Airborne turbulence measurements in the lower troposphere onboard the research aircraft Dornier 128-6, D-IBUF

Corsmeier, U.; Hankers, Rudolf; Wieser, Andreas

doi:10.1127/0941-2948/2001/0010-0315

Cited by 50 publications

(51 citation statements)

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“…The research aircraft Do-128 operated by the University of Braunschweig and KIT (Corsmeier et al, 2001) and the BAe-146 aircraft of FAAM (Facility for Airborne Atmospheric Measurements) performed meteorological measurements at different height levels over the COPS region on this day. In addition, 28 radiosondes were launched between 0500 and 1730 UTC from the supersites and two more COPS stations at the northern and southern borders of the COPS region.…”

Section: Soundings With Lidar Aircraft and Radiosondesmentioning

confidence: 99%

Observation of convection initiation processes with a suite of state‐of‐the‐art research instruments during COPS IOP 8b

Behrendt

Pal

Aoshima

et al. 2011

Quart J Royal Meteoro Soc

107

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In the afternoon of 15 July 2007, a thunderstorm was initiated within a line of cumulus clouds which formed parallel to the crest of the Black Forest mountains during the Intensive Observation Period (IOP) 8b of the Convective and Orographicallyinduced Precipitation Study (COPS). This paper extends the analysis of processes that led to convection initiation (CI), i.e. the transition from shallow to deep convection, on this day with the data from several COPS instruments that have not been considered in previous studies. In particular, the boundary-layer structure, lids and the water-vapour field in the pre-convective environment of the event are discussed. For this purpose, we investigated measurements of water-vapour lidars, temperature lidars and wind lidars, profiles from radiosondes, in situ aircraft data and gridded data of weather stations as well as GPS integrated-water-vapour data and satellite imagery. Thermally driven circulation systems formed over both the Black Forest and the Vosges mountain ranges which resulted in local convergence zones. These superimposed with the large-scale convergence in the Black Forest area. In the presence of sufficient moisture and updraught, clouds formed close to the mountain crests. The related latent-heat release allowed larger thermals to be produced, which may have had a positive feedback on stabilizing these convergence zones as a whole. We believe that differences in the moisture field explain why convection remained shallow and sparse over the Vosges mountains because these differences were responsible for differences in convective inhibition (CIN). The stationary location of the convergence zone over the southern Black Forest was probably decisive for CI because it constantly transported sensible and latent heat into the area in which CI took place.

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Section: Soundings With Lidar Aircraft and Radiosondesmentioning

confidence: 99%

Observation of convection initiation processes with a suite of state‐of‐the‐art research instruments during COPS IOP 8b

Behrendt

Pal

Aoshima

et al. 2011

Quart J Royal Meteoro Soc

107

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“…It was a flight dedicated to comparing measurements made by different aircraft. The Fokker 27 equipped with the MOZAIC CO analyser was flown together with the Dornier 128 (Corsmeier et al, 2001) operated by the Institute of Meteorology and Climate Research, Forschungszentrum Karlsruhe (Germany). This aircraft was equipped with an Aerolaser AL5001 vacuum UV resonance fluorescence CO instrument (Gerbig et al, 1999).…”

Section: Instrument Specificationsmentioning

confidence: 99%

An improved infrared carbon monoxide analyser for routine measurements aboard commercial Airbus aircraft: technical validation and first scientific results of the MOZAIC III programme

et al. 2003

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Abstract. The European-funded MOZAIC programme (Measurements of ozone and water vapour by Airbus inservice aircraft) has been operational since 1994 aboard 5 commercial Airbus A340. It has gathered ozone and water vapour data between the ground and an altitude of 12 km from more than 20 000 long-range flights. A new infrared carbon monoxide analyser has been developed for installation on the MOZAIC equipped aircraft. Improvements in the basic characteristics of a commercial CO analysers have achieved performance suitable for routine aircraft measurements : ±5 ppbv, ±5% precision for a 30 s response time. The first year of operation on board 4 aircraft with more than 900 flights has proven the reliability and the usefulness of this CO analyser. The first scientific results are presented here, including UTLS exchange events and pollution within the boundary layer.

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“…Details with special emphasis on the avionic equipment, data acquisition and the meteorological sensors are given in Corsmeier et al(2001). The aircraft's nose boom contains redundant sensors for the measurement of wind, temperature and humidity.…”

Section: The Dornier-128 Research Aircraftmentioning

confidence: 99%

“…More flexibility and better sampling is obtained by airborne in situ instruments (e.g. Corsmeier et al, 2001), but the aircraft has to fly at stacked altitudes in order to obtain vertical profiles, which considerably limits the operational range. All these limitations do not apply to airborne remote sensing, where latent heat flux profiles beneath the aircraft are obtained from a single overflight of the region of interest by water vapour and wind lidars installed on board the same aircraft (Kiemle et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Latent heat flux measurements over complex terrain by airborne water vapour and wind lidars

Kiemle

Wirth

Fix

et al. 2011

Quart J Royal Meteoro Soc

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Airborne turbulence measurements in the lower troposphere onboard the research aircraft Dornier 128-6, D-IBUF

Cited by 50 publications

References 0 publications

Observation of convection initiation processes with a suite of state‐of‐the‐art research instruments during COPS IOP 8b

Observation of convection initiation processes with a suite of state‐of‐the‐art research instruments during COPS IOP 8b

An improved infrared carbon monoxide analyser for routine measurements aboard commercial Airbus aircraft: technical validation and first scientific results of the MOZAIC III programme

Latent heat flux measurements over complex terrain by airborne water vapour and wind lidars

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