River and Reservoir Watch Version 4.6
River Discharge and Reservoir Storage Changes Using Satellite Microwave Radiometry Location of this Satellite Gauging Reach
Not calibrated to actual discharge and runoff values Chi Center: 103.675 Long. Signal/Noise: 10.0
GFDS Area ID: 237 Thailand Center: 16.2965 Lat. Good
GEE Time Lapse WorldView Time Lapse Learn more about this river Not actual area 15318 sq km WBM contributing area
Last measured: 18-Nov-24
Discharge: 2351 m3/sec Status: 2 (1, low; 2, normal flow; 3, moderate flood, r >2.33 y; 4, major flood, r >5 y)
7-day Runoff 93.2 mm 71% (7-day runoff compared to 20 y average for this date, 2004-2023)
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.
Notes: Log Pearson Type III is used to compute recurrence intervals from 24 years of record (1998-2023)
Mean discharge 2824 m3/s
Annual Runoff (percent of mean, 1998-2021) Mean Runoff 6133 mm
Mann-Kendall Runoff Trend Analysis (5%) M-K 121 Significant? yes Major Floods 10 = flood of record
Sen's slope:
0.02 z-stat 2.64
Regression slope: 0.02 p-value 0.01
Annual Maximum Q, m3/s
Brakenridge, G. R., Nghiem, S. V., Kettner, A. J., Paris, S., Cohen, S. Access to Data
River and Reservoir Watch Version 4.6, DFO Flood Observatory, University of Colorado Mann-Kendall Max Q Trend Analysis (5%) M-K 179
Robert.Brakenridge@Colorado.edu Sen's slope: 306.06 z-stat 3.92
  Regression slope: 313.02 p-value 0.00
Significant? yes
    Coefficients of Polynomial or Linear Rating Curve used:     364260.59 -774964.91 411282.39  
        x^4 x^3 x^2 x +