W. Palz, E. Raschke, T.C. Steemers, R. Stuhlman

• LIST OF COLOURED IMAGES, PREFACE, NOMENCLATURE, LIST OF ACRONYMS, PART I. METHODS OF DATA ANALYSIS AND VALIDATIONS, MAJOR RESULTS, 1. INTRODUCTION, 2. DOCUMENTATION OF METHODS, 3. SOME KEY RESULTS AND SCIENTIFIC DISCUSSIONS, 4. CONCLUSIONS, PART II. DETAILED MONTHLY MAPS FOR AFRICA AND EUROPE, 5. DAILY SUMS OF GLOBAL AND DIFFUSE RADIATION, 6. MAPS OF THE RATIO OF DIFFUSE TO GLOBAL RADIATION AND MAPS OF THE ATMOSPHERIC TRANSMITTANCE, 7. YEARLY AND SEASONAL MEANS, 8. MONTHLY AVERAGES OF HOURLY VALUES OF GLOBAL RADIATION, 9. COMPARISONS BETWEEN COLOGNE MODEL RESULTS AND GROUND-BASED MEASUREMENTS, 10. MONTHLY AVERAGES OF GLOBAL RADIATION FOR WESTERN AFRICA AND THE SAHEL ZONE, 11. ISOLINE PLOTS OF GLOBAL FIADIATION FOR AFRICA, PART III. COLOURED IMAGES