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'By-the-wind sailor' jellies wash ashore in massive numbers after warmer winters（图）
By-the-wind sailor jellies wash ashore massive numbers warmer winters
2021/4/9
As their name suggests, by-the-wind sailor jellyfish know how to catch a breeze. Using a stiff, translucent sail propped an inch above the surface of the ocean, these teacup-sized organisms skim along...
Settling Particles in Aquatic Environments:Low Reynolds Numbers
Settling Particles Aquatic Environments Low Reynolds Numbers
2015/7/23
The purpose of this activity is to familiarize students with how a particle's size, shape and orientation affects its settling at low Reynolds numbers. This activity can also be used to teach statisti...
Upper Ocean Temperature Structure, Inertial Currents, and Richardson Numbers Observed during Strong Meteorological Forcing
Upper Ocean Temperature Inertial Currents Meteorological Forcing
2009/1/16
Upper ocean currents and temperature in the northeastern Pacific were measured during a 14-day period in November 1980 as part of STREX. Velocities in the upper ocean are dominated by near-inertial fr...
A Modified Inertial Dissipation Method for Estimating Seabed Stresses at Low Reynolds Numbers, with Application to Wave/Current Boundary Layer Measurements
Inertial Dissipation Method Low Reynolds Numbers Seabed Stresses Wave/Current Boundary Layer Measurements
2009/1/5
The inertial dissipation method for estimating seabed friction velocities from near-bed turbulence spectra requires few measurements; it is relatively insensitive to errors in sensor orientation and m...
Spectral Estimates of Bed Shear Stress at Subcritical Reynolds Numbers in a Tidal Boundary Layer
Bed Shear Stress Subcritical Reynolds Numbers Tidal Boundary Layer
2008/12/22
Velocity measurements from five levels in the constant-stress region of a neutrally stratified turbulent boundary layer are used to show that below a critical height the spectral energy density in the...