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  • American Geophysical Union  (192)
  • PANGAEA  (137)
  • Molecular Diversity Preservation International (MDPI)
  • 2015-2019  (168)
  • 2000-2004  (161)
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  • 1
  • 2
    Publication Date: 2018-10-23
    Description: Numerous studies have concluded that historical Hadley cell expansion simulated in reanalyses is much larger than the future expansion predicted by climate model simulations. Is Hadley cell expansion too weak in climate models, or are the trends in reanalyses spuriously large? This study shows that the mean meridional circulation in reanalyses generally does not conserve mass. The mass imbalance projects onto trends in the Hadley cell edge latitudes by modifying both the mean and anomalous circulation. In correcting for the imbalance, the majority of Hadley cell expansion trends in early-generation reanalyses in both hemispheres are revised to be smaller in magnitude, bringing them into closer agreement with the trends in modern reanalyses and climate models. While the methodology presented here is statistical in nature, it produces quantitatively similar results to a more sophisticated mass budget correction method. ©2018. American Geophysical Union. All Rights Reserved.
    Print ISSN: 0094-8276
    Electronic ISSN: 1944-8007
    Topics: Geosciences , Physics
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  • 3
    Publication Date: 2019-06-20
    Description: The width of the tropical Hadley circulation (HC) has garnered intense interest in recent decades, owing to the emerging evidence for its expansion in observations and models and to the anticipated impacts on surface climate in its descending branches. To better clarify the causes and impacts of tropical widening, this work generalizes the zonal mean HC to the regional level by defining meridional overturning cells (RC) using the horizontally divergent wind. The edges of the RC are more closely connected to surface hydroclimate than more traditional metrics of regional tropical width (such as the sea level pressure ridge) or even than the zonal mean HC. Simulations reveal a robust weakening of the RC in response to greenhouse gas increases, along with a widening of the RC in some regions. For example, simulated widening of the zonal mean HC in the Southern Hemisphere appears to arise in large part from regional overturning anomalies over the Eastern Pacific, where there is no clear RC. Unforced interannual variability in the position of the zonal mean HC edge is associated with a more general regional widening. These distinct regional signatures suggest that the RCs may be well suited for the attribution of observed circulation trends. The spatial pattern of regional meridional overturning trends in reanalyses corresponds more closely to the pattern associated with unforced interannual variability than to the pattern associated with CO2 forcing, suggesting a large contribution of natural variability to the recent observed tropical widening trends. © 2019. American Geophysical Union. All Rights Reserved.
    Print ISSN: 2169-897X
    Electronic ISSN: 2169-8996
    Topics: Geosciences , Physics
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  • 4
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    PANGAEA
    In:  Supplement to: Davis, Ashley N; Davis, Catherine V; Thunell, Robert C; Osborne, Emily B; Black, David E; Benitez-Nelson, Claudia R (2019): Reconstructing 800 Years of Carbonate Ion Concentration in the Cariaco Basin Using the Area Density of Planktonic Foraminifera Shells. Paleoceanography and Paleoclimatology, 34(12), 2129-2140, https://doi.org/10.1029/2019PA003698
    Publication Date: 2023-01-13
    Description: Record of Cariaco Basin near-surface [CO₃²⁻] from 1240-2007 C.E. derived from the area-density (shell weight (μg)/shell area (μm²)) of the planktonic foraminifer Globigerinoides ruber (pink). Area-density is used as a proxy for [CO₃²⁻] following the relationship presented in Marshall et al. (2013), using the two cores PL07-71-BC and CAR25-1
