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Lectures (1-2): Introduction and definition of running water and sanitary engineering
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Lectures (1-2): Introduction and definition of running water and sanitary engineering
Lecture (1-2): Lecture objectives: By the end of this lecture students should be able to: To know the definition of water. To know the Environmental sanitation definition. To understand water cycle.
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Lectures (1-2): Introduction and definition of running water and sanitary engineering
Water in its liquid form, makes life possible on Earth. All living organisms are composed of cells that contain at least 60 percent. Water molecules are polar(positive and negative), Have ability to separate other molecules from each other, Act as a solvent .
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Water molecules are polar(positive and negative),
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Running Water: •Runoff (depends on infiltration capacity of the surface material. •Infiltration capacity depends on: duration and intensity of rainfall, permeability of the surface, saturation state of surface. •Runoff moves downhill as either sheet flow or channel flow.
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Environmental sanitation definition:
Activities aimed at improving or maintaining the standard of basic environmental conditions affecting the well-being of people. These conditions include: (1) clean and safe water supply, (2) clean and safe ambient air, (3) waste disposal, (4) protection of food, (5) adequate housing.
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Sanitary engineering:
is the application of scientific or mathematical principles with to the field of sanitation, especially in regards to its effect on public health. Sanitation (in hygienic): means preventing human contact from the hazards of wastes to promote health.
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Water cycle
Let’s watch a DVD… DVD Instructor Notes
Food Safety and Storage
SANITARY DESIGN PRINCIPLES FOR FACILITIES. ZONES OF CONTROL.
The Hydrologic (Water) Cycle. Surface Water Oceans Rivers and streams Lakes and ponds Springs – groundwater becomes surface water.
THE HYDROLOGIC CYCLE.
Safe Facilities and Equipment
Water quality and hygiene: The Challenges. Water is the most essential material for human survival, after air. Air is purified adequately by nature.
4.3 Water, Air, and Land Resources
Roman aqueducts and the water and sewage systems By: Shawleace Hill.
CE 326 Principles of Environmental Engineering
Water, water everywhere?
The Water Cycle May The Water Cycle There are 5 processes at work in the water cycle. Condensation Precipitation Infiltration Runoff Evapotranspiration.
DO NOT WRITE WHAT”S IN RED THE WATER CYCLE. The WATER CYCLE: Model of the circulation of water between the oceans, atmosphere and land.
Module 1.0 Introduction. Obj 1.3: What is environmental technology? u The application of technology and engineering principles to the –planning, –design,
Animation 78CB956F92D4BB85256C6B005A62C7/$file/hydrologi c2.swf?openelement
The main goal of environmental health is to prevent disease and to create healthy environments. The WHO "World Health Organization" gives the following.
Environmental Problems and Living Sustainably. Questions for Today: What are the major causes of Environmental Problem? What is poverty and affluence.
Pollution danger. Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans.
An Introduction to Hydrology L.O. To understand the drainage basin hydrological system Lesson 1 The Drainage Basin Hydrological Cycle.
Kim Wheeler Period 5 Marine Biology II Hydrology means - The scientific study of the properties, distribution, and effects of water on the earth's surface,
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