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RISInterannual Temperature Events and Shifts in Global Temperature: A “Multiwavelet” Correlation Approach
Publisher: American Meteorological Society
Abstract: For the purpose of climate signal detection, we introduce a method for identifying significant episodes of large-scale oscillatory variability. The method is based on a multivariate wavelet algorithm that identifies coherent ...
joint Spatiotemporal Modes of Surface Temperature and Sea Level Pressure Variability in the Northern Hemisphere during the Last Century
Publisher: American Meteorological Society
Abstract: Coherent spatiotemporal modes of climatic variability are isolated based on a multivariate frequency domain singular value decomposition (SVD) of nearly a century of monthly Northern Hemisphere sea level pressure (SLP) and ...
Seasonality and Interannual Variations of Northern Hemisphere Temperature: Equator-to-Pole Gradient and Ocean–Land Contrast
Publisher: American Meteorological Society
Abstract: Historical variations in the equator-to-pole surface temperature gradient (EPG) and the ocean?land surface temperature contrast (OLC) based on spatial finite differencing of gridded historical sea surface and land air ...
A Multivariate Frequency-Domain Approach to Long-Lead Climatic Forecasting
Publisher: American Meteorological Society
Abstract: Guided by the increasing awareness and detectability of spatiotemporally organized climatic variability at interannual and longer timescales, the authors motivate the paradigm of a climate system that exhibits excitations ...
Understanding Changes in the Asian Summer Monsoon over the Past Millennium: Insights from a Long-Term Coupled Model Simulation
Publisher: American Meteorological Society
Abstract: The Asian summer monsoon (ASM) and its variability were investigated over the past millennium through the analysis of a long-term simulation of the NCAR Climate System Model, version 1.4 (CSM 1.4) coupled model driven with ...
Observed and Modeled Changes in the South Asian Summer Monsoon over the Historical Period
Publisher: American Meteorological Society
Abstract: The behavior in the South Asian summer monsoon (SASM) was analyzed in Coupled Model Intercomparison Project (CMIP3) multimodel historical (20c3m) simulations and in modern observational and reanalysis data. The CMIP3 ...
Probabilistic Projections of Climate Change for the Mid-Atlantic Region of the United States: Validation of Precipitation Downscaling during the Historical Era
Publisher: American Meteorological Society
Abstract: his study uses a statistical downscaling method based on self-organizing maps (SOMs) to produce high-resolution, downscaled precipitation estimates over the state of Pennsylvania in the mid-Atlantic region of the United ...
Future Changes in the South Asian Summer Monsoon: An Analysis of the CMIP3 Multimodel Projections
Publisher: American Meteorological Society
Abstract: he projected future behavior of the South Asian summer monsoon (SASM) is analyzed for the 720-ppm stabilization experiments [Special Report on Emissions Scenarios (SRES) A1B] of phase 3 of the Coupled Model Intercomparison ...
Comments on “Erroneous Model Field Representations in Multiple Pseudoproxy Studies: Corrections and Implications”
Publisher: American Meteorological Society
Abstract: merdon et al. report two errors in the climate model grid data used in previous pseudoproxy-based climate reconstruction experiments that do not impact the main conclusions of those works. The errors did not occur in ...
A Gridded Reconstruction of Warm Season Precipitation for Asia Spanning the Past Half Millennium
Publisher: American Meteorological Society
Abstract: he authors reconstructed May?September precipitation over the Asian continent (5°?55°N, 60°?135°E) back to AD 1470 on the basis of tree-ring data, historical documentary records, ice core records, and the few long-term ...