Index Catalog // ScholarsArchive@OSU

Effects of aerosols on the properties of deep convective clouds

Creator:: Brown, Daniel A.
Abstract:: Aerosols are tiny particles that serve as nuclei for cloud droplet and ice crystal formation. Increases in aerosol concentration lead to clouds with smaller but more numerous droplets. Some recent studies have found evidence that ice crystal size in deep convective clouds is also reduced by elevated aerosol concentrations. In...
Resource Type:: Masters Thesis
Full Text:: formation. Increases in aerosol concentration lead to clouds with smaller but more numerous droplets

A complex signal to noise problem : determining the aerosol indirect effect from observations of ship tracks in AVHRR data

Creator:: Walsh, Christopher D.
Abstract:: Cloud reflectivity is a function of cloud liquid water content and droplet number concentration. Since cloud droplets form around pre-existing aerosol particles, cloud droplet number concentration depends on the availability of particles that can serve as cloud condensation nuclei. Given constant liquid water amount, increased availability of cloud condensation nuclei...
Resource Type:: Masters Thesis
Full Text:: Noise Problem: Determining the Aerosol Indirect Effect from Observations of Ship Tracks in AVHRR Data

INDOEX aerosol optical depths and radiative forcing derived from AVHRR

Creator:: Tahnk, William Richard
Abstract:: The Indian Ocean Experiment (INDOEX) had as a primary objective determining the radiative forcing due to anthropogenic aerosols over climatologically significant space and time scales: the Indian Ocean during the winter monsoon, January-March. During the winter monsoon, polluted, low-level air from the Asian subcontinent blows over the Arabian Sea and...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy in Atmospheric Sciences presented on February 2, 2001. Title: INDOEX Aerosol

Oxygenated natural products in tropospheric aerosols-sources and transport

Creator:: Chen, Xiaojing
Resource Type:: Masters Thesis
Full Text:: , transport, and fate of aerosol particles in the troposphere. Distributions and concentrations of lipid

Aerosol indirect radiative forcing over the northeastern Atlantic from AVHRR observations

Creator:: Matheson, Mark
Abstract:: Advanced Very-High Resolution Radiometer 4-km data were collected over the northeast Atlantic for May-August, 1995-1999. Aerosol optical depth was retrieved in cloud-free pixels. In pixels containing clouds from only single-layered, low-level systems, a retrieval scheme that accounts for partly-cloudy pixels was used to retrieve: cloud optical depth, droplet effective radius,...
Resource Type:: Dissertation

Factors influencing the atmospheric aerosol composition at two sites in western Oregon

Creator:: Ko, Lih-jong
Abstract:: Fine and coarse particles were collected for eight weeks during the summer of 1991, at a coastal site (Yaquina Head) and a non-industrial site (Corvallis) in Western Oregon to characterize the aerosol composition and evaluate whether the sites are appropriate for sampling "background" marine air. Concentrations of up to 11...
Resource Type:: Masters Thesis
Full Text:: Atmospheric Aerosol Composition at Two Sites in Western Oregon. Abstract Approved: Richard J. Fine and

Response of marine stratus to successive polluting events by ships

Creator:: Sechrist, B.
Abstract:: Ship tracks have proven to be an ideal laboratory for studying the response of marine stratocumulus to an increase in aerosol pollution. Here the response of already polluted marine stratocumulus to further pollution was examined by studying the clouds where two ship tracks cross. 78 crossings of ship tracks were...
Resource Type:: Masters Thesis
Full Text:: stratocumulus to an increase in aerosol pollution. Here the response of already polluted marine stratocumulus

Effects of solar heating on the indirect effect of aerosols as deduced from observations of ship tracks

Creator:: Christensen, Matthew W.
Abstract:: One kilometer Moderate Resolution Imaging Spectroradiometer (MODIS) observations for Terra (morning) and Aqua (afternoon) satellites were used to follow the morning to afternoon evolution of marine stratocumulus clouds that were affected by ship stack exhaust. The observations covered the summer months of 2002-2003 and August 2007 for marine layers off...
Resource Type:: Masters Thesis
Full Text:: . Low-level winds from the National Center for Environmental Prediction (NCEP) re-analyses were used

Assessing the effectiveness and environmental impacts of using natural flocculants to manage turbidity

Creator:: Kegley, Laura J.
Abstract:: The objective of this research was to determine the feasibility of using chitosan as a natural flocculant to control turbidity during in-stream construction work. A series of field tests in Oak Creek, Corvallis, OR were conducted in order to test the effectiveness for turbidity control and the environmental impacts of...
Resource Type:: Masters Thesis
Full Text:: and Environmental Impacts of Using Natural Flocculants to Manage Turbidity Abstract Approved: Dr

Total hydrocarbon emissions from lumber dry kilns

Creator:: Lavery, Mark Robert
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Effects of aerosols on the properties of deep convective clouds

A complex signal to noise problem : determining the aerosol indirect effect from observations of ship tracks in AVHRR data

INDOEX aerosol optical depths and radiative forcing derived from AVHRR

Oxygenated natural products in tropospheric aerosols-sources and transport

Aerosol indirect radiative forcing over the northeastern Atlantic from AVHRR observations

Factors influencing the atmospheric aerosol composition at two sites in western Oregon

Response of marine stratus to successive polluting events by ships

Effects of solar heating on the indirect effect of aerosols as deduced from observations of ship tracks

Assessing the effectiveness and environmental impacts of using natural flocculants to manage turbidity

Total hydrocarbon emissions from lumber dry kilns

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