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  • 1
    Online Resource
    Online Resource
    San Diego :Elsevier Science & Technology,
    Keywords: Climatic changes - Mediterranean Region. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (438 pages)
    Edition: 1st ed.
    ISBN: 9780080460796
    Series Statement: Issn Series ; v.Volume 4
    DDC: 551.691822
    Language: English
    Note: Cover -- Abridged Contents -- Contents -- Preface -- The Mediterranean Climate: An Overview of the Main Characteristics and Issues -- The Mediterranean Region: Climate and Characteristics -- Regional Processes and Links to the Global Climate -- Climate Trends and Change at Regional Scale -- Socio-environmental Aspects -- Acknowledgements -- References -- Mediterranean Climate Variability over the Last Centuries: A Review -- Introduction -- Past Regional Mediterranean Climate Evidence and Extremes -- Evidence from Early Instrumental and Documentary Data -- Iberian Peninsula -- France -- Italy -- Southern Balkans, Greece and Eastern Mediterranean -- Northern Africa -- Ship Logbooks as a New Documentary Proxy for Past Mediterranean Climate -- Evidence from Natural Proxies -- Tree-Ring Information from the Iberian Peninsula and Italy -- Tree-Ring Information from South Eastern Europe and Eastern Mediterranean -- Tree-Ring Information from Northern Africa -- Speleothems -- Corals -- Evidence from Lower Resolution Natural Proxies and New Marine Archives -- Subsurface temperature information in the Mediterranean from borehole data -- Mediterranean sea temperatures and sea-water chemistry derived from Vermetids, non--tropical, and deep-sea corals -- Large-Scale Climate Reconstructions and Importance of Proxy Data for the Mediterranean -- Mediterranean Winter Temperature and Precipitation Variability over the Last 500 Years -- Connection between the Large-Scale Atmospheric Circulation and Mediterranean Winter Climate over the Last Centuries -- Major Atmospheric Circulation Patterns Associated with Mediterranean Winter Climate Anomalies -- Mediterranean Climate Variability since the Mid-Seventeenth Century in Terms of Large-Scale Circulation Dynamics. , Running Correlation Analysis between the Large-Scale Atmospheric Circulation and Mediterranean Winter Climate over the Last Centuries -- Teleconnection Studies with Other Parts of the Northern Hemisphere -- Mediterranean Winter Temperature and Precipitation Reconstructions in Comparison with the ECHO-G and HadCM3 Coupled Models -- Past Climate Variability and its Relations to Volcanism, Solar Activity and GHG Concentrations: Reconstructions and Models -- Conclusions -- Outlook -- Acknowledgements -- References -- Relations between Climate Variability in the Mediterranean Region and the Tropics: ENSO, South Asian and African Monsoons, Hurricanes and Saharan Dust -- Introduction -- ENSO Impact on the Mediterranean Climate -- ENSO and Eastern Mediterranean (EM) Rainfall -- ENSO and the Western Mediterranean Relationship -- ENSO and Extreme Mediterranean Rainfall -- Transient and Stationary Waves Approach -- Possible Coupling Mechanism of ENSO and the Mediterranean -- South Asian Monsoon Variability and the Mediterranean Climate -- Mediterranean Climate and South Asian Rainfall -- African Monsoon Impact on the Climate of the Mediterranean -- Tropical Cyclones' Impact on the Mediterranean Climate -- Tropical Intrusions into the Mediterranean Basin -- Mediterranean Dust Transport from Sahara -- Conclusions and Outlook -- Future Research on ENSO Impact on Mediterranean Climate -- Future Research on South Asian Monsoon Variability and the Mediterranean Climate -- Future Research on African Monsoon Impacts on the Climate of the Mediterranean -- Future Research on Tropical Intrusions into the Mediterranean Basin -- Acknowledgements -- References -- Relations between Variability in the Mediterranean Region and Mid-Latitude Variability -- Introduction -- Mid-Latitude Modes of Atmospheric Variability and their Impact -- The North Atlantic Oscillation Pattern. , The Eastern Atlantic and Eastern Atlantic/Western Russia Patterns -- The Scandinavian and Blocking Patterns -- Other Modes -- Temperature Variability -- Precipitation Variability -- Trends -- Temperature Trends -- Precipitation Trends -- Contributing Factors for Observed Temperature and Precipitation™Trends -- Other Important Forcing Factors -- Tropical and Extratropical SST -- Solar Variability -- Future Outlook -- Acknowledgements -- References -- Changes in the Oceanography of the Mediterranean Sea and their Link to Climate Variability -- Introduction -- The Forcing of the Mediterranean Sea -- Air& -- ndash -- Sea Interaction -- River Outflow -- Exchanges through the Strait of Gibraltar -- The Exchange with the Black Sea -- The Mediterranean Overturning Circulation -- The Modification of the Atlantic Inflow -- Intermediate Water Formation -- Deep Water Formation in the Eastern Mediterranean -- Deep Water Formation in the Western Mediterranean -- Climatic Changes in the Mediterranean Sea Circulation -- Multidecadal Trends in Water Mass Characteristics -- Rapid Changes: The Eastern Mediterranean Transient -- What Caused the EMT? -- mk4004sec16sec16 -- Where did the Deep Water Formation Take Place? -- How Much Deep Water was Produced by the