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The subarctic climate (also called subpolar climate, or boreal climate) is a
climate Climate is the long-term weather pattern in an area, typically averaged over 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years. Some of the meteorologic ...
with long, cold (often very cold) winters, and short, warm to cool summers. It is found on large landmasses, often away from the moderating effects of an ocean, generally at
latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...
s from 50° to 70°N, poleward of the
humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing ...
s. Subarctic or boreal climates are the source regions for the cold air that affects temperate latitudes to the south in winter. These climates represent
Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...
''Dfc'', ''Dwc'', ''Dsc'', ''Dfd'', ''Dwd'' and ''Dsd''.


Description

This type of climate offers some of the most extreme seasonal temperature variations found on the planet: in winter, temperatures can drop to below and in summer, the temperature may exceed . However, the summers are short; no more than three months of the year (but at least one month) must have a 24-hour average temperature of at least to fall into this category of climate, and the coldest month should average below (or ). Record low temperatures can approach . With 5–7 consecutive months when the average temperature is below freezing, all moisture in the soil and subsoil freezes solidly to depths of many feet. Summer warmth is insufficient to thaw more than a few surface feet, so permafrost prevails under most areas not near the southern boundary of this climate zone. Seasonal thaw penetrates from , depending on latitude, aspect, and type of ground.Subarctic Division
Some northern areas with subarctic climates located near oceans (southern
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
, the northern fringe of Europe,
Sakhalin Oblast Sakhalin Oblast ( rus, Сахали́нская о́бласть, r=Sakhalínskaya óblast', p=səxɐˈlʲinskəjə ˈobləsʲtʲ) is a federal subject of Russia (an oblast) comprising the island of Sakhalin and the Kuril Islands in the Russian ...
and
Kamchatka Oblast Kamchatka Oblast (russian: Камча́тская о́бласть, ''Kamchatskaya oblast'') was, until being incorporated into Kamchatka Krai on July 1, 2007, a federal subject of Russia (an oblast). To the north, it bordered Magadan Oblas ...
), have milder winters and no permafrost, and are more suited for farming unless precipitation is excessive. The frost-free season is very short, varying from about 45 to 100 days at most, and a freeze can occur anytime outside the summer months in many areas.


Description

The first D indicates continental, with the coldest month below (or ). * ''s'': A dry summer—the driest month in the high-sun half of the year (April to September in the Northern Hemisphere, October to March in the Southern Hemisphere) has less than / of rainfall and has exactly or less than the precipitation of the wettest month in the low-sun half of the year (October to March in the Northern Hemisphere, April to September in the Southern Hemisphere), * ''w'': A dry winter—the driest month in the low-sun half of the year has exactly or less than one‑tenth of the precipitation found in the wettest month in the summer half of the year, * ''f'': Without dry season—does not meet either of the alternative specifications above. The third letter denotes temperature: * ''c'': Regular subarctic, only 1–3 months above , coldest month between and . * ''d'': Severely cold subarctic, only 1–3 months above , coldest month at or below .


