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

EVID11: An Italian coordinated contribution to the Validation of EarthCARE
products from three atmospheric observatories in the Central Mediterranean Sea
G.L.Liberti, D.Dionisi, M.Di Paolantonio, G.Giuliano, Institute of Marine Sciences (ISMAR), CNR, Roma, Italy, Rome, Italy,
L.Baldini, E.Adirosi, S.Argentini, F.Barnaba, A.Bracci, F.Cairo, M.Campanelli, G.Casasanta, G.P.Gobbi, L.di Liberto, M.Montopoli, F.Pasqualini, I.Petenko
Institute of Atmospheric Science & Climate (ISAC), CNR, Roma, Italy, Rome, Italy,

G.Pacea, V.Ciardinia, T.di Iorioa, A.G.di Sarrab, P.Grigionia, D.Melonia, F.Monteleonec, C.Scarchillia, D.Sferlazzod
Laboratory for Observations and Measurements for Environment and Climate (SSPT-PROTER-OEM) a Rome, b Frascati, c Palermo, d Lampedusa, Italy

A.Di Bernardino Physics Department, “Sapienza” University of Rome, Italy
S.Casadio, A.M.Iannarelli Serco spa, Frascati, Italy,

Instrument

Raman-Mie-Rayleigh Lidar
Dual Polarization Weather Radar Cband
Cloud Doppler Radar 35 GHz
Metek Micro Rain Radar-profiler
Thies Clima disdrometer
Weather station
Pandora
CHM15k lidar ceilometerWind lidar
Sodar doppler

ATLID

MSI

CPR

COMBINED

RMC
RMB
LMP
A-FM
A-AER
A-EBD
A-ALD
A-ICE
A-TC
A-CTH
M-CM
M-COP
M-AOT
C-TC
C-FMR
C-CD
C-CLD
AM-ACD
AM-CTH
AC-TC
ACM-CAP
ACM-COM

Site

x x x D D D D D D D D DDx

D D D D

Dxxx
Dxx
Axxx xA A A
XX D D A D A D DX X
D D D DD DX
A A A

SKYNET SunSky radiometer PREDE-POM
01x

D D D DD D D DD D A DD DA

D DD PAAAA
D D A AD D A AAAAADDD A A A

D A

DDD A

AERONET Sun-Sky radiometer CIMELX x x D A A A
318

D A

DDD A

PPPPPPPPPPPPPPPPPPPPP

D DDD DA
A

A A
D DA
A

X
Aerodynamic Particle Sizer
X
Condensatationn Particle Counterx
Nephelometerx
Aethalometerx
Optical Particle Counterx
Gas Analyzers(NO-NO2-NOx–SO2-H2S) xPPPPPPP

Scanning mobility particle sampler

Vis MultiFilter Rotating ShadowbandRadiometer

All Sky Camera
MWR HATPRO RPGBrewer MKII spectrophotometer
MAX-DOASxPPPPPPPPPPPPPP

D A A ADx x x D P P Pxx
A A Ax
A A A

A
DDA A
DDA

RMB

D D D DRMCLMP••••••

Physiological changes in the Team
Addition of new instruments and/or upgrade of existing ones
On-going studies on the proposed methodology
Italian Space Agency funded project EC-ValMed.it 2024-2026
Contribution to the Best Practices document(New sites)

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

Current RMR ToV Lidar acquisition channels
Specifications for the upgraded channel.
2𝛃 + 𝟏𝛂 + 𝒘𝒗 + 𝑻
Current CH#
N/A
N/A
N/A
N/A
1
N/A

Tele ⌀ (cm)λ (nm)
354,7-P
354,7-S
386,7407,5532,1607,6

Type
Elastic transmitted
Elastic reflected
N2 Raman
H2O Raman
Elastic
N2 Raman

30354,7-P
354,7-S
386,7407,5532,1607,6

Elastic transmitted
Elastic reflected
N2 Raman
H2O Raman
Elastic
N2 Raman

9 x 50532,1386,7407,5Elastic
N2 Raman
H2O Raman

15ACTRIS
8N/A
452N/A

Medium-highatmosphere

367ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy

Upgraded RMR ToV Lidar acquisition channels
Specifications for the upgraded channel. The new acquisition channels are highlighted in the table.
2𝜷 + 𝟐𝜶 + 𝟏𝜹 + 𝒘𝒗 + 𝑻
2𝛃 + 𝟏𝛂 + 𝒘𝒗 + 𝑻
Current CH#N/A
N/A
N/A
N/A1N/ANew CH#
1234568N/A
452N/A

789101112367N/A

Tele ⌀ (cm)λ (nm)
354,7354,7386,7407,5532,1607,6Type
IF FWHM (nm)
PMT model
Elastic transmitted
0,5H10721P-110-01
Elastic reflected
0,5H10721P-210-01
N2 Raman
0,3H10721P-210-01
H2O Raman
0,3H10721P-210-01
Elastic
0,5H10721P-113-01
N2 Raman
1,0H10721P-210-01

