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aerosol measurements

Aerosol Measurements with the FRAM Telescope

Aerosol Measurements with the FRAM Telescope

... the aerosol measurements came from the rapid monitoring ...for aerosol measurements but are limited to periods when the rapid monitoring program was working (and interesting showers were ...

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A new method for nocturnal aerosol measurements with a lunar photometer prototype

A new method for nocturnal aerosol measurements with a lunar photometer prototype

... The high mountain Iza˜na Observatory, managed by the Iza˜na Atmospheric Research Centre (IARC), from the State Mete- orological Agency of Spain (AEMET) is located in Tenerife (Canary Islands, Spain; 28 ◦ 18 0 N, 16 ◦ 29 ...

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Intercomparison of an Aerosol Chemical Speciation Monitor (ACSM) with ambient fine aerosol measurements in downtown Atlanta, Georgia

Intercomparison of an Aerosol Chemical Speciation Monitor (ACSM) with ambient fine aerosol measurements in downtown Atlanta, Georgia

... Southeastern Aerosol Research and Characterization (SEARCH) network that is equipped with a suite of gas, particle, and meteorological ...these measurements are described in subsequent ...ACSM ...

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Aerosol Particle Measurements: Strategies for Health Relevant Data Collection and Analysis

Aerosol Particle Measurements: Strategies for Health Relevant Data Collection and Analysis

... exposure measurements are dominated by regulatory PM mass concentrations, many additional techniques and devices have been developed for measuring both atmospheric and occupational exposures and drawing relations ...

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Infrared limb emission measurements of aerosol in the troposphere and stratosphere

Infrared limb emission measurements of aerosol in the troposphere and stratosphere

... nadir measurements or occultation measurements. IR nadir measurements have a long-standing history in detect- ing aerosols and retrieving aerosol composition and micro- ...The aerosol ...

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Intercomparison of aerosol extinction profiles retrieved from MAX-DOAS measurements

Intercomparison of aerosol extinction profiles retrieved from MAX-DOAS measurements

... MAX-DOAS measurements with in situ instrumenta- tion, such as nephelometer and Multi-Angle Absorption Pho- tometer (MAAP), is complicated by the fact that in situ in- struments perform point-like ...

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Understanding the aerosol information content in multi-spectral reflectance measurements using a synergetic retrieval algorithm

Understanding the aerosol information content in multi-spectral reflectance measurements using a synergetic retrieval algorithm

... As a starting value of measurement error covariance (i.e. the square of the error) in this analysis we took 10e-6, which corresponds to 1% of reflectance spectra from SCIAMACHY reflectances in the visible (typically at ...

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Effect of Sediment Suspensions on Seawater Salinity Assessments

Effect of Sediment Suspensions on Seawater Salinity Assessments

... conductivity measurements and the calculation of a practical salinity, or by density ...these measurements has never been documented, but the theories developed to explain and predict the conductivity of ...

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Modification, calibration, and performance of the Ultra-High Sensitivity Aerosol Spectrometer for particle size distribution and volatility measurements during the Atmospheric Tomography Mission (ATom) airborne campaign

Modification, calibration, and performance of the Ultra-High Sensitivity Aerosol Spectrometer for particle size distribution and volatility measurements during the Atmospheric Tomography Mission (ATom) airborne campaign

... the aerosol sample flow is controlled and measured by a mass flow controller mounted on the exhaust side of the pump ...the aerosol and sheath flows results in the sheath–aerosol flow ratio varying ...

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Aerosol mass spectrometry: particle–vaporizer interactions and their consequences for the measurements

Aerosol mass spectrometry: particle–vaporizer interactions and their consequences for the measurements

... the aerosol particles are – together with a small fraction (10 −7 ) of the carrier gas – directed onto the tungsten vaporizer, typically heated to a temperature of 550–600 ◦ ...the aerosol beam (“beam-open” ...

