Syria Table of Contents

Along the Mediterranean, a narrow coastal plain stretches south from the Turkish border to Lebanon. The flatness of this littoral, covered with sand dunes, is broken only by lateral promontories running down from the mountains to the sea. Syria claims a territorial limit of 35 nautical miles off its Mediterranean coastline.

The Jabal an Nusayriyah mountains, a range paralleling the coastal plain, average just over 1,212 meters; the highest peak, Nabi Yunis, is about 1,575 meters. The western slopes catch moisture-laden western sea winds and are thus more fertile and more heavily populated than the eastern slopes, which receive only hot, dry winds blowing across the desert. Before reaching the Lebanese border and the Anti-Lebanon Mountains, the Jabal an Nusayriyah range terminates, leaving a corridor--the Homs Gap-- through which run the highway and railroad from Homs to the Lebanese port of Tripoli. For centuries the Homs Gap has been a favorite trade and invasion route from the coast to the country's interior and to other parts of Asia. Eastward, the line of the Jabal an Nusayriyah is separated from the Jabal az Zawiyah range and the plateau region by the Al Ghab depression, a fertile, irrigated trench crossed by the meandering Orontes River.

Inland and farther south, the Anti-Lebanon Mountains rise to peaks of over 2,700 meters on the Syrian-Lebanese frontier and spread in spurs eastward toward the plateau region. The eastern slopes have little rainfall and vegetation and merge eventually with the desert.

In the southwest, the lofty Mount Hermon (Jabal ash Shaykh), also on the border between Syria and Lebanon, descends to the Hawran Plateau-- frequently referred to as the Hawran--that receives rain-bearing winds from the Mediterranean. All but the lowest slopes of Mount Hermon are uninhabited, however. Volcanic cones, some of which reach over 900 meters, intersperse the open, rolling, once-fertile Hawran Plateau south of Damascus and east of the Anti-Lebanon Mountains. Southwest of the Hawran lies the high volcanic region of the Jabal Druze range (renamed Jabal al Arab), home of the country's Druze population.

The entire eastern plateau region is intersected by a low chain of mountains, the Jabal ar Ruwaq, the Jabal Abu Rujmayn, and the Jabal Bishri, extending northeastward from the Jabal Al Arab to the Euphrates River. South of these mountains lies a barren desert region known as the Hamad. North of the Jabal ar Ruwaq and east of the city of Homs is another barren area known as the Homs Desert, which has a hard-packed dirt surface.

Northeast of the Euphrates River, which originates in the mountains of Turkey and flows diagonally across Syria into Iraq, is the fertile Jazirah region that is watered by the tributaries of the Euphrates. The area underwent irrigation improvements during the 1960s and 1970s, and it provides substantial cereal and cotton crops. Oil and natural gas discoveries in the extreme northeastern portion of the Jazirah have significantly enhanced the region's economic potential.

The country's waterways are of vital importance to its agricultural development. The longest and most important river is the Euphrates, which represents more than 80 percent of Syria's water resources. Its main left-bank tributaries, the Balikh and the Khabur, are both major rivers and also rise in Turkey. The right-bank tributaries of the Euphrates, however, are small seasonal streams called wadis. In 1973, Syria completed construction of the Tabaqah Dam on the Euphrates River upstream from the town of Ar Raqqah. The dam created a reservoir named Lake Assad (Buhayrat al Assad), a body of water about 80 kilometers long and averaging eight kilometers in width.

Throughout the arid plateau region east of Damascus, oases, streams, and a few interior rivers that empty into swamps and small lakes provide water for local irrigation. Most important of these is the Barada, a river that rises in the Anti-Lebanon Mountains and disappears into the desert. The Barada creates the Al Ghutah Oasis, site of Damascus. This verdant area, some 370 kilometers square, has enabled Damascus to prosper since ancient times. In the mid-1980s, the size of Al Ghutah was gradually being eroded as suburban housing and light industry from Damascus encroached on the oasis.

Areas in the Jazirah have been brought under cultivation with the waters of the Khabur River (Nahr al Khabur). The Sinn, a minor river in Al Ladhiqiyah Province, is used to irrigate the area west of the Jabal an Nusayriyah, about 32 kilometers southwest of the port of Latakia. In the south the springs that feed the upper Yarmuk River are diverted for irrigation of the Hawran. Underground water reservoirs that are mainly natural springs are tapped for both irrigation and drinking. The richest in underground water resources is the Al Ghab region, which contains about 19 major springs and underground rivers that have a combined yield of thousands of liters per minute.

The most striking feature of the climate is the contrast of sea and desert. Between the humid Mediterranean coast and the arid desert regions lies a semiarid steppe zone extending across three-fourths of the country and bordered on the west by the Anti-Lebanon Mountains and the Jabal an Nusayriyah, on the north by the Turkish mountain region, and on the southeast by the Jabal al Arab, Jabal ar Ruwaq, Jabal Abu Rujmayn, and the Jabal Bishri ranges.

Rainfall in this area is fairly abundant, annual precipitation ranging between 75 and 100 centimeters. Most of the rain, carried by winds from the Mediterranean, falls between November and May. The annual mean temperatures range from 7.2 C in January to 26.6 C in August. Because the high ridges of the Jabal an Nusayriyah catch most of the rains from the Mediterranean, the Al Ghab depression, located east of these mountains, is in a relatively arid zone with warm, dry winds and scanty rainfall. Frost is unknown in any season, although the peaks of the Jabal an Nusayriyah are sometimes snow covered.

Farther south, rain-bearing clouds from the Mediterranean pass through the gap between the Jabal an Nusayriyah and the Anti-Lebanon Mountains, reaching the area of Homs and, sometimes, the steppe region east of that city. Still farther to the south, however, the Anti-Lebanon Mountains bar the rains from the Mediterranean, and the area, including the capital city of Damascus, becomes part of the semiarid climatic zone of the steppe, with precipitation averaging less than 20 centimeters a year and with temperatures from 4.4 C in January to 37.7 C in July and August. The vicinity of the capital is, nevertheless, verdant and cultivable because of irrigation from the Barada River by aqueducts built during Roman times.

In the southeast, the humidity decreases, and annual precipitation falls below 10 centimeters. The scanty amounts of rain, moreover, are highly variable from year to year, causing periodic droughts. In the barren stony desert south of the Jabal ar Ruwaq, Jabal Abu Rujmayn, and Jabal Bishri ranges, temperatures in July often exceed 43.3 C. Sandstorms, common during February and May, damage vegetation and prevent grazing. North of the desert ranges and east of the Al Ghab depression lie the vast steppes of the plateau, where cloudless skies and high daytime temperatures prevail during the summer, but frosts, at times severe, are common from November to March. Precipitation averages 25 centimeters a year but falls below 20 centimeters in a large belt along the southern desert area. In this belt, only the Euphrates and Khabur rivers provide sufficient water for settlement and cultivation.

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Source: U.S. Library of Congress