Hintergrund Jahreszeiten     This model is not to scale. The eccentricity is only 1/120 and would not be visible in the sketch. Klimazonen     Different climatic zones within the Himalayan region. ITC (Innertropische Konvergenz)     Intertropical convergence. Passatwinde     Trade wind circulation. Wettersatelliten     The first launch of a second generation of Meteosat satellites was in 2002. The opportunity to analyse the atmosphere and its trace gasses was enhanced with these satellites.