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Little is known on the quantification on stability and mean residence time of crack water also. We conducted a study on the flow parameter and/or processes of groundwater in cracks by drilling two bore holes for collection of water samples, and analysis using the the multi-isotopic approach. The drill sites have set in a granitic province called Abukuma in Fukushima prefecture, and drill holes 140m- and 180m-deep were made. In situ sampling of waters at 6 depths for each drill holes are done with the single or double packer method. Chemical type of groundwater has changed at depth 40m, the shallower groundwater is categorized as Ca-HCO_3^- type with slight NO_3 contamination whereas deeper groundwater has Na-HCO_3^- type. Bicarbonate concentration becomes greater in deeper level suggesting that older groundwater is placed in deeper cracks. Stable isotope composition of water showed that all the sample water is meteoric origin. However, the \u03b4D at deeper level has significantly low values (20\u2030 lower than the present one). Obviously those groundwater do not originate from the present one. The \u03b4^\u003c13\u003eC values of total dissolved carbon from two sites, Shirasawa and Miharu, show different profiles vertically. The \u03b4^\u003c13\u003eC profiles indicate that carbon at the Shirasawa site is derived from biogenic source, but that at the Miharu site is influenced from other sources, such as \"crustal fluid\" upwelling from a deep geologic environment. The contribution of crustal fluid can be canceled using the carbon isotopic mass balance, and the \u03b4^\u003c14\u003eC value of crack water excluding deep source contribution was evaluated. The apparent ^\u003c14\u003eC date calculated using the evaluated \u03b4^\u003c14\u003eC value is getting older to deeper depth at both sites. At the Miharu site, the tritium is detected even at depth of 180m, indicating that relatively young water has mixed in the crack water. As the vertical profiles of \u03b4D and \u03b4^\u003c18\u003eO show the very small change, implying the vertical mixing of crack water, shallow surface water and deep crustal fluid. However, the result beyond the 10000 yrBP in the apparent ^\u003c14\u003eC date suggests that the carbon mixing does not frequently occurred. As for the Shirasawa site, vertical profiles of \u03b4D and \u03b4^\u003c18\u003eO show large changes. The deeper the crack water, the lower the\u03b4D and \u03b4^\u003c18\u003eO values are represented. Groundwater with very low \u03b4D and \u03b4^\u003c18\u003eO values is likely recharged in an ice age. The apparent ^\u003c14\u003eC date also show that the older age of carbon in the crack water than 10000 or 20000 yrBP. The evidence shows that crack water can be trapped for a very long period even at shallow depth (80-180m).", "subitem_description_type": "Abstract"}]}, "item_9_description_5": {"attribute_name": "\u5185\u5bb9\u8a18\u8ff0", "attribute_value_mlt": [{"subitem_description": "\u7b2c16\u56de\u540d\u53e4\u5c4b\u5927\u5b66\u30bf\u30f3\u30c7\u30c8\u30ed\u30f3\u52a0\u901f\u5668\u8cea\u91cf\u5206\u6790\u8a08\u30b7\u30f3\u30dd\u30b8\u30a6\u30e0(\u5e73\u621015\u5e74(2003\u5e74\u5ea6)\u5831\u544a Proceedings of the 16th Symposium on Researches Using the Tandetron AMS System at Nagoya University in 2003 \u65e5\u6642:\u5e73\u621016(2004)\u5e741\u670822\u65e5(\u6728)\uff6423\u65e5(\u91d1) \u4f1a\u5834:\u540d\u53e4\u5c4b\u5927\u5b66\u30b7\u30f3\u30dd\u30b8\u30aa\u30f3 Date:January 22nd and 23rd,2004 Place:Nagoya University Symposion Hall", "subitem_description_type": "Other"}]}, "item_9_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": 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