PPT-Hydrologic Losses - Evaporation

Learning Objectives Be able to calculate Evaporation from a lake or reservoir using the following methods Energy Balance p304 Aerodynamic Method p307 Combined Method p309 PriestleyTaylor p309. What is evaporation?. How is evaporation measured?. How is evaporation estimated?. Reading: Applied Hydrology Sections 3.5 and 3.6. With assistance from Dan Siegel and Marcy Litvak. Evaporation. What is evaporation?. Design. Reading: Applied Hydrology Sections 13-1, . 13-2. 2. Hydrologic design . Water control. Peak flows, erosion, pollution, etc. . Water management. Domestic and industrial use, irrigation, instream flows, etc. Evaporation is the process in which a liquid changes to the gaseous state at the free surface, below the boiling point through the transfer of heat energy . The rate of evaporation is depended on the of polonium . from. lead-. bismuth. . eutectic. . nuclear. . coolant. Borja Gonzalez . Prieto. 1,2. , Jun . Lim. 1. , Kris . Rosseel. 1. , Johan . Martens. 2. . and Alexander . Aerts. 1. 1. Conditioning. engineeringhydrology,runoffthemainareainterestSo,evaporationtranspirationphasesaretreated“losses” precipitationnotavailableforsurfacerunoffconsidered“loss”,thenthefollowingprocesse David Tarboton. (Richard Peralta today). Overview. Handouts. Syllabus. Schedule. Student Information Sheet. Homework 1. Web: . http://www.engineering.usu.edu/dtarb/cee3430. . Outline for today. Review Syllabus and Schedule. Liquids have molecules moving around in them. . Temperature is the average kinetic energy (which depends on the speed) of these molecules.. Some are moving. faster than others!. If they are moving fast enough, at just the right angle,. How is evaporation measured?. How is evaporation estimated?. Reading: Applied Hydrology Sections 3.5 and 3.6. With assistance from Dan Siegel and Marcy Litvak. Evaporation. What is evaporation?. How is evaporation measured?. A process whereby liquid water is . converted to water vapour. and . removed from the vapour surface.. Evaporation consists of 2 components i.e. The energy component and the aerodynamic component. The energy component is responsible conversion of liquid water to water vapour. and . Water . Budget, Part 1. . . Tamlin Pavelsky, Associate Professor of Global Hydrology. Department of Geological Sciences. University of North Carolina. San Diego, CA. Fairbanks, AK. Mean Annual . Hydrology and Water Resources . RSGIS. Institute of Space Technology. October . 11 & 23, . 2013. Infiltration, Percolation, Seepage. Infiltration. Water moving into soil by crossing the soil surface. CEVE 412/512. Dr. Phil Bedient. Jan 2016. Hydrology and Floodplain Analysis. Chapter 2. Sections . 2.4 . – . 2.9 . Applications of Unit Hydrographs. Hydrology and Floodplain Analysis, Chapter 2.4. LECTURE 1. REFERENCE BOOKS. Awan . N. . M, . Surface Water Hydrology (Vol-1), National Book Foundation, Islamabad Pakistan.. Chow . Ven. . Te. , David R. . Maidment. , Larry W. . Mays, . Applied Hydrology, McGraw Hill Book International Edition.. “Net rate of vapor transport to the atmosphere”. Reverse process of precipitation. Evaporation considered to be a problem for reservoirs storage on one hand may prove very valuable on the other hand .