River and Reservoir Watch Version 4.6
River Discharge and Reservoir Storage Changes Using Satellite Microwave Radiometry Location of this Satellite Gauging Reach
Irrawaddy Center: 94.765 Long. Signal/Noise: 7.9
GFDS Area ID: 29 Myanmar Center: 20.6165 Lat. Fair
GEE Time Lapse WorldView Time Lapse Learn more about this river 328795 sq km WBM contributing area
Last measured: 13-Jul-24
Discharge: 37342 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 48.1 mm 206% (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 10852 m3/s
Annual Runoff (percent of mean, 1998-2021) Mean Runoff 1034 mm
Mann-Kendall Runoff Trend Analysis (5%) M-K 1 Significant? no Major Floods 10 = flood of record
Sen's slope:
0.00 z-stat 0.00
Regression slope: 0.00 p-value 1.00
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 101
Robert.Brakenridge@Colorado.edu Sen's slope: 604.59 z-stat 2.20
  Regression slope: 539.71 p-value 0.03
Significant? yes
    Coefficients of Polynomial or Linear Rating Curve used:       -308981.39 300838.98  
        x^4 x^3 x^2 x +