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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 47号
  1. 部局別インデックス
  2. 農学部

黄土丘陵ガリ谷区の地形特徴と段畑造成可能土地量

http://hdl.handle.net/20.500.12000/3423
http://hdl.handle.net/20.500.12000/3423
78f44a6d-a190-4501-b076-821173d2e952
名前 / ファイル ライセンス アクション
KJ00000161903.pdf KJ00000161903.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-08
タイトル
タイトル 黄土丘陵ガリ谷区の地形特徴と段畑造成可能土地量
言語 ja
作成者 趙, 廷寧

× 趙, 廷寧

ja 趙, 廷寧

宜保, 清一

× 宜保, 清一

ja 宜保, 清一

孫, 保平

× 孫, 保平

ja 孫, 保平

中村, 真也

× 中村, 真也

ja 中村, 真也

Zhao, Tingning

× Zhao, Tingning

en Zhao, Tingning

Gibo, Seiichi

× Gibo, Seiichi

en Gibo, Seiichi

Sun, Baoping

× Sun, Baoping

en Sun, Baoping

Nakamura, Shinya

× Nakamura, Shinya

en Nakamura, Shinya

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
主題
言語 ja
主題Scheme Other
主題 黄土丘陵ガリ谷区
言語 ja
主題Scheme Other
主題 地形特徴
言語 ja
主題Scheme Other
主題 段畑造成
内容記述
内容記述タイプ Other
内容記述 黄土丘陵ガリ谷区のガリ谷密度, 地面破裂度, 傾斜度分布および段畑造成の可能土地量について検討した。結果は次の通りである。1) ガリ谷密度はモウ状丘陵ガリ谷亜区, 寛谷長梁ガリ谷亜区, 梁状丘陵ガリ谷亜区の順で, それぞれ4.16km/(km)^2,3.37km/(km)^2,2.97km/(km)^2である。ガリ谷密度と単位面積当たり年流出土砂量との間には正の相関がみられる。2) 地面破裂度は, 梁状丘陵ガリ谷亜区, モウ状丘陵ガリ谷亜区, 寛谷長梁ガリ谷亜区の順で, それぞれ45.7%, 29.8%, 25.1%である。3) 傾斜度分布は, モウ状丘陵ガリ谷亜区で15°以下の斜面が総面積の85.0%を占め, 梁状丘陵ガリ谷亜区では5∿25°の斜面が総面積の80.3%を占めている。寛谷長梁ガリ谷亜区は梁状丘陵ガリ谷亜区に類似している。4) モウ状丘陵ガリ谷亜区, 梁状丘陵ガリ谷亜区および寛谷長梁ガリ谷亜区における段畑造成可能土地量はそれぞれ総面積の73.7%, 71.6%, 76.2%に相当する。
内容記述タイプ Other
内容記述 Hilly-gullied loess area is the largest area of Loess Plateau in China, suffered most seriously soil erosion, and produce 90% of the sediments of Yellow River. According to the scientific research results and the experience in soil and water conservation in China, terraced field construction is one of most effectively measures for soil erosion controlling and sustainable development of local economy. But, in the planning process of terraced field, the topographical features are often neglected. In this paper, based on the analysis of topographical features of hilly-gullied loess area, the possible land area for terraced field construction for each sub-area was given out.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/3423
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 47, p. 107-111
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