Spatial and temporal variability of shoreline change in the Beaufort-Mackenzie region, northwest territories, Canada

被引：0
|
作者：
Steven M. Solomon
机构：
[1] Geological Survey of Canada,
[2] Natural Resources Canada,undefined
来源：
Geo-Marine Letters | 2005年 / 25卷
关键词：
Retreat Rate; Storm Surge; Coastal Change; Thermokarst Lake; Geographic Resource Analysis Support System;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Aerial photographs from 1972, 1985 and 2000 were analyzed to obtain measurements of coastal change in the Mackenzie Delta region of the Beaufort Sea. Changes from 1972 to 2000 are dominated by retreat of the shoreline with average annual retreat rates of −0.6 m a−1, but ranging as high as −22.5 m a−1. Rates vary significantly both between and within zones of similar exposure, morphology and coastal geology with the highest average rates located in areas that are most exposed to northwest winds. In general, decadal-scale rates of change have remained constant during the 28 years encompassed by this study.
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页码：127 / 137
页数：10
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