aerosol backscatter
Comparison of aerosol lidar retrieval methods for boundary layer height detection using ceilometer aerosol backscatter data
... An aerosol gradient method, a cluster analysis method, and a Haar wavelet method were compared to daytime radiosonde profiles using measured aerosol backscatter from a Vaisala CL31 ...the ...
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Retrieval of aerosol backscatter, extinction, and lidar ratio from Raman lidar with optimal estimation
... of aerosol backscatter and extinc- tion (or lidar ratio) from two-channel Raman lidar observa- ...constraints. Backscatter is retrieved at the instrument’s native resolution with an uncertainty be- ...
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Retrieval of aerosol backscatter and extinction from airborne coherent Doppler wind lidar measurements
... quantitative aerosol optical property retrieval from Doppler wind lidars (DWLs) is presented in this ...molecular backscatter and the low sensitivity of the coherent DWLs to spectrally broad signals, ...
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Year-round stratospheric aerosol backscatter ratios calculated from lidar measurements above northern Norway
... sulfate aerosol (SSA) layer from daytime and nighttime lidar ...stratospheric aerosol backscatter ratios at high ...the aerosol backscatter ratios are derived using elas- tic and ...
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Aerosol backscatter profiles from ceilometers: validation of water vapor correction in the framework of CeiLinEx2015
... by Table 6. Assuming the height-dependent κ(z) slopes, dF /dz = 0 can be found for both CL51 ceilometers. The values of k dF /dz k are very small, and many integer wave- lengths can be found that show slopes close to ...
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Developing a portable, autonomous aerosol backscatter lidar for network or remote operations
... continuous aerosol lidar data stream, necessary to address these issues, a lidar instrument was developed that could operate in an autonomous mode, yet portable enough to deploy to remote ...Typical aerosol ...
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Aerosol monitoring in Siberia using an 808 nm automatic compact lidar
... of aerosol monitoring because they can provide regular ...European Aerosol Lidar Network (EARLINET) has significantly improved our knowledge of aerosol sources and long-range transport in Europe ...
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Multi-wavelength Raman lidar, sun photometric and aircraft measurements in combination with inversion models for the estimation of the aerosol optical and physico-chemical properties over Athens, Greece
... the aerosol micro- physical properties by using an inversion algorithm (M¨uller et ...The aerosol profiles were separated into five layers of about 200 m thickness (in the height range between ...the ...
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A fully autonomous ozone, aerosol and nighttime water vapor lidar: a synergistic approach to profiling the atmosphere in the Canadian oil sands region
... Stratospheric intrusions were frequently observed through- out the year, with sometimes three or four occurrences per week. In recent years, there has been more understanding about the mechanism that enables these STT ...
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Polarization Lidar at Summit, Greenland, for the Detection of Cloud Phase and Particle Orientation
... the aerosol backscatter ratio, the linear depolarization ratio, and a new data product called linear diattenuation through the combination of three polarization ...
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Correction of water vapor absorption for aerosol remote sensing with ceilometers
... deriving aerosol optical ...Unified Aerosol Experiment (UAE 2 ) in ...with aerosol backscatter in the boundary layer derived from lidar and CL31 measurements (McKendry et ...
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1064 nm rotational Raman lidar for particle extinction and lidar-ratio profiling: cirrus case study
... of aerosol layers in the lower troposphere (around ...nm aerosol extinction values around 150 Mm −1 (lofted mineral dust layer) and 50 Mm −1 (more typical for smoke and pollu- tion ...
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Development and application of a backscatter lidar forward operator for quantitative validation of aerosol dispersion models and future data assimilation
... A comparison of ACL measurement and COSMO-ART sim- ulation with an applied forward operator at the Deuselbach ACL station in western Germany is shown in Fig. 13. The ash layer was clearly visible in the measured profiles ...
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Optical properties of different aerosol types: seven years of combined Raman-elastic backscatter lidar measurements in Thessaloniki, Greece
... enhanced aerosol load within the Plan- etary Boundary ...of aerosol optical depth is observed for continental aerosols, from West direc- tions with less free tropospheric ...and backscatter related ˚ ...
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The Captured Locations of Spoofers through Applying Pit on the Path Backscatter Dataset
... We proposed Passive IP Traceback (PIT) which tracks spoofers based on path backscatter messages and public available information. We specified how to apply PIT when the topology and routing are both known, or the ...
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Fine and coarse dust separation with polarization lidar
... dust backscatter profiles obtained with the one-step method as a quality ...dust backscatter profiles obtained with the two-step approach should approximately match the one obtained with the one- step ...to ...
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Restoration of Speckled SAR Images N. Mohan Raju*, P. Navya, N. Vyshnavi, R.Dharma Teja
... radar backscatter for an area on the ground: Bright areas represent high backscatter (bright features mean that a large fraction of the radar energy was reflected back to the radar), while darker areas in ...
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Design of a new multi-phase experimental simulation chamber for atmospheric photosmog, aerosol and cloud chemistry research
... Size is probably among the most critical parameters. In- deed, for comparable shapes, the bigger the reactor, the smaller the surface-to-volume ratio (S/V), and thus the less important unwanted surface reactions will be. ...
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Exploring the applicability and limitations of selected optical scattering instruments for PM mass measurement
... Mie scattering calculation results were used to explain the observed performance characteristics of the DRX and the PDR. The relative scattering fluxes from particles for condi- tions appropriate to the DRX and PDR are ...
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The Captured Locations of Spoofers through Applying Pit on the Path Backscatter Dataset
... exploited backscatter messages, which are generated by the targets of spoofing messages, to study Denial of Services (DoS), path backscatter messages, which are sent by intermediate devices rather than the ...
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