River Watch Version 3.4 G. R. Brakenridge*
Experimental Satellite-Based River Discharge Measurements using passive microwave radiometry Signal/Model agreement: Poor T. De Groeve**
Mahavavy Center: 49.005  Long. S/N rating: Poor S. Cohen***
GFDS Site Number 1582 Predicted Flooded Area Madagascar Center: -13.185  Lat. S.V. Nghiem****
GEE Time Lapse Learn more about this river 4445 sq km WBM contributing area A. J. Kettner*
Last measured: 21-May-17 Obtain Data J.P.M. Syvitski*
Discharge: 285 m3/sec Status: 2 (1, low; 2, normal flow; 3, moderate flood, r >1.5 y; 4, major flood, r >5 y) *CSDMS/INSTAAR, University of Colorado
7-day Runoff 28.9 mm 152% (7-day runoff compared to 10 y average for this date, 2003-2012) **Joint Research Centre, Ispra, Italy
Flood Magnitude: 0.0 Scale of 0-10 Flood Magnitude Defined Technical Summary ***University of Alabama
****Jet Propulsion Laboratory, California
Sensors: TRMM, AMSR-E, AMSR-2, GPM
Annual Maximum Discharge
1998 400 m3/sec
1999 448 m3/sec
2000 402 m3/sec
2001 537 m3/sec
2002 476 m3/sec
2003 377 m3/sec
2004 362 m3/sec
2005 480 m3/sec
2006 383 m3/sec
2007 333 m3/sec
2008 413 m3/sec
2009 399 m3/sec
2010 334 m3/sec
Notes: 4-day forward moving average is applied. 2011 530 m3/sec
Low flow threshold is 20th percentile discharge for this day, 2003-2013. 2012 516 m3/sec