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

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