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  1. 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...

  2. Combined Assimilation of Streamflow and Satellite Soil Moisture with the Particle Filter and Geostatistical Modeling

    Assimilation of satellite soil moisture and streamflow data into a distributed hydrologic model has received increasing attention over the past few years. This study provides a detailed analysis of the joint...

  3. Hydrologic Remote Sensing and Land Surface Data Assimilation

    Accurate, reliable and skillful forecasting of key environmental variables such as soil moisture and snow are of paramount importance due to their strong influence on many water resources applications including...

  4. A finite difference soil-structure interaction study of a section of the Bonneville Navigation Lock buttress diaphragm wall...

    The P-y curve, used in current practice as an efficient Iine-load vs. soi displacement model for input into the finite difference method of laterally loaded pile analysis, is extended in this study for use with...

  5. A sequential Bayesian approach for hydrologic model selection and prediction

    When a single model is used for hydrologic prediction, it must be capable of estimating system behavior accurately at all times. Multiple-model approaches integrate several model behaviors and, when effective,...

  6. Geotechnical Statistical Evaluation of Lahore Site Data and Deep Excavation Design

    Geotechnical characterization for foundation design is critical during preliminary planning, designing and feasibility studies of various engineering projects. In this research, an effort has been made to...

  7. Factors for Improved Fish Passage Waterway Construction

    Streambeds are important fish passageways in Oregon; they provide for the necessary habitats and spawning cycles of a healthy fish population. Oregon state law requires that hydraulic structures located in...

  8. Evaluating Global Sensitivity Analysis Methods for Hydrologic Modeling over the Columbia River Basin

    Global Sensitivity Analysis (GSA) approach helps to identify the effectiveness of model parameters or inputs and thus provides essential information about the model performance. The effects of 14 parameters and...

  9. Geostatistical Examination of the Geotechnical Portland BES Databases with Emphasis on Silt

    Willamette Valley silt deposits from historical catastrophic flood events present a difficult problem for subsurface engineers practicing in the Portland, Oregon area. Silts exhibit behavior of two very...

  10. Key Aspects for LRFD Implementation of Driven Pile Capacity by Dynamic Methods

    Inputs and interpretation procedures for pile wave equation analysis, which correlates measured field dynamic driving response to axial pile static capacity, are highly dependent on site-specific soil...

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