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Filtering by: Subject Drainage Degree Field Agricultural Engineering

Model study of drainage in shallow layered soils

Creator:

Bonna, Ata Kusi

Abstract:

The occurrence of relatively less permeable soil underlying a relatively more permeable and shallow soil profile is widespread in the Willamette Valley Region of Oregon. Recognizing that an understanding of the water transport process in such a situation would provide reliable criteria for designing a drainage system has led to...

Resource Type:

Masters Thesis

Full Text:

DRAINAGE IN SHALLOW LAYERED SOILS Abstract approved: Royal H. Brooks The occurrence of relatively less
A study of simulated water table fluctuations in a tile drained Amity soil

Creator:

Taylor, Paul Arthur

Abstract:

A lack of reliable criteria for designing tile drainage systems in the Willamette Valley has lead to tile drainage installations in a given soil series being based on general observations of previous drain performance in the series. Relatively few quantitative measurements, which would aid in designing economical installations, have been...

Resource Type:

Masters Thesis
Quantitative evaluation of winter fluctuating water tables for drainage criteria in the Willamette Valley

Creator:

Nibler, John Charles

Resource Type:

Masters Thesis

Full Text:

Fluctuating Water Tables f or Drainage Criteria in_the Willamette Valley Abstract approved: Royal H. Brooks