Mubodilai obii dokhili va beruni

Obi az sathi uqyonusho bukhorshuda.. dar shakli borishot na tanho ba sathi boloi uqyonus, balki bo yorii havoi atmosfera yak qismi bugi ob ba khushki kashonda meshavad. Dar hududi muayyani khushki boridani borishot az hisobi bugi obi az in hudud bukhorshudaro mubodilai obii dokhilii in sarhad menomand. Boridani borishoti bugi obi az digar joyho ovardaro, borishot dar yak sol mushohida meshavad. Dar Hinduston dar mintaqahoi nazdikukhii Himoloy dar balandii 1300 m az hama nohiyai serborishi ruyi zamin CHerapundji, ki ba hisobi miyona ziyoda az 11000 mm dar yak sol meborad, joygir ast. Dar solhoi serborish mikdori borishot dar CHerapundja to 23000 mm va kamborish to 7000 mm merasad.