Variability common to global sea surface temperatures and runoff in the conterminous United States
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Abstract
Singular value decomposition (SVD) is used to identify the variability common to global sea surface temperatures (SSTs) and water-balance-modeled water-year (WY) runoff in the conterminous United States (CONUS) for the 1900–2012 period. Two modes were identified from the SVD analysis; the two modes explain 25% of the variability in WY runoff and 33% of the variability in WY SSTs. The first SVD mode reflects the variability of the El Niño–Southern Oscillation (ENSO) in the SST data and the hydroclimatic effects of ENSO on WY runoff in the CONUS. The second SVD mode is related to variability of the Atlantic multidecadal oscillation (AMO). An interesting aspect of these results is that both ENSO and AMO appear to have nearly equivalent effects on runoff variability in the CONUS. However, the relatively small amount of variance explained by the SVD analysis indicates that there is little covariation between runoff and SSTs, suggesting that SSTs may not be a viable predictor of runoff variability for most of the conterminous United States.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Variability common to global sea surface temperatures and runoff in the conterminous United States |
| Series title | Journal of Hydrometeorology |
| DOI | 10.1175/JHM-D-13-097.1 |
| Volume | 15 |
| Year Published | 2014 |
| Language | English |
| Publisher | American Meteorological Society |
| Contributing office(s) | National Research Program - Central Branch |
| Description | 12 p. |
| First page | 714 |
| Last page | 725 |
| Country | United States |
| Google Analytic Metrics | Metrics page |