on the standard West Buttress route of Denali. It also provides access to the less popular, but more technical, West Rib and Cassin Ridge routes. The East Fork is rarely visited, but provides access to the west side of the South Buttress of Denali. The mouth of the Southeast Fork is the site of the seasonal airstrip and base camp for Denali at approximately the 7,00 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Hunter (Alaska)
Mount Hunter or Begguya is a mountain in Denali National Park and Preserve, Denali National Park in Alaska. It is approximately south of Denali, the highest peak in North America. "Begguya" means child (of Denali) in the Dena'ina language. Mount Hunter is the third-highest major peak in the Alaska Range. Mount Hunter has a complex structure: it is topped by a large, low-angled glacier plateau, connecting the North (Main) Summit and the South Summit (). Long, corniced ridges extend in various directions; between them are exceptionally steep faces. Naming of the mountain The native name for the mountain is Begguya, meaning "Denali's Child". Early prospectors referred to the mountain as Mount Roosevelt. In 1903, Robert Dunn, a reporter for the ''New York Commercial Advertiser'', visited the area as part of Frederick Cook's attempt to climb Mount McKinley. He bestowed the name of his aunt Anna Falconnet Hunter (1885–1941), who financed his trip, on a high nearby mountain, promine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geography Of Alaska
Alaska occupies the northwestern portion of the North American continent and is bordered only by Canada on the east. It is one of two U.S. states not bordered by another state; Hawaii is the other. Alaska has more ocean coastline than all of the other U.S. states combined. About of Canadian territory consisting of British Columbia (in Canada) separate Alaska from Washington U.S. state. Alaska is thus an exclave of the United States that is part of the continental U.S. and the U.S. West Coast, but is not part of the contiguous U.S. The state is bordered by Yukon and British Columbia, Canada to the east, the Gulf of Alaska and the Pacific Ocean to the south, Russia (Chukotka Autonomous Okrug), Bering Sea, the Bering Strait, and the Chukchi Sea to the west, and the Beaufort Sea and the Arctic Ocean to the north. Because it extends into the Eastern Hemisphere, it is technically both the westernmost and easternmost state in the United States, as well as also being the northernmo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mountain Peaks Of Alaska
This article comprises three sortable tables of major mountain peaks of the U.S. State of Alaska. The summit of a mountain or hill may be measured in three principal ways: #The topographic elevation of a summit measures the height of the summit above a geodetic sea level. The first table below ranks the 100 highest major summits of Alaska by elevation. #The topographic prominence of a summit is a measure of how high the summit rises above its surroundings. The second table below ranks the 100 most prominent summits of Alaska. #The topographic isolation (or radius of dominance) of a summit measures how far the summit lies from its nearest point of equal elevation. The third table below ranks the 50 most isolated major summits of Alaska. __TOC__ Highest major summits Of the 100 highest major summits of Alaska, only Denali exceeds elevation, four peaks exceed , 23 peaks exceed , 61 peaks exceed , and 92 peaks exceed elevation. Five of these peaks lie on the internation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lacuna Glacier
Lacuna Glacier is a glacier in Denali National Park and Preserve in the U.S. state of Alaska. The glacier begins on the south side of Mount Foraker in the Alaska Range, moving southwest to join the Yentna Glacier, to which Lacuna is a tributary. See also * List of glaciers A glacier ( ) or () is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly defor ... References Glaciers of Matanuska-Susitna Borough, Alaska Glaciers of Denali National Park and Preserve Glaciers of Alaska {{Alaska-glacier-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yentna Glacier
Yentna Glacier is a glacier in Denali National Park and Preserve in the U.S. state of Alaska. The glacier begins in the Alaska Range between Mount Russell and Mount Foraker, moving southwest. It is the source of the east fork of the Yentna River. Lacuna Glacier is a major tributary, and Dall Glacier enters the glacial valley just below Yentna Glacier's present terminus. See also * List of glaciers A glacier ( ) or () is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly defor ... References External links * FlickrPhoto Glaciers of Matanuska-Susitna Borough, Alaska Glaciers of Denali National Park and Preserve Glaciers of Alaska {{Alaska-glacier-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orographic Lift
Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain. As the air mass gains altitude it quickly cools down adiabatically, which can raise the relative humidity to 100% and create clouds and, under the right conditions, precipitation. Orographic lifting can have a number of effects, including precipitation, rain shadowing, leeward winds, and associated clouds. Precipitation Precipitation induced by orographic lift occurs in many places throughout the world. Examples include: * The Mogollon Rim in central Arizona * The western slope of the Sierra Nevada range in California. * The western slope of the Wasatch Range in Utah. Specifically the Little and Big Cottonwood Canyons. * The mountains near Baja California North – specifically La Bocana to Laguna Hanson. * The windward slopes of Khasi and Jayantia Hills (see Mawsynram) in the state of Meghalaya in India. * The Western Highlands of Yemen, which rece ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Köppen Climate Classification
The Köppen climate classification divides Earth climates into five main climate groups, with each group being divided based on patterns of seasonal precipitation and temperature. The five main groups are ''A'' (tropical), ''B'' (arid), ''C'' (temperate), ''D'' (continental), and ''E'' (polar). Each group and subgroup is represented by a letter. All climates are assigned a main group (the first letter). All climates except for those in the ''E'' group are assigned a seasonal precipitation subgroup (the second letter). For example, ''Af'' indicates a tropical rainforest climate. The system assigns a temperature subgroup for all groups other than those in the ''A'' group, indicated by the third letter for climates in ''B'', ''C'', ''D'', and the second letter for climates in ''E''. Other examples include: ''Cfb'' indicating an oceanic climate with warm summers as indicated by the ending ''b.'', while ''Dwb'' indicates a semi-Monsoon continental climate, monsoonal continental climate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
