Subpolar zone

Japanese: 冷帯 - れいたい（英語表記）subpolar zone

A region between the temperate and polar zones. Also called the subpolar zone. In the climate classification of Vladimir P. Köppen, this is an area where the average temperature of the warmest month is above 10°C and the average temperature of the coldest month is below -3°C. It is located in the latitude range of 50° to 70° from Eastern Europe to the Eurasian continent including China and the North American continent, and does not exist in the Southern Hemisphere. In Japan, northern Japan is in the polar zone. The winters are cold and long and harsh. The summers are short but the temperature rises considerably, and the annual temperature difference is large. The trees are deciduous broadleaf forest in the south and coniferous forest (taiga) in the north, but the deciduous broadleaf forest zone is often distinguished as the cool temperate zone and the coniferous forest zone as the cool zone.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

温帯と寒帯の間にある地帯。亜寒帯ともいう。ウラジーミル・P.ケッペンの気候区分では，最暖月の平均気温が 10℃以上，最寒月の平均気温が－3℃以下の地域。東ヨーロッパから中国も含めたユーラシア大陸と北アメリカ大陸の緯度 50°～70°の範囲で，南半球にはない。日本では北日本が冷帯にあたる。冬は寒く長く厳しい。夏は短いが気温がかなり上昇し，気温の年較差が大きい。樹木は南部が落葉広葉樹林帯，北部は針葉樹林帯（タイガ）となっているが，落葉広葉樹林帯を冷温帯，針葉樹林帯を冷帯と区別することも多い。

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