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Spuriously induced precipitation trends in the southeast United States |
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| Authors: | Jason Allard Barry D Keim Jessica E Chassereau David Sathiaraj |
| Institution: | 1. South Carolina Office of State Climatology, Columbia, SC, USA 2. Louisiana Office of State Climatology, Louisiana State University, Baton Rouge, LA, USA 3. Engineering Division, City of Columbia Utilities and Engineering, Columbia, SC, USA 4. Southern Regional Climate Center Louisiana State University, Baton Rouge, LA, USA |
| Abstract: | This study uses correlation and multiple regression techniques to document differences in annual and seasonal precipitation trends between the NCDC Climate Division database and the United States Historical Climate Network (USHCN) in the southeast United States. Findings indicate that the majority of climate divisions have different temporal patterns than those depicted by the USHCN. They did not, however, consistently possess statistically significant relationships between the ratio (CDD/USHCN) and changes in mean station location as noted in other studies. It appears that other influences cause the majority of the variance between the two datasets. The fact that the two datasets do not consistently agree, however, suggests that spuriously induced trends may be present in the NCDC Climate Division database. |
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