|
Lake Vyalozero
Lake Vyalozero () is a large freshwater lake on the Kola Peninsula, Murmansk Oblast, Russia. The lake is mesotropic, with a slower water exchange than the neighboring Lake Inari. It has an area of 98.6 km². Vyala River, a tributary of the Umba, flows from the lake. Ecology Along with other lakes in northwestern Russia, Lake Vyalozero lay on the path of airborne radiation following the Chernobyl disaster. In 1998, 12 years after the Chernobyl disaster, Lake Vyalozero contained 1.8 times the amount of Cesium-137 than Lake Inari. Some paleoglaciologists have suggested that the Lake Vyalozero- Munozero was the western extent of the Fenno-Scandian ice sheet The Weichselian glaciation was the last glacial period and its associated glaciation in northern parts of Europe. In the Alpine region it corresponds to the Würm glaciation. It was characterized by a large ice sheet (the Fenno-Scandian ice sheet) ..., though this has been disputed. Vyalozero Umba basin References [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kola Peninsula
sjd, Куэлнэгк нёа̄ррк , image_name= Kola peninsula.png , image_caption= Kola Peninsula as a part of Murmansk Oblast , image_size= 300px , image_alt= , map_image= Murmansk in Russia.svg , map_caption = Location of Murmansk Oblast within Russia , location= Northwest Russia , coordinates= , area_km2= 100000 , length_km= 370 , width_km= 244 , highest_mount= Yudychvumchorr , elevation_m= 1201 , waterbody = * Barents Sea * White Sea , country= Russia , country_admin_divisions_title= Oblast , country_admin_divisions= Murmansk Oblast , density_km2= , demonym= , population= , citizenships= The Kola Peninsula (russian: Кольский полуостров, Kolsky poluostrov; sjd, Куэлнэгк нёа̄ррк) is a peninsula in the extreme northwest of Russia, and one of the largest peninsulas of Europe. Constituting the bulk of the territory of Murmansk Oblast, it lies almost completely inside the Arctic Circle and is bordered by the Barents Sea to the n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Murmansk Oblast
Murmansk Oblast (russian: Му́рманская о́бласть, p=ˈmurmənskəjə ˈobləsʲtʲ, r=Murmanskaya oblast, ''Murmanskaya oblast''; Kildin Sami: Мурман е̄ммьне, ''Murman jemm'ne'') is a federal subject (an oblast) of Russia, located in the northwestern part of the country. Its administrative center is the city of Murmansk. As of the Russian Census (2010), 2010 Census, its population was 795,409. Geography Geographically, Murmansk Oblast is located mainly on the Kola Peninsula almost completely north of the Arctic Circle''2007 Atlas of Murmansk Oblast'', p. 2 and is a part of the larger Lapland (region), Sápmi (Lapland) region that spans over four countries.Ratcliffe, p. 1 The oblast borders with the Republic of Karelia in Russia in the south, Lapland, Finland, Lapland Region in Finland in the west, Troms og Finnmark, Troms and Finnmark County in Norway in the northwest, and is bounded by the Barents Sea in the north and the White Sea in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vyala River
The Vyala (russian: Вяла) is a river in the southwestern part on the Kola Peninsula, Murmansk Oblast, Russia. The Vyala is a right tributary to the Umba. It is long, and has a drainage basin of . It flows westwards from Lake Vyalozero through a sparsely populated landscape of forests and bogs. It joins the Umba 16 km north of the Umba's outlet into the White Sea The White Sea (russian: Белое море, ''Béloye móre''; Karelian and fi, Vienanmeri, lit. Dvina Sea; yrk, Сэрако ямʼ, ''Serako yam'') is a southern inlet of the Barents Sea located on the northwest coast of Russia. It is su .... References * Rivers of Murmansk Oblast {{Russia-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger oceans, they do form part of the Earth's water cycle. Lakes are distinct from lagoons, which are generally coastal parts of the ocean. Lakes are typically larger and deeper than ponds, which also lie on land, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which usually flow in a channel on land. Most lakes are fed and drained by rivers and streams. Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers, where a river channel has widened into a basin. Some parts of the world have many lakes formed by the chaotic drainage patterns left over from the la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Russia
Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the world, with its internationally recognised territory covering , and encompassing one-eighth of Earth's inhabitable landmass. Russia extends across Time in Russia, eleven time zones and shares Borders of Russia, land boundaries with fourteen countries, more than List of countries and territories by land borders, any other country but China. It is the List of countries and dependencies by population, world's ninth-most populous country and List of European countries by population, Europe's most populous country, with a population of 146 million people. The country's capital and List of cities and towns in Russia by population, largest city is Moscow, the List of European cities by population within city limits, largest city entirely within E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesotropic Lake