30354,7354,7386,7407,5532,1607,6

Elastic transmitted
Elastic reflected
N2 Raman
H2O Raman
Elastic
N2 Raman

1314158 x 50

532,1386,7407,516 - 47

1 x 5015ACTRIS

Medium-highatmosphere

Elastic
N2 Raman
H2O Raman
Aerosol
350 - 650
fluorescence

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

0,50,50,30,30,51,0

H10721P-110-01
H10721P-210-01
H10721P-210-01
H10721P-210-01
H10721P-113-01
H10721P-210-01

Troposphere(32-channel PMT with a 750
mm spectrograph)

Proposed approach••••••

Representativity: Optimization of Match-up criteria variable/level/scenariodependent) (Bracci et al. 2023, www.eumetsat.int/characterisationcandidate-oc-svc-sites-lampedusa -> Liberti et al. 2020)
Experience in statistical comparison (e.g. GPM DPR: Adirosi 2021; AEOLUS
experience: Dionisi et al. 2023)
Improved estimation of total uncertainty budget contributions for theground based observations.
Synergistic (e.g. Tsekeri et al. 2023, Adirosi et al. 2016) processing ofobservations from different instruments
Optimization of comparison statistics and validation tests
Estimation of the impact of the urban environment (Drosoglou et al. 2023)

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

References•••••••

Adirosi, E., L. Baldini, N. Roberto, P. Gatlin, A. Tokay, Improvement of vertical profiles of raindrop size distribution from micro rain radarusing 2D video disdrometer measurements, Atm. Res., 169, Part B, 2016, 404-415, https://doi.org/10.1016/j.atmosres.2015.07.002.
Adirosi, E. et al., Validation of GPM Rainfall and Drop Size Distribution Products through Disdrometers in Italy. Remote Sens. 2021, 13,2081. https://doi.org/10.3390/rs13112081
Bracci. A., K.Sato, L.Baldini, F.Porcù, H.Okamoto, Development of a methodology for evaluating spaceborne W-band Doppler radar bycombined use of Micro Rain Radar and a disdrometer in Antarctica, Remote Sensing of Environment, 294, 2023, 113630,
https://doi.org/10.1016/j.rse.2023.113630.
Dionisi, D., Bucci, S., Cesarini, C., Colella, S., D'Alimonte, D., Di Ciolo, L., Di Girolamo, P., Di Paolantonio, M., Franco, N., Gostinicchi, G.,Kajiyama, T., Liberti, G. L., Organelli, E., & Santoleri, R.: Ocean color through satellite lidars: the COLOR project, EGU General Assembly
2023, Vienna, Austria, 24–28 Apr 2023, EGU23-16196, https://doi.org/10.5194/egusphere-egu23-16196 , 2023.
Drosoglou, T., Raptis, I.-P., Valeri, M., Casadio, S., Barnaba, F., Herreras-Giralda, M., Lopatin, A., Dubovik, O., Brizzi, G., Niro, F.,Campanelli, M., and Kazadzis, S.: Evaluating the effects of columnar NO2 on the accuracy of aerosol optical properties retrievals,Atmos. Meas. Tech., 16, 2989–3014, https://doi.org/10.5194/amt-16-2989-2023 , 2023.
Liberti, G.L.; D’Alimonte, D.; di Sarra, A.; Mazeran, C.; Voss, K.; Yarbrough, M.; Bozzano, R.; Cavaleri, L.; Colella, S.; Cesarini, C.; et al.
European Radiometry Buoy and Infrastructure (EURYBIA): A Contribution to the Design of the European Copernicus Infrastructure for
Ocean Colour System Vicarious Calibration. Remote Sens. 2020, 12, 1178. https://doi.org/10.3390/rs12071178
Tsekeri,A., et al.: Combined sun-photometer/lidar inversion: lessons learned during the EARLINET/ACTRIS COVID-19 Campaign, Atmos.
Meas. Tech., https://doi.org/10.5194/amt-2023-76

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

ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), ItalyMap of average absolute cloud cover difference between thereference box (12.75° E,35.5°N) and the remaining ones inthe considered area. Data source: 2010-2019 ERA-5 total cloudcover (unit: fraction)

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

EVID<XX>: EarthCARE Validation in Central Mediterranean

Time series of monthly averaged AOD (a) and AE (b) measurements over APL-SAP (AERONET andSKYNET) and CNR-ISAC (AERONET). Note that AERONET AOD and AE correspond to the wavelength
channels of 440 and 440–870 nm, respectively, whereas SKYNET AOD and AE refer to 400 and 400–
1020 nm, respectively. The shaded areas correspond to the monthly 1σ standard deviation.
ESA-JAXA Pre-Launch EarthCARE Science and Validation Workshop | 13 – 17 November 2023 | ESA-ESRIN, Frascati (Rome), Italy