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Maximum-likelihood reconstruction of photon returns from simultaneous analog and photon-counting lidar measurements
Maximum-likelihood reconstruction photon return simultaneous analog photon-counting lidar measurement
2011/8/2
Abstract: We present a novel method for combining the analog and photon-counting measurements of lidar transient recorders into reconstructed photon returns. The method takes into account the statisti...
Simultaneous HONO measurements in and above a forest canopy: influence of turbulent exchange on mixing ratio differences
HONO measurements a forest canopy turbulent exchange ratio differences
2011/2/24
We have combined chemical and micrometeorological measurements to investigate the formation and distribution of HONO throughout a forest canopy. HONO was measured simultaneously at two heights, close ...
Simultaneous retrieval of aerosol and surface optical properties from combined airborne- and ground-based direct and diffuse radiometric measurements
aerosol and surface optical properties combined airborne ground-based direct diffuse radiometric measurements
2010/8/12
This paper presents a new method for simultaneously retrieving aerosol and surface reflectance properties from combined airborne and ground-based direct and diffuse radiometric measurements. The metho...
The spatial distribution of the reactive iodine species IO from simultaneous active and passive DOAS observations
spatial distribution reactive iodine species IO DOAS observations
2010/3/5
We present investigations of the reactive iodine species (RIS) IO, OIO and I2 in a coastal region from a field campaign simultaneously employing active long path differential optical absorption spectr...
Simultaneous factor analysis of organic particle and gas mass spectra: AMS and PTR-MS measurements at an urban site
organic particle gas mass spectra AMS PTR-MS
2010/2/21
During the winter component of the SPORT (Seasonal Particle Observations in the Region of Toronto) field campaign, particulate non-refractory chemical composition and concentration of selected volatil...
Simultaneous coastal measurements of ozone deposition fluxes and iodine-mediated particle emission fluxes with subsequent CCN formation
ozone deposition fluxes iodine-mediated particle emission fluxes subsequent CCN formation
2010/1/18
Here we present the first observations of simultaneous ozone deposition fluxes and ultrafine particle emission fluxes over an extensive infra-littoral zone. Fluxes were measured by the eddy covariance...
Simultaneous measurements of OClO, NO2 and O3 in the Arctic polar vortex by the GOMOS instrument
OClO NO2 O3 Arctic polar GOMOS instrument
2009/11/9
We present the first nighttime measurements of OClO from a limb-viewing satellite instrument in the Arctic polar vortex. The relationship between OClO, NO2 and O3 slant column densities in the Arctic ...
Quantifying transport into the lowermost stratosphere using simultaneous in-situ measurements of SF6 and CO2
Quantifying transport lowermost stratosphere SF6 CO2
2009/8/25
The seasonality of transport and mixing of air into the lowermost stratosphere (LMS) is studied using distributions of mean age of air and a mass balance approach, based on in-situ observations of SF6...
FTIR spectroscopic studies of the simultaneous condensation of HCl and H2O at 190 K – Atmospheric applications
FTIR spectroscopic study simultaneous condensation HCl H2O Atmospheric applications
2009/3/11
Type II polar stratospheric cloud particles are made up of ice that forms by water vapor condensation in the presence of numerous trace gases, including HCl. These gaseous species can co-condense with...
Simultaneous lidar observations of temperatures and waves in the polar middle atmosphere on the east and west side of the Scandinavian mountains: a case study on 19/20 January 2003
Simultaneous lidar polar middle atmosphere Scandinavian mountains
2009/2/26
Atmospheric gravity waves have been the subject of intense research for several decades because of their extensive effects on the atmospheric circulation and the temperature structure. The U. Bonn lid...
Simultaneous ground-based observations of O3, HCl, N2O, and CH4 over Toronto, Canada by three Fourier transform spectrometers with different resolutions
Simultaneous ground-based observations O3 HCl N2O CH4 three Fourier transform spectrometers
2008/12/3
An intercomparison of three Fourier transform spectrometers (FTSs) with significantly different resolutions is presented. The highest-resolution instrument has a maximum optical path difference of 250...