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Title: 昭和南海地震前に井水異常が報告された地点での地下水観測-データセットの構築-
Other Titles: Observations of groundwater in areas reported with the anomalous changes of water levels of wells prior to Showa Nankai Earthquake―Construction of data set―
Authors: 尾上, 謙介  KAKEN_name
梅田, 康弘  KAKEN_name
重富, 國宏  KAKEN_name
浅田, 照行  KAKEN_name
細, 善信  KAKEN_name
近藤, 和男  KAKEN_name
Author's alias: ONOUE, Kensuke
UMEDA, Yasuhiro
ASADA, Teruyuki
HOSO, Yoshinobu
KONDO, Kazuo
Keywords: 井戸
Altitude of water level of well
Sea level
Data set
Issue Date: 1-Apr-2005
Publisher: 京都大学防災研究所 / Disaster Prevention Research Institute Kyoto University
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute annuals. B
Volume: 48
Issue: B
Start page: 185
End page: 190
Abstract: 昭和南海地震発生の数日前から直前にかけて紀伊半島から四国の太平洋沿岸部において井戸の水位低下および水涸れが報告されている。これらの井戸の水位低下についてのメカニズムを解明することが次の南海地震の予知の手掛かりになると考えられる。このことを目的に,井戸水位低下が報告された地点を中心に多くの井戸で水位観測を行った。同時に水準測量をおこなって海水準からの井戸の水位標高を得た。ここでは水位標高と海水の潮位変化,さらには降水量を含むデータセットの構築について報告する。データセット構築は今後の地下水変化のモニタリングのために重要であると考えられる。
In Kii peninsula and Shikoku island along the Pacific seaboard, water of some wells decreased or dried up prior to Showa Nankai earthquake. If the mechanism of these phenomena are to be made clear, preseismic slip on the fault prior to Nankai earthquake will be explained and we will be able to get useful method for predicting Nankai earthquake. In order to research ground water in areas reported with an anomalous phenomena prior to the Showa Nankai earthquake, we started observations of water level of some wells in these areas from 2001. We knew to correlate water level of wells with sea level and water level of wells are higher than sea level. Umeda(2003) from research of ground water proposed model for explaining the mechanism of decrease of well’s water. In this paper, we report construction of data set based on observations of water levels and water temperature of wells, sea level and precipitation for monitoring changes of the ground water.
Appears in Collections:No.48 B

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