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2135 |
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Lat. |
32.7056 |
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China |
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Shaanxi |
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| River: |
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Han |
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Long. |
109.0562 |
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| Site name: |
|
Ankang |
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Contributing
area: |
39301 |
km2 |
Ratio to Comparison
Station: |
0.34 |
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| Latest measurement: |
6-Nov-09 |
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|
Mean annual
runoff: |
969 |
mm |
(2003-2007) |
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| Hydrologic status: |
|
2 |
Normal flow |
Total runoff
this year: |
1812 |
mm |
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| Latest M/C ratio: |
|
1.10 |
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|
Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
3087 |
m3/sec |
|
Percent of
mean 7-day total: |
103.9 |
% |
(today's value compared to
mean for same period, 2003-2007) |
|
| Ice-cover determination: |
|
|
5 yr
recurrence flood: |
6592 |
m3/sec |
(from Log Pearson III analysis) |
|
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|
|
| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
6151 |
m3/sec |
(from Gumbel Extreme Value analysis) |
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| Comparison Station Information: |
Bengbu
(2181950) |
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Contributing
Area: |
|
sq mi |
116778 |
sq km |
|
| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
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| Notes: |
Rating equation is based
on comparison of monthly means from a station in the region |
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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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| 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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| 163 |
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|
2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
18.1 |
40.7 |
31.2 |
20.4 |
52.6 |
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| 436 |
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|
2003 |
50.9 |
53.8 |
26.9 |
41.8 |
8.9 |
20.0 |
34.7 |
39.8 |
36.7 |
41.9 |
29.7 |
51.0 |
|
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| 345 |
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|
2004 |
32.7 |
52.0 |
44.6 |
30.9 |
20.4 |
36.5 |
34.2 |
14.1 |
22.1 |
13.6 |
13.0 |
31.4 |
|
|
| 1202 |
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|
2005 |
20.6 |
15.2 |
79.3 |
69.4 |
53.9 |
62.8 |
92.4 |
94.9 |
115.5 |
220.9 |
156.3 |
220.8 |
|
|
| 1193 |
|
|
2006 |
155.4 |
133.3 |
172.1 |
104.1 |
80.1 |
93.0 |
87.6 |
78.8 |
136.1 |
152.1 |
0.0 |
0.0 |
|
|
| 1668 |
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|
2007 |
201.7 |
161.9 |
175.0 |
142.5 |
54.3 |
86.8 |
126.4 |
148.7 |
133.8 |
112.0 |
142.5 |
182.6 |
|
|
| 1812 |
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|
2008 |
150.3 |
167.6 |
231.3 |
127.9 |
79.8 |
117.3 |
105.5 |
137.6 |
141.7 |
179.4 |
162.7 |
210.7 |
|
|
| 1447 |
|
|
2009 |
235.0 |
185.0 |
207.0 |
130.7 |
102.4 |
76.1 |
94.8 |
140.8 |
107.8 |
110.3 |
57.1 |
0.0 |
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|
Mean Annual Runoff: |
1109 |
|
Standard Deviation: |
610 |
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|
Trend in Annual Runoff
(slope): |
309.65 |
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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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|
