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  • 1
    Online Resource
    Online Resource
    Cham : Springer International Publishing
    Keywords: Climatic changes ; Climatic changes ; Electronic books
    Description / Table of Contents: Contents -- 1 International Space Science Institute (ISSI) Workshop on Integrative Study of the Mean Sea Level and its Components -- References -- Part I Observations & Contributors to Sea Level -- 2 Satellite Altimetry-Based Sea Level at Global and Regional Scales -- Abstract -- Introduction -- Brief History of Satellite Altimetry Missions -- The ESA Climate Change Initiative and the Sea Level ECV -- The Sea Level Record from High-Precision Satellite Altimetry Missions -- Geophysical Corrections Applied to the SSH Measurements -- Gridding Process -- Global Mean Sea Level Rise Characteristics -- Global Mean Sea Level Uncertainties -- Regional Sea Level -- Spatial Trend Patterns in Sea Level -- Uncertainties at Regional Scale -- New Arctic Products -- Validation and Error Assessment of CCI Products at Global and Regional Scales -- Validation with Tide Gauges -- Validation Using Argo Floats -- Regional Validation -- The CCI Sea Level Project: A Summary -- Conclusions -- Acknowledgments -- References -- 3 Monitoring Sea Level in the Coastal Zone with Satellite Altimetry and Tide Gauges -- Abstract -- Introduction -- Monitoring Sea Level with Tide Gauges -- Monitoring Sea Level with Coastal Satellite Altimetry -- Strategies for Improving the Coastal Altimetry Data -- The Potential of New Altimetric Technologies in the Coastal Zone -- Ka-Band Altimetry: AltiKa -- SAR Mode Altimetry: CryoSat-2 -- A Case Study Around the Coast of the UK -- Evolution of Sea Level Trend from the Open to the Coastal Ocean -- Summary and Conclusions -- Acknowledgements -- References -- 4 Uncertainties in Steric Sea Level Change Estimation During the Satellite Altimeter Era: Concepts and Practices -- Abstract -- Introduction -- Basic Concepts -- Calculating Steric Sea level -- Equation of State -- Uncertainty in Steric Sea Level Change -- Importance of Uncertainty
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (408 pages)
    ISBN: 9783319564906
    Series Statement: Space Sciences Series of ISSI v.58
    DDC: 550
    Language: English
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  • 2
    Publication Date: 2023-01-30
    Description: The data file contains projections for area and mass change of glaciers on the global scale, from 11 different glacier models, forced by 10 different climate models, under 4 different scenarios. The values are specified by regions, following the region definition of the Randolph Glacier Inventory (https://www.glims.org/RGI/). Values are given annually for the years 2000 to 2100. The data were produced in the second experiment of the Glacier Model Intercomparison Project, based on standardized boundary and initial conditions (http://www.climate-cryosphere.org/mips/glaciermip/activities-experiments).
    Keywords: glacier; intercomparison; projection; sea level; sea-level rise
    Type: Dataset
    Format: application/x-netcdf, 15 MBytes
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  • 3
    Publication Date: 2022-09-26
    Description: The land ice contribution to global mean sea level rise has not yet been predicted1 using ice sheet and glacier models for the latest set of socio-economic scenarios, nor using coordinated exploration of uncertainties arising from the various computer models involved. Two recent international projects generated a large suite of projections using multiple models2,3,4,5,6,7,8, but primarily used previous-generation scenarios9 and climate models10, and could not fully explore known uncertainties. Here we estimate probability distributions for these projections under the new scenarios11,12 using statistical emulation of the ice sheet and glacier models. We find that limiting global warming to 1.5 degrees Celsius would halve the land ice contribution to twenty-first-century sea level rise, relative to current emissions pledges. The median decreases from 25 to 13 centimetres sea level equivalent (SLE) by 2100, with glaciers responsible for half the sea level contribution. The projected Antarctic contribution does not show a clear response to the emissions scenario, owing to uncertainties in the competing processes of increasing ice loss and snowfall accumulation in a warming climate. However, under risk-averse (pessimistic) assumptions, Antarctic ice loss could be five times higher, increasing the median land ice contribution to 42 centimetres SLE under current policies and pledges, with the 95th percentile projection exceeding half a metre even under 1.5 degrees Celsius warming. This would severely limit the possibility of mitigating future coastal flooding. Given this large range (between 13 centimetres SLE using the main projections under 1.5 degrees Celsius warming and 42 centimetres SLE using risk-averse projections under current pledges), adaptation planning for twenty-first-century sea level rise must account for a factor-of-three uncertainty in the land ice contribution until climate policies and the Antarctic response are further constrained.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 4
    Publication Date: 2024-02-07
    Description: The land ice contribution to global mean sea level rise has not yet been predicted1 using ice sheet and glacier models for the latest set of socio-economic scenarios, nor using coordinated exploration of uncertainties arising from the various computer models involved. Two recent international projects generated a large suite of projections using multiple models2,3,4,5,6,7,8, but primarily used previous-generation scenarios9 and climate models10, and could not fully explore known uncertainties. Here we estimate probability distributions for these projections under the new scenarios11,12 using statistical emulation of the ice sheet and glacier models. We find that limiting global warming to 1.5 degrees Celsius would halve the land ice contribution to twenty-first-century sea level rise, relative to current emissions pledges. The median decreases from 25 to 13 centimetres sea level equivalent (SLE) by 2100, with glaciers responsible for half the sea level contribution. The projected Antarctic contribution does not show a clear response to the emissions scenario, owing to uncertainties in the competing processes of increasing ice loss and snowfall accumulation in a warming climate. However, under risk-averse (pessimistic) assumptions, Antarctic ice loss could be five times higher, increasing the median land ice contribution to 42 centimetres SLE under current policies and pledges, with the 95th percentile projection exceeding half a metre even under 1.5 degrees Celsius warming. This would severely limit the possibility of mitigating future coastal flooding. Given this large range (between 13 centimetres SLE using the main projections under 1.5 degrees Celsius warming and 42 centimetres SLE using risk-averse projections under current pledges), adaptation planning for twenty-first-century sea level rise must account for a factor-of-three uncertainty in the land ice contribution until climate policies and the Antarctic response are further constrained.
    Type: Article , PeerReviewed
    Format: text
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