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 transcript:

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

Long Term Monitoring GOME-2C

daily global coverage ~2030 hourly over Europe ~2030 hourly over Europe gems | tempo hourly over SE - ASIA hourly over SE - ASIA hourly over N- America hourly over N- America KARI | NASA

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

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

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 :: km :: 0.5 km 0.1 (20%) :: 0.05 (10%)0.05 :: 0.01 Cloud radiance fraction pressure mask Regridded NPP- VIIRS 0.05 :: 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

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

Performance Overview

SNR - CDR Status

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

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