Fraser Lowland (original) (raw)
弗雷泽低地(英語:Fraser Lowland)是北美太平洋西北地区的一个地貌和自然地理区,横跨加拿大不列颠哥伦比亚省的西南部和美国华盛顿州霍特科姆县西部,涵盖不列颠哥伦比亚低陆平原的绝大部分(不包括北端与海岸山脉相接的山麓地区和东南部维德渡口上游的奇利瓦克河谷)和华盛顿州北喀斯喀特山脉以西的沿海平原。弗雷泽低地在地质上是喬治亞窪地的一部分。 弗雷泽低地的名称来源于北部的弗雷泽河,因为低地大部分面积属于弗雷泽河下游各个支流(主要是匹特河、科奎特勒姆、维德/奇利瓦克河下游,以及苏马斯河全程)的流域;但其在美加边境以南的地区其实是源自北喀斯喀特山脉的下游流域的冲积平原,整个低地其实是这两大水系下游和之间诸多小河流(比如蛇形河、尼克美克河、坎贝尔河、达科塔溪、加利福尼亚溪、特雷尔溪、卢米河等)周边的低海拔洪泛平原的结合。
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dbo:abstract | The Fraser Lowland is a landform and physiographic region in the Pacific Northwest of North America, shared between the Canadian province of British Columbia and the U.S. state of Washington. The region includes much of the Lower Mainland region of British Columbia, and the coastal plains of Washington's Whatcom County. As a physiographic region, the Fraser Lowland is part of the Georgia Depression, which in turn is part of the Coastal Trough. The eponymous Fraser River in the Lowland's north and the lower basins of its tributaries (mainly the Pitt River, Coquitlam River and Vedder/Chilliwack Rivers), as well as the entire catchment of the oppositely flowing Sumas River, are the Lowland's primary river system. However, the region also includes the lower Nooksack River basin ("Nooksack Lowland") south of the Canada–US border, which belongs to a completely separate river system arising from the southeast in the namesaked valleys around the North Cascades' Mount Shuksan, Baker and Twin Sisters. Overall, the Fraser Lowland encompasses all the fertile low-lying fluvial plains between and around the Fraser and Nooksack rivers, including the Sumas Prairie, the Burrard Peninsula, and sometimes also the North Shore lowlands around the Burrard Inlet. The American pene-exclave of Point Roberts lies to the region's west, at the southern end of the Tsawwassen peninsula. (en) Las Tierras Bajas del Fraser son un relieve y una del noroeste del Pacífico de Norteamérica, compartida por la provincia canadiense de Columbia Británica y el estado estadounidense de Washington. La región incluye gran parte de la región de Lower Mainland (Tierras bajas continentales) de Columbia Británica y las llanuras costeras del condado de Whatcom en Washington. Como región fisiográfica, las Tierras Bajas de Fraser forman parte de la Depresión de Georgia, que a su vez forma parte de la Fosa Costera. El río Fraser, del mismo nombre, en el norte de las Tierras Bajas, y las cuencas bajas de sus afluentes (principalmente los ríos Pitt, Coquitlam y Vedder/Chilliwack), así como toda la cuenca del , constituyen el principal sistema fluvial de las Tierras Bajas. Sin embargo, la región también incluye la cuenca baja del ("Nooksack Lowland") al sur de la ., que pertenece a un sistema fluvial completamente separado que surge del sureste en los valles con nombre alrededor de los , Baker y Twin Sisters de las Cascadas del Norte. En general, las Tierras Bajas del Fraser abarcan todas las