TY - JOUR TI - Validation of ENVISAT (SCIAMACHY) versus Dobson and TOMS atmospheric ozone measurements in Athens, Greece: Input for the upcoming IPY campaign AU - Varotsos, C.A. AU - Cracknell, A.P. JO - International Journal of Remote Sensing PY - 2007 VL - 28 TODO - 10 SP - 2073-2075 PB - Taylor and Francis Ltd. SN - 0143-1161, 1366-5901 TODO - 10.1080/01431160701347121 TODO - Earth atmosphere; Imaging techniques; Meteorological instruments; Spectrophotometers; Weather satellites, Atmospheric chartography; Atmospheric ozone; Scanning imaging absorption spectrometer; Total ozone mapping spectrometer (TOMS), Ozone layer, Envisat-1; measurement method; observational method; ozone; spectrometer; TOMS, Athens [Attica]; Attica; Eurasia; Europe; Greece; Southern Europe TODO - The intercomparison of the daily column ozone observations obtained by the SCanning Imaging Absorption SpectroMeter for Atmospheric CHartographY (SCIAMACHY), the Total Ozone Mapping Spectrometer (TOMS), and Dobson spectrophotometer over Athens, Greece, during 2002-2006 is attempted here. The results presented will be employed for the validation of the SCIAMACHY instrument, which is flown on the European Space Agency's Environmental satellite (ENVISAT) and provides its daily column ozone observations to the International Polar Year 2007-2008 activity, since 1 March 2007. ER -