SPP 1294:  Atmospheric and Earth System Research with the "High Altitude and Long Range Research Aircraft" (HALO)

• Subject Area: Geosciences
• Term: since 2007
• Website: Homepage
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 28423678

No abstract available

• DFG Programme: Infrastructure Priority Programmes
• International Connection: Argentina, Denmark, France, Switzerland, United Kingdom, USA

Projects

• A mid-infrared Laser Spectrometer for the Measurement of Methane Isotopologues and Ethane onboard the Research Aircraft HALO (MIRACLE) (Applicant Roiger, Anke )
• A novel modular multi-sensor dropsonde system for HALO (Applicant Wieser, Andreas )
• Advanced Water and Ice investigations in Subtropical, Mid-Latitude and Arctic Cirrus (ACIS) (Applicant Krämer, Martina )
• Aerosol particles in the outflow regions of the Asian monsoon: Composition and formation processes (Applicant Köllner, Franziska )
• Aerosol properties in the UTLS over the South Asian Pacific region: Particle nucleation and growth, hygroscopicity and composition (Applicant Pöhlker, Mira )
• Aerosols from the Asian monsoon in the upper troposphere: sources, evolution, impacts (Applicant Höpfner, Michael )
• Air mass export from the Asian monsoon into the extratropical stratosphere: impact on chemistry and radiation (AirExam) (Applicant Vogel, Bärbel )
• Air Mass Origin in the Lower Stratosphere using HALO Measurements and CLaMS Simulations (AMOS) (Applicant Vogel, Bärbel )
• Airborne in-situ characterisation of the microphysical and optical properties of small ice crystals and large hydrometeors (AMOSIL): HALO implementation and analysis methodology (Applicants Borrmann, Stephan ;  Schnaiter, Martin )
• Airborne Multi-Spectral Sunphoto- & Polarimeter (Applicant Preusker, René )
• An aircraft-based Ion Trap Mass Spectrometer Instrument ITCIMS for measurements of atmospheric trace gases and ions aboard HALO - Phase 2: Extensions of ITCIMS capabilities, flight tests on the FALCON, and deployment on HALO (Applicant Schlager, Hans )
• Analysis of high-latitude cirrus cloud feedbacks on the trace gas composition of the UTLS (ICECREAM) (Applicant Woiwode, Wolfgang )
• Angular-resolved light scattering by atmospheric ice particles - From single particle measurements to a global view of cirrus microphysics and radiative properties (Applicant Schnaiter, Martin )
• ANTHALO Blue Ice: Feasibility Study for Geoscientific and Atmospheric Investigation of Antarctica using HALO (ANTHALO-BI) (Applicants Förste, Christoph ;  Rapp, Markus ;  Scheinert, Mirko )
• Bromine and Chlorine budget in the Asian Monsoon outflow during PHILEAS (Applicant Engel, Andreas )
• CAFE-Brazil Umbrella – Chemistry of the Atmosphere: Field Experiment in Brazil (Applicant Curtius, Joachim )
• CAFE-Pacific Umbrella – Chemistry of the Atmosphere: Field Experiment in the Pacific Umbrella proposal for DFG-funded university partners (Applicant Curtius, Joachim )
• Central Project to Coordinate the HALO SPP 1294 (Applicant Curtius, Joachim )
• Central Project to Coordinate the HALO SPP 1294 (Applicant Scheinert, Mirko )
• Characterizing the evolution of the radiative forcing of shallow and deep convective clouds throughout their life cycle by combining airborne and satellite observations in the tropical Atlantic Ocean (Applicant Ehrlich, André )
• Chemical and microphysical properties of natural cirrus and contrail cirrus (Applicants Borrmann, Stephan ;  Voigt, Christiane )
• Chemical composition and transformation of VOCs in the outflow of large population centers in Europe and Asia during EMeRGe (Chocolate) (Applicant Neumaier, Marco )
• Chemical composition, transformation, and cloud activation properties of submicron aerosol particles in the outflow of large major population centers (Applicants Borrmann, Stephan ;  Schneider, Johannes )
• Cirrus clouds in the extratropical tropopause and lowermost stratosphere region (Applicant Spang, Ph.D., Reinhold )
• CIRRUS-HL - The HALO mission on cirrus in high latitudes Umbrella Proposal HALO2020 - CIRRUS-HL (Applicant Voigt, Christiane )
• Combined airborne lidar measurments of moisture transport and cirrus properties: HALO-LIDAR (Applicants Craig, George ;  Kiemle, Christoph )
• CoMet 2.0 (Carbon Dioxide and Methane) Mission for HALO (Applicant Fix, Andreas )
• CoMet (Carbon Dioxide and Methane) Mission (Applicant Fix, Andreas )
