Study on the Distribution of the Sea Ice over the Sea of Okhotsk and the Bering Sea

Okumura, Tsugukazu; Futamura, Akira; Iwasaka, Naoto; Otsuka, Kiyotoshi

doi:10.9749/jin.108.85

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Simulation Of Sea Ice Effect1

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2005

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“…"1972-1994 Arctic and Antarctic Sea Ice Data", which was compiled and distributed by the National Ice Center (NIC), the United States of America, was used to compute a climatological mean seasonal sea ice distribution and its evolution around the Antarctic. The original NIC dataset, in which the weekly mean was given for every calendar week, was processed to form 7-day mean dataset computed for every 7-day period beginning from January 1st every year by Okumura et al (2003) 6) . The last one or two days of each year were ignored in the process.…”

Section: Simulation Of Sea Ice Effectmentioning

confidence: 99%

A simulation of Argo float distribution in the Southern Ocean

Okumura

Iwasaka

Oka³

2005

JAMSTEC Rep. Res. Dev.

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Spatial distribution of the Argo floats in the Southern Ocean was simulated based on an output of a high resolution ocean general circulation model. Giving initial uniform distribution of the floats, numerical simulations were performed for the parking depths of 2000 m and 1000 m, respectively, with and without sea ice. When the sea ice was ignored, the floats were distributed almost uniformly even four years later but generally showed northward shift. Under sea ice condition, most of the floats were lost south of 62°S one year after the float deployment while most of the floats survived north of 53°S if the sea ice concentration was considered as the survival rate of the float in the corresponding region.

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Section: Simulation Of Sea Ice Effectmentioning

confidence: 99%