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Table 6

Properties of the marine boundary layer that can be derived from current, planned, and potential future satellite lidars. DOI: https://doi.org/10.1525/elementa.331.t6

MBL atmospheric characteristicCurrent satellite lidar capability: CALIOP on CALIPSOPotential future HSRL capability

 
Aerosol backscatter and extinction Derived from attenuated backscatter via assumption of extinction-to-backscatter ratio or optical depth constraint Accurate independent retrieval of backscatter and extinction without assumptions 
Aerosol type Crude typing capability Improved skill with ATLID 355-nm extinction, backscatter, and polarisation sensitivity. High skill with two-wavelength lidar: 532-nm HSRL, 1064-nm backscatter, and polarisation sensitivity at both wavelengths 
Aerosol effective radius and concentration Not available Vertically resolved estimates via three-wavelength lidar: 355- and 532-nm HSRL, 1064-nm backscatter 
CCN Proxy based on extinction as retrieved from attenuated backscatter Proxy based on aerosol extinction or aerosol concentration estimate 
Cloud top height Precise and unambiguous Precise and unambiguous 
Cloud base height For non-opaque clouds For non-opaque clouds 
Cloud microphysics Thermodynamic phase, cloud droplet concentration (with data from passive sensors) Thermodynamic phase, cloud droplet concentration (with data from passive sensors) 
MBL atmospheric characteristicCurrent satellite lidar capability: CALIOP on CALIPSOPotential future HSRL capability

 
Aerosol backscatter and extinction Derived from attenuated backscatter via assumption of extinction-to-backscatter ratio or optical depth constraint Accurate independent retrieval of backscatter and extinction without assumptions 
Aerosol type Crude typing capability Improved skill with ATLID 355-nm extinction, backscatter, and polarisation sensitivity. High skill with two-wavelength lidar: 532-nm HSRL, 1064-nm backscatter, and polarisation sensitivity at both wavelengths 
Aerosol effective radius and concentration Not available Vertically resolved estimates via three-wavelength lidar: 355- and 532-nm HSRL, 1064-nm backscatter 
CCN Proxy based on extinction as retrieved from attenuated backscatter Proxy based on aerosol extinction or aerosol concentration estimate 
Cloud top height Precise and unambiguous Precise and unambiguous 
Cloud base height For non-opaque clouds For non-opaque clouds 
Cloud microphysics Thermodynamic phase, cloud droplet concentration (with data from passive sensors) Thermodynamic phase, cloud droplet concentration (with data from passive sensors) 
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