Title
Author(s)
Citation
Meteorological Data Report at Chaivo, northern Sakhalin,
November 2001 - October 2002
SHIRASAWA, Kunio; ISHIKAWA, Masao; TAKATSUKA,
Toru; DAIBO, Takaharu; ENOMOTO, Hiroyuki;
Polomoshnov, Anatoly; Sourkov, Guennadi; Kalinin, Erwin
低温科学. 物理篇. 資料集 = Low temperature science. Series
A, Physical sciences. Data report, 61: 51-63
Issue Date 2003-03-29
DOI
Doc URL http://hdl.handle.net/2115/18836
Right
Type bulletin
Additional
Information
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Information
61̲p51-63.pdf
Instructions for use
Hokkaido University Collection of Scholarly and Academic Papers : HUSCAP

Kunio SHIRASAWA, Masao ISHIKAWA, Tohru TAKATSUKA, Takaharu DAIBOU,
Hiroyuki ENOMOTO, Anatoly POLOMOSHNOV, Guennadi SOURKOV and Erwin
KALININ 2002 Meteorological Data Report at Chaivo, northern Sakhalin,
November 2001- October 2002. Low Temperature Science, Ser. A, 61. Data Report.
Meteorological Data Report at Chaivo, northern Sakhalin,
November 2001 - October 2002 ',"
Kunio SHIRASAW A, Masao ISHIKAWA, Tohru TAKATSUKA, Takaharu DAIBOU
(Institute of Low Temperature Science, Hokkaido University),
Hiroyuki ENOMOTO
(Kitami Institute of Technology, Kitami) and
Anatoly POLOMOSHNOV, Guennadi SOURKOV and Erwin KALININ
(Sakhalin Oil and Gas Institute, Okha, Sakhalin, Russia)
(Received February 2003)
Abstract: Observations of meteorological and sea-ice variables were carried out at
Chaivo, northern Sakhalin during the period from November 2001 to October 2002, as part of the Japan-Russia cooperative research project "Sea Ice Studies off the Okhotsk
Sea Coast of Sakhalin". Time series data of wind, air and surface temperatures, humidity, solar radiation and atmospheric pressure were summarized in this report.
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Key words: Meteorological variables, sea ice, Chaivo, northern Sakhalin, Sea of
Okhotsk
=\=--!7-r:~~~*, ffl7k, 7-\"-1*, ~t-lT/'V/, ;;f*~Y:7ffl
* ~3970%

52 Kunia SHIRASAWA et a1.
I. Introduction
As part of the Japan-Russia cooperative research project, "Sea Ice Studies off the
Okhotsk Sea Coast of Sakhalin", observations of meteorological and sea-ice variables were carried out at Chaivo, northern Sakhalin (Fig. 1) during the period from
November 2001 to October 2002 to characterize atmospheric variables and sea-ice formation in northern Sakhalin throughout all the year round. Time series of air and surface radiative temperatures, humidity, wind speed and direction, radiation and atmospheric pressure obtained at an automatic weather station of the Chaivo Research
Station (Figs. 2 and 3), located near the shore of Kleye Strait are shown in this report.
Prior to this study, field experiments of meteorological and sea-ice studies had been carried out at the Chaivo Research Station since 1992, as part of the Japan-Russia cooperative research project, "Sea Ice Studies off the Okhotsk Sea Coast of Sakhalin".
Some of the meteorological variables and sea-ice characteristics obtained from this project were reported in Shirasawa et al. (1994, 1996, 1998, 2000 and 2001).
II. Meteorological variables at Chaivo Research Station
The Chaivo Research Station (52
0
21.50'N, 143
0
11.93'E) is located near the shore of Kleye Strait, which links Chaivo Bay to the Sea of Okhotsk (Fig. 1). The Chaivo
Research Station has been operated all the year round by the Sakhalin Oil and Gas
Institute. An automatic weather station (Data Logger SQ-1201, Grant Instruments Ltd.) was installed on the roof of Chaivo Research Station about 6 m high from the ground in order to obtain general meteorological variables such as air temperature, humidity, wind speed and direction, radiation and atmospheric pressure through all the year round (Fig. 2). Two radiative temperature sensors (Tasco Co., Ltd.) were also installed at the edge of the shore near the station (Fig. 3). One sensor being faced to the sea surface to measure the surface temperature, the other was faced to the sky to measure the diffuse sky temperature.
Time series records of air temperature at 1 m, humidity at 1 m, wind speed and direction at 2.1 m and radiation at 0.85 m height from the roof of Chaivo Research
Station (at 7 m high from the ground) are shown in Fig. 4. An atmospheric pressure sensor was installed in the cabin of the station. The maximum air temperature was observed at about 28 0 C on 18 July 2002, and the minimum temperature was about

