Define "discharge." How is discharge measured?
What will be an ideal response?
Discharge is the measurement of the volume of water per interval of time (m3/s) that passes through that part of the channel. Stream gages measure water level, and require knowledge of the channel cross-section. Discharge varies with time, increasing due to higher runoff. A flood occurs when the discharge is unusually high, and the banks of the stream cannot contain the discharge.
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A greenway ________
A) gives humans access to exercise B) contains parks that are large enough to harbor populations of exotic flora and fauna C) is the link that provides pathways for wildlife to travel between parks and preserves D) prohibits hiking and biking or recreational opportunities E) is a waterway within a city park
The immense amounts of energy taken in by hurricanes are
a. converted to kinematic energy. b. used in chemical substractions. c. lost through convectional cooling at the top of the storm. d. converted to kinetic energy and lost through radiational cooling e. lost through hail.
A _________________ is an imagined community of a people who believe themselves to share common cultural features.
Fill in the blank(s) with the appropriate word(s).
Which of the following best matches the description?Resources that are not replaced by natural processes.
A. renewable energy sources B. passive solar system C. active solar system D. black lung disease E. photovoltaic cell F. resources G. reserves H. nonrenewable energy sources I. liquefied natural gas J. acid mine drainage K. secondary recovery L. geothermal energy M. overburden N. underground mining O. surface mining