Three-dimensional structure and sources of groundwater masses beneath the Osaka Plain, Southwest Japan
Three-dimensional structure and sources of groundwater masses beneath the Osaka Plain, Southwest Japan
复制标题
日本西南部大阪平原地下水团的三维结构和来源
DOI:
10.1016/j.ejrh.2022.101193
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Ishikawa T
中科院分区:
文献类型:
--
作者:
Shintani T;Masuda H;Nemoto T;Ikawa R;Marui A;Tanimizu M;Ishikawa T
Study regionQuaternary tectonic basin beneath the Osaka Plain, Southwest JapanStudy focusGroundwaters of different sources were categorized by the cluster analysis, using six components; Cl–, alkalinity, Na+and Ca2+, δ18O and δ2H, and the following characterization by the relationships between δ18O and δ2H and among Cl–, B and Li concentrations, and Li isotopic ratios. Then, three-dimensional mapping was applied to visualize the distribution of the categorized groundwater masses in the whole basin.New hydrological insights for the regionThe sources of groundwater was categorized into two freshwater and three saline water end-members; 1) modern local meteoric water in the aquifers to depths of 300 m beneath the plain and surrounding mountains, 2) fossil freshwater that is more depleted in δ18O and δ2H and enriched in alkalinity than the other, 3) modern seawater recharged since the last submergence appearing in mostly to depths of 300 m beneath the plain, 4) fossil seawater probably recharged before the last submergence remaining in the base of the basin, and 5) deep-seated Arima-type brine, appearing along perimeter active faults at the northern and southern boundaries of the plain. The method used here successfully visualize the different groundwater masses and will be applicable to evaluate the sustainability of groundwater resources in the similar hydrogeological settings such as coastal plains of Asian countries.
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影响因子:
3.1
作者:
Michiji Tsurumaki
通讯作者:
Michiji Tsurumaki
影响因子:
1.5
作者:
Kohei Kazahaya;Masaaki Takahashi;M. Yasuhara;Yoshiro Nishio;Akihiko Inamura;Noritoshi Morikawa;Tsutomu Sato;Hiroshi A. Takahashi;Koichi Kitaoka;Shinji Ohsawa;Yoichi Oyama;Michiko Ohwada;Hitoshi Tsukamoto;Keika Horiguchi;Yuki Tosaki;Tsukasa Kirita
通讯作者:
Tsukasa Kirita
影响因子:
5
作者:
H. Masuda;H. Sakai;H. Chiba;Y. Matsuhisa;Takeshi Nakamura
通讯作者:
Takeshi Nakamura
影响因子:
3.5
作者:
Huepers, A.;Kopf, A. J.
通讯作者:
Kopf, A. J.
DOI:
10.4116/jaqua.39.303
发表时间:
2000
期刊:
The Quaternary Research (daiyonki-kenkyu)
影响因子:
--
作者:
Yoshinori Iwabuchi
通讯作者:
Yoshinori Iwabuchi