{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390001204382492032.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.20659/jjfp.34.1_13"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"5355669"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/5355669"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I5355669"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/jjfp/34/1/34_KJ00008024438/_pdf"}},{"identifier":{"@type":"NAID","@value":"110009441543"}},{"identifier":{"@type":"NAID","@value":"10011717244"}}],"dc:title":[{"@language":"ja","@value":"国土地理院数値地図50mメッシュによる地形因子の算出とその精度の評価"},{"@language":"en","@value":"Calculation of topographical factors and their accuracy evaluations with Digital Map 50-m grid published by the Geographical Survey Institute"},{"@language":"ja-Kana","@value":"コクド チリイン スウチ チズ 50mメッシュ ニ ヨル チケイ インシ ノ サンシュツ ト ソノ セイド ノ ヒョウカ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"We calculated three topographical factors (effective relief, topographical exposure and slope-center angle) with the \"Digital Map 50-m grid\", a digital elevation model (DEM) published by the Geographical Survey Institute, Japan. The objectives of this study were to show new algorithms for the calculation of the topographical factors from DEM, and to evaluate their accuracy. We proposed new algorithms for the topographical exposure and the slope-center angle. Both topographical factors measured on topographical maps and calculated from DEM were compared. The Digital Map 50-m grid data were resampled by the cubic convolution interpolation. The root mean squared (RMS) error for the elevation value of the DEM was 7.15m and gave good agreement with the theoretical value (7.2m). The RMS error of the effective relief was 8.61m, the topographical exposure was 27.39 degrees, and the slope-center angle was 13.57 degrees. The correlations between the errors of elevation on DEM and the errors of each topographical factor were also examined. The errors of elevation on DEM correlated positively with the errors of the topographical exposure and the slope-center angle, and negatively with those of the effective relief."},{"@language":"ja","@value":"数値標高モデル(DEM)のひとつである国土地理院数値地図50mメッシュを利用して3つの地形因子(有効起伏量,露出度,斜面中心角)を算出し,各地形因子について地形図での測定値とDEMにおける算出値の比較からその精度を評価した。露出度と斜面中心角の算出アルゴリズムは本研究で新たに開発した。数値地図50mメッシュは3次畳み込み内挿法で画像再配列を行った。DEM自体の持つ標高のRMS誤差は7.15mであり,理論値(7.2m)とほぼ一致した。各地形因子のRMS誤差は,有効起伏量が8.61m,露出度が27.39°,斜面中心角が13.57°であった。DEMが示す標高誤差と各地形因子が示す誤差との相関関係を調べたところ,有効起伏量では負の相関,露出度,斜面中心角では正の相関が認められた。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420282801206034560","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20332843"},{"@type":"NRID","@value":"1000020332843"},{"@type":"NRID","@value":"9000020170701"},{"@type":"NRID","@value":"9000253299862"},{"@type":"NRID","@value":"9000258477094"},{"@type":"NRID","@value":"9000283888204"},{"@type":"NRID","@value":"9000252880148"},{"@type":"NRID","@value":"9000001313477"},{"@type":"NRID","@value":"9000022002124"},{"@type":"NRID","@value":"9000270294451"},{"@type":"NRID","@value":"9000019007892"},{"@type":"NRID","@value":"9000018858297"},{"@type":"NRID","@value":"9000409862574"},{"@type":"NRID","@value":"9000238412755"},{"@type":"NRID","@value":"9000253299941"},{"@type":"NRID","@value":"9000283628322"},{"@type":"NRID","@value":"9000405010724"},{"@type":"NRID","@value":"9000381454264"},{"@type":"NRID","@value":"9000020194804"},{"@type":"NRID","@value":"9000277162419"},{"@type":"NRID","@value":"9000283884277"},{"@type":"NRID","@value":"9000253481665"},{"@type":"NRID","@value":"9000021677334"},{"@type":"NRID","@value":"9000262060721"},{"@type":"NRID","@value":"9000256720625"},{"@type":"NRID","@value":"9000312729336"},{"@type":"NRID","@value":"9000283628356"},{"@type":"NRID","@value":"9000258489751"},{"@type":"NRID","@value":"9000000662715"},{"@type":"NRID","@value":"9000283887650"},{"@type":"NRID","@value":"9000406206435"},{"@type":"NRID","@value":"9000399514451"},{"@type":"NRID","@value":"9000329018258"},{"@type":"NRID","@value":"9000404785859"},{"@type":"NRID","@value":"9000020146582"},{"@type":"NRID","@value":"9000404633375"},{"@type":"NRID","@value":"9000022032438"},{"@type":"NRID","@value":"9000324997369"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/muratac"}],"foaf:name":[{"@language":"ja","@value":"村上 