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Zawartość zarchiwizowana w dniu 2024-04-19

Slope instability; erosion and solid material transport in steep mountain Catchments : laboratory and field experimentations

Cel

The aim of this project is to achieve a better understanding of
environmental and economic hazards in the Alps and other high
mountain belts. Research is directed towards the physics of
slope instability, mass movements and fluvial transport of solid
material with varying grain size and densities. Modules of
appropriate models are developed.


Field experiments will be concerned with several specific items:
slope instability by mapping of slope features in combination
with sediment analysis and geophysical soundings, and Initiation
and dynamics of debris and mud flows created artificially on
natural slopes. River bed morphology by photogrammetric and
geodetic surveys of step-pool sequences, photo-seiving analysis
of grain size and roughness distribution, and detailed surveys of
microtopography with Tausendfussler device. Single particle
movement by radio tracers (PETSY): PEbble Transmitter SYstem
applied in the determination of erosion, step lengths and rest
periods, magnetic tracers for measuring travel length of clasts
with different grain sizes and grain forms, and CObble Satellite
SYstem (COSSY) for determining the lift and shear forces acting
on a coarse particle. Dynamics of bedload transport by temporal
changes of bedload measured with high temporal resolution using
sediment traps and/or a piezometric device (PI-meter), studies of
flow structures during unsteady flows and bedload transport, and
simulation of river bed reactions during the input of high
amounts of coarse material by bank failure and of landslides.

Laboratory experiments made use of flumes and related equipment.
They are focused on two of the objectives: dynamics of bedload
transport (Studies on the hydraulics of different roughness and
solid material transport in steep mountain torrents), and
Non-Newtonian flow dynamics ( Use of the new torrential platform,
studies of high density flow hydraulics, and rheometrics studies
on mud-flow and debris flow dynamics.)

Development of modules (for coarse material transport and high
density flows) are implemented according to the state of the art
of hydrological and sedimentological reasoning and computer aided
data processing.

Dziedzina nauki

Program(-y)

Temat(-y)

Zaproszenie do składania wniosków

Data not available

System finansowania

CSC - Cost-sharing contracts

Koordynator

FREIE UNIVERSITAET BERLIN
Wkład UE
Brak danych
Adres
Malteserstrasse 74-100
12249 BERLIN
Niemcy

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Koszt całkowity
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Ostatnia aktualizacja: 10 Marca 2023

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Permalink: https://cordis.europa.eu/project/id/EV5V0179/pl

European Union, 2024