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  • 1
    Online Resource
    Online Resource
    Coastal Ocean Observing Systems. (2015)
    San Diego :Elsevier Science & Technology,
    Details
    Keywords: Oceanography. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (491 pages)
    Edition: 1st ed.
    ISBN: 9780128020616
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=2060806
    DDC: 551.4/6
    Language: English
    Note: Front Cover -- Coastal Ocean Observing Systems -- Copyright -- Contents -- Contributors -- Preface -- Acknowledgment -- Chapter 1 - Introduction to Coastal Ocean Observing Systems -- 1. INTRODUCTION -- 2. COASTAL OCEAN OBSERVING SYSTEMS DEVELOPMENT -- 3. SCIENCE AND TECHNOLOGY ADVANCEMENT -- 4. SOCIETAL BENEFITS -- 5. CONCLUDING REMARKS -- Acknowledgments -- REFERENCES -- Chapter 2 - National Ocean Observing Systems in a Global Context -- 1. WHY DO WE NEED OCEAN OBSERVING? -- 2. ANSWERING THE CALL-NATIONAL AND GLOBAL OCEAN OBSERVING INFRASTRUCTURES -- 3. OCEAN OBSERVING TECHNOLOGIES -- 4. ACCESS TO THE DATA -- 5. MODELING AND ANALYSIS -- 6. EDUCATION AND OUTREACH -- 7. SUMMARY -- Acknowledgments -- REFERENCES -- Chapter 3 - The Importance of Federal and Regional Partnerships in Coastal Observing -- 1. INTRODUCTION -- 2. WHY A PARTNERSHIP APPROACH TO COASTAL OCEAN OBSERVING? -- 3. THE IOOS APPROACH -- 4. BUILDING PARTNERSHIPS THROUGH DATA ACCESSIBILITY -- 5. PRIVATE SECTOR PARTNERSHIPS -- 6. CASE STUDIES -- 7. CONCLUSION -- REFERENCES -- Chapter 4 - Basic Tenets for Coastal Ocean Ecosystems Monitoring -- 1. INTRODUCTION -- 2. THE TENETS -- 3. RECENT APPLICATION EXAMPLES -- 4. EXPERIMENTAL DESIGN -- 5. SUMMARY AND RECOMMENDATIONS -- Acknowledgments -- REFERENCES -- Chapter 5 - The Monitoring of Harmful Algal Blooms through Ocean Observing: The Development of the California Harmful Algal ... -- 1. INTRODUCTION AND BACKGROUND -- 2. THE CALHABMAP NETWORK -- 3. DEVELOPMENT OF AN HAB FORECASTING CAPABILITY -- 4. TOXIN AND SPECIES METHODS INTERCOMPARISON -- 5. ECONOMIC ANALYSIS -- 6. SUMMARY AND RECOMMENDATIONS -- Acknowledgments -- REFERENCES -- Chapter 6 - Sustained Ocean Observing along the Coast of Southeastern Australia: NSW-IMOS 2007-2014 -- 1. INTRODUCTION -- 2. NSW-IMOS IN THE NATIONAL CONTEXT -- 3. THE NSW-IMOS INFRASTRUCTURE-DESIGN OF THE ARRAY. , 4. ASSESSING THE DESIGN OF THE SHELF MOORING ARRAY -- 5. SHORTCOMINGS AND RECOMMENDATIONS FOR THE FUTURE -- 6. CONCLUSIONS -- Acknowledgments -- REFERENCES -- Chapter 7 - Projeto Azul: Operational Oceanography in an Active Oil and Gas Area Southeastern Brazil -- 1. INTRODUCTION -- 2. SANTOS BASIN OCEAN DYNAMICS -- 3. OBSERVATIONS AND DATABASE -- 4. RESULTS -- 5. HYDRODYNAMIC MODELING AND DATA ASSIMILATION -- 6. FINAL REMARKS AND FUTURE STEPS -- Acknowledgments -- REFERENCES -- Chapter 8 - Zooplankton Data from High-Frequency Coastal Transects: Enriching the Contributions of Ocean Observing Systems ... -- 1. INTRODUCTION -- 2. HIGH-FREQUENCY COASTAL TRANSECTS -- 3. WHAT CAN ZOOPLANKTON DATA TELL US ABOUT THE NCC? -- 4. ZOOPLANKTON-BASED ECOSYSTEM INDICATORS -- 5. DISCUSSION -- Acknowledgments -- REFERENCES -- Chapter 9 - The IMOS Ocean Radar Facility, ACORN -- 1. INTRODUCTION -- 2. ACORN -- 3. CURRENT