{"_buckets": {"deposit": "faf076be-fa38-4559-a8e2-f244dc4da41b"}, "_deposit": {"id": "28036", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "28036"}, "status": "published"}, "_oai": {"id": "oai:nagoya.repo.nii.ac.jp:00028036"}, "item_9_alternative_title_19": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u8a00\u8a9e\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "AMS14C dating and pollen analysis of Upper Pleistocene to Holocene sediments cored at Maeda Forest Park in Teine-ku, Sapporo, Japan"}]}, "item_9_biblio_info_6": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2019-03", "bibliographicIssueDateType": "Issued"}, "bibliographicPageEnd": "40", "bibliographicPageStart": "31", "bibliographicVolumeNumber": "3", "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": "To investigate vegetational change in Upper Pleistocene to Holocene temporal range, lithological analysis, AMS 14C-dating and pollen analysis are conducted for the two cores (SMF-1 and SMF-2) drilled at the southeast side of Maeda Forest Park in the northern part of Teine-ku, Sapporo City, Hokkaido, Japan. The distance between the two cores is only 15 m and core lengths are about 41-44 m. The facies of the upper and lower sediments change clearly at the depth of 28 m. The upper section from the ground level to 28.0 m of the SMF-1 core (44.45 m in length) is an alluvial bed (Chuseki-so) consists of main sandy layer and lower muddy layer. AMS 14C age of 10,800-10,400 cal.yBP (91.7%) was obtained for a peat sample collected at 26.55 m in depth from the basal part of the lower muddy part. A pollen analysis suggests that the layer from 26.55 to 28.0 m belongs to a cool zone (SMF1-D) rich in Picea, and can be assigned as the Younger Dryas period. The lower section from 28.0 m to 36.05 m is considered as the stratum MIS 3 in Late Pleistocene, because 14C age of 43,300-42,400 cal.yBP (95.4%) is obtained for a peat sample collected at 31.5 m in this section. This is consistent with vegetational zoning based on pollen and spore (SMF1-A, B and C zones). It is also evident that the stratum of Last Glacial Maximum (MIS 2) is missing in SMF1 core that should be at above 28.0 m in depth if it exists. 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