{"created":"2023-06-20T14:38:06.004775+00:00","id":4573,"links":{},"metadata":{"_buckets":{"deposit":"9cc9e04f-06f0-4b94-8f64-22a2fff543b4"},"_deposit":{"created_by":1,"id":"4573","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"4573"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00004573","sets":["1887:1893","9:789:906:914"]},"author_link":["20630","20633","20632","20631"],"item_3_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"PI228-10","bibliographicPageStart":"PI228-5","bibliographicVolumeNumber":"JAXA-SP-11-007E","bibliographic_titles":[{"bibliographic_title":"宇宙航空研究開発機構特別資料"},{"bibliographic_title":"JAXA Special Publication: Final Reports of the ALOS Research Announcement Programs 1&2, 2011","bibliographic_titleLang":"en"}]}]},"item_3_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"The potential of L-band PALSAR for monitoring water flow beneath the peat surface is demonstrated on a bog near Lac Saint Pierre (Canada). Two polarimetric ALOS acquisitions collected at spring and fall under different water conditions are used. The Touzi decomposition, which was shown to be very promising for peatland characterization using the C-band Convair 580 SAR, is applied. Like in, the information provided by the multi-polarization (HH, HV, and VV), the scattering type magnitude (the Cloude alpha or the Touzi alpha(sub s)), the single scattering eigenvalues and the entropy, cannot detect the presence of water underneath the peat surface. The Touzi scattering phase phi(sub alpha(sub s)) is shown to be the only target scattering decomposition parameter that can detect water flow variations beneath the peat surface. The fall acquisition that took place after two days rain permits demonstrating that the wave can penetrate deep into the acrotelm layer to detect the rain water that has sinked rapidly into the peat layer of high hydraulic conductivity. The spring acquisition at dry conditions permits better discrimination of poor fen from bog. Similar performance have been observed in a subarctic peatland in the Wapusk National Park using PALSAR data collected between June and September 2010. While the multi-polarization information could not detect any hydraulic changes in a sedge bulrush fen, phi(sub alpha(sub s)) can detect the peatland subsurface water level variations between the June starting permafrost melting season (13 cm active layer) and the more advanced July melting seasons (27 cm active layer). However, the scattering type phase could not detect the water level change between July and August of more advanced melting conditions (active layer thickness of 60 cm). The L-band wave does not go so deep into the fen to detect the presence of the subsurface (deeper than 27 cm) water.","subitem_description_type":"Other"}]},"item_3_description_18":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"形態: カラー図版あり","subitem_description_type":"Other"},{"subitem_description":"形態: DVD-ROM1枚","subitem_description_type":"Other"}]},"item_3_description_19":{"attribute_name":"内容記述（英）","attribute_value_mlt":[{"subitem_description":"Physical characteristics: Original contains color illustrations","subitem_description_type":"Other"},{"subitem_description":"Note: One DVD-ROM","subitem_description_type":"Other"}]},"item_3_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: AA0065135103","subitem_description_type":"Other"}]},"item_3_description_33":{"attribute_name":"レポート番号","attribute_value_mlt":[{"subitem_description":"レポート番号: JAXA-SP-11-007E","subitem_description_type":"Other"}]},"item_3_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙航空研究開発機構地球観測研究センター (JAXA)(EORC)"}]},"item_3_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Earth Observation Research Center, Japan Aerospace Exploration Agency (JAXA)(EORC)"}]},"item_3_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1349-113X","subitem_source_identifier_type":"ISSN"}]},"item_3_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11984031","subitem_source_identifier_type":"NCID"}]},"item_3_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Canada Centre for Remote Sensing, Natural Resources Canada"},{"subitem_text_language":"en","subitem_text_value":"Canada Centre for Remote Sensing, Natural Resources Canada"},{"subitem_text_language":"en","subitem_text_value":"Canada Centre for Remote Sensing, Natural Resources Canada"},{"subitem_text_language":"en","subitem_text_value":"College of Agriculture and Bioresources, University of Saskatchewan"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Touzi, Ridha","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Gosselin, G.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Li, J.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Brook, R.","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-01-16"}],"displaytype":"detail","filename":"65135103.pdf","filesize":[{"value":"3.9 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"65135103.pdf","url":"https://jaxa.repo.nii.ac.jp/record/4573/files/65135103.pdf"},"version_id":"4ccac91b-9176-479b-8e40-c16662c48518"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"technical report","resourceuri":"http://purl.org/coar/resource_type/c_18gh"}]},"item_title":"Peatland subsurface water flow monitoring using polarimetric L-band PALSAR","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Peatland subsurface water flow monitoring using polarimetric L-band PALSAR","subitem_title_language":"en"}]},"item_type_id":"3","owner":"1","path":["914","1893"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"4573","relation_version_is_last":true,"title":["Peatland subsurface water flow monitoring using polarimetric L-band PALSAR"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T08:36:20.734834+00:00"}