Index Catalog // ScholarsArchive@OSU

Simple Mechanistic Models of Middepth Meridional Overturning

Creator:: Samelson, R. M.
Abstract:: Two idealized, three-dimensional, analytical models of middepth meridional overturning in a basin with a Southern Hemisphere circumpolar connection are described. In the first, the overturning circulation can be understood as a “pump and valve” system, in which the wind forcing at the latitudes of the circumpolar connection is the pump...
Resource Type:: Article
Full Text:: Middepth Meridional Overturning R. M. SAMELSON College of Oceanic and Atmospheric Sciences, Oregon State

A Simple Dynamical Model of the Warm-Water Branch of the Middepth Meridional Overturning Cell

Creator:: Samelson, R. M.
Abstract:: A reduced-gravity model is presented of the warm-water branch of the middepth meridional overturning circulation in a rectangular basin with a circumpolar connection. The model describes the balance between production of warm water by Ekman advection across the circumpolar current, dissipation of warm water by eddy fluxes southward across the...
Resource Type:: Article
Full Text:: Branch of the Middepth Meridional Overturning Cell R. M. SAMELSON College of Oceanic and Atmospheric

Periodic Orbits and Disturbance Growth for Baroclinic Waves

Creator:: Samelson, R. M.
Abstract:: The growth of linear disturbances to stable and unstable time-periodic basic states is analyzed in an asymptotic model of weakly nonlinear, baroclinic wave–mean interaction. In this model, an ordinary differential equation for the wave amplitude is coupled to a partial differential equation for the zonal-flow correction. Floquet vectors, the eigenmodes...
Resource Type:: Article
Full Text:: atsc_58_306.436_450.tp 436 VOLUME 58J O U R N A L O F T H E A T M O S P

Chemical characteristics of ice residual nuclei in anvil cirrus clouds: evidence for homogeneous and heterogeneous ice formation

Creator:: Twohy, Cynthia and Poellot, M. R.
Abstract:: A counterflow virtual impactor was used to collect residual particles larger than about 0.1 μm diameter from anvil cirrus clouds generated over Florida in the southern United States. A wide variety of particle types were found. About one-third of the nuclei were salts, with varying amounts of crustal material, industrial...
Resource Type:: Article
Full Text:: and heterogeneous ice formation C. H. Twohy1 and M. R. Poellot2 1College of Oceanic and Atmospheric

Noninvasive Quantitative Measurement of Bacterial Growth in Porous Media under Unsaturated-Flow Conditions

Creator:: Yarwood, R. R., Rockhold, M. L., Niemet, M. R., Selker, J. S., and Bottomley, P. J.
Abstract:: Glucose-dependent growth of the luxCDABE reporter bacterium Pseudomonas fluorescens HK44 was monitored noninvasively in quartz sand under unsaturated-flow conditions within a 45- by 56- by 1-cm two-dimensional light transmission chamber. The spatial and temporal development of growth were mapped daily over 7 days by quantifying salicylate-induced bioluminescence. A nonlinear model...
Resource Type:: Article
Full Text:: Growth in Porous Media under Unsaturated-Flow Conditions† R. R. Yarwood,1,2 M. L. Rockhold,2,3 M. R

Impact of microbial growth on water flow and solute transport in unsaturated porous media

Creator:: Yarwood, R. R., Rockhold, M. L., Niemet, M. R., Selker, J. S., and Bottomley, P. J.
Abstract:: A novel analytical method was developed that permitted real-time, noninvasive measurements of microbial growth and associated changes in hydrodynamic properties in porous media under unsaturated flowing conditions. Salicylate-induced, lux gene-based bioluminescence was used to quantify the temporal and spatial development of colonization over a 7-day time course. Water contents were...
Resource Type:: Article
Full Text:: unsaturated porous media R. R. Yarwood,1 M. L. Rockhold,2 M. R. Niemet,3 J. S. Selker,4 and P. J

Parameterizing the natural fluorescence kinetics of Thalassiosira weissflogii

Creator:: Laney, Samuel R., Letelier, Ricardo M., and Abbott, Mark R.
Abstract:: We examined variability in the natural fluorescence yield of a neritic diatom, Thalassiosira weissflogii, in continuous cultures. In this species, kinetics in natural fluorescence yield over time scales less than a photoperiod were characterized by sharp decreases, occurring at irradiance intensities that presumably coincide with the onset of nonphotochemical fluorescence...
Resource Type:: Article
Full Text:: Laney, S. R., R. M. Letelier, and M. R. Abbott. Parameterizing the

Extending the organophosphate per harvest interval in pears by late season Confirm applications

Creator:: Van Steenwyk, Robert A. and Nomoto, R. M.
Resource Type:: Conference Proceeding
Full Text:: ORGANOPHOSPHATE PER HARVEST INTERVAL INPEARS BYLATE SEASON CONFIRM APPLICATIONS R. A. Van Steenwyk & R. M. Nomoto

True bug control in pears

Creator:: Van Steenwyk, Robert A. and Nomoto, R. M.
Resource Type:: Conference Proceeding
Full Text:: PEARS R. A. Van Steenwyk & R. M. Nomoto Department of Environmental Science, Policy and Management

Supplemental Confirm applications in codling moth mating disrupted pear orchards

Creator:: Van Steenwyk, Robert A. and Nomoto, R. M.
Resource Type:: Conference Proceeding
Full Text:: APPLICATIONS IN CODLING MOTH MATING DISRUPTED PEAR ORCHARDS R. A. Van Steenwyk & R. M. Nomoto Department of

ScholarsArchive@OSU

Simple Mechanistic Models of Middepth Meridional Overturning

A Simple Dynamical Model of the Warm-Water Branch of the Middepth Meridional Overturning Cell

Periodic Orbits and Disturbance Growth for Baroclinic Waves

Chemical characteristics of ice residual nuclei in anvil cirrus clouds: evidence for homogeneous and heterogeneous ice formation

Noninvasive Quantitative Measurement of Bacterial Growth in Porous Media under Unsaturated-Flow Conditions

Impact of microbial growth on water flow and solute transport in unsaturated porous media

Parameterizing the natural fluorescence kinetics of Thalassiosira weissflogii

Extending the organophosphate per harvest interval in pears by late season Confirm applications

True bug control in pears

Supplemental Confirm applications in codling moth mating disrupted pear orchards

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