1. SCIAMACHY data archive Bremen Level 2 - reading tools Institute of Environmental Physics and Institute of Remote Sensing University of Bremen K. Bramstedt

2. http://www.iup.physik.uni-bremen.de

8. Further sources of SCIAMACHY products: DOAS group Bremen (UV/vis DOAS products) – http://www.iup.physik.uni-bremen.de:8083/doas/sciamachy.htm TEMIS Tropospheric Emission Monitoring Internet Service –UV/vis columns, aerosol, clouds, UV index/dose –GOME, SCIAMACHY and (A)ATSR – http://www.temis.nl/ SCIAMACHY @ SRON – http://www.sron.nl Sciamachy @ BISABelgian Institute for Space Aeronomy Sciamachy Page – http://www.oma.be/BIRA-IASB/Scientific/Topics/Lower /Satellite/SCIAMACHY.html SCIAMACHY @ DLR (World Data Center) – http://wdc.dlr.de/sensors/sciamachy/index.html List to all scientific product (SCIAVALIG) – http://www.sciamachy-validation.org/sv/products/science_list.html

9. Further sources of SCIAMACHY products: DOAS group Bremen (UV/vis DOAS products) – http://www.iup.physik.uni-bremen.de:8083/doas/sciamachy.htm IUP Heidelberg (UV/vis and NIR columns) – http://satellite.iup.uni-heidelberg.de/ TEMIS Tropospheric Emission Monitoring Internet Service –UV/vis columns, aerosol, clouds, UV index/dose –GOME, SCIAMACHY and (A)ATSR – http://www.temis.nl/ SCIAMACHY @ SRON – http://www.sron.nl Sciamachy @ BISABelgian Institute for Space Aeronomy Sciamachy Page – http://www.oma.be/BIRA-IASB/Scientific/Topics/Lower /Satellite/SCIAMACHY.html SCIAMACHY @ DLR (World Data Center) – http://wdc.dlr.de/sensors/sciamachy/index.html List to all scientific product (SCIAVALIG) – http://www.sciamachy-validation.org/sv/products/science_list.html

11. SCIAMACHY Level-2 reading tools Basic Envisat Atmospheric Toolbox project (BEAT) (Science and Technology) – http://www.science-and-technology.nl/beat/index.html NL-SCIA-DC software to read, select and calibrate GOME/Sciamachy data (Richard van Hees, SRON) – http://www.sron.nl/~hees/SciaDC/ EnviView, first look at all EnviSat products (ESA) –http://envisat.esa.int/services/enviview/ scialL2_ascii: Commandline tool with tabular ASCII output (K. Bramstedt, ife Bremen) – http://www.iup.physik.uni-bremen.de/gcvos/tools

12. sciaL2_ascii, Version 0.94 ---------------------------------------------------- sciaL2_ascii is a tool for reading SCIAMACHY Level-2 products (PDS Format) to an easy to use ASCII output. Additonally, GOME Level-2 products are supported. Readable products are: - Near-Real-Time (NRT) : SCI_NL__2P....N1 - Offline products (OL) : SCI_OL__2P....N1 (SCIA-OL/2.1 or higher) - Products for Meteo-Users : SCI_RV__2P....N1 - GOME products : ymmddhhm.lv2 The programm includes a geopgraphical search modus.

13. ------------------------------------------------------------------------------ Simple Usage: -------------------------------------------------------------------------- $ sciaL2_ascii -p 0_O3 -d adACB SCI_NL__2PNPDK20021029_172121_000009832010_00413_03473_2738.N1 Read ozon values from NRT product Oct, 29th 2002. Output (defined with -d) is a : orbit d : center coordinates A : O3 [mol/cm2] B : O3 error [%] C : O3 [DU] Output is: ************************************************************************ SCI_NL__2PNPDK20021029_172121_000009832010_00413_03473_2738.N1 Prod: 0_O3 Datastring: 'adACB' - Orbit Center:lat/lon VCD: 0_O3 VCD 0_O3 error VCD # deg deg molecules/cm2 DU % 03473 52.348 -92.564 7.5782657E+18 281.864926 0.973129 03473 52.762 -94.490 7.9548314E+18 295.870856 0.968822 03473 53.097 -96.220 7.9130686E+18 294.317538 0.971337 03473 53.383 -97.852 7.9668463E+18 296.317737 0.965511....

14. ------------------------------------------------------------------------------ Search example: ------------------------------------------------------------------------------ sciaL2_ascii -f 54.1,-100.0 -r 100 -p 0_O3 -a -d adACBz SCI_NL__2PNPDK20021029_172121_000009832010_00413_03473_2738.N1 Search modus: Print out all (-a) ozone groundpixels within a radius of 100km (-r 100) around the point 54.1N,100W (-f 54.1,-100.0). Output is: ************************************************************************* SCI_NL__2PNPDK20021029_172121_000009832010_00413_03473_2738.N1 Prod: 0_O3 Datastring: 'adACBz' Search: 54.100, -100.000 Radius: 100.00 Match All Orbit Center:lat/lon VCD: 0_O3 VCD 0_O3 error VCD Distance # deg deg molecules/cm2 DU % km 03473 53.641 -99.469 7.9696099E+18 296.420527 0.967224 61.8146 03473 53.883 -101.141 8.0513212E+18 299.459685 0.965831 78.5050 03473 53.352 -99.609 7.9417373E+18 295.383837 0.968180 87.1915 **************************************************************************