MEASUREMENTS, ACCURACY, AND APPLICATIONS -- 4. WAVE AND WIND MEASUREMENTS, ACCURACY, AND APPLICATIONS -- 5. PROSPECTS FOR FURTHER DEVELOPMENT -- Acknowledgments -- REFERENCES -- Chapter 10 - How High-Resolution Wave Observations and HF Radar-Derived Surface Currents are Critical to Decision-Making fo ... -- 1. INTRODUCTION -- 2. WAVE AND SURFACE CURRENT MEASUREMENT PROGRAM OVERVIEW AND SUPPORTING INFORMATION -- 3. CASE STUDIES -- 4. SUMMARY -- REFERENCES -- Chapter 11 - Observing Frontal Instabilities of the Florida Current Using High Frequency Radar -- 1. INTRODUCTION -- 2. BACKGROUND: THE FLORIDA CURRENT -- 3. INSTRUMENTATION AND EXPERIMENTAL DESIGN -- 4. CYCLONIC SHEAR-ZONE INSTABILITY -- 5. ANTICYCLONIC SHEAR-ZONE INSTABILITY -- 6. SUMMARY -- Acknowledgments -- REFERENCES -- Chapter 12 - Fine-Scale Tidal and Subtidal Variability of an Upwelling-Influenced Bay as Measured by the Mexican High Frequ ... -- 1. INTRODUCTION -- 2. RESULTS. , 3. DISCUSSION AND CONCLUSIONS -- Acknowledgments -- REFERENCES -- Chapter 13 - Effect of Radio Frequency Interference (RFI) Noise Energy on WERA Performance Using the "Listen Before Talk" A ... -- 1. INTRODUCTION -- 2. BACKGROUND -- 3. SYSTEM OPERATIONAL CHARACTERISTICS AND PROBLEM DEFINITION -- 4. QUANTIFYING THE VARIATIONS IN THE LOCAL NOISE FIELD PRESENT -- 5. SUMMARY -- Acknowledgments -- REFERENCES -- Chapter 14 - Ocean Remote Sensing Using X-Band Shipborne Nautical Radar-Applications in Eastern Canada -- 1. INTRODUCTION -- 2. WAVE ALGORITHMS -- 3. WIND ALGORITHMS -- 4. EXPERIMENTAL RESULTS -- 5. CONCLUSION -- Acknowledgments -- REFERENCES -- Chapter 15 - Estimating Nearshore Bathymetry from X-Band Radar Data -- 1. INTRODUCTION: THE RADAR IMAGING OF SEA WAVES -- 2. SEA SURFACE CURRENT AND BATHYMETRY RECONSTRUCTION FROM RADAR DATA -- 3. INVERSION PROCEDURES -- 4. ESTIMATION RESULTS ON REAL-WORLD DATA -- 5. CONCLUSIONS -- Acknowledgments -- REFERENCES -- Chapter 16 - Wind, Wave, and Current Retrieval Utilizing X-Band Marine Radars -- 1. INTRODUCTION -- 2. WIND MEASUREMENTS -- 3. WAVE AND CURRENT MEASUREMENTS -- 4. SUMMARY -- REFERENCES -- Chapter 17 - Glider Salinity Correction for Unpumped CTD Sensors across a Sharp Thermocline -- 1. INTRODUCTION -- 2. A SHARP THERMOCLINE -- 3. METHODS -- 4. THERMAL LAG CORRECTION RESULTS -- 5. SUMMARY AND DISCUSSIONS -- Acknowledgments -- REFERENCES -- Chapter 18 - New Sensors for Ocean Observing: The Optical Phytoplankton Discriminator -- 1. INTRODUCTION -- 2. HISTORY OF THE OPD -- 3. METHODOLOGY -- 4. SYSTEMS LEVEL INTEGRATION -- 5. APPLICATIONS -- 6. VALIDATION AND RESULTS -- 7. FUTURE DEVELOPMENT/PLANS -- REFERENCES -- Chapter 19 - Observing System Impacts on Estimates of California Current Transport -- 1. INTRODUCTION -- 2. HISTORICAL ANALYSES OF THE CALIFORNIA CURRENT SYSTEM. , 3. QUANTIFYING THE IMPACT OF THE OBSERVATIONS ON OCEAN CIRCULATION ANALYSES -- 4. CONTROL VECTOR IMPACTS ON ALONGSHORE TRANSPORT -- 5. OBSERVATION IMPACTS ON ALONGSHORE TRANSPORT -- 6. SUMMARY AND CONCLUSIONS -- Acknowledgments -- REFERENCES -- Chapter 20 - Assimilation of HF Radar Observations in the Chesapeake-Delaware Bay Region Using the Navy Coastal Ocean Model ... -- 1. INTRODUCTION -- 2. HF RADAR OBSERVATIONS -- 3. THE MODEL -- 4. THE