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Update on TROPOMI instrument and status Pepijn Veefkind, Diego Loyola, Andreas Richter, Ilse Aben, Michel van Roozendael, Isabelle De Smedt, Richard Siddans,

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Presentation on theme: "Update on TROPOMI instrument and status Pepijn Veefkind, Diego Loyola, Andreas Richter, Ilse Aben, Michel van Roozendael, Isabelle De Smedt, Richard Siddans,"— Presentation transcript:

1 Update on TROPOMI instrument and status Pepijn Veefkind, Diego Loyola, Andreas Richter, Ilse Aben, Michel van Roozendael, Isabelle De Smedt, Richard Siddans, Thomas Wagner and Herbert Nett

2 Long Term Monitoring GOME-2C

3 2015-2022 daily global coverage 2015-2022 2019 - ~2030 hourly over Europe 2019 - ~2030 hourly over Europe gems | tempo 2017 -... hourly over SE - ASIA 2017 -... hourly over SE - ASIA 2017 -... hourly over N- America 2017 -... hourly over N- America KARI | NASA

4 6x higher spatial resolution 7x7 km 2 vs. 13x24 km 2 1-5x higher signal-to-noise Variable binning scheme better cloud information from the oxygen A+B bands CO and CH 4 observations from the SWIR band Data rate ~20x OMI From OMI to TROPOMI Gloudemans et al., SCIAMACHY CO over land and oceans: 2003–2007 interannual variability, ACP, 2009

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6 OMI Zoom ~13x12 km 2 Sampling 12 September 2006 OMI special zoom mode 13 x 13 km²

7 TROPOMI Data Products ProductAccuracy :: Precision Ozone total column profile (incl. troposphere) trop. column 3% :: 1% 10% :: 5% 25% :: 10% NO 2 total column trop. column 1·10 15 mol/cm 2 10% :: 1·10 15 mol/cm 2 CO total column15% :: 10% CH 4 total column2% :: 1% SO 2 volcanic plume top. column 2 DU :: 1 DU 1 DU :: 0.5 DU Aerosol AAI aerosol layer height* aerosol optical thickness single scattering albedo n/a :: 0.25 1 km :: 0.5 km 0.1 (20%) :: 0.05 (10%)0.05 :: 0.01 Cloud radiance fraction pressure mask Regridded NPP- VIIRS 0.05 :: 0.02 50 hPa :: 20 hPa ProductAccuracy :: Precision CH 2 O total columnTBD CHO-CHO total columnTBD BrO total columnTBD HDO total columnTBD H 2 O total column20% :: 10% OClO total columnTBD UV surface flux 10% :: 5% Surface Reflectance monthly climatology3% :: 1% The operational data products will be developed by a collaboration of European institutes. KNMI/DLR-IMF/IUP/BIRA-IASB/SRON/MPIC/RAL/FMI

8 GOME-SCIAMACHY-OMIGOME-SCIAMACHY-OMI PROTOTYPEPROTOTYPE TROPOMI L2 PRODUCTS OPERATIONAL SW VERIFICATIONVERIFICATION L2 Working Group KNMI | DLR | IUP-Bremen | BIRA | SRON | MPIC | RAL

9 Performance Overview

10 SNR - CDR Status

11 TROPOMI Status Modules are being assembled Start of calibration: Summer 2014 Instrument delivery: Fall 2014 Planned launch date: September 2015 ESA AO for validation will be opened early 2014

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13 SWIR-OBM UVN-OBM Sun Baffle Diffuser mechanism Folding Mirror mechanism Telescope Support Structure Connector Bracket UVIS UV Telescope Nadir Baffle Mass ~200 kg Average power ~150W Level 1B size is approx. 20 GByte /orbit: 25x data volume of OMI

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