- IUGG holds conference in Geophysics and weathering.The representatives of the union in institute of geophysics includes:
Representative International unions
Dr Vahid Ebrahimzade Ardestani IUGG,IAG
Dr Farhang Ahmadi Givi IUGG,IAMAS
Dr Behruz Oskuyi IUGG,IAGA
Dr Abasali Aliakbari Bidokhti IUGG,IAPSO
Dr Majid Mazraee Farahani IUGG,IACS
Dr Mohammadkazem Hafizi IUGG,IAHS
Dr Mohammadreza Gheytanchi IUGG,IASPEI
- IAU is international Astronomy Union and holds conference every year.
- COSPAR is an international Union in space science and holds conference every two year.