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Full-Text Articles in Life Sciences

Idaho Bird Observatory: Research, Education, Conservation - 24/7, Elise Faike May 2010

Idaho Bird Observatory: Research, Education, Conservation - 24/7, Elise Faike

Jay D. Carlisle

The Idaho Bird Observatory’s Lucky Peak bird monitoring station atop the foothills overlooking Boise is unique. During fall migration, it’s the only place in western North America that hosts some form of songbird or raptor research all day and all night—for downright fun 24/7!


Reproducibility Of Soil Moisture Ensembles When Representing Soil Parameter Uncertainty Using A Latin Hypercube–Based Approach With Correlation Control, Alejandro N. Flores, Dara Entekhabi, Rafael L. Bras Apr 2010

Reproducibility Of Soil Moisture Ensembles When Representing Soil Parameter Uncertainty Using A Latin Hypercube–Based Approach With Correlation Control, Alejandro N. Flores, Dara Entekhabi, Rafael L. Bras

Alejandro N. Flores

Representation of model input uncertainty is critical in ensemble-based data assimilation. Monte Carlo sampling of model inputs produces uncertainty in the hydrologic state through the model dynamics. Small Monte Carlo ensemble sizes are desirable because of model complexity and dimensionality but potentially lead to sampling errors and correspondingly poor representation of probabilistic structure of the hydrologic state. We compare two techniques to sample soil hydraulic and thermal properties (SHTPs): (1) Latin Hypercube (LH) based sampling with correlation control and (2) random sampling from SHTP marginal distributions. A hydrology model is used to project SHTP uncertainty onto the soil moisture state …