Precipitation

Most subarctic climates have little precipitation, typically no more than over an entire year due to the low temperatures and
evapotranspiration Evapotranspiration (ET) is the combined processes by which water moves from the earth’s surface into the atmosphere. It covers both water evaporation (movement of water to the air directly from soil, canopies, and water bodies) and transpi ...
. Away from the coasts, precipitation occurs mostly in the summer months, while in coastal areas with subarctic climates the heaviest precipitation is usually during the autumn months when the relative warmth of sea vis-à-vis land is greatest. Low precipitation, by the standards of more temperate regions with longer summers and warmer winters, is typically sufficient in view of the very low
evapotranspiration Evapotranspiration (ET) is the combined processes by which water moves from the earth’s surface into the atmosphere. It covers both water evaporation (movement of water to the air directly from soil, canopies, and water bodies) and transpi ...
to allow a water-logged terrain in many areas of subarctic climate and to permit snow cover during winter. A notable exception to this pattern is that subarctic climates occurring at high elevations in otherwise temperate regions have extremely high precipitation due to
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 cr ...
.
Mount Washington Mount Washington is the highest peak in the Northeastern United States at and the most topographically prominent mountain east of the Mississippi River. The mountain is notorious for its erratic weather. On the afternoon of April 12, 1934 ...
, with temperatures typical of a subarctic climate, receives an average rain-equivalent of of precipitation per year. Coastal areas of Khabarovsk Krai also have much higher precipitation in summer due to orographic influences (up to in July in some areas), whilst the mountainous
Kamchatka The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and west ...
peninsula and
Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh: ...
island are even wetter, since orographic moisture isn't confined to the warmer months and creates large
glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its Ablation#Glaciology, ablation over many years, often Century, centuries. It acquires dis ...
s in Kamchatka.
Labrador , nickname = "The Big Land" , etymology = , subdivision_type = Country , subdivision_name = Canada , subdivision_type1 = Province , subdivision_name1 ...
, in eastern Canada, is similarly wet throughout the year due to the semi-permanent
Icelandic Low The Icelandic Low is a semi-permanent centre of low atmospheric pressure found between Iceland and southern Greenland and extending in the Northern Hemisphere winter into the Barents Sea. In the summer, it weakens and splits into two centres, on ...
and can receive up to of rainfall equivalent per year, creating a snow cover of up to that does not melt until June.


Vegetation and land use

Vegetation Vegetation is an assemblage of plant species and the ground cover they provide. It is a general term, without specific reference to particular taxa, life forms, structure, spatial extent, or any other specific botanical or geographic character ...
in regions with subarctic climates is generally of low diversity, as only hardy tree species can survive the long winters and make use of the short summers.
Tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
s are mostly limited to
conifer Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...
s, as few broadleaved trees are able to survive the very low temperatures in winter. This type of forest is also known as
taiga Taiga (; rus, тайга́, p=tɐjˈɡa; relates to Mongolic and Turkic languages), generally referred to in North America as a boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruce ...
, a term which is sometimes applied to the climate found therein as well. Even though the diversity may be low, the area and numbers are high, and the taiga (boreal) forest is the largest forest biome on the planet, with most of the forests located in Russia and Canada. The process by which plants become acclimated to cold temperatures is called hardening. Agricultural potential is generally poor, due to the natural infertility of soils and the prevalence of swamps and lakes left by departing
ice sheet In glaciology, an ice sheet, also known as a continental glacier, is a mass of glacial ice that covers surrounding terrain and is greater than . The only current ice sheets are in Antarctica and Greenland; during the Last Glacial Period at La ...
s, and short growing seasons prohibit all but the hardiest of crops. Despite the short season, the long summer days at such latitudes do permit some agriculture. In some areas, ice has scoured rock surfaces bare, entirely stripping off the overburden. Elsewhere, rock basins have been formed and stream courses dammed, creating countless lakes.


