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Analytical Solution for Biot Flow–Induced Damping in Saturated Soil during Shear Wave Excitations
Publisher: American Society of Civil Engineers
Abstract: This paper presents a theoretical study of Biot flow–induced damping in saturated soil during shear wave excitations. The solid skeleton is treated as equivalent linear. Biot flow–induced damping is evaluated for the cases ...
A Method to Determine Atmospheric Aerosol Optical Depth Using Total Direct Solar Radiation
Publisher: American Meteorological Society
Abstract: Based on sensitivity of total direct solar radiation (DSR) detected by a pyrheliometer for aerosol physical?optical properties, a method is proposed to retrieve the 0.75-?m aerosol optical depth from the radiation, and an ...
Modified Delta-Eddington Approximation for Solar Reflection, Transmission, and Absorption Calculations
Publisher: American Meteorological Society
Abstract: The fractional factor f of δ-function scaling in the δ-Eddington approximation modifies the fractional scattering into the forward peak. As shown in this paper, reasonably choosing the factor f can yield a great improvement ...
Broadband Extinction Method to Determine Aerosol Optical Depth from Accumulated Direct Solar Radiation
Publisher: American Meteorological Society
Abstract: There are two important problems in the aerosol optical depth (AOD) retrievals from hourly/daily/monthly accumulated pyrheliometer data, that is, how to select a suitable cosine of the solar zenith angle (?0) and how to ...
Why Is the Spreading of the North Pacific Intermediate Water Confined on Density Surfaces around σθ = 26.8?
Publisher: American Meteorological Society
Abstract: The North Pacific Intermediate Water, characterized by a salinity minimum confined to density surfaces of σ? = 26.7?26.9, exists throughout the subtropical gyre and has been observed to originate in the subarctic North ...
Variability and Energetics of the Kuroshio Extension and Its Recirculation Gyre from the First Two-Year TOPEX Data
Publisher: American Meteorological Society
Abstract: Altimetry data from the first 21-month TOPEX mission (September 1992?June 1994) are analysed to investigate the sea surface height (SSH) fluctuations in the Kuroshio Extension and its southern recirculation gyre regions ...
Full Two-Dimensional Model for Rolling Resistance: Hard Cylinder on Viscoelastic Foundation of Finite Thickness
Publisher: American Society of Civil Engineers
Abstract: A new full two-dimensional semianalytical method is developed to rigorously and efficiently solve the problem of a rigid cylinder rolling with any given constant speed over a viscoelastic foundation of finite thickness. ...
Full Two-Dimensional Model for Rolling Resistance. II: Viscoelastic Cylinders on Rigid Ground
Publisher: American Society of Civil Engineers
Abstract: Following the previous paper, “Full two-dimensional model for rolling resistance: Hard cylinder on viscoelastic foundation of finite thickness,” addressing modeling of rigid cylinder rolling against viscoelastic foundation ...
Large-Scale Variability in the Midlatitude Subtropical and Subpolar North Pacific Ocean: Observations and Causes
Publisher: American Meteorological Society
Abstract: Altimetric data from the 8-yr TOPEX/Poseidon (T/P) mission (Oct 1992?Jul 2000) are used to investigate large-scale circulation changes in the three current systems of the midlatitude North Pacific Ocean: the North Pacific ...
Kuroshio Extension Variability and Forcing of the Pacific Decadal Oscillations: Responses and Potential Feedback
Publisher: American Meteorological Society
Abstract: A forcing mechanism is sought for the large-scale circulation changes in the Kuroshio Extension region of the western North Pacific Ocean as inferred by TOPEX/Poseidon sea surface height (SSH) data. The low-frequency signal ...
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