| Site ID: |
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2281 |
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Lat. |
37.4749 |
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Japan |
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0 |
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| River: |
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Shinano |
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Long. |
138.8517 |
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| Site name: |
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0 |
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Contributing
area: |
10110 |
km2 |
Ratio to Comparison
Station: |
0.44 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
1002 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
1778 |
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: |
712 |
m3/sec |
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Percent of
mean 7-day total: |
138.0 |
% |
(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: |
2236 |
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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2187 |
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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| 29 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
0.7 |
5.4 |
11.1 |
4.9 |
6.6 |
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| 259 |
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2003 |
11.9 |
27.3 |
6.8 |
23.0 |
102.4 |
72.3 |
3.5 |
0.9 |
0.9 |
0.9 |
4.6 |
4.1 |
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| 190 |
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2004 |
1.1 |
0.8 |
4.1 |
20.0 |
125.1 |
21.6 |
6.6 |
0.9 |
6.9 |
0.9 |
0.9 |
0.9 |
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| 1208 |
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2005 |
0.9 |
0.8 |
23.1 |
124.6 |
327.3 |
164.4 |
26.7 |
39.2 |
88.4 |
104.3 |
123.7 |
184.5 |
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| 1608 |
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2006 |
124.4 |
162.7 |
150.4 |
215.3 |
427.2 |
193.6 |
42.2 |
64.0 |
97.8 |
130.3 |
0.0 |
0.0 |
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| 1748 |
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2007 |
161.3 |
146.5 |
116.5 |
168.7 |
331.9 |
184.9 |
48.6 |
67.3 |
117.6 |
105.7 |
129.1 |
169.4 |
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| 1778 |
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2008 |
126.9 |
104.9 |
177.0 |
146.8 |
412.7 |
173.4 |
55.9 |
64.2 |
96.8 |
101.7 |
145.2 |
172.7 |
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| 1581 |
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2009 |
120.6 |
115.4 |
191.8 |
168.3 |
387.7 |
202.8 |
55.8 |
66.8 |
93.6 |
136.2 |
42.2 |
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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