| Site ID: |
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2284 |
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Lat. |
34.7814 |
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Japan |
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0 |
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| River: |
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Tenryu |
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Long. |
137.8326 |
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| Site name: |
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0 |
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Contributing
area: |
5716 |
km2 |
Ratio to Comparison
Station: |
0.25 |
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| Latest measurement: |
6-Nov-09 |
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Mean annual
runoff: |
1604 |
mm |
(2003-2007) |
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| Hydrologic status: |
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2 |
Normal flow |
Total runoff
this year: |
2043 |
mm |
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| Latest M/C ratio: |
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1.32 |
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Seven day
total: |
1 |
mm |
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| Estimated current discharge: |
880 |
m3/sec |
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Percent of
mean 7-day total: |
238.9 |
% |
(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: |
1698 |
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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1656 |
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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| 326 |
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2002 |
no data |
no data |
no data |
no data |
no data |
no data |
no data |
27.8 |
61.7 |
86.3 |
36.3 |
114.3 |
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| 1323 |
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2003 |
105.1 |
106.3 |
182.7 |
158.6 |
213.4 |
169.6 |
21.3 |
72.8 |
125.6 |
30.8 |
77.4 |
59.5 |
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| 749 |
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2004 |
47.8 |
30.5 |
127.0 |
111.4 |
191.3 |
107.3 |
36.3 |
32.3 |
9.4 |
17.0 |
28.4 |
10.3 |
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| 1904 |
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2005 |
34.1 |
94.0 |
279.3 |
188.6 |
238.3 |
194.4 |
84.9 |
154.9 |
149.7 |
113.1 |
158.4 |
214.6 |
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| 1828 |
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2006 |
191.0 |
136.7 |
234.3 |
135.8 |
163.7 |
246.6 |
152.1 |
200.9 |
177.5 |
189.2 |
0.0 |
0.0 |
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| 2215 |
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2007 |
140.7 |
168.1 |
151.9 |
138.3 |
241.8 |
256.5 |
142.9 |
222.3 |
190.4 |
195.6 |
174.1 |
192.7 |
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| 2043 |
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2008 |
105.3 |
118.1 |
212.9 |
143.1 |
252.6 |
197.5 |
287.0 |
95.4 |
126.0 |
216.1 |
139.6 |
149.5 |
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| 2216 |
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2009 |
163.1 |
180.0 |
219.6 |
161.0 |
246.6 |
253.7 |
288.0 |
187.8 |
234.5 |
174.0 |
107.3 |
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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