Masters Thesis

Rapid calibration of two small streams in northern California to detect effects of logging and road reconstruction

Data from two small northern California streams were analyzed to determine the effects of clearcut logging and road reconstruction on water quality and discharge. Data collected from these streams was part of an administrative study conducted by the U.S. Forest Service. The time-to-peak and suspended sediment yield increased for rising limbs of paired storms. No significant difference in discharge occurred for these same storms. The data was of such poor quality that low confidence was placed in the results. To plan and manage a watershed study seven points should be followed: 1) clear objectives should be established at the outset, 2) study should be designed around the objectives, 3) data collection procedures must be well defined, 4) the objectives, design, and data collection procedures must be well documented, 5) commitment of management to project is essential, 6) copious records should be kept during the course of the study, and 7) data summarization and analysis should be kept current.

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