{"created":"2025-10-29T02:35:14.823001+00:00","id":2001409,"links":{},"metadata":{"_buckets":{"deposit":"82565559-c6b2-4d8b-b7c8-c44a630b11aa"},"_deposit":{"created_by":121,"id":"2001409","owner":"121","owners":[121],"pid":{"revision_id":0,"type":"depid","value":"2001409"},"status":"published"},"_oai":{"id":"oai:repository.naro.go.jp:02001409","sets":["1706970004180:1","87:661:1727312983899:1727312636636:1761703069810"]},"author_link":["256","259","258","836","1282","5683"],"item_12_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011-03-31","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"20","bibliographicPageStart":"9","bibliographicVolumeNumber":"211","bibliographic_titles":[{"bibliographic_title":"農村工学研究所技報","bibliographic_titleLang":"ja"},{"bibliographic_title":"Technical report of the National Institute for Rural Engineering","bibliographic_titleLang":"en"}]}]},"item_12_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Electric conductivity of groundwater was measured in two wells on Laura Island, Majuro atoll, Republic of the Marshall Island to clarify the distribution of the fresh groundwater. In addition, electric underground conductivity was measured by electromagnetic surveys at 18 points, and underground resistivity was measured by DC resistivity soundings at 4 points. Underground conductivities measured by electromagnetic surveys were converted into the freshwater-saltwater interface depths by results of groundwater electric conductivity measurements and DC resistivity soundings. As a result, it was clarified that the maximum thickness of the fresh water lens (electric conductivity less than 200 mS/m) was 8 m or more at the survey line. The shape of the freshwater lens resemble those shown in the foregone studies. This result shows that the measurement method which combines electromagnetic survey with DC resistivity sounding are useful to measure the thickness of a freshwater lens.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_12_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.24514/0002001409","subitem_identifier_reg_type":"JaLC"}]},"item_12_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"独立行政法人 農業・食品産業技術総合研究機構 農村工学研究所","subitem_publisher_language":"ja"},{"subitem_publisher":"National Agriculture and Food Research Organization, National Institute for Rural Engineering","subitem_publisher_language":"en"}]},"item_12_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1882-3289","subitem_source_identifier_type":"PISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"ISHIDA, Satoshi","creatorNameLang":"en"},{"creatorName":"石田, 聡","creatorNameLang":"ja"},{"creatorName":"イシダ, 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