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Michigan State University (1979)

The climatic regions of the Socialist People’s Libyan Arab Jamahiriya according to Thornthwaite’s water balace method

El-Aghel, Asseddigh Mohamed

Titre : The climatic regions of the Socialist People’s Libyan Arab Jamahiriya according to Thornthwaite’s water balace method

Auteur : El-Aghel, Asseddigh Mohamed

Etablissement de soutenance : Michigan State University

Grade : MASTER OF SCIENCE in Geography 1979

Résumé
The interaction between climatic parameters among other factors, determines the soil moisture availability, which is a suitable indicator for the topoclimate of a region. The present study was undertaken to define the climatic regions of Libya according to their moisture availability. Twenty-three station records of temperature and precipita tion were examined for a lS-years period, in order to calcu late the water balance of Libya according to Thornthwaite’s method. The calculations indicate that the country is under the influence of various degrees of aridity. Only one station is classified as dry subhumid. In the average year, water deficiency prevails. Three stations, however, indicate a seasonal water surplus. Maps of thermal efficiency, the relative degree of aridity, and for climatic regions of Libya were drafted Information about the seasonal and annual availability of water and the degree of water need is given for individ ual regions. The results should be useful in planning for future irrigation or grazing projects in Libya.

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