Holocene floodplain deposition and scale effects in a typical European upland catchment
A case study from the Amblève catchment, Ardennes (Belgium)
Bibliographic Data
| ID | 12268276 |
|---|---|
| Authors | Bastiaan Notebaert (0000-0001-7886-2610, KU Leuven, corresponding author), Gert Verstraeten (0000-0002-6529-7381, KU Leuven), Geoffrey Houbrechts (0000-0002-8830-6543, University of Liège), François Petit (0000-0002-6506-8060, University of Liège) |
| Year | 2013 |
| Volume | 23 |
| Issue | 8 |
| Pages | 1184-1197 |
| Publication date | 2013-04-24 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | The Holocene (JOURNAL) |
| Journal identifiers | ISSN: 0959-6836 • E-ISSN: 1477-0911 |
| Publisher | SAGE Publishing (PUBLISHER • US) |
| DOI | 10.1177/0959683613483626 |
| OpenAlex | W2143431615 |
| Language | EN |
| Citations received | 2 |
| References cited | 41 |
This study quantifies Holocene alluvial sediment deposition in the Belgian Amblève catchment (1080 km 2 ), situated in the Ardennes uplands. An extended coring data set is used for a quantitative description and a quantification of the alluvial depositions. The floodplains fall into three main types: the upper and lower floodplains and the steep reaches. Total Holocene alluvial sediment deposition amounts to 32 Tg, or 0.029 Tg/km 2 . Dating of sediments using iron slag as tracer shows that on average 42% of contemporary storage was accumulated during the last 600 years. Radiocarbon dating of fluvial deposits at eight sites in the catchment confirms that the majority of the sediment is relatively recent. The increased sedimentation rates for this period are related to anthropogenic land use, possibly enhanced by climatic variations. A fluvial sediment budget was constructed for this 600 yr time period and shows that export from the catchment has about the same importance as storage in the floodplains, while lateral reworking of existing floodplain deposits only affects half the quantity of sediments. Overall, floodplain sediment storage in the Amblève catchment, comparable with other upland catchments, is of lesser importance compared with catchments dominated by loess. This can mainly be explained by lower sediment supply resulting from less intense anthropogenic land use, despite the higher sediment transport efficiency through the fluvial system. Floodplain sediment storage is scale-dependent, with initially a sharp increase in catchment area-specific sediment deposition, followed by a steady decrease with increasing catchment area
Alluvial fan · Alluvial plain · Alluvium · Deposition (geology · Drainage basin · Floodplain · Fluvial · Geochemistry · Geography · Geomorphology · Holocene · Hydrology (agriculture · Sediment · Sediment transport · Sedimentary budget · Sedimentary rock · Sedimentation · Structural basin · Environmental Science · Geology and Paleoclimatology Research · Hydrology and Sediment Transport Processes · Soil erosion and sediment transport · Geology · Oceanography · Paleontology
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| Unique citing works | 2 |
|---|---|
| Citations per year | 0.17 |
| Citation span | 2014 - 2026 (13) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 2 |