Climate and Desertification: A Revised Analysis

albedo America analysis anomalies areas arid and semi-arid arid zone Asia Atmospheric Sciences Australia Bowen ratio Bryson CAgM Charney circulation models climatic change climatic variation climatology cloud seeding combat against desertification Decreased deflation desert margin desertification desertification process desiccation drought dry belt dry climates dry world dryland dryness ratio dust dynamical earth ecosystems effect erosion evaporation evapotranspiration experiments feedback Figure Flohn fluctuations GARP GENEVA global heat hemisphere hence high pressure belt Holocene increase interannual lakes land large-scale latitude major mean annual meteorological and hydrological microclimate moist monsoon natural North Africa northern numbers occur oceans parameters periods persistence predicted Quaternary Research radiative rain rainfall regions Sahara Sahel Sahelian drought satellite savanna season Secretary-General simulation solar constant solar radiation South southern sub-tropical high pressure subsidence surface albedo surface temperature teleconnections tropical UNCOD variability vegetation cover WCP WCP weather West Africa WORLD CLIMATE PROGRAMME