等高線にそった帯状伐採が融雪流出に及ぼす影響

• 志水 俊夫

  森林総合研究所

• 吉野 昭一

  (財)林業科学技術振興所

書誌事項

タイトル別名

• Effects of contour-line strip-cutting of trees on snowmelt runoff.
• トウコウセン ニ ソッタ タイジョウ バッサイ ガ ユウセツ リュウシュツ ニ

抄録

To examine effects of forest cutting on snowmelt runoff, a total of 52.2 % of tree areas in the No.1 Stream Watershed of the Takaragawa Forest Watershed Experiment Station was cleared in several strips along contours. After cutting the period of snowmelt runoff was 8 days longer on average and the runoff percentage during snowmelting has increased by 6.4 % to 70.9 %, along with the decrease in depletion curve gradient during the recession period after snow melting. Daily peaks in hydrographs showed about 2 hrs delay after air temperature or radiation maximums when the initial runoff was small, while it was 40 min when the initial runoff was large. In the strip-cut areas the snowcover absorbs more solar radiation than wooded areas, so the snowmelting is accelerated and the snow properties become changeable. Open areas in the forest is apt to pile more snow than wooded areas and the snow is shaded by surrounding trees, so the melting may delay in comparison with that from clear cut areas.

収録刊行物

• 雪氷

  雪氷 58 (1), 3-10, 1996

  公益社団法人 日本雪氷学会

キーワード

• 帯状伐採
• 融雪流出
• 試験流域

詳細情報

• CRID: 1390282681438692864
• NII論文ID: 10002382035
• NII書誌ID: AN00131221
• DOI: 10.5331/seppyo.58.3
• ISSN: 18836267
• ISSN: 03731006
• ISSN: http://id.crossref.org/issn/03731006
• NDL書誌ID: 3915870
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3915870
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可