Distribution


''Dfc'' distribution

The ''Dfc'' climate, by far the most common subarctic type, is found in the following areas: *Northern Eurasia **The majority of
Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part of ...
**The
Kamchatka Peninsula The Kamchatka Peninsula (russian: полуостров Камчатка, Poluostrov Kamchatka, ) is a peninsula in the Russian Far East, with an area of about . The Pacific Ocean and the Sea of Okhotsk make up the peninsula's eastern and we ...
and the northern and central parts of the
Kuril Islands The Kuril Islands or Kurile Islands (; rus, Кури́льские острова́, r=Kuril'skiye ostrova, p=kʊˈrʲilʲskʲɪjə ɐstrɐˈva; Japanese: or ) are a volcanic archipelago currently administered as part of Sakhalin Oblast in the ...
and
Sakhalin Sakhalin ( rus, Сахали́н, r=Sakhalín, p=səxɐˈlʲin; ja, 樺太 ''Karafuto''; zh, c=, p=Kùyèdǎo, s=库页岛, t=庫頁島; Manchu: ᠰᠠᡥᠠᠯᡳᠶᠠᠨ, ''Sahaliyan''; Orok: Бугата на̄, ''Bugata nā''; Nivkh: ...
Island **The northern inland regions of Fennoscandia (milder winters in coastal areas), including most of
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
and the
Hardangervidda Hardangervidda ( en, Hardanger Plateau) is a mountain plateau (Norwegian: ''vidde'') in central southern Norway, covering parts of Vestland, Vestfold og Telemark, and Viken counties. It is the largest plateau of its kind in Europe, with a cold ye ...
plateau **The Western
Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Sw ...
between , and the Eastern
Alps The Alps () ; german: Alpen ; it, Alpi ; rm, Alps ; sl, Alpe . are the highest and most extensive mountain range system that lies entirely in Europe, stretching approximately across seven Alpine countries (from west to east): France, Sw ...
between **Central
Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
**Some parts of central
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
**The
Tatra Mountains The Tatra Mountains (), Tatras, or Tatra (''Tatry'' either in Slovak () or in Polish () - '' plurale tantum''), are a series of mountains within the Western Carpathians that form a natural border between Slovakia and Poland. They are the hi ...
in
Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
and
Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
, above . **The
Pyrenees The Pyrenees (; es, Pirineos ; french: Pyrénées ; ca, Pirineu ; eu, Pirinioak ; oc, Pirenèus ; an, Pirineus) is a mountain range straddling the border of France and Spain. It extends nearly from its union with the Cantabrian Mountains to C ...
, between **The Northeastern Anatolia Region and the
Pontic Alps The Pontic Mountains or Pontic Alps ( Turkish: ''Kuzey Anadolu Dağları'', meaning North Anatolian Mountains) form a mountain range in northern Anatolia, Turkey. They are also known as the ''Parhar Mountains'' in the local Turkish and Pontic Gr ...
, between **Mountain summits in
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...
, most notably in the
Cairngorms The Cairngorms ( gd, Am Monadh Ruadh) are a mountain range in the eastern Highlands of Scotland closely associated with the mountain Cairn Gorm. The Cairngorms became part of Scotland's second national park (the Cairngorms National Park) on 1 S ...
and the
Nevis Range Nevis is a small island in the Caribbean Sea that forms part of the inner arc of the Leeward Islands chain of the West Indies. Nevis and the neighbouring island of Saint Kitts constitute one country: the Federation of Saint Kitts and Ne ...
*North America **Most of Interior,
Western Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...
and
Southcentral Alaska Southcentral Alaska (russian: Юго-Центральная Аляска) is the portion of the U.S. state of Alaska consisting of the shorelines and uplands of the central Gulf of Alaska. Most of the population of the state lives in this reg ...
**The high
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
in
Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...
,
Wyoming Wyoming () is a U.S. state, state in the Mountain states, Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the south ...
,
Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyom ...
,
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...
,
Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...
and the White Mountains of
New Hampshire New Hampshire is a U.S. state, state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec t ...
**Much of
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
from about 5355°N to the
tree line The tree line is the edge of the habitat at which trees are capable of growing. It is found at high elevations and high latitudes. Beyond the tree line, trees cannot tolerate the environmental conditions (usually cold temperatures, extreme snowp ...
, including: ***Southern
Labrador , nickname = "The Big Land" , etymology = , subdivision_type = Country , subdivision_name = Canada , subdivision_type1 = Province , subdivision_name1 ...
***Certain areas within Newfoundland interior and along its northern coast ***
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...
:
Jamésie Jamésie is a territory equivalent to a regional county municipality (TE) of Nord-du-Québec, Canada. Its geographical code is 991 and together with Kativik TE and Eeyou Istchee TE it forms the administrative région and census division (CD ...
,
Côte-Nord Côte-Nord (, ; ; land area ) is the second-largest administrative region by land area in Quebec, Canada, after Nord-du-Québec. It covers much of the northern shore of the Saint Lawrence River estuary and the Gulf of Saint Lawrence past Tadous ...
and far southern Nunavik ***Far northern
Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
***The northern
Prairie Provinces The Canadian Prairies (usually referred to as simply the Prairies in Canada) is a region in Western Canada. It includes the Canadian portion of the Great Plains and the Prairie Provinces, namely Alberta, Saskatchewan, and Manitoba. These provin ...
***The
Rocky Mountain Foothills The Rocky Mountain Foothills are an upland area flanking the eastern side of the Rocky Mountains, extending south from the Liard River into Alberta. Bordering the Interior Plains system, they are part of the Rocky Mountain System The Rocky M ...
in
Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...
and
British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...
***Most of the
Yukon Yukon (; ; formerly called Yukon Territory and also referred to as the Yukon) is the smallest and westernmost of Canada's three territories. It also is the second-least populated province or territory in Canada, with a population of 43,964 as ...
***Most of the Northwest Territories


