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  1. Prediction of Soil Layer R-Value Dependence on Moisture Content

    This study focuses on how green roof thermal performance is affected by the soil moisture in summer condition. It aims to determine whether moist soil is a better insulator during the summer months than dry...

  2. A Study of Soil Organic Matter and Its Controlling Factors in Portland, Oregon

    Traditionally, local above- and below-ground plant and microbial communities, temperature and precipitation, topography and texture and composition of parent material have been thought to govern the soil...

  3. A Dynamic Physical Model for Soil Temperature and Water in Taylor Valley, Antarctica

    We developed a simulation model for terrestrial sites including sensible heat exchange between the atmosphere and ground surface, inter- and intra-layer heat conduction by rock and soil, and shortwave and...

  4. Differential Sensitivity to Climate Change of C and N Cycling Processes Across Soil Horizons in a Northern Hardwood Forest

    Climate of the northern hardwood forests of North America will become significantly warmer in the coming decades. Associated increases in soil temperature, decreases in water availability and changes in winter...

  5. The Terroir of Pinot Noir Wine in the Willamette Valley, Oregon : A Broad Analysis of Vineyard Soils, Grape Juice and Wine...

    Terroir is determined by a combination of factors in the vineyard including the grape varietal, geology and soil, soil hydrology, physiography, and climate. Although most studies have examined regional...

  6. Improving Soil Moisture Profile Prediction With the Particle Filter-Markov Chain Monte Carlo Method

    Satellite soil moisture estimates have received increasing attention over the past decade. This paper examines the applicability of estimating soil moisture states and soil hydraulic parameters through two...

  7. Water track modification of soil ecosystems in the Lake Hoare basin, Taylor Valley, Antarctica

    Water tracks are zones of high soil moisture that route shallow groundwater down-slope, through the active layer and above the ice table. A water track in Taylor Valley, McMurdo Dry Valleys, was analysed for...

  8. Effects of Biochar-Amended Soil on the Water Quality of Greenroof Runoff

    As the numbers of installed greenroofs continue to grow internationally, designing greenroof growing media to reduce the amount of nutrients in the stormwater runoff is becoming essential. Biochar, a...

  9. A Critical Physical Geography of Urban Soil Contamination

    Anthropogenic lead (Pb) is widespread in urban soils given its widespread deposition over the course of the 19th and 20th centuries via a range of point- and non-point sources, including industrial waste and...

  10. Proposed Oregon soils data standard: a component of the Oregon geoscience framework theme : draft for comment

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    This archived document is maintained by the Oregon State Library as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.

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