fértiles llanuras fluviales de baja altitud situadas entre los ríos Fraser y Nooksack y en torno a ellos, incluida la pradera de Sumas, la península de Burrard y, a veces, también las tierras bajas de la costa norte en torno a la ensenada de Burrard. El exclave americano de Point Roberts se encuentra al oeste de la región, en el extremo sur de la . (es) 弗雷泽低地(英語:Fraser Lowland)是北美太平洋西北地区的一个地貌和自然地理区,横跨加拿大不列颠哥伦比亚省的西南部和美国华盛顿州霍特科姆县西部,涵盖不列颠哥伦比亚低陆平原的绝大部分(不包括北端与海岸山脉相接的山麓地区和东南部维德渡口上游的奇利瓦克河谷)和华盛顿州北喀斯喀特山脉以西的沿海平原。弗雷泽低地在地质上是喬治亞窪地的一部分。 弗雷泽低地的名称来源于北部的弗雷泽河,因为低地大部分面积属于弗雷泽河下游各个支流(主要是匹特河、科奎特勒姆、维德/奇利瓦克河下游,以及苏马斯河全程)的流域;但其在美加边境以南的地区其实是源自北喀斯喀特山脉的下游流域的冲积平原,整个低地其实是这两大水系下游和之间诸多小河流(比如蛇形河、尼克美克河、坎贝尔河、达科塔溪、加利福尼亚溪、特雷尔溪、卢米河等)周边的低海拔洪泛平原的结合。 (zh) |
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dbp:location | dbr:Canada dbr:United_States dbr:British_Columbia dbr:Washington_(state) |
dbp:name | Fraser Lowland (en) |
dbp:partOf | dbr:Georgia_Depression |
dbp:photo | The Big Muddy, Western Edition .jpg (en) |
dbp:photoCaption | Landsat image of the Fraser Lowland, which stretches from Chilliwack in the northeast to the Strait of Georgia in the southwest. Sediment deposited by the Fraser River is clearly visible. (en) |
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gold:hypernym | dbr:Landform |
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rdfs:comment | 弗雷泽低地(英語:Fraser Lowland)是北美太平洋西北地区的一个地貌和自然地理区,横跨加拿大不列颠哥伦比亚省的西南部和美国华盛顿州霍特科姆县西部,涵盖不列颠哥伦比亚低陆平原的绝大部分(不包括北端与海岸山脉相接的山麓地区和东南部维德渡口上游的奇利瓦克河谷)和华盛顿州北喀斯喀特山脉以西的沿海平原。弗雷泽低地在地质上是喬治亞窪地的一部分。 弗雷泽低地的名称来源于北部的弗雷泽河,因为低地大部分面积属于弗雷泽河下游各个支流(主要是匹特河、科奎特勒姆、维德/奇利瓦克河下游,以及苏马斯河全程)的流域;但其在美加边境以南的地区其实是源自北喀斯喀特山脉的下游流域的冲积平原,整个低地其实是这两大水系下游和之间诸多小河流(比如蛇形河、尼克美克河、坎贝尔河、达科塔溪、加利福尼亚溪、特雷尔溪、卢米河等)周边的低海拔洪泛平原的结合。 (zh) The Fraser Lowland is a landform and physiographic region in the Pacific Northwest of North America, shared between the Canadian province of British Columbia and the U.S. state of Washington. The region includes much of the Lower Mainland region of British Columbia, and the coastal plains of Washington's Whatcom County. As a physiographic region, the Fraser Lowland is part of the Georgia Depression, which in turn is part of the Coastal Trough. The American pene-exclave of Point Roberts lies to the region's west, at the southern end of the Tsawwassen peninsula. (en) Las Tierras Bajas del Fraser son un relieve y una del noroeste del Pacífico de Norteamérica, compartida por la provincia canadiense de Columbia Británica y el estado estadounidense de Washington. La región incluye gran parte de la región de Lower Mainland (Tierras bajas continentales) de Columbia Británica y las llanuras costeras del condado de Whatcom en Washington. Como región fisiográfica, las Tierras Bajas de Fraser forman parte de la Depresión de Georgia, que a su vez forma parte de la Fosa Costera. (es) |
rdfs:label | Fraser Lowland (en) Tierras Bajas del Fraser (es) 弗雷泽低地 (zh) |
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