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Author Misra, V. ; Pantina, P. ; C. Chan, S. ; DiNapoli, S.
Title A comparative study of the Indian summer monsoon hydroclimate and its variations in three reanalyses Type $loc['typeJournal Article']
Year 2012 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 39
Issue 5
Pages 1149-1168
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Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 240
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Author Misra, V. ; Stroman, A. ; DiNapoli, S.
Title The rendition of the Atlantic Warm Pool in the reanalyses Type $loc['typeJournal Article']
Year 2013 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 41
Issue 2
Pages 517-532
Keywords Atlantic Warm Pool ; ENSO ; Tropospheric temperature
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Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 197
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Author Oh, J.-H. ; Kim, B.-M. ; Kim, K.-Y. ; Song, H.-J. ; Lim, G.-H.
Title The impact of the diurnal cycle on the MJO over the Maritime Continent: a modeling study assimilating TRMM rain rate into global analysis Type $loc['typeJournal Article']
Year 2013 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 40
Issue 3-4
Pages 893-911
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Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
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Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 204
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Author Parfitt, R. ; Ummenhofer, C.C. ; Buckley, B.M. ; Hansen, K.G. ; D'Arrigo, R.D.
Title Distinct seasonal climate drivers revealed in a network of tree-ring records from Labrador, Canada Type $loc['typeJournal Article']
Year 2020 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 54
Issue 3-4
Pages 1897-1911
Keywords BLUE INTENSITY ; LATEWOOD DENSITY ; TEMPERATURE ; DENDROCLIMATOLOGY ; PRECIPITATION ; STANDARDIZATION ; VARIABILITY ; NUNATSIAVUT ; TRENDS ; GULF
Abstract Traditionally, high-latitude dendroclimatic studies have focused on measurements of total ring width (RW), with the maximum density of the latewood (MXD) serving as a complementary variable. Whilst MXD has typically improved the strength of the growing season climate connection over that of RW, its measurements are costly and time-consuming. Recently, a less costly and more time-efficient technique to extract density measurements has emerged, based on lignin's propensity to absorb blue light. This Blue Intensity (BI) methodology is based on image analyses of finely-sanded core samples, and the relative ease with which density measurements can be extracted allows for significant increases in spatio-temporal sample depth. While some studies have attempted to combine RW and MXD as predictors for summer temperature reconstructions, here we evaluate a systematic comparison of the climate signal for RW and latewood BI (LWBI) separately, using a recently updated and expanded tree ring database for Labrador, Canada. We demonstrate that while RW responds primarily to climatic drivers earlier in the growing season (January-April), LWBI is more responsive to climate conditions during late spring and summer (May-August). Furthermore, RW appears to be driven primarily by large-scale atmospheric dynamics associated with the Pacific North American pattern, whilst LWBI is more closely associated with local climate conditions, themselves linked to the behaviour of the Atlantic Multidecadal Oscillation. Lastly, we demonstrate that anomalously wide or narrow growth rings consistently respond to the same climate drivers as average growth years, whereas the sensitivity of LWBI to extreme climate conditions appears to be enhanced.
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ISSN 0930-7575
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Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1119
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Author Selman, C. ; Misra, V.
Title The impact of an extreme case of irrigation on the southeastern United States climate Type $loc['typeJournal Article']
Year 2017 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 48
Issue 3-4
Pages 1309-1327
Keywords Regional climate modeling ; Irrigation ; Diurnal climatology ; Diurnal ; Southeast United States ; Southeast US ; Regional model ; Agriculture ; Anthropogenic influences ; Anthropogenic ; Climate ; Climate change ; Regional ; Impact ; Southeast ; Model ; Parametrization
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Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 22
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Author Stefanova, L. ; Misra, V. ; Chan, S. ; Griffin, M. ; O'Brien, J.J. ; Smith III, T.J.
Title A proxy for high-resolution regional reanalysis for the Southeast United States: assessment of precipitation variability in dynamically downscaled reanalyses Type $loc['typeJournal Article']
Year 2012 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 38
Issue 11-12
Pages 2449-2466
Keywords Southeast US ; Precipitation ; Hydroclimate ; Diurnal variability ; Seasonal variability ; Dynamical downscaling ; Reanalysis
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 262
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Author Stefanova, L. ; Misra, V. ; O'Brien, J.J. ; Chassignet, E.P. ; Hameed, S.
