Instruments

Cabin Instruments

Cabin instrumentation of HALO during CIRRUS-HL
Cabin instrumentation of HALO during CIRRUS-HL
InstrumentMeasured properties and rangePrincipal investigator and institution
Hera4HALO High volume particle samplerProperties of ice nucleating particles and aerosol chemical compositionStratmann/Herrmann
TROPOS
HALO-CVI Counterflow Virtual Impactor inlet on the bottom fuselage with CPC/UHSAS/PSAPCloud residual number concentration, absorption coefficient, size distribution from 65 nm – 1 µmMertes
TROPOS
ALABAMA Aircraft-based Laser Ablation Aerosol Mass SpectrometerChemical composition of aerosol and cloud residuals > 150 nmSchneider/Borrmann
MPI-C/Uni Mainz
AMETYST Aerosol MEasuremenT SYSTem with CPCs/PSAP/SP2xrSize distribution of total and non-volatile aerosol, 4 nm – 2 µm, absorption, black carbonSauer
DLR
UHSAS Ultra-High Sensitivity Aerosol SpectrometerAerosol properties 70 nm – 2 µmPöhlker, Pöschl
MPI-C
SMART-Albedometer Spectral Modular Airborne Radiation Measurement SystemSpectral radiance, spectral irradiance 350 – 2200 nmWendisch
Uni Leipzig
BACARDI Broadband AirCrAft RaDiometer Instrumentation Pyrgeometer and ProanometerBroadband SW and LW radiation fluxesWendisch/Giez
Uni Leipzig/DLR
BAHAMAS BAsic HAlo Measurement And Sensor systembasic meteorological parameters like pressure, temperature, 3-D wind vector; aircraft position and attitudeGiez
DLR
BCPD Backscatter Cloud Probe with Polarization DetectionParticle number and size, 2 µm – 50 µmJurkat-Witschas/Voigt
DLR
specMACSHyperspectral and angular SW radiance (400 – 2500 nm); wide-angle polarized imagingMayer, Zinner
LMU
WALES high spectral resolution lidar with H2O differential absorption channelH2O profile, aerosol/cirrus extinction, depolarization, lidar/colour ratioWirth
DLR
AIMS-H2O Airborne H2O Mass SpectrometerH2O, gas phase water, 1 – 500 ppmKaufmann, Voigt
DLR
FISH Lyman-α Fluorescence HygrometerH2O, total or gas phase water, 1 – 1000 ppmKrämer
FZJ
SHARC Sophisticated Hygrometer for Atmospheric ResearCh TDLH2O, gas phase water, 4 – 40000 ppmZöger
DLR
WARAN Water Vapor Analyzer, Tunable Diode Laser HygrometerH2O, total or gas phase water, 50(1) – 40000 ppmMarsing, Voigt
DLR
AENEAS AtmosphEric Nitrogen oxides mEAsuring System chemiluminescence detectorNO, NOy, aircraft tracer, 5 ppt – 60 ppbZiereis
DLR
PICARRO Cavity ring-down spectroscopyTrace gas concentrations of CO, CO2, CH4Klausner
DLR
FAIRO Fast AIRborne Ozone monitorO3Zahn
KIT
DropsondesTemperature profile, humidityKaufmann
DLR

Exterior Instruments

Particles Measurement Sondes (PMS) instrumentation of HALO during CIRRUS-HL
Particles Measurement Sondes (PMS) instrumentation of HALO during CIRRUS-HL
InstrumentMeasured properties and rangePrincipal investigator and institution
CAS-DPOL Cloud and Aerosol SpectrometerParticle size distribution, polarization, 0.6 – 50 µmVoigt
DLR
CCP (CDP/CIP) Cloud Combination ProbeParticle size distribution, shape; CDP 3 – 50 µm, CIP 15 – 960 µmVoigt
Uni Mainz
NIXE-CAPS (CAS-DPOL/CIP) Cloud and Aerosol SpectrometerParticle size distribution, shape, polarization; CAS 0.6 – 50 µm, CIP 15 – 960 µmKrämer
FZJ
PHIPS Particle Habit Imaging and Polar Scattering ProbeParticle size distribution, phase function, 10 – 1000 µmJärvinen
KIT
SID-3 Small Ice Detector mark 3Particle size distribution, complexity, 5 – 50 µmJärvinen
KIT
PCASP-100X Passive Cavity Aerosol Spectrometer ProbeAerosol size distribution, 0.12 – 3.5 µmSauer
DLR
MTP Microwave Temperature ProfilerMicrowave radiance at 56.363, 57.612 and 58.363 GHz for temperature profileTomsche
DLR