Quebec Smoke: NASA Goddard Micro Pulse Lidar
• Vertical data are crucial for PM transport• MPL LIDAR data on July 7 show smoke descending from 3 km to the surface
02 July 6 July 7 July 8
MPL Lidar Network
GOES July 7, 02
Elevated Smoke Plume over NY City, May 31, 2001
• Some smoke and haze plumes are above the surface layer, others are within
• Elevated layers can be inferred from the combination of surface and integral sensors
SeaWiFS, May 30, 2001
SeaWiFS, May 31, 2001
AERONET AOT
HOURLY PM2.5, NY City
Elevated Asian Dust Layer over Washington DC
• The ‘Perfect Dust Storm’ in Gobi, April 7, 2001
• Transcontinental dust transport is well documented
• Goddard MP Lidar documents dust layer
• AERONET confirms by low (dust-like) the Angstrom exp.
METAR Surface Met Data, 1300 US StationsData accessible real time though D Voyager, archived at CAPITA since June
2002
• Weather Params: Temp, Dewp, Press., Precip, WindDir, WindSpeed, Bext
• Hourly Winds illustrate station density, coverage
Click on image for 1 day for animation