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Earth Planets Space, Vol. 56 (No. 12), pp. 1191-1194, 2004

Geothermal gradient and heat flow data in and around Japan (I): Appraisal of heat flow from geothermal gradient data

Akiko Tanaka1, Makoto Yamano2, Yusaku Yano1, and Masakatsu Sasada1

1Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, AIST Tsukuba Central 7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567, Japan
2Earthquake Research Institute, University of Tokyo, Japan

(Received May 31, 2004; Revised October, 19, 2004; Accepted November 3, 2004)

Abstract: We published a CD-ROM "Geothermal Gradient and Heat Flow Data in and around Japan" (Tanaka et al., 2004a), which includes values of heat flow and geothermal gradient data. This compilation was intended to improve the understanding of variations in the thermal regime in and around Japan. Our current knowledge of the heat flow distribution can be increased by including information derived from geothermal gradient data contained in this compilation. In southern Kyushu, the pattern of heat flow is significantly modified by incorporation of estimates of heat flow from geothermal gradient data.
Key words: Heat flow, geothermal gradient, compilation, thermal regime, Japan.


Corresponding author E-mail: akiko-tanaka@aist.go.jp


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