Mark A. Ayers
United States Geological Survey
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Featured researches published by Mark A. Ayers.
Water Resources Research | 1991
Lauren E. Hay; Gregory J. McCabe; David M. Wolock; Mark A. Ayers
A method of precipitation simulation that incorporates climatological information has been developed. A Markovian-based model is used to generate temporal sequences of six daily weather types: high pressure; coastal return; maritime tropical return; frontal maritime tropical return; cold frontal overrunning; and warm frontal overrunning. Precipitation values are assigned to individual days by using observed statistical relations between weather types and precipitation characteristics. When this method was applied to an area in the Delaware River basin, the statistics describing average precipitation, extreme precipitation, and drought conditions for simulated precipitation closely matched those of the observed data. Potential applications of this weather type precipitation model include climatic change research and modeling of temperature and evapotranspiration.
Water-Resources Investigations Report | 2001
Leon J. Kauffman; Arthur L. Baehr; Mark A. Ayers; Paul E. Stackelberg
Water-Resources Investigations Report | 2002
Jonathan G. Kennen; Mark A. Ayers
Environmental Toxicology and Chemistry | 2001
Paul E. Stackelberg; Leon J. Kauffman; Mark A. Ayers; Arthur L. Baehr
Circular | 2000
Mark A. Ayers; Jonathan G. Kennen; Paul E. Stackelberg
Water-Resources Investigations Report | 2003
Gary R. Long; Mark A. Ayers; Edward Callender; Peter C. Van Metre
Water-Resources Investigations Report | 2000
Paul E. Stackelberg; Leon J. Kauffman; Arthur L. Baehr; Mark A. Ayers
Archive | 2003
Kathleen L. Hibbs; Paul E. Stackelberg; Leon J. Kauffman; Mark A. Ayers
Open-File Report | 2001
Kathleen L. Hibbs; Paul E. Stackelberg; Leon J. Kauffman; Mark A. Ayers
Archive | 2001
Leon J. Kauffman; Mark A. Ayers; David M. Wolock