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  1. Living Soil and Composting: Life’s Lessons in the Learning Gardens

    After we spread the chicken poop, we covered it with hay... the poop was the fertilizer and the hay was the stuff that kept the plaHts warm. After school l checked the garden. Empty. Nobody. I climbed the fence...

  2. Multimodel Simulations of Forest Harvesting Effects on Long-Term Productivity and CN Cycling in Aspen Forests

    The effects of forest management on soil carbon (C) and nitrogen (N) dynamics vary by harvest type and species. We simulated long-term effects of bole-only harvesting of aspen (Populus tremuloides) on stand...

  3. Use of Water Indices Derived from Landsat OLI Imagery and GIS to Estimate the Hydrologic Connectivity of Wetlands in the...

    This study compared two remote sensing water indices: the Normalized Difference Water Index (NDWI) and the Modified NDWI (MNDWI). Both indices were calculated using publically-available data from the Landsat 8...

  4. The West Tidewater Earthflow, Northern Oregon Coast Range

    The West Tidewater earthflow, one of the largest in Oregon's history, occurred in December of 1994. The earthflow is located approximately 15 km north of Jewel, Oregon near the summit ofthe Northern Oregon...

  5. Slope Failure Detection through Multi-temporal Lidar Data and Geotechnical Soils Analysis of the Deep-Seated Madrone...

    Landslide hazard assessment of densely forested, remote, and difficult to access areas can be rapidly accomplished with airborne light detection and ranging (lidar) data. An evaluation of geomorphic change by...

  6. Elution Tailing of Nonaqueous Phase Liquids in Porous Media

    A variety of porous media were studied to characterize contaminant dispersion over time. This work looked at a compilation of previously published studies to investigate the dependence of long term elution...

  7. The Characteristics and Genesis of Stone Stripes in North Central Oregon

    Stone stripes are linear accumulations of rock debris separated by finer material and oriented down the steepest available slope. In north central Oregon, the stone stripes are composed of basalt fragments and...

  8. The Neoglacial History of Mt. Thielsen, Southern Oregon Cascades

    Little Ice Age (LIA) deposits are recognized on Mt. Tbielsen, southern Oregon Cascades (43° 9' N, 122° 3' W), based on particle morphology and relative position. The initial advance, Lathrop 1, created a...

  9. Soil Development and Vegetation Response to Removal of a Small Dam, Lassen Volcanic National Park, California

    Dam removal is increasing as dams age, yet little is understood about the pedogenic response to dam removal. This study reports on the edaphic changes of reservoir sediments and vegetation cover one year...

  10. Factors Affecting Methane Emissions from Rice Fields

    Methane emissions from rice fields are affected by a number of environmental and agricultural factors. We have analyzed our 7-year data set on methane emissions from rice fields in Tu Zu, China, to delineate...

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