| Site ID: |
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2277 |
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Lat. |
37.3876 |
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Japan |
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0 |
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| River: |
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Abukuma |
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Long. |
140.4073 |
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| Site name: |
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0 |
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Contributing
area: |
1302 |
km2 |
Ratio to Comparison
Station: |
0.06 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
7026 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
10523 |
mm |
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| Latest M/C ratio: |
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1.28 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
687 |
m3/sec |
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Percent of
mean 7-day total: |
162.6 |
% |
(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: |
2043 |
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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1947 |
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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| 1001 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
110.0 |
77.1 |
294.1 |
297.7 |
222.0 |
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| 2925 |
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2003 |
121.1 |
145.1 |
97.4 |
373.2 |
878.5 |
633.7 |
125.6 |
17.3 |
9.8 |
80.9 |
288.5 |
154.1 |
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| 3065 |
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2004 |
57.3 |
255.8 |
205.3 |
305.8 |
883.2 |
621.2 |
84.9 |
71.1 |
87.2 |
139.8 |
273.2 |
80.4 |
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| 8661 |
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2005 |
149.9 |
135.9 |
229.4 |
831.7 |
2196.8 |
817.6 |
295.0 |
305.8 |
609.3 |
850.2 |
1234.0 |
1005.2 |
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| 8867 |
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2006 |
314.4 |
613.6 |
683.2 |
1028.5 |
2183.4 |
1725.3 |
456.9 |
493.1 |
708.3 |
660.1 |
0.0 |
0.0 |
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| 11614 |
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2007 |
557.5 |
624.2 |
814.7 |
874.9 |
2828.1 |
1754.9 |
580.4 |
487.9 |
627.3 |
802.0 |
939.5 |
722.1 |
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| 10523 |
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2008 |
757.2 |
341.7 |
828.7 |
979.1 |
1739.9 |
1678.6 |
523.0 |
467.6 |
584.0 |
738.7 |
944.3 |
940.9 |
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| 11255 |
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2009 |
869.1 |
752.0 |
869.8 |
771.8 |
2841.3 |
1818.1 |
609.7 |
534.4 |
739.1 |
1061.3 |
388.1 |
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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