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The impact of improved aerosol priors on near-infrared measurements of carbon dioxide

The impact of improved aerosol priors on near-infrared measurements of carbon dioxide

... Mann, G. W., Carslaw, K. S., Reddington, C. L., Pringle, K. J., Schulz, M., Asmi, A., Spracklen, D. V., Ridley, D. A., Wood- house, M. T., Lee, L. A., Zhang, K., Ghan, S. J., Easter, R. C., Liu, X., Stier, P., Lee, Y. ...

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Observational Analysis and Modeling of the Land - Ocean - Atmosphere Interaction During INDOEX (1999)

Observational Analysis and Modeling of the Land - Ocean - Atmosphere Interaction During INDOEX (1999)

... an aerosol- laden air mass from the Indian subcontinent and Asian landmass over the Indian Ocean could alter the global radiation balance (Ramanathan et al, ...

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Target categorization of aerosol and clouds by continuous multiwavelength-polarization lidar measurements

Target categorization of aerosol and clouds by continuous multiwavelength-polarization lidar measurements

... Due to recent advances in hardware, small sophisticated ground-based MWLs (e.g. Polly XT lidar systems, Engel- mann et al., 2016), which can run unattended and au- tonomously 24 h a day, 7 days a week (24/7), have been ...

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A compilation of tropospheric measurements of gas-phase and aerosol chemistry in polar regions

A compilation of tropospheric measurements of gas-phase and aerosol chemistry in polar regions

... Many measurements of tropospheric gas-phase and aerosol chemistry in polar re- gions have been made, and the main results have been sum- marized in several review papers ...of measurements published ...

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Evaluating biases in filter-based aerosol absorption measurements using photoacoustic spectroscopy

Evaluating biases in filter-based aerosol absorption measurements using photoacoustic spectroscopy

... to measurements made using pho- toacoustic spectroscopy ...of aerosol types includ- ing urban, fresh biomass burning and aged biomass ...filter-based measurements were well correlated, but ...

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Direct aerosol chemical composition measurements to evaluate the physicochemical differences between controlled sea spray aerosol generation schemes

Direct aerosol chemical composition measurements to evaluate the physicochemical differences between controlled sea spray aerosol generation schemes

... earlier, aerosol particles were generated us- ing breaking waves, a plunging waterfall, and sintered glass filters in natural ...of aerosol sizes to the bubble sizes (as is ac- cepted for the jet droplet ...

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Comparison of aerosol optical thickness with in situ visibility data over Cyprus

Comparison of aerosol optical thickness with in situ visibility data over Cyprus

... The Terra and Aqua (MOD04 L2 and MYD04 L2 prod- ucts) MODIS AOT dataset collection (versions 5.0 and 5.1, respectively) was used for this study. The MODIS dark- target aerosol retrieval algorithms (Remer et al., ...

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Global aerosol modeling with MADE3 (v3.0) in EMAC (based on v2.53): model description and evaluation

Global aerosol modeling with MADE3 (v3.0) in EMAC (based on v2.53): model description and evaluation

... AOD data from different satellite instruments do not agree perfectly but show similar patterns in large parts of the globe. Consistent patterns of the two satellite–model differences may therefore indicate areas where ...

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Atmospheric aerosol attenuation effect on FD data analysis at the Pierre Auger Observatory

Atmospheric aerosol attenuation effect on FD data analysis at the Pierre Auger Observatory

... atmospheric aerosol monitoring system of the Pierre Auger Observatory has been operating smoothly since ...hourly aerosol attenuation to correct the longitudinal UV light profiles of the Extensive Air ...

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BOREAS – a new MAX-DOAS profile retrieval algorithm for aerosols and trace gases

BOREAS – a new MAX-DOAS profile retrieval algorithm for aerosols and trace gases

... The purpose of this study is the introduction of IUP Bremen’s new MAX-DOAS profile retrieval algorithm for aerosols and trace gases BOREAS (Bremen Optimal estima- tion REtrieval for Aerosols and trace gaseS), which has ...

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