拓彦"},{"@language":"en","@value":"MURAKAMI Takuhiko"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Graduate School of Agriculture, Kyushu University"},{"@language":"ja","@value":"九州大学大学院農学研究科"}]},{"@id":"https://cir.nii.ac.jp/crid/1420564276173645184","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40264105"},{"@type":"NRID","@value":"1000040264105"},{"@type":"NRID","@value":"9000024032145"},{"@type":"NRID","@value":"9000000719461"},{"@type":"NRID","@value":"9000020170625"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0184711"}],"foaf:name":[{"@language":"ja","@value":"寺岡 行雄"},{"@language":"en","@value":"TERAOKA Yukio"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Faculty of Agriculture, Kagoshima University"},{"@language":"ja","@value":"鹿児島大学農学部"}]},{"@id":"https://cir.nii.ac.jp/crid/1030285133366919171","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"60038338"},{"@type":"NRID","@value":"1000060038338"},{"@type":"NRID","@value":"9000405266072"},{"@type":"NRID","@value":"9000002962637"},{"@type":"NRID","@value":"9000364993934"},{"@type":"NRID","@value":"9000253299865"},{"@type":"NRID","@value":"9000267765474"},{"@type":"NRID","@value":"9000267765588"},{"@type":"NRID","@value":"9000267765651"},{"@type":"NRID","@value":"9000392767864"},{"@type":"NRID","@value":"9000267765057"},{"@type":"NRID","@value":"9000267765696"},{"@type":"NRID","@value":"9000242777757"},{"@type":"NRID","@value":"9000267765585"},{"@type":"NRID","@value":"9000267765645"},{"@type":"NRID","@value":"9000018144696"},{"@type":"NRID","@value":"9000008794125"},{"@type":"NRID","@value":"9000267765239"},{"@type":"NRID","@value":"9000267765350"},{"@type":"NRID","@value":"9000267765654"},{"@type":"NRID","@value":"9000267765275"},{"@type":"NRID","@value":"9000267765535"},{"@type":"NRID","@value":"9000267765531"},{"@type":"NRID","@value":"9000267765478"},{"@type":"NRID","@value":"9000267765737"},{"@type":"NRID","@value":"9000267765648"},{"@type":"NRID","@value":"9000267765657"},{"@type":"NRID","@value":"9000242776971"},{"@type":"NRID","@value":"9000009009569"},{"@type":"NRID","@value":"9000002962650"},{"@type":"NRID","@value":"9000242777515"},{"@type":"NRID","@value":"9000392052418"},{"@type":"NRID","@value":"9000267765236"},{"@type":"NRID","@value":"9000267765480"},{"@type":"NRID","@value":"9000267765624"},{"@type":"NRID","@value":"9000267765699"},{"@type":"NRID","@value":"9000242777799"},{"@type":"NRID","@value":"9000267765597"},{"@type":"NRID","@value":"9000267765519"},{"@type":"NRID","@value":"9000267765523"},{"@type":"NRID","@value":"9000242777645"},{"@type":"NRID","@value":"9000392765703"},{"@type":"NRID","@value":"9000267765240"},{"@type":"NRID","@value":"9000267765056"},{"@type":"NRID","@value":"9000018858052"},{"@type":"NRID","@value":"9000392767522"},{"@type":"NRID","@value":"9000267765447"},{"@type":"NRID","@value":"9000267765443"},{"@type":"NRID","@value":"9000002499256"},{"@type":"NRID","@value":"9000267765386"},{"@type":"NRID","@value":"9000267765527"},{"@type":"NRID","@value":"9000267765515"},{"@type":"NRID","@value":"9000267765022"},{"@type":"NRID","@value":"9000267765642"},{"@type":"NRID","@value":"9000242777472"},{"@type":"NRID","@value":"9000392052357"},{"@type":"NRID","@value":"9000405300