    Keywords: Age; Area in square milimeter; CAR25-1; Carbonate ion; CDRILL; Core drilling; Depth, bottom/max; Depth, top/min; Event label; Globigerinoides ruber pink; Globigerinoides ruber pink, density, standard deviation; Globigerinoides ruber pink, density per area; Globigerinoides ruber pink, weight; PL07-71-BC; Sample ID
    Type: Dataset
    Format: text/tab-separated-values, 721 data points
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  • 5
    Publication Date: 2024-02-01
    Keywords: 04010900; Bio-Optical Platform; BOP; DEPTH, water; Equatorial Pacific; Fluorescence; JGOFS; Joint Global Ocean Flux Study; Number of observations; Radiance, upward at 410 nm; Radiance, upward at 441 nm; Radiance, upward at 488 nm; Radiance, upward at 520 nm; Radiance, upward at 550 nm; Radiance, upward at 633 nm; Radiance, upward at 656 nm; Radiance, upward at 683 nm; Radiation, photosynthetically active; Salinity; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 633 nm; Spectral irradiance, downward at 656 nm; Spectral irradiance, downward at 671 nm; Spectral irradiance, downward at 683 nm; Spectral irradiance, downward at 694 nm; Spectral irradiance, downward at 710 nm; Spectral irradiance, incident at 410 nm; Spectral irradiance, incident at 520 nm; Spectral irradiance, upward at 410 nm; Spectral irradiance, upward at 441 nm; Spectral irradiance, upward at 486 nm; Spectral irradiance, upward at 488 nm; Spectral irradiance, upward at 520 nm; Spectral irradiance, upward at 550 nm; Spectral irradiance, upward at 671 nm; Spectral irradiance, upward at 694 nm; Temperature, water; Thomas G. Thompson; TT008; TT008_5-BOP10
    Type: Dataset
    Format: text/tab-separated-values, 4963 data points
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  • 6
    Publication Date: 2024-02-01
    Keywords: 04011600; Bio-Optical Platform; BOP; DEPTH, water; Equatorial Pacific; Fluorescence; JGOFS; Joint Global Ocean Flux Study; Number of observations; Radiance, upward at 410 nm; Radiance, upward at 441 nm; Radiance, upward at 488 nm; Radiance, upward at 520 nm; Radiance, upward at 550 nm; Radiance, upward at 633 nm; Radiance, upward at 656 nm; Radiance, upward at 683 nm; Radiation, photosynthetically active; Salinity; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 633 nm; Spectral irradiance, downward at 656 nm; Spectral irradiance, downward at 671 nm; Spectral irradiance, downward at 683 nm; Spectral irradiance, downward at 694 nm; Spectral irradiance, downward at 710 nm; Spectral irradiance, incident at 410 nm; Spectral irradiance, incident at 520 nm; Spectral irradiance, upward at 410 nm; Spectral irradiance, upward at 441 nm; Spectral irradiance, upward at 486 nm; Spectral irradiance, upward at 488 nm; Spectral irradiance, upward at 520 nm; Spectral irradiance, upward at 550 nm; Spectral irradiance, upward at 671 nm; Spectral irradiance, upward at 694 nm; Temperature, water; Thomas G. Thompson; TT008; TT008_5-BOP12
    Type: Dataset
    Format: text/tab-separated-values, 4254 data points
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  • 7
    Publication Date: 2024-02-01
    Keywords: 04021120; Bio-Optical Platform; BOP; DEPTH, water; Equatorial Pacific; Fluorescence; JGOFS; Joint Global Ocean Flux Study; Number of observations; Radiance, upward at 410 nm; Radiance, upward at 441 nm; Radiance, upward at 488 nm; Radiance, upward at 520 nm; Radiance, upward at 550 nm; Radiance, upward at 633 nm; Radiance, upward at 656 nm; Radiance, upward at 683 nm; Radiation, photosynthetically active; Salinity; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 633 nm; Spectral irradiance, downward at 656 nm; Spectral irradiance, downward at 671 nm; Spectral irradiance, downward at 683 nm; Spectral irradiance, downward at 694 nm; Spectral irradiance, downward at 710 nm; Spectral irradiance, incident at 410 nm; Spectral irradiance, incident at 520 nm; Spectral irradiance, upward at 410 nm; Spectral irradiance, upward at 441 nm; Spectral irradiance, upward at 486 nm; Spectral irradiance, upward at 488 nm; Spectral irradiance, upward at 520 nm; Spectral irradiance, upward at 550 nm; Spectral irradiance, upward at 671 nm; Spectral irradiance, upward at 694 nm; Temperature, water; Thomas G. Thompson; TT008; TT008_5-BOP13
