| 1
CONTACT PERSON |
|
|
1.1
Name |
Dr.
Brad Wilcox |
|
1.2
Address |
Chief
Scientific Officer, IAI, Av. dos Astronautas, 1758, 12227-010
Sao Jose dos Camos SP, BRAZIL |
|
1.3
Tel |
+55
12 325 6860 |
|
1.4
Fax |
+55
12 325 4410 |
|
1.5
E-mail |
bwilcox@iai.dir.int |
|
1.6
List other researchers involved: |
David
Breshears, John Pitlick. |
|
|
| 2
WATER EROSION |
|
|
2.1
mm2 - cm2: |
Dynamics
of soil aggregation |
|
2.2
m2: |
Numerous
microplots (1-4m2). 6 plots (30m2). |
|
2.6
Other scale or processes investigated: |
3
hillslope scale study areas. |
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| 3
WIND EROSION |
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| 4
MASS MOVEMENTS |
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| 5
TILLAGE EROSION |
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|
Spatial
scale considered: |
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| 6
TEMPORAL SCALE OF EXPERIMENTS |
|
|
6.1
events: |
yes |
|
6.2
days: |
yes |
|
6.3
weeks: |
- |
|
6.4
months: |
- |
|
6.5
years: |
- |
|
6.6
remarks: |
Experiments
began June 1993.
Data are collected continuously. At this point two years of
data on the hillslope scale and four years of data at the plot
(30 m2) scale. |
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|
|
|
| 7
DESCRIPTION OF EROSION FACTORS STUDIED |
|
|
7.1
Climate: |
Wind,
precipitation, temperature rel. humidity |
|
7.2
Topography: |
Detailed
surveys on each site |
|
7.3
Soils: |
Ks,
texture |
|
7.4
Vegetation: |
Cover. |
|
7.5
Management: |
Semiarid
natural. No domestic grazing. |
|
| 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: |
Runoff
occurs from intense summer thunderstorms, snowmelt and prolonged
frontal storms |
|
8.2
Location (town, state, country): |
Los
Alamos, New Mexico, USA. |
|
8.3
Equipment involved: |
TDR,
soil temperature gauges, runoff plots, weather station, automatic
data acquisition equipment |
|
8.4
Remarks: |
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| 9
LABORATORY EXPERIMENTS Description of the laboratory
and the type of experiments and equipment involved for each
of the erosion processes studied: |
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| 10
REMARKS |
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| 11
LIST RELEVANT PUBLICATIONS |
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|
Wilcox,
B. 1994 Runoff and erosion in P-J ecosystems. Journal of Range
Management.
Wilcox,
B. and Breshears, D. 1994. Hydrology: Ecology of P-J woodlands.
Forest service conference on Pinyion -juniper.
Wilcox,
B. et al 1995. Frijoletos Experimental Watershed. Journal
of Soil and Water Conservations (in press).
|
