Deterministic signals in precipitation in Arkansas,Louisiana, and Mississippi |
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Authors: | Robert G. Currie Douglas P. O'Brien |
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Affiliation: | (1) Institute for Terrestrial and Planetary Atmospheres, State University of New York, 11794 New York, Stony Brook, USA;(2) 32728 Alta Vista Drive, 80439 Evergreen, Colorado, USA |
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Abstract: | Evidence for a signal near 19 years is found in 51 out of 65 rain gauge records in the tri-state region of Arkansas, Louisiana, and Mississippi, While another term with period 10 to 11 years is found in 39 instances. These are identified as the 18.6-year luni-solarMn and solar cycleSc signals in climate variability. In terms of both amplitude and phase the luni-solar wave trains are highly nonstationary; in particular, the waves commonly change phase by 180°. Examples of theMn andSc terms in corn yield for Arkansas and Missouri are presented, and the implications for economic science briefly discussed. |
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Keywords: | Luni-solar 18.6-year drought drought in United States maximum entropy spectrum analysis |
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