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Author (up) 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 Volume Series Issue Edition
ISSN 0930-7575 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 197
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Author (up) Selman, C.; Misra, V.; Stefanova, L.; Dinapoli, S.; Smith III, T.J.
Title On the twenty-first-century wet season projections over the Southeastern United States Type $loc['typeJournal Article']
Year 2013 Publication Regional Environmental Change Abbreviated Journal Reg Environ Change
Volume 13 Issue S1 Pages 153-164
Keywords Regional climate change; Southeast United States; Rainfall variability; Regional climate model; Global climate model; Precipitation variability
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Series Volume Series Issue Edition
ISSN 1436-3798 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 192
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Author (up) Zou, M.; Xiong, X.; Wu, Z.; Li, S.; Zhang, Y.; Chen, L.
Title Increase of Atmospheric Methane Observed from Space-Borne and Ground-Based Measurements Type $loc['typeJournal Article']
Year 2019 Publication Remote Sensing Abbreviated Journal Remote Sensing
Volume 11 Issue 8 Pages
Keywords Methane increase trend; Boundary layer; Mid-upper troposphere; Satellite; AIRS
Abstract It has been found that the concentration of atmospheric methane (CH4) has rapidly increased since 2007 after a decade of nearly constant concentration in the atmosphere. As an important greenhouse gas, such an increase could enhance the threat of global warming. To better quantify this increasing trend, a novel statistic method, i.e. the Ensemble Empirical Mode Decomposition (EEMD) method, was used to analyze the CH4 trends from three different measurements: the mid-upper tropospheric CH4 (MUT) from the space-borne measurements by the Atmospheric Infrared Sounder (AIRS), the CH4 in the marine boundary layer (MBL) from NOAA ground-based in-situ measurements, and the column-averaged CH4 in the atmosphere (X-CH4) from the ground-based up-looking Fourier Transform Spectrometers at Total Carbon Column Observing Network (TCCON) and the Network for the Detection of Atmospheric Composition Change (NDACC). Comparison of the CH4 trends in the mid-upper troposphere, lower troposphere, and the column average from these three data sets shows that, overall, these trends agree well in capturing the abrupt CH4 increase in 2007 (the first peak) and an even faster increase after 2013 (the second peak) over the globe. The increased rates of CH4 in the MUT, as observed by AIRS, are overall smaller than CH4 in MBL and the column-average CH4. During 2009-2011, there was a dip in the increase rate for CH4 in MBL, and the MUT-CH4 increase rate was almost negligible in the mid-high latitude regions. The increase of the column-average CH4 also reached the minimum during 2009-2011 accordingly, suggesting that the trends of CH4 are not only impacted by the surface emission, however that they also may be impacted by other processes like transport and chemical reaction loss associated with [OH]. One advantage of the EEMD analysis is to derive the monthly rate and the results show that the frequency of the variability of CH4 increase rates in the mid-high northern latitude regions is larger than those in the tropics and southern hemisphere.
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ISSN 2072-4292 ISBN Medium
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Funding Approved $loc['no']
Call Number COAPS @ user @ Serial 1055
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