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Title: Spring breakup of the Delta River, Alaska
Authors: United States. Army Arctic Test Center.
Slaughter, Charles W.
Samide, H. R.
Keywords: Delta River, Alaska
Air temperature
River ice
Snow breakup
Ice breakup
Spring ice breakup
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 155.
Description: Special Report
Abstract: Spring "breakup" of snow and ice on the Delta River, Alaska, was monitored in 1967. Breakup on this braided river was a relatively calm event, with gradual development of open-water channels from headwaters to mouth. Air temperature data at Big Delta, near the mouth of the river, indicated an accumulation of 30 positive degree-days (°F) above 32°F, using mean daily values, prior to first observation of continuous open water from headwaters to mouth; a corresponding value, but using maximum daily air temperatures, was 224 degree-days (°F). A photographic sequence of breakup at several points along the river ls included.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Special Report

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