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RISOne-Dimensional CCA and SVD, and Their Relationship to Regression Maps
Publisher: American Meteorological Society
Abstract: The canonical correlation analysis (CCA) and singular value decomposition (SVD) approaches for estimating a time series from a time-dependent vector and vice versa are investigated, and their relationship to multiple linear ...
Downscaling of GCM-Simulated Precipitation Using Model Output Statistics
Publisher: American Meteorological Society
Abstract: roducing reliable estimates of changes in precipitation at local and regional scales remains an important challenge in climate science. Statistical downscaling methods are often utilized to bridge the gap between the coarse ...
Instrument- and Tree-Ring-Based Estimates of the Antarctic Oscillation
Publisher: American Meteorological Society
Abstract: An estimate of the strength of the austral summer Antarctic Oscillation using station sea level pressure records for the period 1878?2000 is presented, the first to the authors' knowledge. The reconstruction was obtained ...
Validation of Mesoscale Precipitation in the NCEP Reanalysis Using a New Gridcell Dataset for the Northwestern United States
Publisher: American Meteorological Society
Abstract: Precipitation fields from the National Centers for Environmental Prediction (NCEP) reanalysis are validated with high-resolution, gridded precipitation observations over Oregon and Washington. The NCEP reanalysis is thought ...
Skill, Correction, and Downscaling of GCM-Simulated Precipitation
Publisher: American Meteorological Society
Abstract: he ability of general circulation models (GCMs) to correctly simulate precipitation is usually assessed by comparing simulated mean precipitation with observed climatologies. However, to what extent the skill in simulating ...
Statistical Precipitation Downscaling over the Northwestern United States Using Numerically Simulated Precipitation as a Predictor
Publisher: American Meteorological Society
Abstract: This study investigates whether GCM-simulated precipitation is a good predictor for regional precipitation over Washington and Oregon. In order to allow for a detailed comparison of the estimated precipitation with ...
Historical SAM Variability. Part I: Century-Length Seasonal Reconstructions
Publisher: American Meteorological Society
Abstract: Seasonal reconstructions of the Southern Hemisphere annular mode (SAM) index are derived to extend the record before the reanalysis period, using station sea level pressure (SLP) data as predictors. Two reconstructions ...
Stochastic Model Output Statistics for Bias Correcting and Downscaling Precipitation Including Extremes
Publisher: American Meteorological Society
Abstract: recipitation is highly variable in space and time; hence, rain gauge time series generally exhibit additional random small-scale variability compared to area averages. Therefore, differences between daily precipitation ...
Simulated Relationships between Regional Temperatures and Large-Scale Circulation: 125 kyr BP (Eemian) and the Preindustrial Period
Publisher: American Meteorological Society
Abstract: To investigate relationships between large-scale circulation and regional-scale temperatures during the last (Eemian) interglacial, a simulation with a general circulation model (GCM) under orbital forcing conditions of ...
The Effective Number of Spatial Degrees of Freedom of a Time-Varying Field
Publisher: American Meteorological Society
Abstract: The authors systematically investigate two easily computed measures of the effective number of spatial degrees of freedom (ESDOF), or number of independently varying spatial patterns, of a time-varying field of data. The ...