1 -,*+, /,+-,,, - * + +,*++ -* m 3** +,** m GPS + -* cm + +,**3,1 m ** m,*+*,*++ GPS + +* cm, : Key words: glacier, perennial snow patch, Mts Tateyama, Mt Tsurugi, glacier flow + -,**2 Flint, +31+,**/ +3-+ ; +3,3 +3-- +30 ; +30 ; +31+ ; +32- +3/3 +312 +333 +302 ; Kawashima et al, +33- +303 + 3-* +*/ 02 +30 * m
214 1 -,*+, +321 +303 +33* +30 + C +31/ +1** S K Yoshida et al, +33* S K + -* cm S K Ono et al,**- +310 +312 Ohmura et al +33,,31* m - +312, -0-2 N Kobayashi +-1-1 E -0-1 / N +-1-2 E +3/2 ; Ono, +32 +33+ ; +321-0- / N +-1-1 / E + Hoshiai and Kobayashi +3/1 Kobayashi +3/2,/0+ m *** m, *+1 km, a,*** m,-** m +,** m,** m +31- ;,* +31- ; +320,* m +* +32*, a +33*, * +- km -* m + +1** m +32- ; +320 ; Yamamoto and Yoshida,,** m +0** m +** m
1 -,*+, 215 +, - a:,**, +* /,/,* -* m +* b:,**3 3 + - -**- m, *+ km, b -,/** m -+,2** m 1** m -** m,* +/,* m GSSI +* SIR-***,1* MHz
216 1 -,*+, +,**3 3 +1 +2,*+*,*++ + cm,*++ 0,*++ 0 cm,*+* / - m GSSI Ra- /* cm dan 00 -,1 cm mms cm + +2, / GPS,*++ -, / +02 m ms Leica Geosys- + + tems TC-*1 GPS Ashtech ProMark - Kinematic + +* cm Pentax OP-,* cm TIO WG-m,*++ +* +2 +3 3*, 1,*++ 3 2 +*, 0,*++ 3 +2 +* +1,3 -, 2 3 GPS ProMark - + Static GPS + 0,1 /, +/,* m GPS -* m 3** m -a, m :,*+* 2,3 3,/,1,,*+* 2 -* +* a, b 2-3,*++ 3 0 +*,2 /, 0 :,*++ 3 +1 +* +2 -+, :,*++ 3 +2 +* +3 -+ -a,,*+* - m, m,*++ 0 m b a GPS
1 -,*+, 217 a:,*++ +* +3 b: -, m,*++ +* a:,*++ 0 / +3 c:,*++ +* +2 b:,*++ 0 c:,**3 3 +1 +2 b 12 +, - m -* m +, c Kawashima +331 c -c,,- m,** m,1 m 0 ** m +/,/ m / m * m +,** m - -c
218 1 -,*+, 0 +* +1 / b / a:,*++ + -+ cm, b:,*++ cm c:,*+* / b d:,*++ TS,3 0 / m,*+* -3 0 ++ cm / c,*++ /, +32- ; +320 13 cm / d,*+*,,*++ GPS + -, / c / d cm +1 cm,*++ / a /, 01 cm
1 -,*+, 219 + +33* + ma + +/** m AX *+* Ageta et al, +32* +332 +333 + +/** m +,*+* Martial /** m +32 + and Iturraspe,,**1 1 +*, / d +332 +2 GPS +2 / d 0, *, km 0 + 3 m a Fujita et al,,**+,**2,**3 + + 1 -ma +332,- -, m a Strelin, -ma 1 / /+,*++ -* m 3** +,** m,**3,- m,** m -* m,*++,1 m ** m,*+*,*++ GPS + + +* cm -* cm,
220 1 -,*+,, + + /, - ma + Muravyev, +333 2 Muravyev, +333,2** m,**3 1** m,1 m ** m,**, // /0 /,*+*,*++,*** m + +* cm,**,, - 0 -,0** m,*** m -110 m +2** m - +2** m 0 +,*++ -* m 3** m * m +,** m,,*++ GPS + -* cm
1 -,*+, 221,,,-,-, : ++*,/** : A +3-* +3,3 : ++,,01,2, +3--:,2 +3-,2, +303: -/1 *2 +3/3: 30 +*,*++: -21pp +320 :,,1, pp mation processes from firn to ice in a perennial snow patch Ann Glaciol, +2, ++1 +,, Ageta, Y, T, Ohata, Y Tanaka, K Ikegami and K +31- : +2,3 Higuchi, +32* : Mass balance of glacier AX*+* in -1 Shorong Himal, east Nepal during the summer Kobayashi, K ( +3/2) Quaternary Glaciation of the monsoon season Seppyo, + Special Issue, - + Japan Alps Journal of the Faculty of Liberal Arts Flint, R F, +31+ : Glacial and Quaternary Geology and Science, Shinshu University, Part,, Natural Wiley, New York, 23, pp science 2, +-01 +33* : +332: 0* 1 / +310: A -2 ++/ +,0 +- +* Muravyev, YD, +333: Present-day glaciation in Fujita, K, T Kadota, B Rana, RB Kayastha and Y Kamchatka-Distribution of Glaciers and Snow- Ageta,,**+: Shrinkage of Glacier AX*+* in