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Aerosol Climate Time Series Evaluation in ESA Aerosol_cci Thomas Popp, Gerrit de Leeuw, Simon Pinnock, Miriam Kosmale, Larisa Sogachewa, Pekka Kolmonen,

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Presentation on theme: "Aerosol Climate Time Series Evaluation in ESA Aerosol_cci Thomas Popp, Gerrit de Leeuw, Simon Pinnock, Miriam Kosmale, Larisa Sogachewa, Pekka Kolmonen,"— Presentation transcript:

1 Aerosol Climate Time Series Evaluation in ESA Aerosol_cci Thomas Popp, Gerrit de Leeuw, Simon Pinnock, Miriam Kosmale, Larisa Sogachewa, Pekka Kolmonen, Gareth Thomas, Adam Povey, Caroline Poulson, Peter North, Andreas Heckel, Lars Klüser, Virginie Capelle, Lieven Clarisse, Sophie Vandenbussche, Oleg Dubovik, Pavel Litvinov, Christine Bingen, Charles Robert, Jacques Descloitres, Marco Vountas, Luca Lelli, Linlu Mei, Stefan Kinne, Michael Schulz, Jan Griesfeller, Kerstin Stebel, Christoph Brühl, David Neubauer, Pepijn Veefkind, Gijsbert Tilstra, Yong Xue, Yves Govaert, Jürgen Fischer, Martin de Graaf

2 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 2 Aerosol_cci evolution cycle 4. independent validation

3 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 3 Aerosol_cci Phase 2 New products 2015 ParameterSensor (Algorithms) Coverage (planned) - status AOD (4 λ) FM-AOD, Angström exponent Dual view VIS-TIR ATSR-2 + AATSR (3 algorithms) 1995 – 2012 (2016 – 2030 SLSTR) Dust AOD Round robin Thermal IR spectrum IASI day+night (4 algorithms) 2013 (2006 – 2015) (- 2024 METOPs) AOD, Angström exponent, SSA Quasi-reference Polarisation / multi- angle multi-pixel VIS PARASOL (GRASP) 2008 (1996, 1998, 2006 – 2015) selected land regions (2020 – 3MI) Stratospheric extinction, AOD, size Star occultation VIS GOMOS 2002-2012 AAIUV ratio index Multi-sensor 1978 - 2013

4 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 4 Required aerosol data products GCOS satellite supplement 2011 (GCOS-154) AOD accuracy requirement: max (0.03; 10%) Extinction profile Layer height Absorption AOD / SSA Model users (Aerosol_cci URD 2014) Fine mode AOD, dust AOD Aerosol index (AOD * Angström exponent)

5 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 5 Needs for improvement identified after Phase 1 AATSR / ATSR-2 Improvement for AOD > 0.2 Cloud masking / coverage Consistent uncertainties GOMOS Higher temporal resolution Higher coverage (weak stars)

6 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 6 Lv3 AOD vs AERONET 2008 (3 AATSR, MODIS)

7 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 7 ADV and SU are overall similar, with ORAC closer to MODIS. Regionally larger differences. ATSR-2 differences larger: under study 3 ATSR time series MODIS as reference

8 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 8 AATSR, 2002-2012 ORAC v3.02 (L2. Land)

9 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 9 AATSR, 2002-2012 ADV v2.30 (L2. Land)

10 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 10 AATSR, 2002-2012 Swansea v4.21 (L2. Land)

11 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 11 Growing confidence in Fine mode AOD (land+ocean, SU AATSR) Total AOD Dust AOD Fine mode AOD

12 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 12 Growing confidence in Fine mode AOD (land+ocean, 3x AATSR) ADV ORAC SU

13 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 13 AATSR (SU) Uncertainties old new land ocean uncertainty „true“ error

14 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 14 AATSR (3 algo) Uncertainties land ocean uncertainty „true“ error ADV SU ORAC

15 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 15 AATSR ensemble ADV SU ORAC ensemble

16 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 16 only common points all points AATSR ensemble

17 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 17 Annual Mean Dust AOD 10µm 2013 IMARS LMD ULB MAPIR

18 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 18 L3 Evaluation with AERONET: Daily SDA Coarse Mode AOD 0.55µm AERONET SDA coarse mode AOD at „dusty“ sites comparison of daily 1° averages validation complex: no 10µm reference, conversion to 550nm, different sampling IMARS LMD MAPIR ULB

19 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 19 GOMOS time series version GOMOS_AERGOM.v.2.14 GOMOS / stratosphere

20 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 20 New time series with adapted grid (v2.15) (5°lat x 60° lon x 1 km altitude x 5 days) Temporal resolution V2.19 better weak stars treatment -> better coverage 78 lidar profile pairs

21 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 21 AAI regional time series

22 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 22 Conclusions Updated validated full mission time series available 3x ATSR AOD 17 year GOMOS stratospheric extinction 10 year New datasets added / round robin conducted IASI mineral dust Complementary datasets One more evolution cycle in 2015/2016 Test AATSR ensembles Further round robin exercises started AAOD (AAI, glint, mixing) layer height (O2A-band, IASI spectra)

23 Aerosol_cci > Thomas Holzer-Popp > ESA Living Planet Symposium, Bergen, 1 July 2010 slide 23 Cross ECV interactions In this session GHG / O3 -> explore aerosol correction in their retrieval Fire -> emission source of aerosol -> quantify surce term (mass fluxes, emission height) Other ECVs Clouds -> aerosol-clioud interaction studies (ACPC) OC, LC -> consistent surface model / aerosol model

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