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T1 State of the Environment Report - 1980: Yemen Arab Republic
A1 United Nations Environment Programme, 
K1 environment
K1 environmental information
K1 environmental policy
K1 environmental impact assessment
K1 Yemen
YR 1980
FD 1980
LK https://wedocs.unep.org/handle/20.500.11822/29898
UL https://wedocs.unep.org/handle/20.500.11822/29898
NO The Yemen Arab Republic lies between latitudes 3-240. 17 0 26 north and longitude 42030, 46031 east, and located on the south west edge of the Arabian Penisula. The country is bordered by Saudi Arabia in the North, the People's Democratic Republic of Yemen in tithe South and South east and the Red Sea in the west. Bast of Yemen is the great Arabian desert the Yemen quarter of Rub a1-ha1i. The border here is not clearly defined. The mountains of Yemen have been formed as a result of block faulting along a north south axis parallel to the Red Sea and along east-west axis parallel to the Gulf of Aden. The resultant uplift has formed the central mountain range starting from around Taiz. This central ridge drainage to the Red Sea is carried by seven major sadis, Namely Wadi Mawr, Sordud, Siham, Rimah Zabyd, Risyan and Mawza. These and several other minor wadis run down steep mountain slopes forming deep gorges which eventually open to the coastal plain known as the Tihama. The east flowing drainage to the Empty Quarter passes over more gentle slopes. The main Wadis in the area are Wadi Al-Jouf, Abidab and Harib.
DS UN Environment Document Repository
RD Sep 23, 2026