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Environmental sciences --- Hydrologic models --- Hydrological modeling --- Hydrological models --- Hydrology --- Hydrology models --- Models and modelmaking --- Models

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Environmental sciences --- Hydrologic models --- Hydrological modeling --- Hydrological models --- Hydrology --- Hydrology models --- Models and modelmaking --- Models

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Hydrologic models. --- Hydrological modeling --- Hydrological models --- Hydrology --- Hydrology models --- Models and modelmaking --- Models

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Arid and semi-arid regions are defined as areas where water is at its most scarce. The hydrological regime in these areas is extreme and highly variable, and they face great pressures to deliver and manage freshwater resources. However, there is no guidance on the decision support tools that are needed to underpin flood and water resource management in arid areas. UNESCO initiated the Global network for Water and Development Information for arid lands (GWADI), and arranged a workshop of the world's leading experts to discuss these issues. This book presents chapters from contributors to the workshop, and includes case studies from the world's major arid regions to demonstrate model applications, and web links to tutorials and state of the art modelling software. This volume is a valuable reference for researchers and engineers working on the water resources of arid and semi-arid regions.

Hydrologic models --- Water-supply --- Water resources development --- Arid regions --- Management --- Hydrological modeling --- Hydrological models --- Hydrology --- Hydrology models --- Models and modelmaking --- Models

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This edition of Evapotranspiration - Remote Sensing and Modeling contains 23 chapters related to the modeling and simulation of evapotranspiration (ET) and remote sensing-based energy balance determination of ET. These areas are at the forefront of technologies that quantify the highly spatial ET from the Earth's surface. The topics describe mechanics of ET simulation from partially vegetated surfaces and stomatal conductance behavior of natural and agricultural ecosystems. Estimation methods that use weather based methods, soil water balance, the Complementary Relationship, the Hargreaves and other temperature-radiation based methods, and Fuzzy-Probabilistic calculations are described. A critical review describes methods used in hydrological models. Applications describe ET patterns in alpine catchments, under water shortage, for irrigated systems, under climate change, and for grasslands and pastures. Remote sensing based approaches include Landsat and MODIS satellite-based energy balance, and the common process models SEBAL, METRIC and S-SEBS. Recommended guidelines for applying operational satellite-based energy balance models and for overcoming common challenges are made.

Evapotranspiration --- Hydrologic models. --- Remote sensing. --- Consumptive use --- Water-supply --- Evaporation (Meteorology) --- Plants --- Hydrological modeling --- Hydrological models --- Hydrology --- Hydrology models --- Models and modelmaking --- Transpiration --- Water requirements --- Models --- Hydrology & the hydrosphere