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  • 标题:Scale effects on sediment yield from badland areas in Mediterranean environments
  • 本地全文:下载
  • 作者:Juan Francisco Martínez-Murillo ; Estela Nadal-Romero ; Matthias Vanmaercke
  • 期刊名称:Landform Analysis
  • 印刷版ISSN:1429-799X
  • 电子版ISSN:2081-5980
  • 出版年度:2011
  • 卷号:17
  • 页码:105-109
  • 出版社:Bogucki Wydawnictwo Naukowe
  • 摘要:This study investigates area-specific Sediment Yield (SY) in Mediterranean badland areas at different spatial scalesusing a SY-database compiled from scientific literature. Relationships between the plot and catchment characteristics and thecorresponding SY-data are analyzed. Results indicate that in Mediterranean environments SY is larger than in other environments,especially in badlands where a high variability of SY is observed depending on the spatial scale. In intensively gulliedbadlands,a complex plot or drainage area (A) – SY relationship is observed: for A ranging between 10–5 and 10 ha,SY is veryhigh (mean SY equals 475 t ha–1 yr–1),whereas for A > 10 ha,SY decreases with increasing A (mean SY < 100 t ha–1 yr–1).
  • 关键词:badlands; sediment yield; drainage area; spatial scale
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