Sho- Cryospheric Studies in Kamchatka II, Inst Low rong region, Nepal Himalayas in the +33* s Bulletin Temp Sci, Hokkaido Univ, Sappro, +1 of Glaciological Research, +2, /+ / +31/ : +33* : VI +31, --, +-/ +3 A +2+ pp,**2: II +31+ : +301 +01 +20 -,, +,3 +0 +30 : Hoshiai, M and K Kobayashi, +3/1 : A theoretical /- discussion on the so-called snow line, with refer- Ohmura, A, P Kasser, and M Funk, +33, : Climate at ence to the temperature reduction during the Last the equilibrium line of glaciers J Glaciol, -2, -31 Glacial Age in Japan Japanese Journal of Geology ++ and Geography,,2, 0+ 1/ Ono, Y, +32 : Late glacial paleoclimate recon- +33* : structed from glacial and periglacial landforms in Japan Geogr Rev Japan, /1B, 21 +** Ono, Y, +33+ : Glacial and periglacial paleoenviron Kawashima, K, +331: Formation processes of ice body revealed by the internal structure of perennial snow patches in Japan Bulletin of Glacier Research, +/, ++* Kawashima, K, T Yamada and G Wakahama, +33-: Investigation of internal structure and transfor-
222 1 -,*+, ments in the Japanese Islands -*,,*-,++ +302: - Ono, Y, T Shiraiwa and D Liu,,**-: Present and,0,+/,,3 last-glacial equilibrium line altitudes (ELAs) in the Yamamoto, K and M Yoshida, +321: Impulse radar Japanese high mountains Zeitschrift für Geomorphologie, sounding of fossil ice within the Kuranosuke per- Neue Folge Supplement, +-*,,+1,-0 ennial snow patch, central Japan Ann Glaciol, 3, +3-+ :,+2,,* 1 1-11,**/: +320:,11,21 2 + 3,**,: +321: +++,/,3/ -*- 10 2/ +30 : Strelin, J and R Iturraspe,,**1: Recent evolution and mass balance of Cordon Martial glaciers, Cor- -/ / dillera Fueguina Oriental Global and Planetary Change, /0, +1,0 +32-:,*+*: /,/ -,,**3 Yoshida, M, K Yamamoto, K Higuchi, H Iida, T,3 / 2 Ohata and T Nakamura, +33* : First discovery of +312 : fossil ice of +*** +1** year B P in Japan J Glaciol, * + 3, -0,,/2,/3 +333: +31+ +332,20 pp +31- : +/ pp Identifying active glaciers in Mt Tateyama and Mt Tsurugi in the northern Japanese Alps, central Japan + + Kotaro F UKUI * and Hajime IIDA + Tateyama Caldera Sabo Museum 02 Ashikuraji-bunazaka, Tateyama-machi, Toyama 3-* +*/ * Corresponding author Abstract: Japanese glaciologists and geographers believed that there are no active glaciers in Japan We studied the surface flow velocity and ice thickness of the Gozenzawa perennial snow patch in Mt Tateyama (-*+/ m asl), and the Sannomado and the Komado perennial snow patches in Mt Tsurugi (,333 m asl) in the northern Japanese Alps, central Japan, since,**3 The Sannomado and the Komado perennial snow patches have large ice masses ( -* m in thickness) We measured + the surface flow velocity and found that both the ice masses had flowed over -* cm month in the autumn of,*++ Hence, we regard both the snow patches as active glaciers The Gozenzawa perennial snow patch too has a large ice mass (,1 m in thickness) We measured the surface flow + velocity and found that the ice mass had flowed slightly ( +* cm month ) in the autumns of,*+* and,*++ Hence, we regard this snow patch also as an active glacier,*+, +,,,*+, - +,,*+, - -+,*+, +,*+, ++ +/