ACT-America: CPL-derived Atmospheric Boundary Layer Top Height, Eastern US, 2016-2018

Published by ORNL_DAAC | National Aeronautics and Space Administration | Metadata Last Checked: September 14, 2025 | Last Modified: 2025-09-10

This dataset consists of the atmospheric boundary layer (ABL) top heights and the altitudes of the two additional aerosol layers (in km above mean sea level) derived from Cloud Physics Lidar (CPL) measurements using the Haar wavelet transform method. The CPL instrument was deployed onboard NASA's C-130 aircraft to obtain aerosol backscatter profiles during four ACT-America field campaigns (Summer 2016, Winter 2017, Fall 2017, and Spring 2018). CPL is a backscatter lidar designed to operate simultaneously at three wavelengths. The profiles were collected at 4-second temporal and 30 m vertical resolutions. The time resolution of the provided CPL-derived ABL top heights and other aerosol layers are 8 seconds.

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earth-science-aerosols-atmosphere-aerosol-backscatter earth-science-altitude-atmosphere-planetary-boundary-layer-height earth-science-clouds-atmosphere-cloud-properties-cloud-top-height

Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.3334/ORNLDAAC/1825
landingPage	https://search.earthdata.nasa.gov/search?q=CPL_ABL_Top_Height_1825&ac=true
programCode	[ "026:000" ]
spatial	[[{"WestBoundingCoordinate":-106.49,"NorthBoundingCoordinate":50.0,"EastBoundingCoordinate":-64.0,"SouthBoundingCoordinate":27.2462}],"CARTESIAN"]
temporal	2016-07-18/2016-07-18
theme	[ "Earth Science" ]