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The effects of snow impurities, density, layer structure, and\ngrain size attained by in situ and laboratorym easurementsw ere taken into accounti n\nsnow models for which spectral albedos were calculated using a multiple-scattering model\nfor the atmosphere-snows ystem.C omparisonso f these theoretical albedosw ith measured\nones suggest hat the snowi mpuritiesw ere concentrateda t the snow surfaceb y dry fallout\nof atmospheric aerosols. 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Comparison of this result with two kinds of theoretical NBRDFs,\nwhere one havingb een calculatedu sing single-scatteringp arametersb y Mie theory and\nthe other usingt he samep arameterse xceptf or Henyey-Greenstein(H G) phasef unction\nobtained from the same asymmetry factor as in the Mie theory, showed that the observed\nNBRDF agreed with the theoretical one using the HG phase function rather than with\nthat using the Mie phase function, while the albedos calculated with both phase functions\nagreed well with each other", "subitem_description_type": "Abstract"}]}, "item_3_publisher_212": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "American Geophysica Ulnion"}]}, "item_3_select_195": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "open access", "subitem_access_right_uri": "http://purl.org/coar/access_right/c_abf2"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Aoki, Teruo", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "38688", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Aoki, Tadao", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "38689", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Fukabori, Masashi", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "38690", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Hachikubo, Akihiro", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "38691", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Tachibana, Yoshihiro", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "38692", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Nishio, Fumihiko", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "38693", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2016-11-22"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "(2000)JGR.pdf", "filesize": [{"value": "3.5 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 3500000.0, "url": {"label": "(2000)JGR.pdf", "url": "https://kitami-it.repo.nii.ac.jp/record/7576/files/(2000)JGR.pdf"}, "version_id": "aa3e2648-f7a3-4727-aba1-f734ab2c1570"}]}, "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": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Effects of snow physical parameters on spectral albedo and bidirectional reflectance of snow surface", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Effects of snow physical parameters on spectral albedo and bidirectional reflectance of snow surface", "subitem_title_language": "en"}]}, "item_type_id": "3", "owner": "1", "path": ["87"], "permalink_uri": "https://kitami-it.repo.nii.ac.jp/records/7576", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2014-01-18"}, "publish_date": "2014-01-18", "publish_status": "0", "recid": "7576", "relation": {}, "relation_version_is_last": true, "title": ["Effects of snow physical parameters on spectral albedo and bidirectional reflectance of snow surface"], "weko_shared_id": -1}
Effects of snow physical parameters on spectral albedo and bidirectional reflectance of snow surface
https://kitami-it.repo.nii.ac.jp/records/7576
https://kitami-it.repo.nii.ac.jp/records/757680d0a41a-dd1b-4eb9-8954-45df696b455d
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-01-18 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effects of snow physical parameters on spectral albedo and bidirectional reflectance of snow surface | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
Aoki, Teruo
× Aoki, Teruo× Aoki, Tadao× Fukabori, Masashi× Hachikubo, Akihiro× Tachibana, Yoshihiro× Nishio, Fumihiko |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Observationso f spectrala lbedo and bidirectionalr eflectancei n the wavelength region of X = 0.35-2.5 tzm were made together with snow pit work on a flat snowfield in eastern Hokkaido, Japan. The effects of snow impurities, density, layer structure, and grain size attained by in situ and laboratorym easurementsw ere taken into accounti n snow models for which spectral albedos were calculated using a multiple-scattering model for the atmosphere-snows ystem.C omparisonso f these theoretical albedosw ith measured ones suggest hat the snowi mpuritiesw ere concentrateda t the snow surfaceb y dry fallout of atmospheric aerosols. The optically equivalent snow grain size was found to be of the order of a branch width of dendrites or of a dimension of narrower portion of broken crystalsT. his sizew as smallert han both the mean grain size and the effectiveg rain size obtainedf rom micrographsb y image processingT. he observationarl esultsf or the bidirectionalr eflectiond istributionf unction( BRDF) normalizedb y the radiancea t the nadir showed that the anisotropic reflection was very significant in the near-infrared region,e speciallyfo r X > 1.4 tzm,w hile the visiblen ormalizedB RDF (NBRDF) patterns were relatively flat. Comparison of this result with two kinds of theoretical NBRDFs, where one havingb een calculatedu sing single-scatteringp arametersb y Mie theory and the other usingt he samep arameterse xceptf or Henyey-Greenstein(H G) phasef unction obtained from the same asymmetry factor as in the Mie theory, showed that the observed NBRDF agreed with the theoretical one using the HG phase function rather than with that using the Mie phase function, while the albedos calculated with both phase functions agreed well with each other |
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書誌情報 |
JOURNAL OF GEOPHYSICAL RESEARCH 巻 105, 号 D8, p. 10219-10236 |
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出版者 | ||||||
出版者 | American Geophysica Ulnion | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |