Search Results - "Shirasawa, Kunio"

Dependency of the drag coefficient on boundary layer stability beneath drifting sea ice in the central Arctic Ocean by Kawaguchi, Yusuke, Hoppmann, Mario, Shirasawa, Kunio, Rabe, Benjamin, Kuznetsov, Ivan

“…The ice-ocean drag coefficient C w and turning angle θ w are crucial parameters in ice-ocean coupled simulations, determining the transfer of momentum between…”
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Long-term observation of the Soya Warm Current using HF ocean radars: relationship between the Soya Warm Current variability and the sea level anomalies in the Soya/La Perouse Strait by Ebuchi, Naoto, Fukamachi, Yasushi, Ohshima, Kay I., Mitsudera, Humio, Nishioka, Jun, Takatsuka, Toru, Ono, Kazuya, Ishikawa, Masao, Daibo, Takaharu, Shirasawa, Kunio, Wakatsuchi, Masaaki

“…Three high-frequency (HF) ocean radars were installed at the Soya/La Perouse Strait to monitor the surface current fields of the Soya Warm Current (SWC), which…”
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Observational evidence of supercooling and frazil ice formation throughout the water column in a coastal polynya in the Sea of Okhotsk by Ito, Masato, Fukamachi, Yasushi, Ohshima, Kay I., Shirasawa, Kunio

“…This paper examines underwater frazil ice formation in a coastal polynya. In a coastal polynya, the seawater near the ocean surface can become supercooled due…”
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Rapid physically driven inversion of the air–sea ice CO2 flux in the seasonal landfast ice off Barrow, Alaska after onset of surface melt by Nomura, Daiki, Eicken, Hajo, Gradinger, Rolf, Shirasawa, Kunio

“…The air-sea ice CO2 flux was measured over landfast sea ice in the Chukchi Sea, off Barrow, Alaska in late May 2008 with a chamber technique. The ice cover…”
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Sea-ice-thickness variability in the Chukchi Sea, spring and summer 2002–2004 by Shirasawa, Kunio, Eicken, Hajo, Tateyama, Kazutaka, Takatsuka, Toru, Kawamura, Toshiyuki

“…Measurements of sea-ice thickness were obtained from drill holes, an ice-based electromagnetic induction instrument (IEM), and a ship-borne electromagnetic…”
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Direct observations of sea-ice thickness and brine rejection off Sakhalin in the Sea of Okhotsk by Fukamachi, Yasushi, Shirasawa, Kunio, Polomoshnov, Anatoliy M., Ohshima, Kay I., Kalinin, Ervin, Nihashi, Sohey, Melling, Humfrey, Mizuta, Genta, Wakatsuchi, Masaaki

“…From December to June 2002–2003, sea-ice and oceanic data were obtained from moorings near Sakhalin in the west central Okhotsk Sea. Ice draft measured by…”
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Transport of chemical components in sea ice and under-ice water during melting in the seasonally ice-covered Saroma-ko Lagoon, Hokkaido, Japan by Nomura, Daiki, Takatsuka, Toru, Ishikawa, Masao, Kawamura, Toshiyuki, Shirasawa, Kunio, Yoshikawa-Inoue, Hisayuki

“…Physico-chemical properties in the brine and under-ice water were measured in Saroma-ko Lagoon on the northeastern coast of Hokkaido, Japan, which is connected…”
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Under-ice salinity and stable isotope distribution of Saroma-ko Lagoon, Hokkaido, northern Japan by Morimoto, Maki, Kawanobe, Kyoko, Abe, Osamu, Kawai, Takayoshi, Kawamura, Toshiyuki, Shirasawa, Kunio

“…In winter, lakes and lagoons at high altitudes or high latitudes have interesting hydrological cycles that differ from those in other seasons or in other…”
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Seasonal development of the properties and composition of landfast sea ice in the Gulf of Finland, the Baltic Sea by Granskog, Mats A., Leppäranta, Matti, Kawamura, Toshiyuki, Ehn, Jens, Shirasawa, Kunio

“…The seasonal development of the structure, salinity, and stable oxygen isotopic composition (δ18O) of landfast sea ice was studied during the winter seasons…”
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Modelling circulation in an ice-covered lake by Huttula, T, Pulkkanen, M, Arkhipov, B, Leppäranta, M, Solbakov, V, Shirasawa, K, Salonen, K