• Contribution of clouds to radiative diabatic heating and cooling, from synergy of airborne lidar, radar, and imager observations (Applicants Mayer, Bernhard ;  Rapp, Markus ;  Zinner, Tobias )
• Coordination Funds (Applicant Wendisch, Manfred )
• Coordination of SPP 1294 HALO (Applicants Curtius, Joachim ;  Scheinert, Mirko ;  Wendisch, Manfred )
• COORDINATION of the HALO Demo Mission "Aerosol, Cloud, Precipitation, and Radiation Interactions and Dynamics of Extra-Tropical Convective Cloud System" (ACRIDICON) (Applicant Wendisch, Manfred )
• DECOR: Dynamical Effects on Composition and transport Of climate Relevant species, in the extratropical upper troposphere lower and stratosphere region (Applicants Jurkat-Witschas, Tina ;  Voigt, Christiane )
• Development and application of an ice nucleus (IN) counter for HALO (FINCH (HALO) Fast Ice Nucleus Chamber counter onboard HALO) (Applicant Curtius, Joachim )
• Development and Use of a Perfluorocarbon Tracer System (PERTRAS) (Applicant Schlager, Hans )
• Developments concerning the physical and chemical characterization of ice nucleating aerosol particles with HALO: High volume flow aerosol particle sampling system, automated freezing array, and analytical methods (Applicants Herrmann, Hartmut ;  Stratmann, Frank )
• Differential Optical Absorption Spektoscopy (DOAS) Observations from HALO (Applicant Pfeilsticker, Klaus )
• EC-TOOC umbrella proposal - EarthCARE, Tropical Oceans & Organized Convection (Applicant Ament, Felix )
• Eddy shedding transport from the Asian monsoon as a source of pollution for the lowermost stratosphere (Applicants Hoor, Peter ;  Plöger, Felix )
• Elevated Moist Layers – Using HALO during EUREC4A to explore a blind spot in the global satellite observing system (Applicant Bühler, Stefan )
• EMeRGe: Effect of Megacities on the Transport and Transformation of Pollutants on the Regional to Global Scales (Applicant Burrows, John Philip )
• Entrainment and Freezing Processes in Tropical Convective Clouds during EC-TOOC (Applicant Mayer, Bernhard )
• EUREC4A mission proposal - Elucidating the Role of Cloud-Circulation Coupling in Climate (Applicant Ament, Felix )
• Evolution of Cloud Ice Phase in Convective Clouds over Pristine Southern Ocean (Applicant Järvinen, Emma )
• FAVOR-HALO: Fast Analysis of Volatile ORganics with gas chromatography/mass spectrometry (GC/MS) on HALO (Applicant Wegener, Robert )
• Forcing in the long-wave spectrum due to aerosol-cloud interactions: satellite and climate modelling vs. HALO (FLASH) (Applicant Quaas, Johannes )
• Geoscientific Earth Observation with HALO in the Aegean region (GEOHALO) (Applicants Geiger, Alain ;  Scheinert, Mirko )
• GhOST-MS: Gaschromatograph for Observation of Stratospheric Tracers - Mass Spectrometer (Applicant Engel, Andreas )
• Gravity field determination with HALO (GRAV-HALO) (Applicants Barthelmes, Franz ;  Scheinert, Mirko )
• HAI PolWise, Employment of the HAI-TDLAS Hygrometer for the POLSTRACC and WISE missions on HALO (Applicant Ebert, Volker )
• HALO 2020 – Cloud effects on solar actinic radiation: Evaluation of satellite-aided radiative transfer model calculations with HALO measurements (Applicant Bohn, Birger )
• HALO data base, further development and setup of a data retrieval and long term archive system (Applicant Hengst, Rico )
• HALO SPP 1294 Coordination Proposal (Applicant Curtius, Joachim )
• HALO TACTS and SALSA: Mission co-ordination for TACTS: (Transport And Composition in the UT/LMS) and SALSA (Seasonality of Air mass transport and origin in the Lowermost Stratosphere using the HALO Aircraft) (Applicant Engel, Andreas )
• High latitude aerosol and cloud residual measurements during the HALO-2020 mission CIRRUS-HL: Particle composition and interaction with cirrus clouds (Applicant Schneider, Johannes )
• Highly sensitive and selective measurements of NO2 on HALO (Applicant Martinez-Harder, Monica )
• Hygroscopic Growth of Accumulation Mode Particles Measured with HALO (HyGroPart) (Applicant Hermann, Markus )
• Impact of upper tropospheric jet-front systems on the mesoscale structure of the tropopause inversion layer and cross-tropopause transport [MESO-TIL] (Applicant Kunkel, Daniel )
• In situ tracer measurements and analysis with HAGAR-V during the HALO mission SOUTHTRAC in fall 2019 (Applicant Volk, Ph.D., C. Michael )
