{"_buckets": {"deposit": "2c02c599-e119-4c4a-aeb8-f624a36f8be9"}, "_deposit": {"id": "33496", "owner": "1", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "33496"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00033496", "sets": []}, "author_link": ["130837", "130836"], "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u4e0a\u90e8\u30de\u30f3\u30c8\u30eb\u304a\u3088\u3073\u4e0b\u90e8\u30de\u30f3\u30c8\u30eb\u306b\u304a\u3051\u308bP\u6ce2\u306e\u6e1b\u8870"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1967-08-25", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "2", "bibliographicPageEnd": "312", "bibliographicPageStart": "299", "bibliographicVolumeNumber": "45", "bibliographic_titles": [{"bibliographic_title": "\u6771\u4eac\u5927\u5b78\u5730\u9707\u7814\u7a76\u6240\u5f59\u5831 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]}, "item_4_description_13": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Difference of Q, specific quality factor, for P waves in the upper and the lower mantle is determined around the period of 1sec by the spectral analysis of P, PcP, pP and pPcP phases from nine after-shocks of the Alaska earthquake of March 28, 1964. The effects of crustal layerings are removed by Haskell\u0027s method. From relative spectral ratios P/PcP and pP/pPcP, the maximum of the average Q for P waves, Q\u03b1, is estimated as 800. The ratio of the average Q for the upper 870km of the mantle, Q\u0027\u03b1, to that for the rest of the mantle, Q\"\"\u03b1, cannot be larger than 0.3. The probable range of Q\u03b1, Q\u0027\u03b1, Q\"\"\u03b1 and Q\u0027\u03b1/Q\"\"\u03b1 can be Determined as 410\u003cQ\u03b1\u003c630, 180\u003cQ\u0027\u03b1\u003c240, 1600\u003cQ\"\"\u03b1\u003c6000, and 0.04\u003cQ\u0027\u03b1/Q\"\"\u03b1\u003c0.12 respectively, when the previously determined relation between Q\u03b1 and Q\u03b1/Q\u03b2 (Q\u03b2; average Q for shear), and the range of the ratio 1.8\u2266Q\u03b1/Q\u03b2\u22662.5 suggested by surface wave studies are used.", "subitem_description_type": "Abstract"}, {"subitem_description": "1964\u5e743\u670828\u65e5\u306e\u30a2\u30e9\u30b9\u30ab\u5730\u9707\u306b\u3068\u3082\u306a\u30469\u500b\u306e\u4f59\u9707\u306eP, PcP, pP, pPcP\u306e\u30b9\u30da\u30af\u30c8\u30eb\u89e3\u6790\u3092\u884c\u306a\u3064\u3066,\u5468\u671f1\u79d2\u7a0b\u5ea6\u306eP\u6ce2\u306b\u5bfe\u3059\u308bQ\u306e\u4e0a\u90e8\u30de\u30f3\u30c8\u30eb\u3068\u4e0b\u90e8\u30de\u30f3\u30c8\u30eb\u3067\u306e\u76f8\u9055\u3092\u63a8\u5b9a\u3057\u305f.\u5730\u6bbb\u306e\u5c64\u69cb\u9020\u306e\u30b9\u30da\u30af\u30c8\u30eb\u306b\u304a\u3088\u307c\u3059\u5f71\u97ff\u306f\u30cf\u30b9\u30b1\u30eb\u306e\u65b9\u6cd5\u306b\u3088\u3064\u3066\u306e\u305e\u3044\u305f. P\u3068PcP,\u304a\u3088\u3073pP\u3068pPcP\u306e\u76f8\u5bfe\u30b9\u30da\u30af\u30c8\u30eb\u6bd4\u304b\u3089\u30de\u30f3\u30c8\u30eb\u5168\u4f53\u3067\u306eP\u6ce2\u306b\u5bfe\u3059\u308bQ\u306e\u5e73\u5747, Q\u03b1,\u306e\u6700\u5927\u5024\u306f800\u3068\u63a8\u5b9a\u3055\u308c\u308b. 870km\u3088\u308a\u6d45\u3044\u90e8\u5206\u306e\u30de\u30f3\u30c8\u30eb\u306b\u3064\u3044\u3066\u306eQ\u306e\u5e73\u5747,Q\u0027\u03b1,\u3068870km\u3088\u308a\u6df1\u3044\u90e8\u5206\u306e\u30de\u30f3\u30c8\u30eb\u306b\u3064\u3044\u3066\u306eQ\u304c\u5e73\u5747, Q\"\"\u03b1,\u306e\u6bd4, Q\u0027\u03b1/Q\"\"\u03b1,\u306f\u305f\u304b\u3060\u304b0.3\u3067\u3042\u308b.