EMT? -- Why did the EMT Happen? -- The Impact of Large-Scale Atmospheric Variability on the Mediterranean Sea -- Sea Level Changes in the Mediterranean Sea -- Extreme Sea Levels -- Changes in the Wind-wave Field -- Outlook and Future Challenges -- Acknowledgements -- References -- The Atlantic and Mediterranean Sea as Connected Systems -- Introduction -- Mediterranean Outflow vs. Mediterranean Internal Variability -- Description of Numerical Model -- Zonal and Meridional Cells -- Mean State and Variability -- Timescales of Mediterranean Thermohaline Circulation -- Decadal Oscillations in the Mediterranean Sea. , The Strait of Gibraltar: A Gate to the Atlantic -- Spreading of Mediterranean Outflow Water in the North Atlantic -- Dynamics of Mediterranean Outflow Water -- mk4005sec11asec11a -- Meddies -- Mediterranean Undercurrent -- Mediterranean Outflow Water and Stability and Variability of™Meridional Overturning Circulation -- Modelling of Mediterranean Outflow Water -- mk4005sec15asec15a -- Simplified Models -- General Circulation Model Studies -- Discussion and Future Challenges -- References -- Cyclones in the Mediterranean Region: Climatology and Effects on the Environment -- Introduction -- & -- ldquo -- Historical& -- rdquo -- Notes -- Mediterranean Cyclones: Data, Methods and Dynamics -- Dynamics of Cyclones in the Mediterranean Region -- Available Sets of Data -- Methodology -- Climatology of Cyclones in the Mediterranean -- Characteristics, Sub-Areas of Cyclogenesis, Seasonality and™Generation™Mechanisms -- The Role of Large-Scale Climate Patterns on the Mediterranean™Cyclones -- Trends -- Weather Patterns and Mediterranean Environment -- Precipitation -- Strong Winds -- Storm Surge -- Wind Waves -- Landslides -- Conclusions -- Outlook -- Acknowledgements -- References -- Regional Atmospheric, Marine Processes and Climate Modelling -- Introduction -- Teleconnection Patterns from the Mediterranean Region -- Mediterranean Thermohaline Circulation and its Sensitivity to Atmospheric Forcing -- Sensitivity of the Mediterranean Thermohaline Circulation to Anthropogenic Global Warming -- Current Status of Mediterranean Regional Climate Modelling -- Atmosphere-Sea Coupled Modelling -- Perspectives and Outlooks -- High-Resolution Mediterranean Climate Modelling Systems -- Development and Validation of Integrated Regional Modelling Systems -- Acknowledgements -- References -- The Mediterranean Climate Change under Global Warming -- Introduction. , Global-Coupled Climate Models -- Regional Climate Scenarios -- Statistical Downscaling -- RCM Simulations -- AGCM Simulations with Variable Resolution -- Impacts on Land Surface and Vegetation -- Future Research -- References -- Subject Index.
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  • 2
    Publication Date: 2022-05-26
    Description: Author Posting. © American Geophysical Union, 2009. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 114 (2009): C05011, doi:10.1029/2007JC004548.
    Description: Twin experiments were made to compare the reduced rank Kalman filter (RRKF), ensemble Kalman filter (EnKF), and ensemble square-root Kalman filter (EnSKF) for coastal ocean problems in three idealized regimes: a flat bottom circular shelf driven by tidal forcing at the open boundary; an linear slope continental shelf with river discharge; and a rectangular estuary with tidal flushing intertidal zones and freshwater discharge. The hydrodynamics model used in this study is the unstructured grid Finite-Volume Coastal Ocean Model (FVCOM). Comparison results show that the success of the data assimilation method depends on sampling location, assimilation methods (univariate or multivariate covariance approaches), and the nature of the dynamical system. In general, for these applications, EnKF and EnSKF work better than RRKF, especially for time-dependent cases with large perturbations. In EnKF and EnSKF, multivariate covariance approaches should be used in assimilation to avoid the appearance of unrealistic numerical oscillations. Because the coastal ocean features multiscale dynamics in time and space, a case-by-case approach should be used to determine the most effective and most reliable data assimilation method for different dynamical systems.
    Description: P. Malanotte-Rizzoli and J. Wei were supported by the Office of Naval Research (ONR grant N00014-06-1- 0290); C. Chen and Q. Xu were supported by the U.S. GLOBEC/Georges Bank program (through NSF grants OCE-0234545, OCE-0227679, OCE- 0606928, OCE-0712903, OCE-0726851, and OCE-0814505 and NOAA grant NA-16OP2323), the NSF Arctic research grants ARC0712903, ARC0732084, and ARC0804029, and URI Sea Grant R/P-061; P. Xue was supported through the MIT Sea Grant 2006-RC-103; Z. Lai, J. Qi, and G. Cowles were supported through the Massachusetts Marine Fisheries Institute (NOAA grants NA04NMF4720332 and NA05NMF4721131); and R. Beardsley was supported through U.S. GLOBEC/Georges Bank NSF grant OCE-02227679, MIT Sea Grant NA06OAR1700019, and the WHOI Smith Chair in Coastal Oceanography.
    Keywords: Kalman filters ; Data assimilation ; Ocean modeling
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/x-tex
    Format: application/pdf
    Format: text/plain
    Format: image/tiff
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