Studiu de geografie sociala

         1 Cuprins
                                            Introducere………………………………………………………
                          Capitolul I  Radioactivitatea cosmogenica………………………
        1                   1.1.Radiatia corpusculara………………………………………
2                   1.2.Atasarea Be7 de particulele de aerosol………………………… .
          3       1.3.Radioactivitatea cosmogenica in rezervoarele geosferei
                         1.4.Metode de determinare a concentratiei de Be7………
                             Capitolul II  Difuzia Be7 in atmosfera………………………
                                     2.1.Ecuatia generala de difuzie……………………
                                2.2.Ecuatia de difuzie a Be7 ………………………………………
                               2.3.Parametrizarile utilizate……………………………………….
                                      2.3.1.Depunerea umeda……………………………………………
                                      2.3.2.Depunerea uscata…………………………………………
                              2.3.3.Transportul turbulent vertical…………………………
                                 2.3.4.Sedimentarea gravitationala…………………………
                                2.3.5.Schimbul de masa dintre stratosfera si
                                                            troposfera……   …
                         2.4.Rezolvarea numerica a ecuatiei de difuzie a Be7
                                                                      ………………
       Capitolul III Rezultatele modelului………………………………………..
                                  3.1.Parametrizarile utilizate…………………………………
                       3.2.Rezultate si discutii privind folosirea modelului
                                                                    MUDBe7……
                                   3.3.Validarea modelului………          ……………
                     3.3.1.Comparatia rezultatelor modelului cu valori
medii anuale
                                                                    masurate
           3.3.2.Comparatia rezultatelor modelului cu valori medii lunare
                                          masurate……
     Concluzii………………
Bibliografie