By K. Lee Lerner, K. Lee Lerner, Brenda Wilmoth Lerner
U?·X?·L® Encyclopedia of Water technology explores water technology and matters from a global viewpoint. subject matters lined contain lakes and streams, oceans, aquatic animals, climate and weather, glaciers, wetlands, ecology, hydropower, advertisement fishing, acid rain, activity, toxins, economics, water conservation, overseas water legislations, international warming and lots more and plenty extra. quite a few sidebars spotlight major evidence and evaluations, offer biographies, clarify allusions and describe water-related actions. supplied in each one access are definitions for clinical phrases and assets for additional examine. A common word list, an index, greater than one hundred fifty black-and-white pictures, and a distinct set of colour picture inserts are integrated in every one quantity. (20050801)
Read or Download U-X-L encyclopedia of water science - Issues PDF
Best technique books
This e-book lays out a numerical framework for the specific description of heterogeneous chemistry, electrochemistry and porous media delivery in solid-oxide gasoline cells (SOFC). Assuming hydrogen because the in basic terms electrochemically energetic species, a converted Butler-Volmer equation is used to version the electrochemical cost move.
This ebook provides the refereed complaints of the eighth overseas convention on complex details structures Engineering, CAiSE '96, held in Herakleion, Crete, Greece, in may perhaps 1996. The 30 revised complete papers integrated within the booklet have been chosen from a complete of a few a hundred submissions. The publication is organised in sections on CASE environments, temporal and lively database applied sciences, event reviews, interoperability in details structures, formal equipment in procedure improvement, novel architectures, workflow administration and allotted info platforms, details modelling, object-oriented database layout, and semantic hyperlinks and abstraction.
Engineering Turbulence Modelling and Experiments 5
Turbulence is among the key matters in tackling engineering circulate difficulties. As robust pcs and actual numerical equipment are actually on hand for fixing the move equations, and because engineering purposes almost always contain turbulence results, the reliability of CFD research relies more and more at the functionality of the turbulence types.
- Analysys of torsional vibrations in rotating machinery
- Techniques of Description: Spoken and Written Discourse
- Eco- and Ground Bio-Engineering: The Use of Vegetation to Improve Slope Stability: Proceedings of the First International Conference on Eco-Engineering ... (Developments in Plant and Soil Sciences)
- Großraumflugzeug Transportflugzeug an-22
- Robot Manipulator Control: Theory and Practice, Second Edition (Control Engineering, 15)
Additional resources for U-X-L encyclopedia of water science - Issues
Sample text
This is because the amount of water that is taken from the ground is more than balanced out by the amount of water that goes back into the ground as rainfall, melting snow, floodwater or other sources. However, when a community relies on one or a series of wells for its water supply, the total amount of water that is withdrawn from the groundwater source can be large. If an area experiences a drought (prolonged shortage of rainfall), water consumption rises, or wells are placed too close together, then more groundwater can be taken than is replenished.
They can kill or harm organisms in the water, such as fish, and sicken animals and people who eat these organisms. In 2002 scientists found unhealthy levels of mercury in salmon taken from waters off the Pacific Northwest and urged the public to limit consumption of salmon to one serving per week. Pathogens. Pathogens are microorganisms that can cause disease. Examples of pathogens include certain types of bacteria, viruses, and protozoa. Water that is contaminated with human or animal feces (such as sewage, waste from farms, and fluid leaking from landfills) often contains harmful microorganisms.
The project was designed to prevent flooding along about 600 miles (957 kilometers) of the river from Cape Girardeau, Missouri to New Orleans, Louisiana. 402 U•X•L Encyclopedia of Water Science The project led to the construction of a series of dams and levees (walls built to hold back and channel flood water) to control the Mississippi River. Deep channels called floodways also provide a path for floodwaters. Dams can be opened to allow water out of the river and into these floodways. Most floodways are located near areas that flood easily (low-lying floodplains).