Persian Gulf as "The Northwestern limit of Gulf of Oman". This limit is defined as "A line joining Ràs Limah (25°57'N) on the coast of Arabia and Ràs al Kuh (25°48'N) on the coast of Iran (Persia)". The gulf is connected to Indian Ocean through Strait of Hormuz. Writing the water balance budget for the Persian Gulf, the inputs are river discharges from Iran and Iraq (estimated to be 2000 cubic meters per second), as well as precipitation over the sea which is around 180mm/year in Qeshm Island. The evaporation of the sea is high, so that after considering river discharge and
Persian Gulf naming dispute "Persian Gulf" as the "Conventional" name, along with 14 "Variant" names in different languages, such as "Gulf of Iran", "Gulf of Ajam", "Gulf of Basra", "Arabian Gulf", "Persian-Arabian Gulf", "Gulf of Fars", and "Farsi Gulf". In "Persian Gulf States Country Studies" published in 1993 by the Federal Research Division of the U.S. Library of Congress, the authors follow the practise of the BGN by using "Persian Gulf" while acknowledging that the governments of Kuwait, Qatar, United Arab Emirates, Oman and Bahrain "officially reject the use of the term Persian Gulf—as do other Arab governments—and refer to that body of water