Index Catalog // ScholarsArchive@OSU

Oxygenated natural products in tropospheric aerosols-sources and transport

Creator:: Chen, Xiaojing
Resource Type:: Masters Thesis
Full Text:: composition and chemotaxonomy of oxygenated natural organic compounds in rural aerosols within Oregon is

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

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

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

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

The agronomic, environmental, and economic implications of the introduction of terbacil for weed control in Oregon commercial peppermint operations

Creator:: Harris, James O.
Abstract:: The use of terbacil for weed control was adapted by a high percentage of Oregon peppermint growers soon after its introduction in 1967. To help clarify some of the implications of terbacil usage, three studies were undertaken to collect information concerning (a) the movement and build-up of terbacil in various...
Resource Type:: Masters Thesis
Full Text:: The agronomic, environmental, and economic implications

An analysis of two adjacent agricultural watersheds in west central Oregon

Creator:: Schoeneberger, Philip James
Abstract:: Two small adjacent watersheds on the west-central edge of the Willamette Valley of western Oregon were studied. Information was gathered on existing conditions to determine the suitability of the two watersheds for a paired-watershed study design. A soil survey was conducted using slightly modified soil series previously established for the...
Resource Type:: Masters Thesis
Full Text:: west central Oregon AN ABSTRACT OF THE THESIS OF Philip James Schoeneberger for the degree of

A biogeochemical study of manganese in the estuarine zone

Creator:: Flegal, Arthur Russell
Resource Type:: Dissertation
Full Text:: invertebrate fecal pellets of the Alsea River, Oregon, and 3) Phase transformations of manganese under

ScholarsArchive@OSU

Oxygenated natural products in tropospheric aerosols-sources and transport

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

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

Aerosol indirect radiative forcing over the northeastern Atlantic from AVHRR observations

Response of marine stratus to successive polluting events by ships

The agronomic, environmental, and economic implications of the introduction of terbacil for weed control in Oregon commercial peppermint operations

An analysis of two adjacent agricultural watersheds in west central Oregon

A biogeochemical study of manganese in the estuarine zone

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