''Dsc'' and ''Dsd'' distribution

Climates classified as ''Dsc'' or ''Dsd'', with a dry summer, are rare, occurring in very small areas at high elevation around the
Mediterranean Basin In biogeography, the Mediterranean Basin (; also known as the Mediterranean Region or sometimes Mediterranea) is the region of lands around the Mediterranean Sea that have mostly a Mediterranean climate, with mild to cool, rainy winters and w ...
,
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
,
Kyrgyzstan Kyrgyzstan,, pronounced or the Kyrgyz Republic, is a landlocked country in Central Asia. Kyrgyzstan is bordered by Kazakhstan to the north, Uzbekistan to the west, Tajikistan to the south, and the People's Republic of China to the east. ...
,
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...
,
Tajikistan Tajikistan (, ; tg, Тоҷикистон, Tojikiston; russian: Таджикистан, Tadzhikistan), officially the Republic of Tajikistan ( tg, Ҷумҳурии Тоҷикистон, Jumhurii Tojikiston), is a landlocked country in Centr ...
,
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
,
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
and other parts of the
northwestern United States The Northwestern United States, also known as the American Northwest or simply the Northwest, is an informal geographic region of the United States. The region consistently includes the states of Oregon, Washington, Idaho, Montana and Wyoming. ...
(
Eastern Washington Eastern Washington is the region of the U.S. state of Washington located east of the Cascade Range. It contains the city of Spokane (the second largest city in the state), the Tri-Cities, the Columbia River and the Grand Coulee Dam, the Hanf ...
,
Eastern Oregon Eastern Oregon is the eastern part of the U.S. state of Oregon. It is not an officially recognized geographic entity; thus, the boundaries of the region vary according to context. It is sometimes understood to include only the eight easternmost ...
,
Southern Idaho Southern Idaho is a generic geographical term roughly analogous with the areas of the U.S. state of Idaho located in the Mountain Time Zone. It particularly refers to the combined areas of the Boise metropolitan area, the Magic Valley and Eastern ...
, California's
Eastern Sierra The Eastern Sierra is a region in California comprising the eastern side of the Sierra Nevada, which includes Mono and Inyo Counties. The main thoroughfare is U.S. Route 395, which passes through Bridgeport, Lee Vining, Bishop, Big Pine, ...
) and the
Russian Far East The Russian Far East (russian: Дальний Восток России, r=Dal'niy Vostok Rossii, p=ˈdalʲnʲɪj vɐˈstok rɐˈsʲiɪ) is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is admini ...
, such as in
Seneca, Oregon Seneca is a city in Grant County, Oregon, United States. It is located in the Blue Mountains about south of Canyon City, on U.S. Route 395, on the edge of the Malheur National Forest. The population was 199 at the 2010 census. History Seneca ...
or Atlin, British Columbia.