The Trophic State Index (TSI) is a classification system designed to rate water bodies based on the amount of biological productivity they sustain. Although the term "trophic index" is commonly applied to lakes, any surface water body may be indexed. The TSI of a water body is rated on a scale from zero to one hundred. Under the TSI scale, water bodies may be defined as: * oligotrophic (TSI 0–40, having the least amount of biological productivity, "good" water quality); * mesotrophic (TSI 40–60, having a moderate level of biological productivity, "fair" water quality); or * eutrophic to hypereutrophic (TSI 60–100, having the highest amount of biological productivity, "poor" water quality). The quantities of nitrogen, phosphorus, and other biologically useful nutrients are the primary determinants of a water body's TSI. Nutrients such as nitrogen and phosphorus tend to be limiting resources in standing water bodies, so increased concentrations tend to result in increased pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Inari
Lake Inari ( fi, Inarijärvi/Inarinjärvi, se, Anárjávri, smn, Aanaarjävri, sms, Aanarjäuʹrr, sv, Enare träsk, no, Enaresjøen) is the largest lake in Sápmi and the third-largest lake in Finland. It is located in the northern part of Lapland, north of the Arctic Circle. The lake is above sea level, and is regulated at the Kaitakoski power plant in Russia. The freezing period normally extends from November to early June. The best-known islands of the lake are Hautuumaasaari ("Graveyard Island"), which served as a cemetery for ancient Sami people, and Ukonkivi ("Ukko's Stone"), a sacrificial place of the ancient inhabitants of the area. There are over 3,000 islands in total. Trout, lake salmon, Arctic char, white fish, grayling, perch and pike are found in Lake Inari. The lake covers . It empties northwards through the Paatsjoki at the mouth of the Varangerfjord, which is a bay of the Barents Sea. The lake depression is a graben bounded by faults active in the Cen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Umba River (Russia)
The Umba (russian: Умба) is a river on the Kola Peninsula, Murmansk Oblast, Russia. It discharges into the Kandalaksha Gulf of the White Sea. It is long, and has a drainage basin of . Geography The river's source is Lake Umbozero, 100 km northeast of Kandalaksha, located between the mountains of the Khibiny Massif and the Lovozero Tundras on the Kola Peninsula. From there it flows south, through a landscape of forests and hills. The river alternates between rapids and more quiet sections, and it flows through several lakes, the largest of which is Lake Kanozero. The river exits from Lake Kanozero through two separate outlet channels, about five kilometers apart. The outlets are called the Kitsa and the Rodvinga, and the latter again divides forming yet another channel called the Nizma. The Kitsa and Rodvinga rejoins in Lake Ponchozero, below which the river is again called the Umba, and it is rejoined by the Nizma a few kilometers further downstream. The river empti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chernobyl Disaster
The Chernobyl disaster was a nuclear accident that occurred on 26 April 1986 at the No. 4 reactor in the Chernobyl Nuclear Power Plant, near the city of Pripyat in the north of the Ukrainian SSR in the Soviet Union. It is one of only two nuclear energy accidents rated at seven—the maximum severity—on the International Nuclear Event Scale, the other being the 2011 Fukushima nuclear disaster in Japan. The initial emergency response, together with later decontamination of the environment, involved more than 500,000 personnel and cost an estimated 18 billion roubles—roughly US$68 billion in 2019, adjusted for inflation. The accident occurred during a safety test meant to measure the ability of the steam turbine to power the emergency feedwater pumps of an RBMK-type nuclear reactor in the event of a simultaneous loss of external power and major coolant leak. During a planned decrease of reactor power in preparation for the test, the operators accidentally dropp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cesium 137
Caesium-137 (), cesium-137 (US), or radiocaesium, is a radioactive isotope of caesium that is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons. Trace quantities also originate from spontaneous fission of uranium-238. It is among the most problematic of the short-to-medium-lifetime fission products. Caesium-137 has a relatively low boiling point of and is volatilized easily when released suddenly at high temperature, as in the case of the Chernobyl nuclear accident and with atomic explosions, and can travel very long distances in the air. After being deposited onto the soil as radioactive fallout, it moves and spreads easily in the environment because of the high water solubility of caesium's most common chemical compounds, which are salts. Caesium-137 was discovered by Glenn T. Seaborg and Margaret Melhase. Decay Caesium-137 has a half-life of about 30.05 years.Bé, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Munozero
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger oceans, they do form part of the Earth's water cycle. Lakes are distinct from lagoons, which are generally coastal parts of the ocean. Lakes are typically larger and deeper than ponds, which also lie on land, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which usually flow in a channel on land. Most lakes are fed and drained by rivers and streams. Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers, where a river channel has widened into a basin. Some parts of the world have many lakes formed by the chaotic drainage patterns left over from the last ice ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
_2020.jpg "Click for more on -> Lake Munozero")