U.S. Department of EnergyOffice of Scientific and Technical Information
Radar and lidar based cloud type product at the ARM ENA observatory
Abstract
Following methods outlined in Remillard et al. (2012), we classify seven cloud types using radar reflectivity, best-estimated cloud base, and cloud-layer product from the Active Remotely Sensed Cloud Locations (ARSCL) product (Kollias et al. 2007). A cloud mask is created based on the detectable radar reflectivity (>-40 dBZ) combined with the best-estimated cloud base height. Each cloud object is analyzed individually as contiguous cloudy pixels, and its type is determined based on the cloud’s boundaries and duration. Focusing on marine boundary-layer clouds, low clouds are further classified into four types: shallow cumulus, broken stratocumulus (Sc) or cumulus clouds, single-layer Sc, and multi-layer Sc or Sc coupled with cumulus. The remaining three categories are middle clouds, high clouds, and deep convective clouds. For detailed definition of each cloud type, please refer to Zheng et al. (2024).
- Publication Date:
- DOE Contract Number:
- AC05-00OR22725
- Research Org.:
- Atmospheric Radiation Measurement (ARM) Archive, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (US); ARM Data Center, Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- Collaborations:
- PNNL, BNL, ANL, ORNL
- Subject:
- 54 ENVIRONMENTAL SCIENCES; Cloud type for each cloud layer
- OSTI Identifier:
- 2483884
- DOI:
- https://doi.org/10.5439/2483884
Citation Formats
Qiu, Shaoyue. Radar and lidar based cloud type product at the ARM ENA observatory. United States: N. p., 2024.
Web. doi:10.5439/2483884.
Qiu, Shaoyue. Radar and lidar based cloud type product at the ARM ENA observatory. United States. doi:https://doi.org/10.5439/2483884
Qiu, Shaoyue. 2024.
"Radar and lidar based cloud type product at the ARM ENA observatory". United States. doi:https://doi.org/10.5439/2483884. https://www.osti.gov/servlets/purl/2483884. Pub date:Thu Dec 26 23:00:00 EST 2024
@article{osti_2483884,
title = {Radar and lidar based cloud type product at the ARM ENA observatory},
author = {Qiu, Shaoyue},
abstractNote = {Following methods outlined in Remillard et al. (2012), we classify seven cloud types using radar reflectivity, best-estimated cloud base, and cloud-layer product from the Active Remotely Sensed Cloud Locations (ARSCL) product (Kollias et al. 2007). A cloud mask is created based on the detectable radar reflectivity (>-40 dBZ) combined with the best-estimated cloud base height. Each cloud object is analyzed individually as contiguous cloudy pixels, and its type is determined based on the cloud’s boundaries and duration. Focusing on marine boundary-layer clouds, low clouds are further classified into four types: shallow cumulus, broken stratocumulus (Sc) or cumulus clouds, single-layer Sc, and multi-layer Sc or Sc coupled with cumulus. The remaining three categories are middle clouds, high clouds, and deep convective clouds. For detailed definition of each cloud type, please refer to Zheng et al. (2024).},
doi = {10.5439/2483884},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Dec 26 23:00:00 EST 2024},
month = {Thu Dec 26 23:00:00 EST 2024}
}