Kaufman served as program manager for NASA’s Earth Observatory from its launch in April 1999, through January 2006.
Published Jun 8, 2006
Twenty years ago this month, astronauts on the space shuttle Discovery used the spacecraft's robotic arm to launch the Upper Atmosphere Research Satellite into orbit around the Earth.
Published Sep 24, 2011
Satellite instruments such as CALIPSO can measure the distribution of aerosols in a vertical slice of the atmosphere, as with this dust plume off the west coast of Africa on April 22, 2010.
Published Nov 27, 2010
Nearly half of the aerosols in the air over North America have sources in other countries. The vast majority of it is dust from Asia.
Published Aug 3, 2012
This global map shows high concentrations of aerosols, particles in the atmosphere, over drought-afflicted Russia and South America in August 2010.
Published Sep 18, 2010
This series of images, derived from a computer model, shows wind-blown dust from North Africa as it spread over the Atlantic Ocean on July 1, 2009.
Published Dec 18, 2010
