Hideki NARITA

Tomomi YAMADA

ナリタ ヒデキ

ヤマダ トモミ

National Institute of Polar Research Repository

vn. SNOW TEMPERATURE AT 10 METERS BELOW THE SURFACE IN MIZUHO PLATEAU IN 1972-1973 Tomomi YAMADA* and Hideki NARITA* Snow temperature at a depth of 10 m was measured at 9 sites in Mizuho Plateau in 1972 - 1973 (JARE-12 and -13). A thermistor-thermometer which had been calibrated with a standard thermometer at Syowa Station was placed in a vertical hole, 10 m deep, bored with a SIP RE-type hand auger. The thermometer was read 4 - 8 hours after setting, when a thermal equirib­lium was o�tained. The accuracy of the measurement was ± 0 .5°C. The results are given in Table 1 . Table 1. Snow temperature at 10m depth in Mizuho Plateau in 1972-1973. Location Station Latitude Longitude Altitude Temperature Date (S) (E) (m) (OC) Mizuho Camp 70°42' 44°18' 2169 -34.4 Jan .13, 1972 Z 40 70 20 43 37 2020 -31.1 Jan. 20, 1972 S122 70 01 43 07 1853 :..28. 7 Jan . 21 , 197 2 S 90 69 28 42 42 1560 -25.1 Jan .22, 1972 S 50 69 04. 41 35 1215 -21.8 Jan . 24, 197 2 S 16 69 02 40 03 553 -14. 7 Jan . 25 , 197 2 **M 5 404 -13.4 Jan .27, 1972 Mizuho 44°18' Camp 70°42' 2169 -32.7 May 22,1972 (8.Sm) S122 70 01 43 07 1853 -27.4 Jan. 24, 1973 H228 - - - -25.0 Jan .25, 1973 H128 - - - -20.8 Jan .26, 1973 ** MS : about 5 km west of S 16 (See Fig .1 of the Report I ). Observer T. Yamada H.Narita * The Institute of Low Temperature Science, Hokkaido University, Sapporo. -145-

VII. SNOW TEMPERATURE AT 10 METERS BELOW THE SURFACE IN MIZUHO PLATEAU IN 1972-1973

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VII. SNOW TEMPERATURE AT 10 METERS BELOW THE SURFACE IN MIZUHO PLATEAU IN 1972-1973

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