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Filtering by: Degree Field Agricultural Engineering Remove constraint Degree Field: Agricultural Engineering Decade 1980-1989 Remove constraint Decade: 1980-1989 Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Multivariate geostatistical analysis of groundwater contamination by pesticide and nitrate

Creator:

Smyth, Jeffrey D.

Abstract:

A field study was conducted to determine the applicability of multivariate geostatistical methods to the problem of estimating and simulating pesticide concentrations in groundwater from measured concentrations of nitrate and pesticide, when pesticide is undersampled. Prior to this study, no published attempt had been made to apply multivariate geostatistics to...

Resource Type:

Masters Thesis

Full Text:

Master of Science in Agricultural Engineering presented on Mav 23.1988. Tide: Multivariate
Assessing groundwater vulnerability to contamination using finite element modeling and geographic information systems

Creator:

Rea, Alan H.

Abstract:

A method was developed for assessing the vulnerability of groundwater to contamination from contaminant sources at the soil surface, using a numerical groundwater flow model linked to a digital map database. The method was applied using the pcARC/INFO Geographic Information System (GIS) to input, store, and manipulate base maps, resulting...

Resource Type:

Masters Thesis

Full Text:

. APPROVED: Dr. /tf.D. Istok, Assistant Professor of Agricultural and Civil Engineering in charge of major
Mass transfer characteristics of fresh fruits stored in regular and controlled atmosphere conditions

Creator:

Hatch, Wayne E.

Resource Type:

Masters Thesis

Full Text:

Master of Science in Agricultural Engineering presented on March 28. 1989. Title: Mass Transfer
Microprocessor control and numerical model for broiler house summer ventilation utilizing a rockbed heat sink

Creator:

Chen, Chaur-Fong

Abstract:

Summer brooding often requires some form of air modification in addition to maximizing ventilation rate to prevent animal heat stress and possible death due to hyperthermia. A rockbed thermal storage module was designed and constructed to provide sensibly cooled air for a broiler space under summer brooding conditions. A mathematical...

Resource Type:

Masters Thesis

Full Text:

Master of Science in Agricultural Engineering presented on June 13. 1988^. Title: Microprocessor
Cooling and mass transfer rates in fresh fruits

Creator:

Chadwick, Jonathan Michael

Abstract:

Moisture loss from fresh fruits results in lost revenue to producers, storage/packing companies, distributors, and increased prices for the consumer. Improved methods of storage and handling are necessary to help prevent moisture loss and retard spoilage. A literature review was conducted to improve knowledge on past and current studies involving...

Resource Type:

Masters Thesis

Full Text:

Degree of Master of Sc ience in Agricultural Engineering presented on April 29 . 1987 . Title
Computer simulation of transient refrigeration load in a cold storage for apples and pears

Creator:

Adre, Norberto

Abstract:

Increased consumer demand for fresh fruit throughout the year has created a need for long term storage. Long term storage of fruit uses more energy than fresh market products, thus increasing production cost. Pacific Northwest energy costs and more competition for markets has made energy conservation an important factor to...

Resource Type:

Masters Thesis

Full Text:

Master of Science in Agricultural Engineering presented on July 31,1987 Title: Computer
Irrigation requirements for selected Oregon locations

Creator:

Basketfield, Daniel L.

Resource Type:

Masters Thesis

Full Text:

degree of Master of Science in Agricultural Engineering presented on 24 JUNE 1985 Title: Irrigation
A slatted floor portable shelter for lambing in winter rainfall pastures

Creator:

Nicholson, Martin Theodore

Abstract:

A survey of Oregon sheep producers conducted as part of this research, indicated that lambing losses by sheepgrowers in winter rainfall areas of Oregon currently average 16 percent. The majority of the lambs born in these areas are born in pastures without the benefit of shelter. The utilization of portable...

Resource Type:

Masters Thesis

Full Text:

Nicholson for the degree of Science in Agricultural Engineering presented on May 1, 1981 Title: A Slatted
Semi-emperical [sic] methods for estimating evapotranspiration in a modified marine climate

Creator:

Smith, Jerome Francis

Resource Type:

Masters Thesis

Full Text:

degree of Master of Science in Agricultural Engineering presented on May 5, 1986 Title : Semi-Empirical
Heat transfer predictions for aquaculture facilities

Creator:

Geiselman, James R.

Abstract:

Recycling of water in aquaculture facilities is used to minimize the amount of energy or tempered water required to control water temperatures. The rate of heat exchange between the water and the environment can be an important variable in the design, management, and economic analysis of a recycle system. A...

Resource Type:

Masters Thesis

Full Text:

of Master of Science in Agricultural Engineering presented on July 26, 1984. Title: Heat Transfer

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Academic Affiliation

Agricultural Engineering23

Advisor

Hellickson, Martin L.6
English, Marshall J.5
Istok, Jonathan D.3
English, Marshall2
Kolbe, Edward R.2
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1981 to 1990

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Committee Member

English, Marshall J.2
Andersen, W. L.1
Anglemier, A.1
Bolton, Floyd1
Cuenca, Richard H.1
more Committee Members »

Creator

Abdelli, Smida1
Adre, Norberto1
Araki, Yoshitaka1
Barnett, Richard Lee1
Basketfield, Daniel L.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1981 to 1989

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Decade

1980-1989[remove]24

Degree Field

Agricultural Engineering24
Economics1
Political Science1

Degree Level

Master's24

Degree Name

Master of Science (M.S.)23
Master of Arts in Interdisciplinary Studies (M.A.I.S.)1

Language

English [eng]24

Location

Corvallis, Oregon, United States, (Populated Place)1

Non-Academic Affiliation

Oregon State University. Graduate School[remove]24

Peer Reviewed

No15

Resource Type

Masters Thesis24

Rights Statement

Copyright Not Evaluated23
In Copyright1

Subject

Irrigation efficiency3
Groundwater -- Pollution -- Measurement2
Aquaculture1
Broilers (Poultry)1
Broilers (Poultry) -- Housing -- Heating and ventilation1
more Subjects »

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