ASSIMILATION SYSTEM -- 5. EXPERIMENTS AND RESULTS -- 6. VALIDATION -- 7. CONCLUSION -- Acknowledgments -- REFERENCES -- Chapter 21 - System-Wide Monitoring Program of the National Estuarine Research Reserve System: Research and Monitoring to A ... -- 1. INTRODUCTION TO THE NERRS -- 2. INTRODUCTION TO THE NERRS SYSTEM-WIDE MONITORING PROGRAM -- 3. ABIOTIC SWMP COMPONENTS -- 4. BIOLOGIC SWMP COMPONENTS -- 5. HABITAT MAPPING AND CHANGE ANALYSIS -- 6. SENTINEL SITES PROGRAM FOR EVALUATING CLIMATE CHANGE IMPACTS -- 7. NERRS SWMP DATA MANAGEMENT -- 8. CONDITIONS ACROSS THE NERRS -- 9. DATA APPLICATIONS: WATER QUALITY ASSESSMENT, PUBLIC HEALTH -- 10. DATA APPLICATIONS: STORM SURGE -- 11. DATA APPLICATIONS: EDUCATION -- 12. SUMMARY, CONCLUSIONS, AND CHALLENGES -- REFERENCES -- Chapter 22 - Integrating Environmental Monitoring and Observing Systems in Support of Science to Inform Decision-Making: Ca ... -- 1. INTRODUCTION -- 2. ROLE OF MONITORING AND OBSERVING SYSTEMS IN THE SOUTHEAST -- 3. THE ROLE OF DATA MANAGEMENT TO SUPPORT COLLABORATION AND INTEGRATION -- 4. CASE STUDIES -- 5. CONCLUSIONS -- REFERENCES -- Chapter 23 - One System, Many Societal Benefits: Building an Efficient, Cost-Effective Ocean Observing System for the Gulf ... -- 1. ORIGIN OF THE GCOOS "SYSTEM OF SYSTEMS" CONSTRUCT -- 2. THE GULF OF MEXICO: NATIONAL TREASURE AND ECONOMIC DRIVER -- 3. A COMPREHENSIVE BLUEPRINT FOR MONITORING IN THE GULF OF MEXICO. , 4. CHALLENGES QUANTIFYING THE RETURN ON INVESTMENT OF A GULF OBSERVING SYSTEM -- 5. MYRIAD GULF ISSUES, ONE COMPREHENSIVE SYSTEM -- 6. SUMMARY -- Acknowledgments -- REFERENCES -- Index.
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  • 2
    Book
    Book
    Monitoring and modeling the deepwater horizon oil spill : a record-breaking enterprise (2011)
    Washington, DC : American Geophysical Union
    Details Availability
    Keywords: BP Deepwater Horizon Explosion and Oil Spill, 2010 ; Marine pollution Measurement ; Oil pollution of the sea Measurement ; Oil pollution of the sea Mathematical models ; Environmental monitoring ; Chemical oceanography ; Aufsatzsammlung ; Konferenzschrift ; Golf von Mexiko ; Erdölindustrie ; Bohrinsel ; Deepwater Horizon ; Ölpest ; Offshore-Vorkommen ; Ölunfall ; Meeresverschmutzung ; Fernerkundung ; Umweltanalytik ; Ölunfall ; Ausbreitung ; Schadstofftransport ; Modellierung ; Meeresströmung ; Luftströmung ; Golf von Mexiko ; Ölpest ; Monitorüberwachung
    Type of Medium: Book
    Pages: vii, 271 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 9780875904856
    Series Statement: Geophysical monograph 195
    URL: http://www.gbv.de/dms/goettingen/672684942.pdf
    URL: http://www.loc.gov/catdir/enhancements/fy1307/2011047061-d.html
    DDC: 363.11/9622338190916364
    Language: English
    Note: Includes bibliographical references and index
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  • 3
    Online Resource
    Online Resource
    Monitoring and Modeling the Deepwater Horizon Oil Spill : A Record Breaking Enterprise. (2011)
    Newark :American Geophysical Union,
    Details
    Keywords: BP Deepwater Horizon Explosion and Oil Spill, 2010. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (280 pages)
    Edition: 1st ed.
