花岡岩山地渓流における河床形態に関する研究 : 広島県黒瀬川源流の例
広島大学総合科学部紀要. IV, 理系編 Volume 27
Page 119-128
published_at 2001-12
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この文献の参照には次のURLをご利用ください : https://doi.org/10.15027/779
| File | |
| Title ( jpn ) |
花岡岩山地渓流における河床形態に関する研究 : 広島県黒瀬川源流の例
|
| Title ( eng ) |
River Bed Form in a Granitic Mountainous Catchment : A Case of the Source Area in Kurose River, Hiroshima Prefecture
|
| Creator |
Nishimune Naoyuki
Naruoka Tomohiro
|
| Contributors | 国立情報学研究所 |
| Source Title |
広島大学総合科学部紀要. IV, 理系編
Memoirs of the Faculty of Integrated Arts and Sciences, Hiroshima University. IV, Science reports
|
| Volume | 27 |
| Start Page | 119 |
| End Page | 128 |
| Abstract |
In order to clarify spatial variations in a river bed form in a granitic mountainous catchment, we surveyed topographically a steep river on a source area of Kurose River in which the debris flow occurred in 1999. Firstly, we found that the spatial variation in erosion-deposition process on the steep river. Both of the lower stream and upper one held much sediments with large gravels (φ>2m). On the other hand, the middle stream exposed mainly the bedrock. Secondary, we confirmed spatial distribution of river falls. The height of river fall on the upper stream rose with the increase of river gradient. On the contray, the frequency of falls was constant in spite of inclination.
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| Keywords |
river bed form
debris flow
sediment discharge
fall
bedrock channel
|
| NDC |
Earth sciences. Geology [ 450 ]
|
| Language |
jpn
|
| Resource Type | departmental bulletin paper |
| Publisher |
広島大学総合科学部
|
| Date of Issued | 2001-12 |
| Publish Type | Version of Record |
| Access Rights | open access |
| Date |
[Created] 2006-03-21
|
| Source Identifier |
[ISSN] 1340-8364
[NCID] AN10435936
|
