| Site ID: |
|
|
2278 |
|
|
|
|
Lat. |
35.9347 |
|
Japan |
|
|
0 |
|
|
|
|
| River: |
|
|
Tone Delta |
|
|
|
|
Long. |
140.5100 |
|
|
|
|
|
|
|
|
|
| Site name: |
|
0 |
|
|
|
Contributing
area: |
1329 |
km2 |
Ratio to Comparison
Station: |
0.06 |
|
|
|
|
| Latest measurement: |
6-Nov-09 |
|
|
|
Mean annual
runoff: |
23506 |
mm |
(2003-2007) |
|
|
|
|
|
|
| Hydrologic status: |
|
2 |
Normal flow |
Total runoff
this year: |
26884 |
mm |
|
|
|
|
|
|
|
|
| Latest M/C ratio: |
|
1.39 |
|
|
|
Seven day
total: |
1 |
mm |
|
|
|
|
|
|
|
|
| Estimated current discharge: |
1186 |
m3/sec |
|
Percent of
mean 7-day total: |
99.7 |
% |
(today's value compared to
mean for same period, 2003-2007) |
|
|
| Ice-cover determination: |
|
|
5 yr
recurrence flood: |
3283 |
m3/sec |
(from Log Pearson III
analysis) |
|
|
|
|
|
| Status Codes: 1 = Low
flow, 2 = Normal flow, 3 = Flood, 4 = Major Flood |
|
3238 |
m3/sec |
(from Gumbel Extreme Value
analysis) |
|
|
|
|
| Comparison Station Information: |
Tokwe
Confluence D/s C/s (1495240) |
|
|
|
Contributing
Area: |
7280 |
sq mi |
23237 |
sq km |
|
|
| (Data from this gaging station are used for the calibration to
discharge, with an adjustment for different contributing areas) |
|
|
|
|
|
|
|
|
| Notes: |
Comparison station is
placeholder, only; this site is not yet calibrated to actual discharge |
|
|
|
|
|
|
|
|
|
| Discharge and runoff, based on satellite remote sensing (NASA
AMSR-E data) |
|
|
|
|
|
|
|
|
|
|
|
| (For U.S, sites, nearby ground station discharge may also be
shown) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2008-Present |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2002-Present |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Annual |
|
|
|
Monthly Total Runoff (mm),
computed from above satellite-based discharge data |
|
|
|
|
|
|
| Runoff |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| (mm) |
|
|
|
Jan |
Feb |
Mar |
April |
May |
June |
July |
Aug |
Sept |
Oct |
Nov |
Dec |
|
|
|
| 9126 |
|
|
2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
1924.3 |
2005.9 |
2103.8 |
1571.5 |
1520.3 |
|
|
|
| 20958 |
|
|
2003 |
1042.8 |
1510.8 |
1569.1 |
2664.7 |
2127.9 |
1281.0 |
1234.3 |
2045.6 |
1755.9 |
2127.8 |
1501.0 |
2097.4 |
|
|
|
| 24987 |
|
|
2004 |
1257.5 |
1011.2 |
1088.6 |
3629.4 |
1765.2 |
1645.6 |
2569.7 |
2718.1 |
3286.9 |
2296.3 |
1819.7 |
1898.4 |
|
|
|
| 24540 |
|
|
2005 |
1391.9 |
1045.9 |
1098.1 |
3697.4 |
3734.4 |
1915.9 |
1578.2 |
1653.6 |
1891.1 |
1964.8 |
2079.7 |
2489.3 |
|
|
|
| 22887 |
|
|
2006 |
1910.5 |
1858.0 |
2569.9 |
3829.6 |
3829.3 |
1737.7 |
1188.2 |
2011.9 |
1623.7 |
2327.8 |
0.0 |
0.0 |
|
|
|
| 24161 |
|
|
2007 |
2264.0 |
1672.3 |
1695.7 |
3540.4 |
3492.6 |
1475.0 |
1304.7 |
1928.5 |
1939.5 |
1680.6 |
1669.4 |
1497.9 |
|
|
|
| 26884 |
|
|
2008 |
1726.7 |
1526.7 |
1837.9 |
3817.7 |
3591.3 |
1670.2 |
1521.5 |
1608.6 |
2499.7 |
2523.4 |
1802.2 |
2758.3 |
|
|
|
| 23663 |
|
|
2009 |
1396.7 |
1943.5 |
2822.4 |
4253.6 |
3378.1 |
1910.5 |
1533.4 |
1934.0 |
1922.7 |
1864.4 |
703.7 |
0.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Discharge is estimated directly via a rating equation from
the remote sensing data (M/C ratio) shown below. |
|
|
|
|
|
|
|
|
|