    ISBN: 9781118671825
    Series Statement: Geophysical Monograph Series ; v.195
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=1184591
    Language: English
    Note: Intro -- Title Page -- Contents -- Preface -- Introduction to Monitoring and Modeling the Deepwater Horizon Oil Spill -- NOAA's Satellite Monitoring of Marine Oil -- A New RST-Based Approach for Continuous Oil Spill Detection in TIR Range: The Case of the Deepwater Horizon Platform in the Gulf of Mexico -- Studies of the Deepwater Horizon Oil Spill With the UAVSAR Radar -- Absolute Airborne Thermal SST Measurements and Satellite Data Analysis From the Deepwater Horizon Oil Spill -- A High-Resolution Survey of a Deep Hydrocarbon Plume in the Gulf of Mexico During the 2010 Macondo Blowout -- Analyses of Water Samples From the Deepwater Horizon Oil Spill: Documentation of the Subsurface Plume -- Evaluation of Possible Inputs of Oil From the Deepwater Horizon Spill to the Loop Current and Associated Eddies in the Gulf of M -- Evolution of the Loop Current System During the Deepwater Horizon Oil Spill Event as Observed With Drifters and Satellites -- Impacts of Loop Current Frontal Cyclonic Eddies and Wind Forcing on the 2010 Gulf of Mexico Oil Spill -- Loop Current Observations During Spring and Summer of 2010: Description and Historical Perspective -- Airborne Ocean Surveys of the Loop Current Complex From NOAA WP-3D in Support of the Deepwater Horizon Oil Spill -- Trajectory Forecast as a Rapid Response to the Deepwater Horizon Oil Spill -- Tactical Modeling of Surface Oil Transport During the Deepwater Horizon Spill Response -- Surface Drift Predictions of the Deepwater Horizon Spill: The Lagrangian Perspective -- On the Effects of Wave-Induced Drift and Dispersion in the Deepwater Horizon Oil Spill -- Tracking Subsurface Oil in the Aftermath of the Deepwater Horizon Well Blowout -- Simulating Oil Droplet Dispersal From the Deepwater Horizon Spill With a Lagrangian Approach. , Oil Spill Risk Analysis Model and Its Application to the Deepwater Horizon Oil Spill Using Historical Current and Wind Data -- A Statistical Outlook for the Deepwater Horizon Oil Spill -- Possible Spreadings of Buoyant Plumes and Local Coastline Sensitivities Using Flow Syntheses From 1992 to 2007 -- Subsurface Trapping of Oil Plumes in Stratification: Laboratory Investigations -- AGU Category Index -- Index.
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  • 4
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    Abrupt Climate Transition from Snowball to Moist or Runaway Greenhouse, links to model results in NetCDF format (2017)
    PANGAEA
    In:  Supplement to: Yang, Jun; Ding, Feng; Ramirez, Ramses M; Peltier, W R; Hu, Yongyun; Liu, Yonggang (2017): Abrupt climate transition of icy worlds from snowball to moist or runaway greenhouse. Nature Geoscience, 10(8), 556-560, https://doi.org/10.1038/ngeo2994
    Details
    Publication Date: 2023-01-13
    Description: Ongoing and future space missions aim to identify potentially habitable planets in our Solar System and beyond. Planetary habitability is determined not only by a planet's current stellar insolation and atmospheric properties, but also by the evolutionary history of its climate. It has been suggested that icy planets and moons become habitable after their initial ice shield melts as their host stars brighten. Here we show from global climate model simulations that a habitable state is not achieved in the climatic evolution of those icy planets and moons that possess an inactive carbonate-silicate cycle and low concentrations of greenhouse gases. Examples for such planetary bodies are the icy moons Europa and Enceladus, and certain icy exoplanets orbiting G and F stars. We find that the stellar fluxes that are required to overcome a planet's initial snowball state are so large that they lead to significant water loss and preclude a habitable planet. Specifically, they exceed the moist greenhouse limit, at which water vapour accumulates at high altitudes where it can readily escape, or the runaway greenhouse limit, at which the strength of the greenhouse increases until the oceans boil away. We suggest that some icy planetary bodies may transit directly to a moist or runaway greenhouse without passing through a habitable Earth-like state.
