Preprints
https://doi.org/10.5194/egusphere-2024-218
https://doi.org/10.5194/egusphere-2024-218
15 Feb 2024
 | 15 Feb 2024

The EarthCARE lidar cloud and aerosol profile processor (A-PRO): the A-AER, A-EBD, A-TC and A-ICE products

David Patrick Donovan, Gerd-Jan van Zadelhoff, and Ping Wang

Abstract. ATLID (“ATmospheric LIDar”) is the lidar to be flown on the multi-instrument Earth Clouds and Radiation Explorer (EarthCARE). EarthCARE is a joint ESA/JAXA mission now scheduled for launch in 2024. ATLID is a 3 channel linearly polarized High-Spectral Resolution (HSRL) system operating at 355 nm. Cloud and aerosol optical properties are key EarthCARE products. This paper will provide an overview of the ATLID L2a (i.e. single instrument) retrieval algorithms being developed and implemented in order to derive cloud and aerosol optical properties. The L2a lidar algorithms that retrieve the aerosol and cloud optical property profiles and classify the detected targets are grouped together in the so-called A-PRO (ATLID-profile) processor. The A-PRO processor produces the ATLID L2a Aerosol product (A-AER), the Extinction, Backscatter and Depolarization product (A-EBD), the ATLID L2a Target Classification (A-TC), and the ATLID L2a Ice microphysical estimation product (A-ICE). This paper provides and overview of the processor and its component algorithms.

David Patrick Donovan, Gerd-Jan van Zadelhoff, and Ping Wang

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • AC1: 'Comment on egusphere-2024-218 (Typos noted by Authors)', David Donovan, 26 Feb 2024
  • RC1: 'Comment on egusphere-2024-218', Anonymous Referee #1, 25 Mar 2024
  • RC2: 'Comment on egusphere-2024-218', Anonymous Referee #2, 27 Mar 2024
David Patrick Donovan, Gerd-Jan van Zadelhoff, and Ping Wang
David Patrick Donovan, Gerd-Jan van Zadelhoff, and Ping Wang

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Short summary
ATLID (“ATmospheric LIDar”) is the lidar to be flown on the Earth Clouds and Radiation Explorer satellite (EarthCARE). EarthCARE is a joint European-Japanese satellite mission scheduled for launch in 2024. ATLID is an advanced type of lidar optimized for cloud and aerosol profile measurements. ATLID will provide novel measurements, and thus, novel methods for inferring aerosol and cloud profiles have been developed. This paper provides an overview of these novel retrieval methods.