''Dwc'' distribution

In parts of East Asia, like China, the
Siberian High The Siberian High (also Siberian Anticyclone; russian: Азиатский антициклон (''Aziatsky antitsiklon'')) is a massive collection of cold dry air that accumulates in the northeastern part of Eurasia from September until April. It ...
makes the winters colder than places like Scandinavia or Alaska interior but extremely dry (typically with around of rainfall equivalent per month) that snow cover is very limited, creating a ''Dwc'' climate in: *Much of northern
Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
*Russia: **Most of Khabarovsk Krai except the south **Southeastern
Sakha Republic Sakha, officially the Republic of Sakha (Yakutia),, is the largest republic of Russia, located in the Russian Far East, along the Arctic Ocean, with a population of roughly 1 million. Sakha comprises half of the area of its governing Far Eas ...
**Southern
Magadan Oblast Magadan Oblast ( rus, Магаданская область, r=Magadanskaya oblast, p=məgɐˈdanskəjə ˈobləsʲtʲ) is a federal subject (an oblast) of Russia. It is geographically located in the Far East region of the country, and is adminis ...
**Northern
Amur Oblast Amur Oblast ( rus, Аму́рская о́бласть, r=Amurskaya oblast, p=ɐˈmurskəjə ˈobləsʲtʲ) is a federal subject of Russia (an oblast), located on the banks of the Amur and Zeya Rivers in the Russian Far East. The administrative ...
**Northern
Buryatia Buryatia, officially the Republic of Buryatia (russian: Республика Бурятия, r=Respublika Buryatiya, p=rʲɪsˈpublʲɪkə bʊˈrʲætʲɪjə; bua, Буряад Улас, Buryaad Ulas, , mn, Буриад Улс, Buriad Uls), is ...
**
Zabaykalsky Krai Zabaykalsky Krai ( rus, Забайкальский край, r=Zabaikal'skii krai, p=zəbɐjˈkalʲskʲɪj kraj, lit. "Transbaikal krai"; bua, Yбэр Байгалай хизаар, Uber Baigalai Xizaar) is a federal subject of Russia (a krai) t ...
**
Irkutsk Oblast Irkutsk Oblast (russian: Ирку́тская о́бласть, Irkutskaya oblast; bua, Эрхүү можо, Erkhüü mojo) is a federal subject of Russia (an oblast), located in southeastern Siberia in the basins of the Angara, Lena, and Nizh ...
*China: **
Tahe County Tahe () is a county in the far north of Heilongjiang province, and is the northernmost County (People's Republic of China), Chinese county. It is under the jurisdiction of Daxing'anling Prefecture. Administrative divisions Tahe County is divide ...
and
Mohe County Mohe () is a county-level city in Daxing'anling Prefecture, Heilongjiang province. It is the northernmost city in China. Administrative divisions Mohe City is divided into 6 towns: Geography Mohe is located in the far northwest of Heilon ...
in
Heilongjiang Heilongjiang () formerly romanized as Heilungkiang, is a province in northeast China. The standard one-character abbreviation for the province is (). It was formerly romanized as "Heilungkiang". It is the northernmost and easternmost province ...
**Northern
Hulunbuir Hulunbuir or Hulun Buir ( mn, , ''Kölün buyir'', Mongolian Cyrillic: Хөлөнбуйр, ''Khölönbuir''; zh, s=呼伦贝尔, ''Hūlúnbèi'ěr'') is a region that is governed as a prefecture-level city in northeastern Inner Mongolia, China. ...
in
Inner Mongolia Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an autonomous region of the People's Republic of China. Its border includes most of the length of China's border with the country of Mongolia. Inner Mongolia also accounts for a ...
** Gannan in
Gansu Gansu (, ; alternately romanized as Kansu) is a province in Northwest China. Its capital and largest city is Lanzhou, in the southeast part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibet ...
(due to extreme elevation) ** Huangnan, eastern
Hainan Hainan (, ; ) is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. , the largest and most populous island in China,The island of Taiwan, which is slightly l ...
and eastern Guoluo in
Qinghai Qinghai (; alternately romanized as Tsinghai, Ch'inghai), also known as Kokonor, is a landlocked province in the northwest of the People's Republic of China. It is the fourth largest province of China by area and has the third smallest po ...
(due to extreme elevation) **Most of Garzê and Ngawa Autonomous Prefectures (due to extreme elevation) in
Sichuan Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...
**Most of
Qamdo Prefecture Chamdo, officially Qamdo () and also known in Chinese as Changdu, is a prefecture-level city in the eastern part of the Tibet Autonomous Region, China. Its seat is the town of Chengguan in Karuo District. Chamdo is Tibet's third largest city ...
(due to extreme elevation) in the
Tibet Autonomous Region The Tibet Autonomous Region or Xizang Autonomous Region, often shortened to Tibet or Xizang, is a Provinces of China, province-level Autonomous regions of China, autonomous region of the China, People's Republic of China in Southwest China. I ...
* Parts of
Ladakh Ladakh () is a region administered by India as a union territory which constitutes a part of the larger Kashmir region and has been the subject of dispute between India, Pakistan, and China since 1947. (subscription required) Quote: "Jammu and ...
