Virtual Water and Food Security in Tunisian Semi-Arid Region

Forecasting Crop Water Requirement By Et-Hs model For Arid and Semi Arid Region of Iran

Estimating actual crop water requirement and irrigation schedule are essential for designing of the irrigation systems, storage construction and water conveyance structures. Many models have developed for estimating crop water requirement. Although most of these methods need different climatic parameters, providing and forecasting all of these parameters always are not available. Most of the ti...

Rangeland Ecohydrology, New Paradigm in Water Management of Arid and Semi-arid Lands

At the beginning of twenty-first century, the water crisis in the priority policy andmanagement is inside and outside of the country as principle thoroughly human, social,economic and political rulers of the country is considered abundant. The World Bank hasannounced that during 1960 and 2025, water resources in Middle East, from 3430 m3 for theeach person in year reach to 667 m3 because of pop...

Soil water regime and water concervation efficiency in a non-irrigated semi-arid environment

Assessment of the important Factors on Gully Erosion in Arid and Semi-arid Region in Ilam Province

Infiltration is the process of water penetration from the ground surface into the soil and is an important process in the hydrological cycle by which surface runoff and groundwater recharge can be linked. Over the years, the importance of the infiltration process resulted in the development of several simplified analytical models for predicting infiltration. These infiltration models range from...

preface: water and food security

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