{"_buckets": {"deposit": "3e0f70ea-4bf6-46b8-ae00-caad155b1c55"}, "_deposit": {"id": "26272", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "26272"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00026272"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "Pollen analysis and AMS 14C generation measurement to consider the paleoenvironment of the Toyohira Kawanaka Basin before the Shikotsu pyroclastic flow"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2017-03-31", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "97", "bibliographicPageStart": "92", "bibliographicVolumeNumber": "1", "bibliographic_titles": [{"bibliographic_title": "\u540d\u53e4\u5c4b\u5927\u5b66\u5e74\u4ee3\u6e2c\u5b9a\u7814\u7a76"}]}]}, "item_9_description_4": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "We, the members of a group studying the Ishikari alluvial plain, are investigating the paleoenvironment of the layer in the Quaternary period of the Atsuma area. We obtained a drilling core from the Teine area on the Sea of Japan side in 2015 and have started studying it. We conducted a pollen analysis, particle size analysis, and age analysis in the \"Okaparushi\" neighborhood of Fujino, Minami-ku, Sapporo-shi, within the Toyohira Kawanaka basin. This report gathers findings to elucidate the paleoenvironment before the Shikotsu pyroclastic flow from the eruption of 41,000 years ago. Though our age analysis is still underway, we have obtained 43,400-42,400 cal BP from directly below the Shikotsu pumice fall deposits (Spfa). Our pollen analysis clearly elucidates the paleoclimate before the Shikotsu pumice fall deposits formed. The climate was chilly and the terrain was populated by an abundance of Picea 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