Search Results - "Heland, J."
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Global Air Pollution Crossroads over the Mediterranean
Published in Science (American Association for the Advancement of Science) (25-10-2002)“…The Mediterranean Intensive Oxidant Study, performed in the summer of 2001, uncovered air pollution layers from the surface to an altitude of 15 kilometers. In…”
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A backward modeling study of intercontinental pollution transport using aircraft measurements
Published in Journal of Geophysical Research (27-06-2003)“…In this paper we present simulations with a Lagrangian particle dispersion model to study the intercontinental transport of pollution from North America during…”
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A fast H2O total column density product from GOME ? Validation with in-situ aircraft measurements
Published in Atmospheric chemistry and physics (05-06-2003)“…Atmospheric water vapour is the most important greenhouse gas which is responsible for about 2/3 of the natural greenhouse effect, therefore changes in…”
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Intercontinental air pollution transport from North America to Europe: Experimental evidence from airborne measurements and surface observations
Published in Journal of Geophysical Research - Atmospheres (16-01-2005)“…During the airborne CONTRACE field experiment carried out in November 2001 a number of polluted layers of North American (NA) origin were observed in the free…”
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Global chemical weather forecasts for field campaign planning: predictions and observations of large-scale features during MINOS, CONTRACE, and INDOEX
Published in Atmospheric chemistry and physics (26-02-2003)“…The first global tropospheric forecasts of O3 and its precursors have been used in the daily flight planning of field measurement campaigns. The 3-D…”
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A model study of ozone in the eastern Mediterranean free troposphere during MINOS (August 2001)
Published in Atmospheric chemistry and physics (14-08-2003)“…A coupled tropospheric chemistry-climate model is used to analyze tropospheric ozone distributions observed during the MINOS campaign in the eastern…”
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Formaldehyde over the eastern Mediterranean during MINOS: Comparison of airborne in-situ measurements with 3D-model results
Published in Atmospheric chemistry and physics (23-06-2003)“…Formaldehyde (HCHO) is an important intermediate product in the photochemical degradation of methane and non-methane volatile organic compounds. In August…”
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Transport and build-up of tropospheric trace gases during the MINOS campaign: comparision of GOME, in situ aircraft measurements and MATCH-MPIC-data
Published in Atmospheric chemistry and physics (31-10-2003)“…The MINOS (Mediterranean INtensive Oxidant Study) campaign was an international, multi-platform field campaign to measure long-range transport of air-pollution…”
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Determination of major combustion products in aircraft exhausts by FTIR emission spectroscopy
Published in Atmospheric environment (1994) (01-09-1998)“…The results of ground-based FTIR emission measurements of major combustion products such as CO 2, H 2O, CO, NO, and N 2O of in-service aircraft engines are…”
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Chemical characteristics assigned to trajectory clusters during the MINOS campaign
Published in Atmospheric chemistry and physics (17-04-2003)“…During the Mediterranean Intensive Oxidant Study (MINOS) in August 2001 a total of 14 measurement flights were performed with the DLR Falcon jet aircraft from…”
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A New Instrument To Measure Gaseous Nitrous Acid (HONO) in the Atmosphere
Published in Environmental science & technology (01-08-2001)“…A new in situ instrument (LOPAP: long path absorption photometer) to measure gaseous nitrous acid (HONO) using wet chemical sampling and photometric detection…”
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Evaluation of a radial artery cannulation training program for intensive care nurses: A descriptive, explorative study
Published in Australian critical care (01-05-2011)“…Radial arterial line is required for critically ill patients to provide continuous blood pressure monitoring and arterial blood sampling. A program training…”
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Inspection of NON-CO2 greenhouse gases from emission sources and in ambient air by fourier-transform-infrared-spectrometry: measurements with FTIS-MAPS
Published in Environmental monitoring and assessment (01-05-1994)“…Infrared spectrometry is a versatile basis to analyse greenhouse gases in the atmosphere. A multicomponent air pollution software (MAPS) was developed for…”
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Conference Proceeding Journal Article -
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A New Instrument (LOPAP) for the Detection of Nitrous Acid (HONO)
Published in Environmental science and pollution research international (01-01-2002)“…Nitrous acid (HONO) is of particular importance for atmospheric chemistry, since its photolysis leads to the formation of OH radicals. In addition, HONO may be…”
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First comparison of tropospheric NO2 column densities retrieved from GOME measurements and in situ aircraft profile measurements
Published in Geophysical research letters (01-10-2002)“…For the first time tropospheric NO2 columns from GOME were compared to tropospheric columns derived from in situ measurements with the DLR research aircraft…”
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Multipass open-path Fourier-transform infrared measurements for nonintrusive monitoring of gas turbine exhaust composition
Published in Applied optics (2004) (10-04-2005)“…The detection limits for NO and NO2 in turbine exhausts by nonintrusive monitoring have to be improved. Multipass mode Fourier-transform infrared (FTIR)…”
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A fast H 2 O total column density product from GOME – Validation with in-situ aircraft measurements
Published in Atmospheric chemistry and physics (05-06-2003)“…Atmospheric water vapour is the most important greenhouse gas which is responsible for about 2/3 of the natural greenhouse effect, therefore changes in…”
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A fast H sub(2)O total column density product from GOME - Validation with in-situ aircraft measurements
Published in Atmospheric chemistry and physics (01-06-2003)“…Atmospheric water vapour is the most important greenhouse gas which is responsible for about 2/3 of the natural greenhouse effect, therefore changes in…”
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First comparison of tropospheric NO2 column densities retrieved from GOME measurements and in situ aircraft profile measurements
Published in Geophysical research letters (15-10-2002)“…For the first time, tropospheric NO2 columns from GOME were compared to tropospheric columns derived from in situ measurements with the DLR research aircraft…”
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Journal Article