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The hypothesis that statistical analyses of historical time series data can be used to separate the influences of natural variations from anthropogenic sources on global climate change is tested. Point, regional, national, and global temperature data are analyzed. Trend analyses for the period 1901-1987 suggest mean annual temperatures increased (in degrees(More)
The weather generation methods used in the WEPP model are based on the generators used in the EPIC (Williams et al., 1984), and SWRRB (Williams et al., 1985) models. This selection was based on the following: 1) the existing generators had been well tested in many location across the United States (Nicks, 1985) (see Figure 2.1.1), 2) the inputs for these(More)
AIMS To evaluate the efficacy and safety of nitrous oxide for children undergoing painful procedures. METHODS Ninety children requiring repeated painful procedures (lumbar puncture, bone marrow aspirate, venous cannulation, or dressing changes) were given nitrous oxide at a variable concentration of 50-70%. Procedure related distress was evaluated using(More)
Nurse-controlled analgesia (NCA) using a patient-controlled analgesia (PCA) device has been described for intensive care and postoperative use. This report describes the effective use of this technique for severe episodic and procedural pain in four children with advanced malignancy and high opioid requirements where conventional parenteral analgesia had(More)
She received a B.A. degree in economics and organizational behavior and management from Brown University and an M.S. degree in renewable natural resource studies from the University of Arizona. Background Soil, water, air, the plants and animals they support, and human interaction with them are a central focus of natural resources research and management.(More)
Relationships between sediment-associated contaminants and erosion and sedimentation processes are described, and some gaps in knowledge (with respect to erosion and sediment yield modeling) for improved understanding of contaminant transport and redistribution are identified. Watershed processes and erosion and sediment yield models are discussed. Two(More)
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