Accession Number:

AD0735094

Title:

Surface Roughness, Sea-Surface Slope and Wind-Wave Spectrum - Supplement.

Descriptive Note:

Technical rept.,

Corporate Author:

HYDRONAUTICS INC LAUREL MD

Personal Author(s):

• Wu,Jin

Report Date:

1971-11-01

Pagination or Media Count:

12.0

Abstract:

The measured mean square slope of the sea surface was shown to vary logarithmically with the wind velocity, and the rates of variation change with different boundary-layer regimes of the wind. Based on mean square slope data, the spectral constant of the directional wind-wave spectrum in the equilibrium range was considered to vary with wind regimes. The different rates of growth of slope with wind velocity is now interpreted as the result of the cutoff wave number extending into the capillary range at high wind velocities. Author

Descriptors:

• (*OCEAN WAVES
• SURFACE ROUGHNESS)
• WIND
• TURBULENT BOUNDARY LAYER
• VELOCITY
• BRIGHTNESS
• POWER SPECTRA
• CORRELATION TECHNIQUES

Subject Categories:

• Meteorology
• Physical and Dynamic Oceanography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE