Supported by the ESA-MOST"Drag-star"Program(Grant No 2005AA 132031XZ07);the National Basic Research Program of China"973"Project(Grant Nos 2005CB422200x and 2006CB403702);the Special Project for Climatic Change From Chinese Meteorological Administration(Grant No CCSF2007-11)
The characteristics of spatial and temporal distribution of tropospheric NO_(2)column density concen-tration over China are presented,on the basis of measurements from the satellite instruments GOME and SCIAMACHY.From...