Geoscience Reference
In-Depth Information
Table 11.4.
Changes in spring and stream hydrology of the Dabaka watershed due to climate change and Land use Degradation (discharge is average
of existing springs or streams in respective study periods).
Study
Periods
No. of
Perennial
Springs and
Streams
Average Discharge of Total
Perennial Springs and
Streams
Monthly
Annual
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov. Dec.
Average
Existing
(2005-2010)
56 Springs
Spring Discharge (l/s)
2.00
2.00
1.50
1.00
0.50
1.00
2.00
4.00
4.00
2.00
2.00
1.50
1.96
248 Streams
Stream Discharge (l/s/km
2
)
1.70
2.43
2.32
0.30
18.50 24.76 37.56
41.89
21.56
2.64
2.76
1.59
13.17
Previous
(1985-2010)
116 Springs
Spring Discharge (l/s)
3.00
3.00
2.00
3.00
1.50
2.00
3.00
6.00
6.00
4.00
3.00
3.00
3.29
162 Streams
Stream Discharge (l/s/km
2
)
3.00
4.85
6.56
0.78
26.90 30.61 42.61
48.08
27.44
4.92
3.27
2.90
16.82
Change
(1985-2010)
-60 Springs
Spring Discharge (l/s)
1.00
1.00
0.50
2.00
1.00
1.00
1.00
2.00
2.00
2.00
1.00
1.50
1.33
-80 Streams
Stream Discharge (l/s/km
2
)
1.30
2.42
4.24
0.48
8.40
5.85
5.05
6.19
5.88
2.28
0.51
1.31
3.65
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