(including
Siachen Glacier The Siachen Glacier is a glacier located in the eastern Karakoram range in the Himalayas at about , just northeast of the point NJ9842 where the Line of Control between India and Pakistan ends. At long, it is the longest glacier in the Kar ...
) and
Spiti Spiti (pronounced as Piti in Bhoti language) is a high-altitude region of the Himalayas, located in the north-eastern part of the northern Indian state of Himachal Pradesh. The name "Spiti" means "The middle land", i.e. the land between Tibe ...
regions of
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
* Parts of
Kaema Plateau The Kaema Plateau is a highland in North Korea. It is surrounded by the Rangrim Mountains, the Macheollyeong Mountains and the Bujeollyeong Mountains. Elevation varies between 700 and 2,000 meters and is approximately 40,000 square kilometers. ...
(including
Mount Baekdu Paektu Mountain (), also known as Baekdu Mountain and in China as Changbai Mountain ( zh, s=长白山, t=長白山; Manchu: Golmin Šanggiyan Alin), is an active stratovolcano on the Chinese–North Korean border. At , it is the highest mo ...
,
Samjiyon Samjiyŏn is a city in Ryanggang Province, North Korea. It takes its name from three lakes in the city, which are collectively known as the Samjiyŏn. Samjiyŏn is situated near Mount Paektu, and tour groups fly to the city's airport to see th ...
,
Musan Musan County is a county in central North Hamgyong province, North Korea. It borders the People's Republic of China to the north, across the Tumen River. It is divided into one ''ŭp'', six labor districts, and fifteen ''ri''. The county sea ...
) in
North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and shares borders with China and Russia to the north, at the Yalu River, Y ...
Further north in Siberia, continentality increases so much that winters can be exceptionally severe, averaging below , even though the hottest month still averages more than . This creates ''Dfd'', ''Dwd'' and ''Dsd'' climates. Should one go northward or even toward a polar sea, one finds that the warmest month has an average temperature of less than , and the subarctic climate grades into a
tundra In physical geography, tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. The term ''tundra'' comes through Russian (') from the Kildin Sámi word (') meaning "uplands", "treeless moun ...
climate not at all suitable for trees. Southward, this climate grades into the
humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers and freezing ...
s with longer summers (and usually less-severe winters) allowing broadleaf trees; in a few locations close to a temperate sea (as in
northern Norway Northern Norway ( nb, Nord-Norge, , nn, Nord-Noreg; se, Davvi-Norga) is a geographical Regions of Norway, region of Norway, consisting of the two northernmost counties Nordland and Troms og Finnmark, in total about 35% of the Norwegian mainlan ...
and southern Alaska), this climate can grade into a short-summer version of an
oceanic climate An oceanic climate, also known as a marine climate, is the humid temperate climate sub-type in Köppen classification ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring cool summers and mild winters ( ...
, the
subpolar oceanic climate An oceanic climate, also known as a marine climate, is the humid temperate climate sub-type in Köppen classification ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring cool summers and mild winters ( ...
, as the sea is approached. In China and Mongolia, as one moves southwestwards or towards lower elevations, temperatures increase but precipitation is so low that the subarctic climate grades into a cold
semi-arid climate A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-ar ...
.


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See also

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Boreal ecology A boreal ecosystem is an ecosystem with a subarctic climate located in the Northern Hemisphere, approximately between 50° to 70°N latitude. These ecosystems are commonly known as taiga and are located in parts of North America, Europe, and Asia. ...
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Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...
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Subantarctic The sub-Antarctic zone is a region in the Southern Hemisphere, located immediately north of the Antarctic region. This translates roughly to a latitude of between 46° and 60° south of the Equator. The subantarctic region includes many islands ...
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Taiga Taiga (; rus, тайга́, p=tɐjˈɡa; relates to Mongolic and Turkic languages), generally referred to in North America as a boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruce ...


References

{{Authority control Köppen climate types Climate of North America Climate of Europe Climate of Asia Ecology Subarctic