• In situ tracer measurements with HAGAR-V during the HALO mission WISE and UTLS transport analysis based on POLSTRACC/GW-LCYCLE/SALSA and WISE tracer data (Applicant Volk, Ph.D., C. Michael )
• Influence of aerosol composition on cloud formation: in-situ studies by mass spectrometric measurements onboard HALO (Applicants Curtius, Joachim ;  Schneider, Johannes )
• Influence of deep convection on particle formation and aerosol budget in the free troposphere from airborne observations with HALO (PARTFORM-HALO) (Applicant Minikin, Andreas )
• Influence of the ice crystal shape on radiative effects of Arctic cirrus: Observations and representation in numerical weather prediction models (Applicant Wendisch, Manfred )
• Innovative calibration methods for strapdown airborne vector gravimetry aboard HALO (Applicant Becker, Matthias )
• Investigation of ice particle and cloud drop residues using the counterflow virtual impactor technique onboard HALO (HALO-CVI) (Applicant Mertes, Stephan )
• Investigation of key aerosol nucleation mechanisms in the tropical troposphere above the Indo-Pacific during the HALO mission CAFE-Pacific (Applicant Curtius, Joachim )
• Investigation of key aerosol nucleation mechanisms in the tropical troposphere with a CI-APiTOF-Mass Spectrometer above Amazonia during the HALO mission CAFE-Brazil (Applicant Curtius, Joachim )
• Lagrangian Support of Stratospheric Operations of HALO (LASSO) (Applicant Grooß, Jens-Uwe )
• MAMAP-2D for CoMet 2.0 - Imaging atmospheric CO2 and CH4 distributions with passive remote sensing (Applicant Bovensmann, Heinrich )
• MAMAP - CoMet Proposal for the University of Bremen contribution to the HALO Mission CoMet in the framework of the DFG Priority Program Atmosphären- und Erdsystemforschung mit dem Forschungsflugzeug HALO (SPP 1294) (Applicant Bovensmann, Heinrich )
• Measurement of Aerosol and Clouds and their Interactions over the pristine Southern Ocean – ACI-SO (Applicants Sauer, Daniel ;  Voigt, Christiane )
• Measurements of Stable Carbon Isotopes in Volatile Organic Compounds in the Outflow of Megacities. This proposal is a contribution to the HALO missions EMeRGe-EU and EMeRGe-ASIA. (Applicant Krebsbach, Marc )
• Measurements of stable isotope ratios in atmospheric trace gases on HALO (MIRAH) (Applicant Koppmann, Ralf )
• Measurements of tracer and precursor gases of secondary photooxidants and aerosols in pollution plumes of major European and Asian population centers (MEPOLL) (Applicant Schlager, Hans )
• Methods and algorithms for data exploitation of the imaging Fourier transform spectrometer GLORIA-AB on HALO - MaxiFTS - (Applicant Kleinert, Anne )
• Microphysics and climate impact of ice clouds in high latitudes – MICRO-ICE (Applicant Voigt, Christiane )
• Mini-DOAS measurements during HALO phase II missions WISE, CAFE, EmerGe, and CoMet, and retrieval, interpretation and dissemination of the data collected during previous HALO missions (Applicant Pfeilsticker, Klaus )
• Mini-DOAS measurements during the HALO Southtrac mission in fall 2019 (Applicant Pfeilsticker, Klaus )
• Mission Support System (MSS) development (Applicant Ungermann, Joern )
• Mixing processes in the stratosphere from fine to global scales with a fast high precision QCL spectrometer for N2O and CO on HALO (Applicant Hoor, Peter )
• Modular instrument package for aerosol optical properties and cloud condensation nuclei activity (Applicant Pöschl, Ulrich )
• NARVAL-II umbrella proposal (Applicant Ament, Felix )
• NAWDEX (Applicant Craig, George )
• Non-stationary Gravity Wave retrievals for GLORIA (Applicants Preuße, Peter ;  Ungermann, Joern )
• Observing local and Remote Controls on Arctic Air mass evolution (ORCA2) (Applicant Neggers, Roel )
• Observing phase transitions in mixed-phase clouds using polarimetric and spectral imagery during (AC)3 and CIRRUS-HL (Applicant Mayer, Bernhard )
• Observing the two- and three- dimensional distributions of trace gases with the Heidelberger Airborne Imaging DOAS Instrument (HAIDI) on board HALO during the phase II mission EMerGe (Applicant Platt, Ulrich )
• Performance improvement and airborne employment of a highly sensitive tunable-diode laser spectrometer for in-situ measurements of the isotopic composition of water vapor (Applicant Dyroff, Christoph )
• PEroxy rAdicals measured by OF-Cavity Enhanced spectroscopy in the free troposphere with a focus on the upper troposphere / lower stratosphere (PEACE) (Applicant Burrows, John Philip )
