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.
Ribeira de Grāndola
(Portugal)
1.
Location.
2.
Descriptive data for study catchment
|
Catchment area |
265 Km2 |
| Stream
length: |
40 Km |
| Climate: |
Mediterranean |
| Annual
rainfall: |
670 mm/year |
| Mean
annual discharge at river mouth: |
1.44 m3/s
(0 - 123 m3/s) |
| Altitudinal
range headwater to river mouth: |
320 m |
| Population |
inhabitants |
| Lithology: |
|
| Land
uses: |
|
3.
Descriptive Data for Study Subcatchment
(catchment defined by WWTP)
|
Catchment
area: |
km2 |
| Stream
length: |
|
| Annual
rainfall: |
mm/year |
| Mean
annual discharge before WWTP effluent: |
m3/s |
| Altitudinal
range from headwater to WWTP effluent: |
m |
| Population: |
inhabitants |
| Distribution
of population: |
|
| Lithology: |
|
| Land
uses: |
|
4.
Wastewater Treatment Plant
Geographic
location:
|
|
Altitude:
|
m a. s. l. |
Origin
of sewage inputs to WWTP:
|
|
Equivalent
drained population:
|
equivalent inhabitants/day |
Type
of nutrient treatment:
|
|
Treated
outflow discharge:
|
m3/s |
Design
outflow discharge:
|
|
COD:
|
mg O2/L |
BOD:
|
mg O2/L |
Suspended
solids:
|
|
Conductivity:
|
|
N:
|
mg/L |
| P: |
mg/L |
| Dissolved
oxygen: |
|
5.
Descriptive data for experimental reach
(data
for the reference subreach, upstream of WWTP effluent)
-
Morphology
-
Width: m
-
Depth: cm
-
Dominant
substrata type:
-
Water
chemistry
-
Biological
communities
|
.
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|