“…In deep ice-covered lakes with temperatures below 4 °C the heat flux from the bottom sediment results in a horizontal density gradient and a consequent flow…”
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Observation of the Soya Warm Current using HF ocean radar by Ebuchi, Naoto, Fukamachi, Yasushi, Ohshima, Kay I, Shirasawa, Kunio, Ishikawa, Masao, Takatsuka, Toru, Daibo, Takaharu, Wakatsuchi, Masaaki

“…Three High Frequency (HF) ocean radar stations were installed around the Soya/La Perouse Strait in the Sea of Okhotsk in order to monitor the Soya Warm Current…”
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The thickness of coastal fast ice in the Sea of Okhotsk by Shirasawa, Kunio, Leppäranta, Matti, Saloranta, Tuomo, Kawamura, Toshiyuki, Polomoshnov, Anatoli, Surkov, Gennadi

“…The thickness of coastal landfast ice in the Sea of Okhotsk has been examined based on field data and thermodynamic modelling. The study sites were Saroma-ko…”
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Vertical material flux under seasonal sea ice in the Okhotsk Sea north of Hokkaido, Japan by Hiwatari, Takehiko, Shirasawa, Kunio, Fukamachi, Yasushi, Nagata, Ryuichi, Koizumi, Tomoyoshi, Koshikawa, Hiroshi, Kohata, Kunio

“…Downward material fluxes under seasonal sea ice were measured using a time-series sediment trap installed at an offshore site in the Okhotsk Sea north of…”
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The heat budget of Lake Kilpisjärvi in the Arctic tundra by Leppäranta, Matti, Lindgren, Elisa, Shirasawa, Kunio

“…An extensive research programme has been carried through in 2007–2009 on the ice cover geophysics in Lake Kilpisjärvi, located at 69 °03′N 20 °50′E, 473 m…”
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Sea Ice Observation With Oceanographic HF Radar by Zhang, Wei, Ebuchi, Naoto, Fukamachi, Yasushi, Cheng, Feng, Ohshima, Kay I., Emery, Brian M., Toyota, Takenobu, Abe, Hiroto, Shirasawa, Kunio

“…High-frequency (HF) ocean radar has the potential to observe sea ice, but this application has not been thoroughly investigated. In this article, we explore…”
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Radiation transfer and heat budget during the ice season in Lake Pääjärvi, Finland by Jakkila, Juho, Leppäranta, Matti, Kawamura, Toshiyuki, Shirasawa, Kunio, Salonen, Kalevi

“…Lake Pääjärvi, a boreal Finnish lake, was investigated in winter for weather conditions, structure and thickness of ice and snow, solar radiation, and…”
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A treatise on frequency spectrum of drift ice velocity by Leppäranta, Matti, Oikkonen, Annu, Shirasawa, Kunio, Fukamachi, Yasushi

“…Sea ice dynamics is examined for the frequency spectra of ice velocity using mathematical models and ice motion data. The data are from the Baltic Sea and Sea…”
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Effect of silicate enrichment on ice algae at low salinity in Saroma-ko Lagoon, Hokkaido, Japan by Taguchi, Satoru, Smith, Ralph E.H., Shirasawa, Kunio

“…The response of ice algae to low salinity was determined at three levels of silicate enrichment during the winter of 1992 in Saroma-ko Lagoon, Hokkaido, Japan…”
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Nutrient distributions associated with snow and sediment-laden layers in sea ice of the southern Sea of Okhotsk by Nomura, Daiki, Nishioka, Jun, Granskog, Mats A., Krell, Andreas, Matoba, Sumito, Toyota, Takenobu, Hattori, Hiroshi, Shirasawa, Kunio

“…Samples of first-year sea ice, snow and under-ice water were collected in the southern Sea of Okhotsk in mid-February 2007 and 2008 to elucidate the processes…”
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Rapid physically driven inversion of the air–sea ice CO 2 flux in the seasonal landfast ice off Barrow, Alaska after onset of surface melt by Nomura, Daiki, Eicken, Hajo, Gradinger, Rolf, Shirasawa, Kunio

“…The air–sea ice CO 2 flux was measured over landfast sea ice in the Chukchi Sea, off Barrow, Alaska in late May 2008 with a chamber technique. The ice cover…”
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