• PHILEAS (Probing high latitude export of air from the Asian summer monsoon) (Applicant Hoor, Peter )
• Physical and chemical properties of cloud particle residuals and ice nucleating particles related to high latitude clouds from mixed phase to cirrus level (HALO 2020, CIRRUS-HL) (Applicants Herrmann, Hartmut ;  Stratmann, Frank )
• PINEair - A new instrument for aircraft-based in situ measurements of ice nucleating particles at cirrus formation conditions (Applicants Curtius, Joachim ;  Möhler, Ottmar )
• Properties of cloud condensation nuclei, ice nucleating particles, and cloud particle residuals in and around clouds of the Southern Ocean (HALO 2024, HALO-South) (Applicant Stratmann, Frank )
• Quality assessment of an open-path tuneable diode laser spectrometer for water vapour measurement and scientific studies during first HALO demo missions (Applicants Ebert, Volker ;  Krämer, Martina )
• Remote Sensing and Radiative Forcing of Inhomogeneous Trade-Wind Cumuli (Applicant Wendisch, Manfred )
• Research application of the novel multi sensor dropsonde for HALO for investigation of cyclones and embedded convection causing high impact weather in the Mediterranean (Applicant Kottmeier, Christoph )
• Retrieval, interpretation and dissemination of mini-DOAS data (O3, NO2, HONO, BrO, IO, OClO, CH2O, C2H2O2, and C3H4O2*) measured during previous HALO missions (Applicants Butz, André ;  Pfeilsticker, Klaus )
• Retrieval of Atmospheric State variables from GLORIA limb emission spectral images (RASGLO) (Applicants Höpfner, Michael ;  Kaufmann, Martin )
• Scientific motivation, and co-ordination of HALO campaign ASCCI and provision of quality controlled merged data products (Applicants Engel, Andreas ;  Sinnhuber, Björn-Martin )
• Secondary organic aerosol formation and particle growth in the tropical upper troposphere: Particle composition measurements by aerosol mass spectrometry (Applicant Schneider, Johannes )
• Solar Radiation Measurements on HALO (Applicants Bohn, Birger ;  Wendisch, Manfred )
• Southern Hemispheric halogen budgets, mean age distributions, age spectra and interhemispheric difference using GhOST-MS observations during SOUTHTRAC (Applicant Engel, Andreas )
• Structural and kinematic models of the Aegean based on HALO gravity and magnetic data (Applicants Geiger, Alain ;  Lesur, Ph.D., Vincent )
• Test and intercomparison of water, aerosol, cloud droplet, ice particle, and ice nuclei instruments for the HALO aircraft using the AIDA facility (AIDA-HALO) (Applicant Möhler, Ottmar )
• Towards a quantification of vortex impact on the arctic lowermost stratosphere (Applicant Hoor, Peter )
• Trace Gas Budgets and Interhemispheric Differences of Composition and Transport in the UTLS (Applicant Hoor, Peter )
• Tracer measurements with HAGAR-V during PHILEAS to investigate the impact of the Asian monsoon on the extratropical UTLS (Applicant Volk, Ph.D., C. Michael )
• Transport and composition of the southern hemisphere UTLS (SOUTHTRAC) (Applicants Engel, Andreas ;  Hoor, Peter )
• Transport timescales and halogen budget in the Arctic polar Vortex and the UTLS during HALO-ASCCI (Applicant Engel, Andreas )
• Umbrella Proposal for HALO-South: The interplay of Clouds, Aerosols and Radiation above the Southern Ocean (Applicant Pöhlker, Mira )
• Umbrella Proposal for the HALO-(AC)³ Mission: Arctic Air-Mass Transformations During Warm Air Intrusions and Marine Cold Air Outbreaks (Applicant Wendisch, Manfred )
• Understanding clouds and precipitation at the sub kilometer scale using HALO and ICON – Air mass transformations in the Arctic (UCP-Arctic) (Applicants Ament, Felix ;  Schemann, Vera )
• Understanding clouds and precipitation at the sub kilometer scale using HAMP – The edge of shallow precipitation (UCP-HAMP-Edge) (Applicants Ament, Felix ;  Crewell, Susanne )
• Understanding clouds and precipitation at the sub kilometer scale using HAMP (UCP-HAMP) (Applicants Ament, Felix ;  Bühler, Stefan ;  Crewell, Susanne )
• Using the HALO Microwave Package (HAMP) for cloud and precipitation research (Applicants Ament, Felix ;  Crewell, Susanne )
• Using tracer observation with GhOST-MS during TACTS, SALSA, POLSTRACC and WISE to derive age spectra and the halogen budget of the UTLS during different seasons (Applicant Engel, Andreas )
• WISE: Wave driven isentropic exchange (Applicant Hoor, Peter )

• Spokesperson: Professor Dr. Manfred Wendisch