River and Reservoir Watch Version 3.8

This work and associated data are protected by a Creative Commons License.

River Discharge and Reservoir Storage Changes Using Satellite Microwave Radiometry

Signal/Model agreement:

Good

Sao Francisco

Center:

-42.614

Long.

S/N rating:

Fair

GFDS Site Number

22

Brazil

Center:

-10.575

Lat.

GEE Time Lapse

Modis History

Learn more about this river

422812

sq km

WBM contributing area

Last measured:

26-Apr-20

Obtain Data

Discharge:

15019

m3/sec

Status:

3

(1, low; 2, normal flow; 3, moderate flood, r >1.5 y; 4, major flood, r >5 y)

7-day Runoff

22.3

mm

308%

(7-day runoff compared to 20 y average for this date, 2000-2019)

Flood Magnitude:

7.5

Scale of 0-10

Flood Magnitude Defined

Technical Summary

Notes:

10-day forward moving average is applied.

Sensor corrections:

20130401-20141231:

-3499

Low flow is 20th percentile discharge for this day, 2003-2013.

Post-20141231:

-4177

Notes:

Log Pearson Type III is used to compute recurrence intervals from 22 years of record (1998-2019)

Mean discharge

3381

m3/s

Annual Runoff (percent of mean, 1998-2017)

Mean Runoff

258

mm

Monthly Runoff

Major Floods

Authors:

G. R. Brakenridge*

T. De Groeve**

S. Cohen***

*CSDMS/INSTAAR, University of Colorado

***University of Alabama

A. J. Kettner*

S. Paris**

S.V. Nghiem****

**Joint Research Centre, Ispra, Italy

***JPL/Caltech