| 1
Contact person |
|
1.1
Name |
Francesc
Gallart Gallego |
|
1.2
Address |
Institut
de Ciències de la Terra
"Jaume Almera".
c/Lluís Solè i Sabarìs s/n.
Barcelona 08025 Spain |
|
1.3
Tel |
+34
93 409 54 10 |
|
1.4
Fax |
+34
93 4110012 |
|
1.5
Email |
fgallar@ija.csic.es |
|
1.6
Other researchers involved: |
Dra.Pilar
Llorens, Dr. David Regüés, Jérôme Latron |
|
| 2
Survey Details |
|
2.1
Dates of erosion monitoring survey: |
1989-92
(a) 1994-1998 (b) |
|
2.1
Water/wind erosion? |
water |
|
2.3
Area monitored: |
(a)
Cal Parisa (0,16 km2).
b)Cal Rodo (4,17 km2), Ca L’Isard (1,32 km2),
Can Vila (0,56 km2) and Sta.Magdalena (0,52 km2).
High waters of Llobregat river,
Catalonia (NE Spain).
|
|
2.4
Character of area: |
Heterogeneous:
abandoned farmlands, forest, pasture, badlands, terraced fields.
Clayey and calcareous bedrock. Climate middle mountain Mediterranean |
|
2.5
Frequency of monitoring: |
Varied,
depending on rainfall distribution, low discharge:
1 hour, high discharge: 2 minutes. |
|
2.6
What fraction of fields in the monitored area were included
in the survey? |
The total area |
|
2.7
How were estimates of erosion made? |
suspended
sediment by infrared and ultrasonic sensors; also with the ISCO
automatic samplers. |
|
2.8
Were air photographs used? |
Available
for 1957, 1965 and later |
|
2.9
For each erosion site, information recorded: |
Contributing
area.
Litology, physical and chemical characteristics.
Thermical and hydrical regolith regimes. Vegetation kinds
and cover %.
|
|
|
2.10
Data obtained from elsewhere: |
None |
|
2.11
Data calculated from above information: |
Discharge
(m3/sec)
Erosion (Tm/ha)
Runoff coefficient. |
|
2.12
Meterological station density and type: |
2
weather stations |
|
2.13
Length of record of meterological data: |
since
1989 5 minute data recorded |
|
| 3.
Associated Work |
|
3.1
Associated experimental or plot-based work: |
see
‘experimental’ form |
|
3.2
Associated modelling work: |
|
|
| 4.
Documentation |
|
4.1
Published reports of the monitoring survey and/or results: |
| Llorens,
P.; Queralt, I.; Plana, F. and Gallart, F. (1997). Studying
sediment transfer in a small Mediterranean mountainous basin
subject to land abandonment. ‘Earth Surface Processes and Landforms’,
1027-1035.
Gallart
F.; Latron J. and Regüés D. (1998) Hydrologycal and erosion
processes in the research catchments of Vallcebre (Pyrenees).
Modeling erosion by wather. ‘ANSI/NATO series’, 1-55, Berlín,
503-511.
Gallart
F.; Regüés D.; Latron J. and Soler M. (submited) Seasonal
control on the hydrological and erosional behaviour of badlands
in a Mediterranean mountainous catchment. ‘Catena’.
|
|
4.2
Other relevant publications: |
|
|
| 5.
Availability |
|
5.1
Erosion/land use data: |
On
request subject to GCTE |
|
5.2
Meterological data: |
On
request subject to GCTE |
| 6.
Other Information |
|
6.1
Is the monitoring survey ongoing? |
YES |
|
6.2
Funding agency for the survey: |
CICYT,
DGCONA, CE. |
|
6.3
Any other details: |
|
