Politically, the peninsula forms part of Kamchatka Krai. The southern tip is called Cape Lopatka. (Lopatka is Russian for spade.) The circular bay to the north of this on the Pacific side is Avacha Bay, home to the capital, Petropavlovsk-Kamchatsky. Northward up the Pacific side, the four peninsulas are called Shipunsky Point, Kronotsky Point, Kamchatsky Point, and Ozernoy Point. North of Ozernoy Point is the large Karaginsky Bay, which features Karaginsky Island. Northeast of this (off the displayed map) lies Korfa Bay with the town of Tilichiki. On the opposite side is the Shelikhov Gulf.
The Kamchatka or Central (Sredinny) Range forms the spine of the peninsula. Along the southeast coast runs the Eastern Range (Vostochny). Between these lies the central valley. The Kamchatka River rises northwest of Avacha and flows north down the central valley, turning east near Klyuchi to enter the Pacific south of Kamchatsky Point at Ust-Kamchatsk. In the nineteenth century, a trail led west from near Klychi over the mountains to the Tegil river and town, which was the main trading post on the west coast. North of Tegil is Koryak Okrug. South of the Tegil is the Icha River. Just south of the headwaters of the Kamchatka, the Bistraya River curves southwest to enter the Sea of Okhotsk at Bolsheretsk, which once served as a port connecting the peninsula to Okhotsk. South of the Bistraya flows the Golygina River.
Petropavlovsk-Kamchatsky and the settlements in the central part of the peninsula are connected by highway leading to Ust-Kamchatsk. The road is asphalt in its southern part and near habitations, but changes to gravel about halfway north. Another highway connects the local capital with Bolsheretsk. Bus service is available on both roads. Most other roads are gravel-covered or dirt roads, requiring off-road-capable vehicles. There is semi-regular passenger transportation with aircraft.
The eruption of Klyuchevskaya Sopka
The obvious circular area in the central valley is the Klyuchevskaya Sopka, an isolated volcanic group southeast of the curve of the Kamchatka River. West of Kronotsky Point is the Kronotsky Biosphere Reserve with the Valley of Geysers. At the southern tip is the Southern Kamchatka Wildlife Refuge with Kurile Lake. There are several other protected areas on the peninsula.
Kamchatka receives up to 2,700 mm (110 in) of precipitation per year. This is much higher than the rest of Eastern Russia, and is due to prevailing westerly winds blowing over the Sea of Japan and picking up moisture that rises as it hits the higher topography of the peninsula, and condenses into rain. The summers are moderately cool, and the winters are rather stormy, but the storms rarely produce lightning.
Petropavlovsk-Kamchatsky
Although Kamchatka lies at similar latitudes to Scotland, cold arctic winds from Siberia combined with the cold Oyashio sea current keep the peninsula covered in snow from October to late May. Under the Köppen climate classification, Kamchatka generally has a subarctic climate (Dfc), but higher and more northerly areas have a polar climate (ET). Kamchatka is much wetter and milder than eastern Siberia. It is essentially transitional from the hypercontinental climate of Siberia and northeast China to the rain-drenched subpolar oceanic climate of the Aleutian Islands.
There is considerable variation, however, between the rain-drenched and heavily glaciated east coast and the drier and more continental interior valley. In the heavily glaciated Kronotsky Peninsula, where maritime influences are most pronounced, annual precipitation can reach as high as 2,500 millimetres (98 in), whilst the southeast coast south of Petropavlovsk-Kamchatsky generally receives around 1,166 millimetres (45.9 in) of rainfall equivalent per year. Considerable local variations exist: southern parts of the Petropavlovsk-Kamchatsky metropolitan area can receive as much as 430 millimetres (17 in) more than the northern part of the city. Temperatures here are very mild, with summer maxima around 16 °C (61 °F) and winter lows around −8 °C (18 °F), whilst diurnal temperature ranges seldom exceed 5 °C (9 °F) due to persistent fog on exposed parts of the coast. South of 57˚N there is no permafrost due to the relatively mild winters and heavy snow cover, whilst northward discontinuous permafrost prevails. The west coastal plain has colder and drier climate with precipitation ranging from 880 millimetres (34.6 in) in the south to as little as 430 millimetres (17 in) in the north, where winter temperatures become considerably colder at around −20 °C .
The interior valley of the Kamchatka River, represented by Klyuchi, has much lower precipitation (at around 450 to 650 millimetres (17.7 to 25.6 in)) and significantly more continental temperatures, reaching 19 °C (66 °F) on a typical summer day and during extreme cold winter spells falling as low as −41 °C (−42 °F). Sporadic permafrost prevails over the lower part of this valley
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