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Filtering by: Creator Anderson, Lain Academic Affiliation Soil Science Degree Level Doctoral

Relationships of clay mineralogy to landscape stability in Western Oregon

Creator:

Taskey, Ronald D. (Ronald David), 1944-

Abstract:

Soil erosion by mass wasting is the major problem on forest lands of the Pacific Northwest, The clay fractions of soils from a large number of sites in Oregon's Western Cascades were characterized in order to determine the relationships of various clay materials to mass movements. Each site was either...

Resource Type:

Dissertation

Full Text:

Pope and Anderson, 1960; Swanson and James, 1975); furthermore, major land failures have frequently
Analysis of a hydrologic balance model and Penman-Monteith evapotranspiration estimating methods

Creator:

Carrijo, Osmar Alves

Abstract:

The major objectives of this study were an evaluation of the Meteorological Office Rainfall and Evaporation Calculation System (MORECS) evapotranspiration (ET) model using the Penman-Monteith equation and comparison of the MORECS and measured surface resistance. Meteorological, soil and plant parameters were measured in an alfalfa field over two growing seasons....

Resource Type:

Dissertation
Land use distributions and changes in the Willamette Valley in relation to soil characteristics

Creator:

Wiens, John Herbert

Abstract:

A study was undertaken in the Willamette Valley, Oregon, to document 1971 land use patterns as well as land use change in a smaller study area in the 16 years prior, and to relate these to soil characteristics. Quantification of these inter-relationships was aided by use of computer tabulation and...

Resource Type:

Dissertation

Full Text:

by Anderson et al. (1972). 17 2 Land use legend symbolic. 58 3 Sample frequencies by land use class