Index Catalog // ScholarsArchive@OSU

Creator:: Davis, R. F., Moore, C. C., Zaneveld, J. Ronald, and Napp, J. M.
Abstract:: Two methods to alleviate the problem of fouling of moored flow tube optical instruments are presented. A chemical method diffuses a concentrated solution of bromine into the flow tube between sampling periods, creating a toxic environment for microorganisms. An optical method removes a baseline value from the red peak of...
Resource Type:: Article
Full Text:: , The Batchelor spectrum and dissipation in the upper ocean,J. Geophys. Res., 85, 1910-1916, 1980

Creator:: Zaneveld, J. Ronald
Abstract:: An expression for the ratio of the upwelling nadir radiance L(π, z) and the downwelling scalar irradiance Eod(Z) is derived from the following equation of radiative transfer. This expression is given by RSR(z)=[L(π, z)]/Eod(Z) = [fb(z)bb(z)]/2π[k(π, z) + c(z) – fL(z)bf(z)], where bb(z) is the backscattering coefficient, k(π, z) is...
Resource Type:: Article
Full Text:: remotely sensed reflectance of the ocean on the inherent optical properties J. Ronald V. Zaneveld

Creator:: Zaneveld, J. Ronald
Abstract:: An expression is derived for the rate at which the diffuse attenuation coefficient for vector irradiance approaches its asymptotic value in a homogeneous medium. The asymptotic approach rate is shown to be a function of boundary conditions at the surface and the asymptotic diffuse attenuation coefficient which is an inherent...
Resource Type:: Article
Full Text:: ZANEVELD, J. RONALD V. An asymptotic closure theory for

Creator:: Bogucki, Darek J., Domaradzki, J. Andrzej, Stramski, Dariusz, and Zaneveld, J. Ronald
Abstract:: We examine and compare near-forward light scattering that is caused by turbulence and typical particulate assemblages in the ocean. The near-forward scattering by particles was calculated using Mie theory for homogeneous spheres and particle size distributions representative of natural assemblages in the ocean. Direct numerical simulations of a passive scalar...
Resource Type:: Article
Full Text:: J. Bogucki, J. Andrzej Domaradzki, Dariusz Stramski, and J. Ronald Zaneveld We examine and compare

Creator:: Boss, Emmanuel and Zaneveld, J. Ronald
Abstract:: Measurements of inherent optical properties (IOP) were conducted over bottoms with different substrates by use of a sampling package mounted on and operated by a SCUBA diver. It was found that in areas of low ambient currents the distribution of IOP varies with bottom type in (1) its value relative...
Resource Type:: Article
Full Text:: BOSS, EMMANUEL, AND J. RONALD V. ZANEVELD The effect of bottom

Creator:: Pak, Hasong and Zaneveld, J. Ronald
Abstract:: Two separate time series observations of light transmission in the bottom water on the Continental Rise off Nova Scotia show fluctuations of light transmission in a wide range, 0-50% transmission at λ = 660 nm. The range corresponds approximately to SPM concentrations of 12 mg/l to 150 μg/l. The former...
Resource Type:: Article
Full Text:: HASONG PAK AND J. RONALD V. ZANEVELD School of Oceanography, Oregon State University, Corvallis, Oregon

Creator:: Zaneveld, J. Ronald and Boss, Emmanuel
Abstract:: The reflectance of the bottom is of importance when interpreting optical data in shallow water. Closure studies of radiative transfer, interpretation of laser line scanner data, lidar, and remote sensing in shallow waters require understanding of the bottom reflectance. In the Coastal Benthic Optical Properties experiment (CoBOP), extensive measurements of...
Resource Type:: Article
Full Text:: ZANEVELD, J. RONALD V., AND EMMANUEL BOSS The influence of bottom

Creator:: Pak, Hasong and Zaneveld, J. Ronald
Abstract:: One hundred and seventy pairs of temperature and light transmission profiles were obtained by simultaneous conductivity-temperature-depth (CTD) and light transmissometer casts in three cruises on the R/V Yaquina over the continental shelf off Oregon. These were analyzed for bottom nepheloid layers (BNL) and bottom mixed layers layers (BML). Supplementing these...
Resource Type:: Article
Full Text:: . RONALD V. ZANEVELD School of Oceanography, Oregon State University, Corvallis, Oregon 97331 One

Creator:: Zaneveld, J. Ronald and Spinrad, Richard W.
Abstract:: The solar energy flux as a function of depth (the irradiance profile) in the ocean is an important function. It influences the dynamics of the mixed layer via the heat budget as well as the biology of the euphotic zone. The following three-parameter model can take into account the very...
Resource Type:: Article
Full Text:: Irradiance in the Sea J. RONALD V. ZANEVELD AND RICHARD W. SPINRAD School of Oceanography, Oregon State

Creator:: Zaneveld, J. Ronald and Kitchen, James C.
Abstract:: Optical oceanography models of attenuation and scattering properties often contain simple spectral relationships. Electromagnetic theory, however, predicts fluctuations in the spectra of the attenuation coefficients and scattering properties of substances at wavelengths near an absorption peak. We have modeled these effects for phytoplankton using homogeneous, two‐layered, and three‐layered sphere models...
Resource Type:: Article
Full Text:: . Ronald V. Zaneveld and James C. Kitchen College of Oceanic and Atmospheric Sciences, Oregon State

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