Title Hindcast skill and predictability for precipitation and two-meter air temperature anomalies in global circulation models over the Southeast United States Type $loc['typeJournal Article']
Year 2012 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 38
Issue 1-2
Pages 161-173
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ISSN 0930-7575
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Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 261
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Author Sun, J. ; Wu, Z.
Title Isolating spatiotemporally local mixed Rossby-gravity waves using multi-dimensional ensemble empirical mode decomposition Type $loc['typeJournal Article']
Year 2019 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume Issue 3-4
Pages 1383-1405
Keywords
Abstract Tropical waves have relatively large amplitudes in and near convective systems, attenuating as they propagate away from the area where they are generated due to the dissipative nature of the atmosphere. Traditionally, nonlocal analysis methods, such as those based on the Fourier transform, are applied to identify tropical waves. However, these methods have the potential to lead to the misidentification of local wavenumbers and spatial locations of local wave activities. To address this problem, we propose a new method for analyzing tropical waves, with particular focus placed on equatorial mixed Rossby-gravity (MRG) waves. The new tropical wave analysis method is based on the multi-dimensional ensemble empirical mode decomposition and a novel spectral representation based on spatiotemporally local wavenumber, frequency, and amplitude of waves. We first apply this new method to synthetic data to demonstrate the advantages of the method in revealing characteristics of MRG waves. We further apply the method to reanalysis data (1) to identify and isolate the spatiotemporally heterogeneous MRG waves event by event, and (2) to quantify the spatial inhomogeneity of these waves in a wavenumber-frequency-energy diagram. In this way, we reveal the climatology of spatiotemporal inhomogeneity of MRG waves and summarize it in wavenumber-frequency domain: The Indian Ocean is dominated by MRG waves in the period range of 8–12 days; the western Pacific Ocean consists of almost equal energy distribution of MRG waves in the period ranges of 3–6 and 8–12 days, respectively; and the eastern tropical Pacific Ocean and the tropical Atlantic Ocean are dominated by MRG waves in the period range of 3–6 days. The zonal wavenumbers mostly fall within the band of 4–15, with Indian Ocean has larger portion of higher wavenumber (smaller wavelength components) MRG waves.
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ user @
Serial 1093
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Author Wu, Z. ; Huang, N.E. ; Wallace, J.M. ; Smoliak, B.V. ; Chen, X.
Title On the time-varying trend in global-mean surface temperature Type $loc['typeJournal Article']
Year 2011 Publication Climate Dynamics Abbreviated Journal Clim Dyn
Volume 37
Issue 3-4
Pages 759-773
Keywords Global warming trend ; Multidecadal variability ; Ensemble empirical mode decomposition ; IPCC AR4
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0930-7575
ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @
Serial 299
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Author Xu, X. ; Chassignet, E.P., Wang, F.
Title On the variability of the Atlantic meridional overturning circulation transports in coupled CMIP5 simulations Type $loc['typeJournal Article']
Year 2018 Publication Climate Dynamics Abbreviated Journal Clim Dyn.
Volume 51
Issue 11
Pages 6511-6531
Keywords NAO-AMOC ; CMIP5 ; NAO index ; AMOC index ; meridional pressure gradient ; magnitude ; structure change of the NAO.
Abstract The Atlantic meridional overturning circulation (AMOC) plays a fundamental role in the climate system, and long-term climate simulations are used to understand the AMOC variability and to assess its impact. This study examines the basic characteristics of the AMOC variability in 44 CMIP5 (Phase 5 of the Coupled Model Inter-comparison Project) simulations, using the 18 atmospherically-forced CORE-II (Phase 2 of the Coordinated Ocean-ice Reference Experiment) simulations as a reference. The analysis shows that on interannual and decadal timescales, the AMOC variability in the CMIP5 exhibits a similar magnitude and meridional coherence as in the CORE-II simulations, indicating that the modeled atmospheric variability responsible for AMOC variability in the CMIP5 is in reasonable agreement with the CORE-II forcing. On multidecadal timescales, however, the AMOC variability is weaker by a factor of more than 2 and meridionally less coherent in the CMIP5 than in the CORE-II simulations. The CMIP5 simulations also exhibit a weaker long-term atmospheric variability in the North Atlantic Oscillation (NAO). However, one cannot fully attribute the weaker AMOC variability to the weaker variability in NAO because, unlike the CORE-II simulations, the CMIP5 simulations do not exhibit a robust NAO-AMOC linkage. While the variability of the wintertime heat flux and mixed layer depth in the western subpolar North Atlantic is strongly linked to the AMOC variability, the NAO variability is not.
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Call Number COAPS @ rl18 @
Serial 981
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