Active channel mapping for the mainstem Willamette River, Oregon, in 2009
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The active channel of the Willamette River in western Oregon is the portion of the floodplain that regularly conveys water and bed-material sediment (typically sand...
俄勒冈州西部的威拉米特河（Willamette River）活动河道，是河漫滩中定期输水并输送床沙沉积物（通常为砂……