    Keywords: File content; File format; File name; File size; Uniform resource locator/link to file
    Type: Dataset
    Format: text/tab-separated-values, 420 data points
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  • 5
    Electronic Resource
    Electronic Resource
    Snowball Earth prevention by dissolved organic carbon remineralization (2007)
    [s.l.] : Nature Publishing Group
    Nature 450 (2007), S. 813-818 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The ‘snowball Earth’ hypothesis posits the occurrence of a sequence of glaciations in the Earth’s history sufficiently deep that photosynthetic activity was essentially arrested. Because the time interval during which these events are believed to have occurred immediately preceded ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature06354
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  • 6
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    Coastal ocean wind fields gauged against the performance of an ocean circulation model (2010)
    American Geophysical Union
    Details
    Publication Date: 2022-05-25
    Description: Author Posting. © American Geophysical Union, 2004. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 31 (2004): L14303, doi:10.1029/2003GL019261.
    Description: Atmosphere model-derived flux fields are used to force coastal ocean models. Coarse resolution and incomplete boundary layer dynamics limit the accuracy of these forcing fields and hence the performance of the ocean models. We address this limitation for the west Florida shelf using optimal interpolation to blend winds measured in situ with winds produced by model analyses. By improving the coastal wind field we improve the fidelity between currents modeled and currents observed. Comparisons between momentum analyses performed independently from the model and the data demonstrate the fidelity to be of a correct dynamical basis. We conclude that the primary limitation to coastal ocean model performance lies with the boundary conditions.
    Description: Support was provided by the Office of Naval Research, Grant #s N00014-98-1-0158 and N00014-02-1-0972.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 7
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    Sea surface temperature patterns on the West Florida Shelf using growing hierarchical self-organizing maps (2010)
    American Meteorological Society
    Details
    Publication Date: 2022-05-25
    Description: Author Posting. © American Meteorological Society 2006. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Atmospheric and Oceanic Technology 23 (2006): 325–338, doi:10.1175/JTECH1848.1.
    Description: Neural network analyses based on the self-organizing map (SOM) and the growing hierarchical self-organizing map (GHSOM) are used to examine patterns of the sea surface temperature (SST) variability on the West Florida Shelf from time series of daily SST maps from 1998 to 2002. Four characteristic SST patterns are extracted in the first-layer GHSOM array: winter and summer season patterns, and two transitional patterns. Three of them are further expanded in the second layer, yielding more detailed structures in these seasons. The winter pattern is one of low SST, with isotherms aligned approximately along isobaths. The summer pattern is one of high SST distributed in a horizontally uniform manner. The spring transition includes a midshelf cold tongue. Similar analyses performed on SST anomaly data provide further details of these seasonally varying patterns. It is demonstrated that the GHSOM analysis is more effective in extracting the inherent SST patterns than the widely used EOF method. The underlying patterns in a dataset can be visualized in the SOM array in the same form as the original data, while they can only be expressed in anomaly form in the EOF analysis. Some important features, such as asymmetric SST anomaly patterns of winter/summer and cold/warm tongues, can be revealed by the SOM array but cannot be identified in the lowest mode EOF patterns. Also, unlike the EOF or SOM techniques, the hierarchical structure in the input data can be extracted by the GHSOM analysis.
    Description: Support was provided by the Office of Naval Research under Grant N00014-98-1-0158 for observations and modeling of the west Florida continental shelf circulation and Grant N00014-02-1-0972 for the Southeast Atlantic Coastal Ocean Observing System.
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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  • 8
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    Physical characteristics and evolution of a long-lasting mesoscale cyclonic eddy in the Straits of Florida (2022)
    Frontiers Media
    Details
    Publication Date: 2022-10-20
    Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Zhang, Y., Hu, C., Kourafalou, V., Liu, Y., McGillicuddy, D., Barnes, B., & Hummon, J. Physical characteristics and evolution of a long-lasting mesoscale cyclonic eddy in the Straits of Florida. Frontiers in Marine Science, 9, (2022): 779450, https://doi.org/10.3389/fmars.2022.779450.
