Geoscience Reference
In-Depth Information
Bedload traps
(basket / fence)
(a)
Glacial
sediment
sources
Bank erosion
Cross-profiles
Sediment samples
Boulder survey
Gerlach
troughs
Suspended sediment samples
Bedload tracers
Bluff
Collapse
Interstream
Interstream
wash
wash
Collapse
Tributaries
Store
Moraine survey
Planform survey
Long-profiles
Planform photographs
Tributary cross-profiles
Tributary long-profiles
Channel
storage
Hillslope
Continuous
Turbidity
Electrical conductivity
Output
Discrete
Channel survey
Bedload Samples
Tracers
Suspended sediment samples
Water samples
Gravel traps
Sand traps
Turbidity
Electrical conductivity
Moraine
222.38
(b)
Glacier
Bluff
Collapse
Wash
16399
Collapse
0.08
560
Tributaries
Toe
store
108.1
220.2
Hillslopes
Storage
1310
11.4
4792
6125
Valley train
output
21695
Duration of measurements
25 May to 30 July 1987
All values in tonnes
Basin output
Fig. 2.9
Sediment budget for Bas Glacier d'Arolla proglacial zone, Valais, Switzerland. (a) Diagram showing the sediment transfer
processes and storages, and measured sediment budget components. (b) Summary of main sediment fluxes and sediment storages in
the proglacial fluvial sediment budget May-July 1987 (values in tonnes). (Source: Warburton 1990.)
