Coastal Mountain Range

Japanese: 海岸山脈 - かいがんさんみゃく
Coastal Mountain Range
(1) Coast Mountains A mountain range that stretches from northwestern British Columbia, Canada, to Alaska, USA. It is about 1,600 km long. It runs parallel to the Pacific coast, bordering the St. Elias Mountains in the Yukon to the north and the Cascade Mountains to the south. The west side of the range drops sharply in elevation toward the Pacific coast, and is cut into many fjords from the coast. Many mountains are over 3,000 m high, including the highest peaks Mount Waddington (4,042 m) and Mount Queen Bess (3,289 m), and are concentrated around 52° north latitude in the south. In the north, the range is about 1,200 m high and is mainly composed of granite. Many mountain glaciers can be seen, mainly around 50° to 52° north latitude, and the foothills are covered with coniferous forests. Garibaldi Provincial Park and Twismuir Provincial Park are located here.
(2) Coast Ranges A mountain range in the United States that stretches from the central west of Washington to the Transverse Mountains of California. It stretches more than 1,600 km from north to south and runs parallel to the Pacific coast. To the east, it is separated from the higher mountains of the Cascades and Sierra Nevada by the Puget Sound lowlands of Washington, the Willamette River valley of Oregon, and the Central Valley of California. The coastal plain to the west is very narrow. The average elevation is about 1,000 m, and in high places it is over 2,000 m. This region is prone to earthquakes and landslides, especially in the south. The climate is characterized by cool, dry summers in the north and mild, wet winters. From north to south, it becomes drier, and the winter precipitation varies more. The forest areas along the coast of southern Oregon and northern California are covered with redwood, and inland they are mixed forests of broadleaf and coniferous trees.

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

Japanese:
(1) Coast Mountains カナダ,ブリティシュコロンビア州北西部からアメリカ合衆国,アラスカ州にまたがる山脈。南北約 1600km。太平洋岸に並行しており,北側はユーコン地方でセントエライアス山脈に接し,南はカスケード山脈につながる。西側は太平洋岸に向かい急に高度を減じ,海岸からは多くのフィヨルドに刻み込まれている。最高峰のウォディングトン山(4042m)やクイーンベス山(3289m)など 3000m以上の山が多く,特に南部の北緯 52°付近に集中している。北部では標高 1200m程度となり,主として花崗岩で構成される。北緯 50°~52°付近を中心に多くの山岳氷河がみられ,山麓部は針葉樹林帯となっている。ガリバルディ州立公園やツイズミュア州立公園がある。
(2) Coast Ranges アメリカ合衆国,ワシントン州中西部からカリフォルニア州のトランスバース山脈にまたがる山脈。南北 1600km以上に及び太平洋岸に並行する。東側はワシントン州のピュージェット湾低地,オレゴン州のウィラメット川の渓谷,カリフォルニア州のセントラルバレー(→グレートバレー)により,カスケード山脈やシエラネバダ山脈といった高い山々と分離される。西側の海岸平野はとても狭い。平均標高は約 1000m,高いところでは 2000m以上になる。この地域は,特に南部では地震や地滑りの影響を受けやすい。気候は,北部では涼しく乾燥した夏と,穏やかで多湿な冬が特徴的である。北から南に行くに従って乾燥し,冬期の降水量の変動は大きくなる。オレゴン州南部とカリフォルニア州北部の海岸に沿った森林地帯はアメリカスギに覆われ,内陸部では広葉樹と針葉樹の混交林となっている。

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