Author(s): T. Kawamura; K. Shirasawa; M. Ishikawa; T. Takatsuka; T. Daibou; M. Lepparanta
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Abstract: Lake Saroma is a semi-enclosed embayment connected with two openings to the Sea of Okhotsk. River water inflow causes a gradual change in the salinity of the lake water body providing excellent conditions to study the role of salt in freezing processes. Sea ice studies have been conducted at five points on a line from a river mouth to one opening since 1997. One aim is to clarify the annual variation of the sea ice structure and the contribution of snow to the sea ice growth. The snow and sea-ice thickness data suggests the shore would cause spatial variations. The ice structure shows a significant annual variability, which strongly depends on the surface seawater condition. Different ice thickening processes were found from structural and oxygen isotopic observations.
Year: 2004