    Type: Dataset
    Format: text/tab-separated-values, 5362 data points
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  • 8
    Publication Date: 2024-02-01
    Keywords: 04011205; Bio-Optical Platform; BOP; DEPTH, water; Equatorial Pacific; Fluorescence; JGOFS; Joint Global Ocean Flux Study; Number of observations; Radiance, upward at 410 nm; Radiance, upward at 441 nm; Radiance, upward at 488 nm; Radiance, upward at 520 nm; Radiance, upward at 550 nm; Radiance, upward at 633 nm; Radiance, upward at 656 nm; Radiance, upward at 683 nm; Radiation, photosynthetically active; Salinity; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 633 nm; Spectral irradiance, downward at 656 nm; Spectral irradiance, downward at 671 nm; Spectral irradiance, downward at 683 nm; Spectral irradiance, downward at 694 nm; Spectral irradiance, downward at 710 nm; Spectral irradiance, incident at 410 nm; Spectral irradiance, incident at 520 nm; Spectral irradiance, upward at 410 nm; Spectral irradiance, upward at 441 nm; Spectral irradiance, upward at 486 nm; Spectral irradiance, upward at 488 nm; Spectral irradiance, upward at 520 nm; Spectral irradiance, upward at 550 nm; Spectral irradiance, upward at 671 nm; Spectral irradiance, upward at 694 nm; Temperature, water; Thomas G. Thompson; TT008; TT008_5-BOP11
    Type: Dataset
    Format: text/tab-separated-values, 5356 data points
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  • 9
    Publication Date: 2024-02-01
    Keywords: 04031125; Bio-Optical Platform; BOP; DEPTH, water; Equatorial Pacific; Fluorescence; JGOFS; Joint Global Ocean Flux Study; Number of observations; Radiance, upward at 410 nm; Radiance, upward at 441 nm; Radiance, upward at 488 nm; Radiance, upward at 520 nm; Radiance, upward at 550 nm; Radiance, upward at 633 nm; Radiance, upward at 656 nm; Radiance, upward at 683 nm; Radiation, photosynthetically active; Salinity; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 633 nm; Spectral irradiance, downward at 656 nm; Spectral irradiance, downward at 671 nm; Spectral irradiance, downward at 683 nm; Spectral irradiance, downward at 694 nm; Spectral irradiance, downward at 710 nm; Spectral irradiance, incident at 410 nm; Spectral irradiance, incident at 520 nm; Spectral irradiance, upward at 410 nm; Spectral irradiance, upward at 441 nm; Spectral irradiance, upward at 486 nm; Spectral irradiance, upward at 488 nm; Spectral irradiance, upward at 520 nm; Spectral irradiance, upward at 550 nm; Spectral irradiance, upward at 671 nm; Spectral irradiance, upward at 694 nm; Temperature, water; Thomas G. Thompson; TT008; TT008_5-BOP14
    Type: Dataset
    Format: text/tab-separated-values, 5373 data points
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  • 10
    Publication Date: 2024-02-01
    Keywords: 04050920; Bio-Optical Platform; BOP; DEPTH, water; Equatorial Pacific; Fluorescence; JGOFS; Joint Global Ocean Flux Study; Number of observations; Radiance, upward at 410 nm; Radiance, upward at 441 nm; Radiance, upward at 488 nm; Radiance, upward at 520 nm; Radiance, upward at 550 nm; Radiance, upward at 633 nm; Radiance, upward at 656 nm; Radiance, upward at 683 nm; Radiation, photosynthetically active; Salinity; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 589 nm; Spectral irradiance, downward at 633 nm; Spectral irradiance, downward at 656 nm; Spectral irradiance, downward at 671 nm; Spectral irradiance, downward at 683 nm; Spectral irradiance, downward at 694 nm; Spectral irradiance, downward at 710 nm; Spectral irradiance, incident at 410 nm; Spectral irradiance, incident at 520 nm; Spectral irradiance, upward at 410 nm; Spectral irradiance, upward at 441 nm; Spectral irradiance, upward at 486 nm; Spectral irradiance, upward at 488 nm; Spectral irradiance, upward at 520 nm; Spectral irradiance, upward at 550 nm; Spectral irradiance, upward at 671 nm; Spectral irradiance, upward at 694 nm; Temperature, water; Thomas G. Thompson; TT008; TT008_5-BOP16
    Type: Dataset
    Format: text/tab-separated-values, 4908 data points
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