795"},{"@type":"NRID","@value":"9000014413040"},{"@type":"NRID","@value":"9000392768938"},{"@type":"NRID","@value":"9000267765274"},{"@type":"NRID","@value":"9000267765485"},{"@type":"NRID","@value":"9000009705667"},{"@type":"NRID","@value":"9000267765582"},{"@type":"NRID","@value":"9000392052434"},{"@type":"NRID","@value":"9000405266025"},{"@type":"NRID","@value":"9000006945178"},{"@type":"NRID","@value":"9000267765388"},{"@type":"NRID","@value":"9000267765349"},{"@type":"NRID","@value":"9000267765268"},{"@type":"NRID","@value":"9000267765591"},{"@type":"NRID","@value":"9000267765445"},{"@type":"NRID","@value":"9000267765594"},{"@type":"NRID","@value":"9000242777151"},{"@type":"NRID","@value":"9000242777086"},{"@type":"NRID","@value":"9000392049578"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0172280"}],"foaf:name":[{"@language":"ja","@value":"今田 盛生"},{"@language":"en","@value":"IMADA Morio"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Faculty of Agriculture, Kyushu University"},{"@language":"ja","@value":"九州大学農学部"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"09172017"},{"@type":"EISSN","@value":"21898308"},{"@type":"NDL_BIB_ID","@value":"000000079585"},{"@type":"ISSN","@value":"09172017"},{"@type":"LISSN","@value":"09172017"},{"@type":"NCID","@value":"AN10385361"}],"prism:publicationName":[{"@language":"ja","@value":"森林計画学会誌"},{"@language":"en","@value":"Japanese Journal of Forest Planning"},{"@language":"ja","@value":"森林計画誌"},{"@language":"en","@value":"JFP"}],"dc:publisher":[{"@language":"en","@value":"Japan Society of Forest Planning"},{"@language":"ja","@value":"森林計画学会"}],"prism:publicationDate":"2000","prism:volume":"34","prism:number":"1","prism:startingPage":"13","prism:endingPage":"26"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"http://id.ndl.go.jp/bib/5355669"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I5355669"},{"@id":"https://www.jstage.jst.go.jp/article/jjfp/34/1/34_KJ00008024438/_pdf"}],"availableAt":"2000","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001338646775680","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"デジタイザによる標高データ作成とその補間法"},{"@language":"en","@value":"Comparison of interpolating methods for DTM"},{"@language":"ja-Kana","@value":"デジタイザ ニ ヨル ヒョウコウ データ サクセイ ト ソノ ホカンホウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1050282813854956288","@type":"Article","resourceType":"紀要論文(departmental bulletin paper)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"林分構造と地形との関係分析に関する研究 : 小班内の林分構造について"},{"@language":"en","@value":"Studies on the Relation between Stand-structure and Topography : Stand-structure in the Sub-compartment"},{"@value":"林分構造と地形との関係解析に関する研究--小班内の林分構造について"},{"@language":"ja-Kana","@value":"リンブン コウゾウ ト チケイ ト ノ カンケイ カイセキ ニ カンスル ケン"}]},{"@id":"https://cir.nii.ac.jp/crid/1050282813856909184","@type":"Article","resourceType":"紀要論文(departmental bulletin paper)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"地形による立地区分と林分構造との関係解析に関する基礎的研究"},{"@language":"en","@value":"Basic Studies on the Relationship between Stand-structure and Site Topology made by Topology"},{"@language":"ja-Kana","@value":"チケイ ニ ヨル リッチ クブン ト リンブン コウゾウ ト ノ カンケイ カ"}]},{"@id":"https://cir.nii.ac.jp/crid/1050845763535134848","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"数値地形図を用いた地形分類"}]},{"@id":"https://cir.nii.ac.jp/crid/1360302864804093696","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"A landscape-level study on vegetation richness of ancient landslide areas"}]},{"@id":"https://cir.nii.ac.jp/crid/1362825896351187968","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Principles of geographical information systems for land resources assessment"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204381520896","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"ニューラルネットワークを応用した地位指数の推定"},{"@language":"en","@value":"Estimation