Developing an ice strength algorithm for sub-Arctic regions

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TypeTechnical Report
Series titleTechnical Report; no. CHC-TR-023
AbstractThis study, the first year of a two-year study, was undertaken to determine whether the algorithm that is used to describe the seasonal decrease in strength of landfast, first-year ice in the high Arctic can also be used for sub-Arctic first-year ice. The strength algorithm is the basis of the Ice Strength Charts issued by Canadian Ice Service. The method used to formulate an Ice Strength Algorithm for the high Arctic and its applicability for sub-Arctic ice are discussed. The report outlines the steps taken to develop the strength algorithm for sub-Arctic areas. Relevant data on the properties of sub-Arctic ice are compiled and an approach for including sub-Arctic regions in future Ice Strength Charts is suggested. Emphasis is given to level first-year ice along the Labrador coast and in Hudson Bay.
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AffiliationNational Research Council Canada; NRC Canadian Hydraulics Centre
Peer reviewedNo
NRC numberCHC-TR-023
NPARC number12329076
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Record identifiera8b34fc6-0708-4f0f-a349-f7e6b0180d2f
Record created2009-09-10
Record modified2016-10-03
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