News

Overview paper published

The early online release of the SALTRACE overview paper is now available via the BAMS journal homepage.
Dec 2016

New publications

Check out recent SALTRACE publications on out Publications page.
Jul 2016

New publications

Check out recent SALTRACE publications on out Publications page.
Jul 2016

SALTRACE@DUST2016

Session MF09 - Atmospheric Transport and Modification of Mineral Dust. See DUST2016 Website for details.
11 Mar 2016

4th SALTRACE Workshop

Our 4th workshop was be held at DLR (Oberpfaffenhofen) from Nov 30 to Dec 1, 2015.
1 Dec 2015

SALTRACE
Special Issue

We are pleased to inform you that AMT and ACP have approved our proposal for a joint Inter-Journal Special Issue about SALTRACE. As of today, manuscripts can be submitted by using the online registration forms on the ACP and AMT websites. The SALTRACE Special Issue is open until 28 February 2017. 16 Feb 2015

SALTRACE at EGU 2015

Please note the session at the EGU General Assembly 2015 in Vienna Intercontinental transport of mineral dust across the Atlantic Ocean where various groups will present first data and results from SALTRACE.19 Jan 2015

3rd SALTRACE workshop

The 3rd SALTRACE data workshop was held on Feb 24 and 25, 2015 at the LMU in Munich. 25 Feb 2015

2nd SALTRACE workshop

Our second SALTRACE workshop was held in Leipzig from May 27 to 28th to exchange first results of the SALTRACE data analysis between the different groups. 30 May 2014

more news...

Instrumentation

Instrumentation on board the DLR Falcon for SALTRACE

Aerosol in-situ instruments operated inside the cabin behind an isokinetic inlet (Dp < 2.5 μm)
Multi-channel CPC (2 unheated, 2 heated channels) Integral number concentration of ultrafine particles (0.004 μm < Dp < 2.5 μm) and non-volatile particle fraction
2-channel OPC (Grimm SKY-OPC 1.129) Total and non-volatile size distribution (0.25 μm < Dp < 2.5 μm)
Thermo-denuder (250°C) + CPC Size distribution non-volatile/total Aitken mode (0.01 μm < Dp < 2.5 μm)
3-λ-PSAP Absorption coefficient at λ=467 nm, λ=530 nm and λ=660 nm
SP2 Black carbon mass, single-particle coating thickness, mixing state
CCNC

Fraction of aerosol particles acting as cloud condensation nuclei as function of supersaturation

Impactor sampler Chemical composition and shape of fine mode particles
Aerosol in-situ instruments sampling at wing stations
UHSAS-A Aerosol size distributions (nominal size range: 60 nm < Dp < 1 μm)
PCASP-100X Dry state accumulation mode (nominal size range: 0.12 μm < Dp < 3.5 μm)
FSSP-100 Ambient state accumulation + coarse mode (nominal size range: 0.1 μm < Dp < 30 μm)
CAS-DPOL

Aerosol particle and cloud hydrometeor size distributions (nominal size range: 0.51 μm < Dp < 50 μm), particle optical properties, particle shapes

Remote sensing instruments
2-μm pulsed Doppler wind lidar

Horizontal wind vector (conical scan), vertical wind speed (nadir pointing), and attenuated backscatter (conical scan and nadir pointing).

Accuracy and resolution: 100 m vertical and 4.5 km – 7.5 km horizontal resolution (depending on aircraft ground speed); 0.5 ms-1 – 1.5 ms-1 horizontal and 0.1 ms-1 vertical wind speed precision (depending on atmospheric backscatter resp. signal-to-noise ratio).

Meteorological data
Falcon standard instrumentation Position, temperature, pressure humidity, 3D-wind velocity
Dropsondes Temperature, pressure, humidity, wind

Instrumentation at the CIMH campus, Bridgetown, Barbados

Ground-based measurements by TROPOS
BERTHA-Lidar α(3λ), β(3λ), Δ(3λ)
Dual-Polar sun photometer AOD(8λ), DOLP
Radiosonde Temperature, relative humidity, wind
Ground-based measurements by LMU-MIM
Polis-Lidar α(2λ), β(2λ), Δ(2λ)
SSARA-P AODp, δp(λ)

Instrumentation at Ragged Point Station, Barbados

Ground-based measurements by TU Darmstadt
CCNC, INC, Single-Particle Analysis Cloud condensation nuclei and ice nuclei sampling, hygroscopy, mineralogical analysis and chemistry from ground based samples (tower).
Ground-based measurements by the University of Miami
Sun photometer (AERONET)Aerosol optical depth, aerosol optical properties

Instrumentation at Deebles Point Station, Barbados

The Cloud Observatory Barbados is operated by the Max Planck Institute for Meteorology in Hamburg, Germany. A detailed list of instruments deployed at Deebles Point can be found on the project web page. The current instrument status and data quicklooks are shown at barbados.zmaw.de.

Instrumentation at Cape San Juan Station, Puerto Rico

Detailed station information is available at GAWSIS.
Ground-based measurements by the University of Puerto Rico
Nephelometry, integratingHemispheric backscattering coefficient, light scattering coefficient, total aerosol
Light absorption photometryLight absorption coefficient, total aerosol
Filter + light attenuation (aethalometer)Light absorption coefficient, total aerosol
Condensation particle counter (CPC)Number concentration
SMPSFine mode size distribution
OPCCoarse mode size distribution
Sun photometer (AERONET)Aerosol optical depth, aerosol optical properties
Ground-based measurements by LISA
Filter samples, electron microscopy and infrared spectroscopy Chemical analysis of individual particles and bulk aerosol

Instrumentation at Pico Este Station, Puerto Rico

Ground-based measurements by the University of Puerto Rico
Liquid water content (LWC-100 DMT) Liquid water content from 0.5 to 3 g/m3
Backscatter Cloud Probe (BCP, DMT) Cloud droplet size distributions from 5 to 75 μm, total number concentrations (0-1000 particles cm-3, LWC, MVD and effective diameter
Visibility Sensor

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