Index Catalog // ScholarsArchive@OSU

The Batchelor spectrum and dissipation in the upper ocean

Creator:: Dillon, Thomas M. and Caldwell, Douglas R.
Abstract:: Observations of vertical temperature microstructure at ocean station P during the mixed layer experiment (Mile) indicate that the shape of the high-frequency temperature gradient spectrum depends on the relative strengths of turbulence and stratification. For low Cox number ((dT/dz)²)/ (dT/dz)²• the linear range of the Batchelor spectrum is not well...
Resource Type:: Article
Full Text:: The Batchelor Spectrum and Dissipation in the Upper Ocean

Restoration of Riparian Areas Following the Removal of Cattle in the Northwestern Great Basin

Creator:: Batchelor, Jonathan L., Ripple, William J., Wilson, Todd M., and Painter, Luke E.
Abstract:: We assessed the effects of the elimination of livestock in riparian systems at Hart Mountain National Antelope Refuge in southeastern Oregon, 23 years after the removal of cattle grazing, using 64 photos taken before grazing was removed compared with later retake photos. Two methods were used for this assessment: (1)...
Resource Type:: Article
Full Text:: Cattle in the Northwestern Great Basin Batchelor, J. L., Ripple, W. J., Wilson, T. M., & Painter, L. E

Reducing the effects of fouling on chlorophyll estimates derived from long-term deployments of optical instruments

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

A theoretical derivation of the dependence of the remotely sensed reflectance of the ocean on the inherent optical properties

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

An asymptotic closure theory for irradiance in the sea and its inversion to obtain the inherent optical properties

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

National states and international science; A comparative history of international science congresses in Hitler's Germany, Stalin's Russia, and Cold War United States

Creator:: Doel, Ronald E.
Abstract:: Prior studies of modem scientific internationalism have been written primarily from the point of view of scientists, with little regard to the influence of the state. This study examines the state's role in international scientific relations. States sometimes encouraged scientific internationalism; in the mid-twentieth century,t hey often sought to restrict...
Resource Type:: Article
Full Text:: Doel, Ronald E. Department of History (and Department of Geosciences), Oregon State University

Modulation Transfer Function of Sea Water

Creator:: Zaneveld, J. Ronald V. and Beardsley, George F., Jr.
Abstract:: The modulation transfer function (MTF) of a simple submarine viewing situation is computed as a function of range and sea-water properties. For the cases considered, we found that the MTF follows the simple exponential law, exp(-ω/ω₀), where ω is the spatial frequency in lines/deg and where ω₀ is a complicated...
Resource Type:: Article
Full Text:: Function of Sea Water* J. RONALD V. ZANEVELD AND GEORGE F. BEARDSLEY, JR. Department of Oceanography

Theoretical Dependence of the Near-Asymptotic Apparent Optical Properties on the Inherent Optical Properties of Sea Water

Creator:: Beardsley, George F., Jr. and Zaneveld, J. Ronald V.
Abstract:: The apparent optical properties of sea water are a set of measurables that describe the geometry of the submarine light field. These properties are related to the inherent optical properties—the volume attenuation coefficient and the volume scattering function—through the process of radiative transfer. A numerical approximation to the equation of...
Resource Type:: Article
Full Text:: Optical Properties of Sea Water* GEORGE F. BEARDSLEY, JR., AND J. RONALD V. ZANEVELD Department of

Remotely sensed reflectance and its dependence on vertical structure: a theoretical derivation

Creator:: Zaneveld, J. Ronald V.
Abstract:: An exact expression for the remotely sensed reflectance (RSR, upwelling radiance divided by downwelling scalar irradiance) just beneath the surface of the ocean is derived from the equation of radiative transfer. It is shown that the RSR at a given depth in the ocean depends only on the inherent optical...
Resource Type:: Article
Full Text:: structure: a theoretical derivation J. Ronald V. Zaneveld An exact expression for the remotely sensed

Comparison of Near-Forward Light Scattering on Oceanic Turbulence and Particles

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

ScholarsArchive@OSU

The Batchelor spectrum and dissipation in the upper ocean

Restoration of Riparian Areas Following the Removal of Cattle in the Northwestern Great Basin

Reducing the effects of fouling on chlorophyll estimates derived from long-term deployments of optical instruments

A theoretical derivation of the dependence of the remotely sensed reflectance of the ocean on the inherent optical properties

An asymptotic closure theory for irradiance in the sea and its inversion to obtain the inherent optical properties

National states and international science; A comparative history of international science congresses in Hitler's Germany, Stalin's Russia, and Cold War United States

Modulation Transfer Function of Sea Water

Theoretical Dependence of the Near-Asymptotic Apparent Optical Properties on the Inherent Optical Properties of Sea Water

Remotely sensed reflectance and its dependence on vertical structure: a theoretical derivation

Comparison of Near-Forward Light Scattering on Oceanic Turbulence and Particles

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