Meteorological Observations at Northern Sakhalin 53
-32 o C on 15 January 2002. The relatively stronger winds over 15 m/s were observed at mid-December 2001, mid-April and mid-October 2002. Wind roses for each month from November 2001 through October 2002 are shown in Fig. 5.
In this report the time is used in the Japanese Standard Time (JST). The wind direction is used in reference to the magnetic north, which is deviated 14 0 from the true north. The threshold value of wind speed is used as 0.3 m/ s.
Acknowledgements
We wish to thank all staff at the Chaivo Research Station for their assistance and effort in the field and laboratory. Funding for this work was partly obtained from the
Japanese Ministry of Education, Science and Culture (Monbusho) through the Sea Ice
Research Laboratory's Overseas Field Work Program.
References
Shirasawa, K., Ikeda, M., Ishikawa, M., Takatsuka, T., Kodama, Y., Aota, M., Takahashi,
S., Takizawa, T., Polomoshnov, A., Truskov, P., and Astafiev, V. (1994)
Meteorological Data Report for the Sea Ice Studies off the Okhotsk Sea Coast of Sakhalin. Low Temperature Science, Ser. A., 53. Data Report. 165-256.
Shirasawa, K., Ikeda, M., Ishikawa, M., Takatsuka, T., Kodama, Y., Aota, M., Takahashi,
S., Takizawa, T., Polomoshnov, A., Truskov, P., and Astafiev, V. (1996)
Meteorological Data Report for the Sea Ice Studies at Val, Chaivo and Kleye
Strait, northern Sakhalin. Low Temperature Science, Ser. A" 55. Data Report.
137-203.
Shirasawa, K., Ishikawa, M., Takatsuka, T., Ikeda, M., Daibou, T., Kodama, Y., Aota, M.,
Enomoto, H., Takizawa, T., Polomoshnov, A., Truskov, P., and Astafiev, V.
(1998) Meteorological Data Report at Chaivo, northern Sakhalin, August 1995
- August 1998. Low Temperature Science, Ser. A" 57. Data Report. 1-18.
Shirasawa, K., Ishikawa, M., Takatsuka, T., Ikeda, M., Daibou, T., Kodama, Y., Aota, M.,
Enomoto. H., Takizawa, T., Polomoshnov, A., Truskov, P., and Astafiev, V.
(2000) Meteorological Observations at Schmidt, northern Sakhalin, August
1995 August 1998. Low Temperature Science, Ser. A., 59. Data Report. 51-83.

54 Kunio SHIRASAWA et a1.
Shirasawa, K., Ishikawa, M., Takatsuka, T., Ikeda, M., Daibou, T., Kodama, Y., Aota, M.,
Enomoto. H., Takizawa, T., Polomoshnov, A, Truskov, P., and Astafiev, V.
(2001) Meteorological Data Report at Chaivo, northern Sakhalin, September
2000 - November 2001. Low Temperature Science, Ser. A" 60. Data Report. 55-68.

Meteorological Observations at Northern Sakhalin 55
Sea of
Fig.1 Study area.
I
10km
,

56 Kunio SHIRASAWA et a1.
Fig. 2 An automatic weather station installed at Chaivo Research Station.
Fig. 3 Surface radiative temperature sensors installed at the edge of the shore at Kleye Strait near Chaivo
Research Station.

Chaivo,Sakhalin (Time:JST)
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Fig.4 Daily values of air and surface temperatures, humidity, wind speed, incoming radiation and atmospheric pressure during the period from November 2001 to October 2002 at Chaivo Research Station.
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Meteorological Observations at Northern Sakhalin
N
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W f---+---f"'ffi s
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E
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W I--+-+---N s
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Fig. 5 Wind roses for each month from November 2001 through October 2002 at Chaivo
Research Station.