of Site Indices with an Artificial neural Network"},{"@language":"ja-Kana","@value":"ニューラル ネットワーク オ オウヨウ シタ チイ シスウ ノ スイテイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204381649792","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"機械学習システムC4.5を用いた地位指数の推定"},{"@language":"en","@value":"Estimation of Site Indices with a Machine Learning System C4.5"},{"@language":"ja-Kana","@value":"キカイ ガクシュウ システム C4 5 オ モチイタ チイ シスウ ノ スイテイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204439412480","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"国土地理院数値地図の精度に関する考察<sup>*</sup>"},{"@language":"en","@value":"Accuracy Estimation of Digital Map Series Data Sets Published by the Geographical Survey Institute<sup>*</sup>"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204485214976","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"数値地形情報を用いた希少渓畔樹種ヤクシマサルスベリの潜在的ハビタットの広域推定"},{"@language":"en","@value":"Modeling potential habitats for Lagerstroemia subcostata var. fauriei, a rare riparian species on Yakushima Island, by analysis of GIS-derived topographic factors"},{"@language":"ja-Kana","@value":"スウチ チケイ ジョウホウ オ モチイタ キショウ ケイハン ジュシュ ヤクシマサルスベリ ノ センザイテキ ハビタット ノ コウイキ スイテイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390009224837885056","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Estimating Site Index of Sugi and Hinoki from Topographical Factors on Maps for Forest Management"},{"@language":"ja","@value":"森林経営のための地位指数推定方法 : 地形図上で判読可能な地形因子による樹高の推定"},{"@language":"ja-Kana","@value":"シンリン ケイエイ ノ タメ ノ チイ シスウ スイテイ ホウホウ チケイズジ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679358705408","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"集団学習アルゴリズムを用いた地位指数推定モデルの精度および汎化性の検証"},{"@language":"en","@value":"Generalizability and Accuracy of Site Index Estimation Model with Ensemble Learning"},{"@language":"ja-Kana","@value":"シュウダン ガクシュウ アルゴリズム オ モチイタ チイ シスウ スイテイ モデル ノ セイド オヨビ ハンカセイ ノ ケンショウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681335210240","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"数値地形モデルによる傾斜因子推定の精度"},{"@language":"en","@value":"Accuracy of the slope factors estimated by the digital terrain model"},{"@language":"ja-Kana","@value":"スウチ チケイ モデル ニヨル ケイシャ インシ スイテイ ノ セイド"}]},{"@id":"https://cir.nii.ac.jp/crid/1520009410488602752","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"地形解析に関する研究-1-傾斜方位ならびに傾斜角の推定"},{"@language":"ja-Kana","@value":"チケイ カイセキ ニ カンスル ケンキュウ 1 ケイシャ ホウイ ナラビニ ケイシャカク ノ スイテイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572357401646976","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"50mメッシュ図による気温特性の把握と農業振興への活用"},{"@language":"ja-Kana","@value":"50mメッシュズ ニ ヨル キオン トクセイ ノ ハアク ト ノウギョウ シンコウ エ ノ カツヨウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572357676177792","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"非構造格子状に配置された数値標高による花崗岩山地における斜面表層崩壊の地形特徴"},{"@language":"ja-Kana","@value":"ヒコウゾウ ゴウシジョウ ニ ハイチ サレタ スウチ ヒョウコウ ニ ヨル カコウガン サンチ ニ オケル シャメン ヒョウソウ ホウカイ ノ チケイ トクチョウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520854805411588480","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"山地の地形形成とその林業的意義"},{"@language":"ja-Kana","@value":"サンチ ノ チケイ ケイセイ ト ソノ リンギョウテキ イギ"}]},{"@id":"https://cir.nii.ac.jp/crid/1521136278516144000","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"年平均風速と蒸散条件の推定について"},{"@language":"ja-Kana","@value":"ネン ヘイキン フウソク ト ジョウサン ジョウケン ノ スイテイ ニ ツイテ"}]},{"@id":"https://cir.nii.ac.jp/crid/1522543654787472256","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"林地生産力(林分材積)に関する立地解析とその分布推定 福岡県下のスギ・ヒノキ林の場合"},{"@language":"ja-Kana","@value":"リンチ セイサンリョク ハヤシ ブンザイ セキ ニ カンスル 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