| Site ID: |
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1985 |
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Lat. |
29.3108 |
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Iran |
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0 |
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| River: |
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Helleh |
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Long. |
51.0100 |
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| Site name: |
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0 |
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Contributing
area: |
730 |
km2 |
Ratio to Comparison
Station: |
0.03 |
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| Latest measurement: |
18-Nov-09 |
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Mean annual
runoff: |
3533 |
mm |
(2003-2007) |
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| Hydrologic status: |
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1 |
Low flow |
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Total runoff
this year: |
7280 |
mm |
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| Latest M/C ratio: |
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1.10 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
3 |
m3/sec |
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Percent of
mean 7-day total: |
4.0 |
% |
(today's value compared to
mean for same period, 2003-2007) |
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| Ice-cover determination: |
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5 yr
recurrence flood: |
1111 |
m3/sec |
(from Log Pearson III
analysis) |
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| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
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1025 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
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| Comparison Station Information: |
Tokwe
Confluence D/s C/s (1495240) |
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Contributing
Area: |
7280 |
sq mi |
23237 |
sq km |
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| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
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| Notes: |
Comparison station is
placeholder, only; this site is not yet calibrated to actual discharge |
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| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
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| (For U.S, sites, nearby ground station discharge may also be
shown) |
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2008-Present |
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2002-Present |
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| Annual |
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|
Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
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| Runoff |
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| (mm) |
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Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
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| 55 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
9.4 |
9.0 |
12.2 |
11.8 |
12.2 |
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| 501 |
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2003 |
12.2 |
83.1 |
25.5 |
32.5 |
112.9 |
25.5 |
14.5 |
12.2 |
11.8 |
12.2 |
9.8 |
148.6 |
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| 6383 |
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2004 |
1711.4 |
923.6 |
336.6 |
282.4 |
872.5 |
486.3 |
177.7 |
12.2 |
11.8 |
12.2 |
11.8 |
1544.2 |
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| 5503 |
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2005 |
2172.7 |
654.1 |
248.4 |
160.8 |
865.7 |
496.0 |
54.8 |
273.6 |
12.0 |
12.2 |
24.6 |
528.0 |
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| 1511 |
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2006 |
221.1 |
68.9 |
172.3 |
149.5 |
640.8 |
173.8 |
48.2 |
12.2 |
11.8 |
12.2 |
0.0 |
0.0 |
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| 3766 |
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2007 |
539.0 |
105.7 |
36.5 |
596.6 |
799.1 |
602.2 |
228.7 |
60.5 |
11.8 |
12.2 |
11.8 |
761.5 |
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| 7280 |
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2008 |
871.1 |
885.5 |
775.4 |
1198.7 |
950.1 |
954.5 |
938.4 |
312.3 |
142.0 |
36.5 |
52.4 |
163.5 |
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| 8516 |
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2009 |
1350.2 |
680.1 |
304.1 |
1042.1 |
1490.7 |
1225.7 |
1009.9 |
870.6 |
298.1 |
234.1 |
10.1 |
0.0 |
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| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
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