\u4eca\u307e\u3067\u306b\u63a8\u5b9a\u3055\u308c\u3066\u3044\u308bQ\u03b1\u3068Q\u03b1/Q\u03b2 (Q\u03b2\u306f\u30de\u30f3\u30c8\u30eb\u5168\u4f53\u306b\u3064\u3044\u3066\u306eS\u6ce2\u306eQ\u306e\u5e73\u5747)\u306e\u95a2\u4fc2\u304a\u3088\u3073,\u88cf\u9762\u6ce2\u306e\u6e1b\u8870\u304b\u3089\u63a8\u5b9a\u3055\u308c\u308b\u50241.8\u003cQ\u03b1/Q\u03b2\u003c2.5\u3092\u7528\u3044\u308b\u3068, Q\u03b1, Q\u0027\u03b1, Q\"\"\u03b1,\u304a\u3088\u3073, Q\u0027\u03b1/Q\"\"\u03b1\u306e\u7bc4\u56f2\u306f\u305d\u308c\u305e\u308c, 410\u003cQ\u03b1\u003c630, 180\u003cQ\u0027\u03b1\u003c240, 1600\u003cQ\"\"\u03b1\u003c6000,\u304a\u3088\u3073, 0.04\u003cQ\u0027\u03b1/ Q\"\"\u03b1\u003c0.12\u3068\u63a8\u5b9a\u3055\u308c\u308b.", "subitem_description_type": "Abstract"}]}, "item_4_full_name_3": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "130837", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "\u91d1\u68ee, \u535a\u96c4"}]}]}, "item_4_identifier_registration": {"attribute_name": "ID\u767b\u9332", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.15083/0000033496", "subitem_identifier_reg_type": "JaLC"}]}, "item_4_publisher_20": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u6771\u4eac\u5927\u5b66\u5730\u9707\u7814\u7a76\u6240"}]}, "item_4_source_id_10": {"attribute_name": "\u66f8\u8a8c\u30ec\u30b3\u30fc\u30c9ID", "attribute_value_mlt": [{"subitem_source_identifier": "AN00162258", "subitem_source_identifier_type": "NCID"}]}, "item_4_source_id_8": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "00408972", "subitem_source_identifier_type": "ISSN"}]}, "item_4_subject_15": {"attribute_name": "\u65e5\u672c\u5341\u9032\u5206\u985e\u6cd5", "attribute_value_mlt": [{"subitem_subject": "453", "subitem_subject_scheme": "NDC"}]}, "item_4_text_21": {"attribute_name": "\u51fa\u7248\u8005\u5225\u540d", "attribute_value_mlt": [{"subitem_text_value": "Earthquake Research Institute, University of Tokyo"}]}, "item_4_text_34": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"subitem_text_value": "Departmental Bulletin Paper"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Kanamori, Hiroo"}], "nameIdentifiers": [{"nameIdentifier": "130836", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "\u30d5\u30a1\u30a4\u30eb\u60c5\u5831", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2017-06-26"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "ji0452002.pdf", "filesize": [{"value": "755.9 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 755900.0, "url": {"label": "ji0452002.pdf", "url": "https://repository.dl.itc.u-tokyo.ac.jp/record/33496/files/ji0452002.pdf"}, "version_id": "40121291-d104-4a7a-9287-a877003ba352"}]}, "item_language": {"attribute_name": "\u8a00\u8a9e", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "\u8cc7\u6e90\u30bf\u30a4\u30d7", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Attenuation of P Waves in the Upper and Lower Mantle", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Attenuation of P Waves in the Upper and Lower Mantle", "subitem_title_language": "en"}]}, "item_type_id": "4", "owner": "1", "path": ["80/4535/4927/4933", "9/504/4538/4929/4934"], "permalink_uri": "https://doi.org/10.15083/0000033496", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2008-05-30"}, "publish_date": "2008-05-30", "publish_status": "0", "recid": "33496", "relation": {}, "relation_version_is_last": true, "title": ["Attenuation of P Waves in the Upper and Lower Mantle"], "weko_shared_id": -1}