ESA-JAXA Pre-Launch EarthCARE
Science and Validation Workshop
13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

EVID14: Cabauw Experimental Site for Atmospheric Research for
EarthCARE evaluation (CECARE)
A. Apituley1, D. Alves1, H. Russchenberg2, D. Donovan1,
B. Henzing3, C. Unal2, W. Knap1, G.J. van Zadelhoff1
1. KNMI 2. TU-Delft 3. TNO

EVID14: CECARE Goals
CECARE focuses on assessment of the validation andobservations carried out at CESAR make the dataset
representativity of EarthCARE observations of aerosol andparticularly suited for studying the mission goals ofcloud products using comprehensive observations at theEarthCARE, i.e. study of the Earths’ radiation balance byCabauw Experimental Site for Atmospheric Research (CESAR) studying radiation, radiative forcing (direct, indirect) andin the Netherlands.
feedbacks.
The proposed work aims at the long-term validation of the National component of EVID05 (ACTRIS), participating in theEarthCARE L2 data products and will look into the overall
ATMO-ACCESS pilot project for satellite CAL/VAL, part ofEarthCARE mission goals through building a long-term
CERTAINTY
collocated database from the CESAR Observatory. The unique
combination of profiling, column integrated and in-situ

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

Cabauw Atmospheric Research Station
Surveillance Drizzle X-band Radar
Multiwavelength Raman Lidar
UV-depolarization-Raman lidar

Since 1972: measurement program:•Long-term measurement series•Studies of processes boundary layer and soil/atmosphere interaction•Model development and verification of weather models•Earth observation satellites: validation and calibration•Training

35/94 GHz Ka/W
Doppler polarimetriccloud radar'Supersite’•
Measuring mast of 213 m, remote sensing instruments and in-situ
measurements at 1 location•
Large variation in and combinations of measured parameters•
Wide range of space and time scales and resolutions

Staring Wind
Lidar

Scanning Wind
Lidar
Micro rain radar,disdrometer

Microwave
radiometer

MAXDOAS/PANDORA

BSRN, Aeronet, Sky camera

213 m

Ceilometer

In-situ observations- meteorology- trace gases- greenhouse gases- aerosols- fluxes

Dennis Manda - Mandaproductions
ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), ItalyCÆLI: 3𝛽 + 2𝛼 + 1δ + q• Cabauw ACTRIS/Earlinet lidar• 355, 387, 407, 530, 532, 532p, 532s,607, 1064 nm• Near field, far field and depolarisation
telescopes – 24 channels• Raman daytime capabilities (𝛼, 𝛽 atUV)

Water Vapor Mixing Ratio

Aerosol optical properties predicted from ground-based observations compared to Raman lidar retrievals during RITA2021, Xinya Liu, Diego Alves Gouveia, Bas Henzing, Arnoud Apituley, Arjan Hensen, Danielle van Dinther, Rujin
Huang, and Ulrike Dusek, ACP, initial submission, 5 Oct. 2023

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

4

ACTRIS processing – SCC retrievals: Caeli + UV-lidar•••

Caeli: 3𝛽 + 2𝛼 + δ532 above ~ 800 m
UV-lidar: β355, 𝛼355, δ355 above ~ 300 m (24/7)
Mind the gap: Depolarization at UV and VIS, but from different
instruments

2023-07-13

2023-07-13

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

Cloudnet – Cabauw

94 GHz cloud radar

https://cloudnet.fmi.fi/search/visualizations?site=cabauw
ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

Microwave radiometerLutjewad Atmospheric Research Station
94 GHz W
Dopplerpolarimetriccloud radar

Microwaveradiometer
UVdepolarization
lidar

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

Cloudnet – Lutjewad

https://cloudnet.fmi.fi/search/visualizations?site=lutjewad
ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

Second UV-lidar to Lutjewad

Q4-2023/Q1-2024

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

CINDI-3 announcement
Location: Cabauw, The Netherlands
Preparation phase. : 21 May – 26 May 2024
Observation phase. : 27 May – 16 June 2024,
possible extension until 21 June

ESA-JAXA
Pre-Launch
EarthCARE
Trolix MAX-DOAS&Pandora
Locations
Science and Validation Workshop
Trolix MAX-DOAS/Pandora
locations

13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy
KNMI R2

VirTech R5

Goals:• Intercomparison• Main target gases: NO2, Ozone• Profile information• Homogeneity (configuration with temporary stationsin the urban Rotterdam area)• Mobile observations in the urban area (ground basedand airborne)
Organization

KNMI R6MPIC R7
BIRA R9KNMI K17
KNMI K18
KNMI K19
AUTH C11NIWA C12RuralUrban: KNMI, Arnoud Apituley
arnoud.Apituley@knmi.nl: BIRA, Michel van Roozendael
michel.vanroozendael@aeronomie.be10

Martijn.van.Dijk, 2023 Cabauw paraglider
ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy