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Published byAndrew Maxwell Modified over 9 years ago
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Water flows in the natural environment Stephen M. Henderson
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Waves Sediment Transport Currents
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Motivation: $, safety, habitat, pollution etc
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Field experiments
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Field Instrumentation: velocity/temperature
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East North Vertical Temperature Temperature/Salinity/Depth: 7 instruments, 1Hz sampling, 10 -3 C accuracy 25 instruments, 4 min sampling, 10 -1 C accuracy Velocity: 9 instruments, 8Hz sampling, 10 -3 m/s accuracy, 2m range, 1.5cm bins, 5cm/s max velocity or 1 min sampling, 5cm/s accuracy, 6m range, 0.3m bins, any velocity or 10 min sampling, 1cm/s accuracy, 20m range, 0.7m bins, any velocity or 2 instruments 64Hz sampling, 10 -3 m/s accuracy, single measurement in cm 3 bin + eddy correlation heat flux
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Field Instrumentation: other 2 weather stations: Air temperature, relative humidity, velocity, net radiation GPSs
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Pen & paper theory Water is not created of destroyed, and F=Ma… Leads to pdes for water motion, sometimes can be solved with standard applied math techniques.
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Computer simulations
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