Instrumentation during A-LIFE field campaign
Here an overview is given. More details for some instruments are available via the menu on the right side.
| Instrument | Measured parameters |
|---|---|
| Condensation Particle Counters (CPC), 3 CPCs with different lower cut-off, 1 reference CPC for CCN measurements | Total number concentration of fine mode particles (0.005 μm < Dp < 2.5 μm) and non-volatile particle fraction |
| Two Optical Particle Counters (OPC), type Grimm Sky 1.129 | Total and non-volatile size distribution (0.25 μm < Dp < 2.5 μm) |
| Thermo-denuder (255°C) + (CPC and OPC) | Total and non-volatile size distribution (0.01 μm < Dp < 2.5 μm) |
| Envitech Optical Particle Analyzer (OPAL) | Simultaneous measurement of particle size distribution (~0.5 μm < Dp < 5 μm) and complex refractive index (660 and 808 nm) |
| Polar nephelometer, type Ecotech Aurora 4000 | Particle light scattering coefficient at three wavelengths (450, 525, 635 nm). Light scattering coefficients will be recorded for total scattering and hemispheric backscattering. |
| Two Brechtel tri-color absorption photometer (TAP) | Absorption coefficient of total aerosol and of sub-micron aerosol at three wavelengths (467, 528, 652 nm) |
| Three wavelength Particle Soot Absorption Photometer (3-λ-PSAP) | Absorption coefficient of non-volatile aerosol at three wavelengths (467, 530, 660 nm) |
| Single Particle Soot Photometer (SP2) | Refractory black carbon mass in the range 5-104 fg, corresponding to an equivalent size range of 80-480 nm, single-particle coating thickness, mixing state |
| Dual Column Cloud Condenstation Nuclei Counter (CCNC) | Number concentration of cloud condensation nuclei at various supersaturations |
| Impactor sampler | Chemical composition and shape of particles < 2.5 µm |
| Instrument | Measured parameters |
|---|---|
| Ultra-high Sensitivity Aerosol Spectrometer – Airborne (UHSAS-A) | Aerosol size distributions (0.06 μm < Dp < 1 μm) |
| Passive Cavity Aerosol Spectrometer Probe (PCASP-100X) | Dry state accumulation mode (0.12 μm < Dp < 3.5 μm) |
| Cloud and Aerosol Spectrometer with Detector for Polarization Detection (CAS-DPOL) | Aerosol particle and cloud hydrometeor size distributions (0.5 μm < Dp < 50 μm), particle optical properties, particle shapes |
| Second generation Cloud, Aerosol, and Precipitation Spectrometer with Polarization Detection (CAPS) | Aerosol particle and cloud hydrometeor size distributions (0.5 μm < Dp < 930 μm), particle optical properties, particle shapes, liquid water content, aircraft velocity |
Other instruments on DLR Falcon
| Instrument | Measured parameters |
|---|---|
| 2-μm pulsed Doppler wind lidar | Vertically resolved horizontal wind vector (conical scan), vertical wind speed (nadir pointing), and backscatter coefficient (conical scan and nadir pointing) |
| Falcon nose boom instrumentation | Position, temperature, pressure, humidity, 3D-wind |
| Instrument | Measured parameters |
|---|---|
| Instruments by TROPOS Leipzig | Size distribution, absorption, ... |
| SSARA sun photometer | Optical thickness as function of wavelength, polarization of the sky radiance at 500nm |
| CIMEL sun photometer | Optical thickness and sky radiance as function of wavelength, additional capability: optical thickness during night (lunar photometer) |
| POLIS lidar | Vertical aerosol profiles of backscatter coefficients, extinction coefficients, and linear depolarization ratio (at 355nm and 532nm) |
| Trace gas monitor (Aerolaser AL5002 Ultra Fast Carbon Monoxide (CO) analyzer and TECO 43C SO2 analyzer) | Carbon monoxide and sulfur dioxide concentration |
| Instruments by TU Darmstadt | Single particle analysis (chemical composition, shape, size) ... |