Index Catalog // ScholarsArchive@OSU

Aerosol optical depth and direct radiative forcing for INDOEX derived from AVHRR: Observations, January–March 1996–2000

Creator:: Tahnk, William R. and Coakley, James A., Jr.
Abstract:: Visible and near infrared reflectances from NOAA-14 Advanced Very High Resolution Radiometer (AVHRR) daytime passes are used to derive optical depths at 0.55 μm, an index of aerosol type, continental or marine, and the direct effect of the aerosol on the top of the atmosphere and surface solar radiative fluxes...
Resource Type:: Article
Full Text:: for INDOEX derived from AVHRR: Observations, January–March 1996–2000 William R. Tahnk and James A

Data report : major and trace element data for leg 202 sites 1233 and 1234

Creator:: McManus, James
Abstract:: The exchange of waters between the Pacific and the Southern Oceans occurs along the eastern boundary of the South Pacific. Because water masses of the Antarctic provide a connection among the world's ocean basins, these water masses maintain the ability to influence changes in ocean circulation and climate (Lynch-Stieglitz et...
Resource Type:: Article
Full Text:: SITES 1233 AND 1234 Tiedemann, R., Mix, A.C., Richter, C., and Ruddiman, W.F. (Eds.) Proceedings of

Morning-to-Afternoon Evolution of Marine Stratus Polluted by Underlying Ships: Implications for the Relative Lifetimes of Polluted and Unpolluted Clouds

Creator:: Christensen, Matthew W., Coakley, James A., Jr., and Tahnk, William R.
Abstract:: Ship tracks appearing in both the morning and afternoon Moderate Resolution Imaging Spectroradiometer (MODIS) imagery for the Pacific Ocean off the west coast of the United States were used to study the morning-to-afternoon evolution of marine stratus polluted by underlying ships and nearby uncontaminated stratus. Analyzed 925-hPa winds were used...
Resource Type:: Article
Full Text:: Clouds MATTHEW W. CHRISTENSEN, JAMES A. COAKLEY JR., AND WILLIAM R. TAHNK College of Oceanic and

Effects of threshold retrievals on estimates of the aerosol indirect radiative forcing

Creator:: Matheson, Mark A., Coakley, James A., and Tahnk, William R.
Abstract:: Empirical estimates of the aerosol indirect radiative forcing often rely on threshold cloud retrievals applied to multispectral satellite imagery data. In such retrievals, pixels having radiances that surpass prescribed thresholds are assumed to be overcast even if they are only partially cloud covered. This assumption leads to cloud visible optical...
Resource Type:: Article
Full Text:: aerosol indirect radiative forcing Mark A. Matheson,1,2 James A. Coakley Jr.,1 and William R. Tahnk1

Aerosol and cloud property relationships for summertime stratiform clouds in the northeastern Atlantic from Advanced Very High Resolution Radiometer observations

Creator:: Matheson, Mark A., Coakley, James A., and Tahnk, William R.
Abstract:: Advanced Very High Resolution Radiometer (AVHRR) 4-km data collected over the northeastern Atlantic off the coast of the Iberian Peninsula for May to August 1995 were used to investigate the feasibility of empirically deriving estimates of the aerosol indirect radiative forcing. A retrieval scheme was used to derive cloud visible...
Resource Type:: Article
Full Text:: observations Mark A. Matheson, James A. Coakley Jr., and William R. Tahnk College of Oceanic and Atmospheric

Multiyear Advanced Very High Resolution Radiometer observations of summertime stratocumulus collocated with aerosols in the northeastern Atlantic

Creator:: Matheson, Mark A., Coakley, James A., and Tahnk, William R.
Abstract:: Advanced Very High Resolution Radiometer (AVHRR) 4-km data were collected over the northeast Atlantic for May–August 1995–1999. Aerosol optical depth at 0.55 μm was retrieved in pixels identified as being cloud-free ocean. In pixels identified as containing clouds from single-layered, low-level cloud systems over oceans, the following cloud properties were...
Resource Type:: Article
Full Text:: . Matheson,1,2 James A. Coakley Jr.,1 and William R. Tahnk1 Received 15 November 2005; revised 18 April 2006

Length scales of turbulence in stably stratified mixing layers

Creator:: Smyth, William D. and Moum, James N.
Abstract:: Turbulence resulting from Kelvin–Helmholtz instability in layers of localized stratification and shear is studied by means of direct numerical simulation. Our objective is to present a comprehensive description of the turbulence evolution in terms of simple, conceptual pictures of shear–buoyancy interaction that have been developed previously based on assumptions of...
Resource Type:: Article
Full Text:: 2000 Length scales of turbulence in stably stratified mixing layers William D. Smytha) and James N

Microstructure estimates of turbulent salinity flux and the dissipation spectrum of salinity

Creator:: Nash, Jonathan D. and Moum, James N.
Abstract:: Direct determination of the irreversible turbulent flux of salinity in the ocean has not been possible because of the complexity of measuring salinity on the smallest scales over which it mixes. Presented is an analysis of turbulent salinity microstructure from measurements using a combined fast-conductivity/temperature probe on a slowly falling...
Resource Type:: Article
Full Text:: phoc_32_903.2312_2333.tp 2312 VOLUME 32J O U R N A L O F P H Y S I C A

Aerosol optical depths and direct radiative forcing for INDOEX derived from AVHRR: Theory

Creator:: Coakley, James A., Jr., Tahnk, William R., Jayaraman, A., Quinn, Patricia K., Devaux, Claude, and Tanré, Didier
Abstract:: A scheme is presented for retrieving aerosol properties for ocean regions from reflected sunlight at both the visible and near infrared wavelengths measured by the NOAA advanced very high resolution radiometer (AVHRR). For the Indian Ocean Experiment (INDOEX), aerosols were presumed to be a mixture of a continental haze that...
Resource Type:: Article
Full Text:: for INDOEX derived from AVHRR: Theory James A. Coakley Jr. and William R. Tahnk College of Oceanic

A Numerical Modeling Study of the Upwelling Source Waters along the Oregon Coast during 2005

Creator:: Rivas, David and Samelson, R. M.
Abstract:: Regional ocean circulation along the Oregon coast is studied numerically for forcing fields derived from year 2005 and climatological-mean conditions. The primary object is to study directly the Lagrangian pathways by which fluid arrives in the Oregon upwelling zone. Roughly half of the upwelling fluid is found to arrive in...
Resource Type:: Article
Full Text:: Source Waters along the Oregon Coast during 2005 DAVID RIVAS* AND R. M. SAMELSON College of Oceanic and

ScholarsArchive@OSU

Aerosol optical depth and direct radiative forcing for INDOEX derived from AVHRR: Observations, January–March 1996–2000

Data report : major and trace element data for leg 202 sites 1233 and 1234

Morning-to-Afternoon Evolution of Marine Stratus Polluted by Underlying Ships: Implications for the Relative Lifetimes of Polluted and Unpolluted Clouds

Effects of threshold retrievals on estimates of the aerosol indirect radiative forcing

Aerosol and cloud property relationships for summertime stratiform clouds in the northeastern Atlantic from Advanced Very High Resolution Radiometer observations

Multiyear Advanced Very High Resolution Radiometer observations of summertime stratocumulus collocated with aerosols in the northeastern Atlantic

Length scales of turbulence in stably stratified mixing layers

Microstructure estimates of turbulent salinity flux and the dissipation spectrum of salinity

Aerosol optical depths and direct radiative forcing for INDOEX derived from AVHRR: Theory

A Numerical Modeling Study of the Upwelling Source Waters along the Oregon Coast during 2005

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