River and Reservoir Watch
Version 4.5 |
|
|
|
|
|
|
|
|
River
Discharge and Reservoir Storage Changes Using Satellite Microwave Radiometry |
|
|
|
|
|
|
|
|
|
|
|
Chao Praya |
|
Center: |
100.26 |
Long. |
Signal/Noise: |
30.8 |
|
GFDS Area ID: |
249 |
|
|
Thailand |
|
Center: |
16.019 |
Lat. |
|
Excellent |
|
GEE Time Series |
|
WorldView
Time Series |
Learn more about
this river |
|
|
34267 |
sq km |
WBM contributing area |
Last measured: |
2-Dec-24 |
|
|
|
|
|
|
|
|
|
|
Discharge: |
|
988 |
m3/sec |
|
Status: |
2 |
(1, low; 2, normal flow; 3, moderate flood, r
>1.5 y; 4, major flood, r >5 y) |
|
7-day Runoff |
17.0 |
mm |
|
|
#N/A |
(7-day runoff compared to 20 y average for this
date, 2002-2021) |
|
Flood Magnitude: |
0.0 |
Scale of 0-10 |
|
Flood
Magnitude Defined |
|
|
Technical
Summary |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Notes: |
7-day forward weighted moving average is
applied. |
|
Geolocation correction, commencing April 1,
2012: |
0 |
|
|
|
Low flow is 20th percentile discharge for this
day, 2003-2013. |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Log
Pearson III computes recurrence intervals from 22 years of record (1998-2019) |
Change in 10 yr flood discharge (2010-2021
/1998-2009): |
71.4% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Mean discharge |
432 |
m3/s |
|
Annual Runoff (percent of mean, 1998-2021) |
|
|
|
Mean Runoff |
|
398 |
mm |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Major
Floods |
|
Change in Annual Runoff (2010-2021/1998-2009): |
86.6% |
|
|
|
|
|
10 = Flood of Record |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Protected Under
United States Copyright Law |
|
|
|
|
|
|
|
Access to Data |
Sample
Citation: Brakenridge, G. R., Kettner, A. J., Paris, S., Cohen, S., Nghiem,
S. V. , River and Reservoir Watch Version 4.5, |
|
|
|
|
DFO Flood
Observatory, University of Colorado, USA.
http://floodobservatory.colorado.edu/ SiteDisplays/ 20.htm (Accessed 20
February 2023). |
|
|
Robert.Brakenridge@Colorado.edu |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Coefficients of
Polynomial or Linear Rating Curve used: |
|
|
|
-10379.34 |
10178.51 |
|
|
|
|
|
|
|
|
x^4 |
x^3 |
x^2 |
x |
+ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|