Brazils Araca River is a tributary of the Negro River, which feeds into the Amazon.
This image was acquired by Landsat 7's Enhanced Thematic Mapper plus (ETM+) sensor on March 15, 2000. This is a false-color composite image made using shortwave infrared, near infrared, and green wavelengths. The image has also been sharpened using the sensors panchromatic band.
Image provided by the USGS EROS Data Center Satellite Systems Branch.