    Description: Ocean eddies along the Loop Current (LC)/Florida Current (FC) front have been studied for decades, yet studies of the entire evolution of individual eddies are rare. Here, satellite altimetry and ocean color observations, Argo profiling float records and shipborne acoustic Doppler current profiler (ADCP) measurements, together with high-resolution simulations from the global Hybrid Coordinate Ocean Model (HYCOM) are used to investigate the physical and biochemical properties, 3-dimensional (3-D) structure, and evolution of a long-lasting cyclonic eddy (CE) in the Straits of Florida (SoF) along the LC/FC front during April–August 2017. An Angular Momentum Eddy Detection Algorithm (AMEDA) is used to detect and track the CE during its evolution process. The long-lasting CE is found to form along the eastern edge of the LC on April 9th, and remained quasi-stationary for about 3 months (April 23 to July 15) off the Dry Tortugas (DT) until becoming much smaller due to its interaction with the FC and topography. This frontal eddy is named a Tortugas Eddy (TE) and is characterized with higher Chlorophyll (Chl) and lower temperature than surrounding waters, with a mean diameter of ∼100 km and a penetrating depth of ∼800 m. The mechanisms that contributed to the growth and evolution of this long-lasting TE are also explored, which reveal the significant role of oceanic internal instability.
    Description: This work was supported by the NASA student fellowship program “Future Investigators in NASA Earth and Space Science and Technology” (FINESST, 80NSSC19K1358), the National Academies of Sciences, Engineering and Medicine (NASEM) UGOS-1 (2000009918), the NOAA IOOS SECOORA Program [IOOS.21(097)USF.BW.OBS.1], and the NOAA RESTORE Science Program (NA17NOS4510099).
    Keywords: Satellite altimetry ; Ocean color ; Argo profiling float ; ADCP ; Global HYCOM ; Cyclonic eddy ; Straits of Florida ; Dry Tortugas
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 9
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    AMOC and Climate Responses to Dust Reduction and Greening of Sahara during the Mid-Holocene (2021)
    AMS (American Meterological Society)
    Details
    Publication Date: 2024-02-07
    Description: North Africa was green during the mid-Holocene [about 6000 years ago (6 ka)] and emitted much less dust to the atmosphere than in the present day. Here we use a fully coupled atmosphere–ocean general circulation model, CESM1.2.2, to test the impact of dust reduction and greening of the Sahara on the Atlantic meridional overturning circulation (AMOC) during this period. Results show that dust removal leads to a decrease of AMOC by 6.2% while greening of the Sahara with 100% shrub (100% grass) cover causes an enhancement of the AMOC by 6.1% (4.8%). The AMOC is increased by 5.3% (2.3%) when both the dust reduction and green Sahara with 100% shrub (100% grass) are considered. The AMOC changes are primarily due to the precipitation change over the west subtropical North Atlantic, from where the salinity anomaly is advected to the deep-water formation region. Global-mean surface temperature increases by 0.09° and 0.40°C (0.25°C) when global dust is removed and when North Africa and the Arabian region are covered by shrub (grass), respectively, showing a dominating effect of vegetation over dust. The comparison between modeled and reconstructed sea surface temperature is improved when the effect of vegetation is considered. The results may have implications for climate impact of future wetting over North Africa, either through global warming or through building of solar farms and wind farms.
    Type: Article , PeerReviewed
    Format: text
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 10
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    Altitude of the East Asian Coastal Mountains and Their Influence on Asian Climate During Early Late Cretaceous (2021)
    AGU (American Geophysical Union) | Wiley
    Details
    Publication Date: 2024-02-07
    Description: The East Asian coastal mountains have been in place during the Late Cretaceous times, thus substantially influencing the Asian climate. So far, their altitude is uncertain. Here we investigate the influence of such mountains on Asian climate using an atmosphere-ocean general circulation model, Community Earth System Model version 1.2.2. Simulation results show that extensive deserts would develop over the eastern part of the East Asia if the altitude of the coastal mountains was greater than 2 km. This is due to the pumping effect of the coastal mountains which deprives the moisture from the East Asian interior during summer and autumn, leading to less precipitation and greater potential evapotranspiration. The existence of extensive desert areas would be more consistent with the presented Asian paleoenvironmental reconstructions. Therefore, our results independently indicate that the altitude of the coastal mountains had attained 2 km or more by the early Late Cretaceous.
    Type: Article , PeerReviewed
    Format: text
    Format: other
    Format: other
    Format: other
    Format: other
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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