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The Program
Field campaigns
C1. Masataka Murakami
Project URL: https://japan2016uaerep.wordpress.com/
Observations
Cloud Physics Research Aircraft
14 research flights in September 2017.
Most flights over the Al Ain region and Hajar Mountains.
|
Instrument |
Variable |
|
PCASP |
Size distribution off aerosols / 30 bins / 0.095 to 2.9 µm |
|
FSSP |
Size distribute on of cloud droplets / 15 bins / 3.5 to 45.5 µm |
|
CAS |
30 bins / 0.0575 to 47.5 µm |
|
CIP |
Cloud droplet imager / 62 bins / 25 to 1550 µm |
|
Probes |
Temperature / Pressure / LWC / Dew point T / Water vapour density |
Ground
https://japan2016uaerep.wordpress.com/ground-based-obs/
Observations site: Al Ain Airport
Dates: Deb 2017 to Jan 2018
|
Instrument |
Variable |
|
Microwave Radiometer |
Cloudbase / LWC / Liquid water path / Temperature profile |
|
Micro Rain Radar |
Radar Reflectivity |
|
Optical Disdrometer |
Precipitation |
C1. Wulfmeyer
Project URL: https://ocal.uni-hohenheim.de/en
Observations
Micromet
Observation site: Al Alin Airport
Dates: April 2017 to Oct 2017; February 2018 to January 2019
|
Instrument |
Variable |
|
Eddy covariance |
Air temperature / Relative humidity / Surface radiation fluxes / Horizontal and vertical wind components / sensible heat flux / Water vapour content / latent heat flux / Surface pressure / Soil temperature / Soil humidity / Soil heat flux |
Cloud radar and wind lidar
Observation Site: Hajar mountains
Dates: May to July 2018
Plots available at: http://guest.metek.de/mbc2/scan/domescan.html
Highlights of measurements:
https://ocal.uni-hohenheim.de/fileadmin/einrichtungen/ocal/Highlights_OCAL_field_measurements.pdf
C2. Harisson
Observations
Observation site: AL Ain Airport
Dates: January 2018 to September 2019
|
Instrument |
Variable |
|
Ceilometer (Vaisala CL 31) |
Cloud base height / Back scatter |
|
A Campbell CS110 electric field mill |
Electrical charge |
|
Biral SWS100 visibility sensor |
Visibility |
C2. Korhonen
Observations
Observation site: Sharjah
Dates: Mar to May 2018 / Aug to Sep 2018 / Nov 2018 to Feb 2019
|
Instrument |
Variable |
Notes |
|
Raman Lidar |
Backscatter. Points vertically |
Elastic backscatter channels at 355, 532, and 1064 nm, Two rotational–vibrational Raman channels at 387 and 607 nm, Two linear depolarization channels at 355 and 532 nm, One water vapour detection channel at 407 nm. Two near-field elastic backscatter channels at 355 and 532nm Two near-field rotational–vibrational Raman channels at 387 and 607 nm. Vertical resolution of 7.5m in temporal steps of 30 s |
|
Doppler Lidar (HALO) |
Vertical profiles: attenuated backscatter, Doppler velocity, dissipation rate, horizontal winds, wind shear, boundary layer classification. |
|
|
CCN Counter (DMT CCN-100) |
Total concentration of CCN |
Size segregation: 10–250 nm; 20 bins; Measured at supersaturations of 0.1, 0.2, 0.3, 0.6, and 1. |
|
Differential Mobility Particle Sizer |
Aerosol size distribution |
7 to 800 nm (0.007 to 0.8 µm). 30 bins |
References:
Raman Lidar: https://doi.org/10.5194/acp-20-8909-2020
Doppler and CCN: https://doi.org/10.5194/acp-22-481-2022
C2. Lawson
Cloud Physics Research Aircraft
Six cloud and aerosol sampling flights during August 2019 over the UAE (primarily northeast)
|
Instrument |
Variable |
Notes |
|
CPC |
Ultra fine mode aerosol |
0.01-3 um |
|
PCASP |
Aerosol size dist and conc |
0.1-3 um |
|
FCDP |
Coarse mode aerosol spectra and conc |
1.5-50 um |
|
FFSSP |
Cloud particle spectra and conc. |
3-100 um |
|
2D-S10Hva |
Cloud particle shapes and spectra |
10-3000 um |
|
2D-S50Hb-Hawkeye |
Cloud particle shapes and spectra |
50 – 6400 um |
|
CPI-Hawkeye |
Cloud Particle shapes |
2.3 – 2300 um |
|
HVPS |
Precip particle shape and spectra |
150 um – 2 cm |
|
Nevzorov |
Liquid and total water content |
|
|
AIMMS |
State parameters (T, pressure, humidity) |
|
C4. Baker
Cloud Physics Research Aircraft
Nine flights with limited cloud and aerosol sampling during August-September 2023.
Same instruments as in C2 – Lawson (above), in addition to a K-band radar.
