| 1
CONTACT PERSON |
|
|
1.1
Name |
Dino
Torri |
|
1.2
Address |
C.N.R.
C.S. Genesi, Classificazione e Cartografia del Suolo P. Le delle
Cascine, 15 50144 Firenze, ITALY. |
|
1.3
Tel |
+39
55 360517/352051 |
|
1.4
Fax |
+39
55 321148 |
|
1.5
E-mail |
torri@csgccs.fi.cnr.it |
|
1.6
List other researchers involved: |
E
Busoni, L. Borselli, C. Calzolary, S. Carnicelli, A. Colica,
M. de Sette, U. Galligani, F. Monaci |
|
|
| 2
WATER EROSION |
|
|
2.1
mm2 - cm2: |
|
|
2.2
m2: |
Soil
surface dynamics: physical degradation (surface sealing, crusting)
and its impact on surface roughness, infiltration and runoff;
sub-surface dynamics (piping) and seepage. |
|
2.3
100m2 - 10 000 m2: |
Interrill
and rill erosion; ephemeral) gully erosion |
|
2.4
small catchments (< 100 ha): |
Gully
erosion |
|
2.6
Other scale or processes investigated: |
Badland
dynamics |
|
|
| 3
WIND EROSION |
|
|
|
| 4
MASS MOVEMENTS Spatial scale and relevant processes
sensitive to changes in climate and land use, and the hypothesis
which is being tested. |
|
10
ha; surficial mass movements (e.g. slumps and solifluctions)
sensitive to climate and land use changes. |
|
|
| 5
TILLAGE EROSION |
|
|
|
| 6
TEMPORAL SCALE OF EXPERIMENTS |
|
|
6.1
events: |
50-60
2-5 minutes. |
|
6.2
days: |
- |
|
6.3
weeks: |
- |
|
6.4
months: |
- |
|
6.5
years: |
5,
several months. |
|
6.6
remarks: - |
|
|
|
| 7
DESCRIPTION OF EROSION FACTORS STUDIED |
|
|
7.1
Climate: |
Rainfall
characteristics, temperature, wind. |
|
7.2
Topography: |
Aspect,
slope, length, surface depression. |
|
7.3
Soils: |
Dynamics
of aggregate size distribution and stability, cohesion, soil
resistance dynamics. |
|
7.4
Vegetation: |
Effects
on erosion - soil forming processes. |
|
7.5
Management: |
- |
|
7.6
Others: |
Lithology |
|
| 8
FIELD EXPERIMENTS Description of the field site and
of the type of experiments and equipment involved for each of
the erosion processes being studied: |
|
8.1
Erosion process: |
Rainfall
simulation (rill/interrill/sealing/working/infiltration) pins
and terrestrial photogrammetry, field survey. |
|
8.2
Location (town, state, country): |
Scarperia,
Tuscany, Italy. Valley of the river Era, Tuscany, Italy. Valley
of the river Orcia, Tuscany, Italy. |
|
8.3
Equipment involved: |
Rainfall
simulators, profilometers, other equipment specifically designed
(e.g. flow depth and velocity metering). |
|
8.4
Remarks: |
|
|
| 9
LABORATORY EXPERIMENTS Description of the laboratory
and the type of experiments and equipment involved for each
of the erosion processes studied: |
|
Rainfall
simulator, overland flow transport flume, overland floe detachment
flume, flow depth and velocity meter, soil surface profilometer,
soil physics laboratory. |
|
|
| 10
REMARKS |
|
|
|
| 11
LIST RELEVANT PUBLICATIONS |
|
|
Torri,
D., and Borselli, L. 1991. Overland flow and soil erosion: some
processes and their interactions. Catena Supplement No 9, pp
129-137.
Torri,
D., and Poesen, J. 1992. The effect of soil surface slope
on rain drop detachment. Catena, 19, No 6, pp 561-578, Cremlingen.
Torri,
D., Poesen, J., Monaci, F., and Busoni, E. 1994. Rock fragment
content and fine bulky density. Catena, Vol 23m pp 65-71.
|
