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Library Digital Collections

Data from: Unexpected failure of regional marine cloud brightening in a warmer world

Component

Readme

File Size
  • 7.54 KB
File Format
  • Plain text
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MBC seeding mask

Subtropical

File Size
  • 5.08 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical Pacific seeding mask, 2% ocean area, rank by liquid cloud amount from Community Earth System Model (CESM) Large Ensemble 2 (LENS2) 2000-2009 climatology, Mar-Nov seeding. Forcing is imposed repeatedly each model year according to this MCB mask for the subtropical MCB simulations.

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Mid-latitude

File Size
  • 5.08 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude Pacific seeding mask, 2% ocean area, rank by liquid cloud amount from Community Earth System Model (CESM) Large Ensemble 2 (LENS2) 2000-2009 climatology, Mar-Nov seeding. Forcing is imposed repeatedly each model year according to this MCB mask for the mid-latitude MCB simulations.

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2050 monthly atmospheric (simulation years 56-85)

Control (no MCB)

File Size
  • 25.9 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2050 cyclical emissions, monthly atmospheric variables, simulation years 56-85.

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Subtropical (MCB)

File Size
  • 25.9 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2050 cyclical emissions, monthly atmospheric variables, simulation years 56-85.

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Mid-latitude (MCB)

File Size
  • 25.9 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2050 cyclical emissions, monthly atmospheric variables, simulation years 56-85.

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2010 monthly atmospheric (simulation years 21-50)

Control (no MCB)

File Size
  • 25.9 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2010 cyclical emissions, monthly atmospheric variables, simulation years 21-50.

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Subtropical (MCB)

File Size
  • 25.9 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2010 cyclical emissions, monthly atmospheric variables, simulation years 21-50.

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Mid-latitude (MCB)

File Size
  • 25.9 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2010 cyclical emissions, daily atmospheric variables, simulation years 21-50.

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2050 daily atmospheric (simulation years 56-85)

Control (no MCB)

File Size
  • 31.6 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2050 cyclical emissions, daily atmospheric variables, simulation years 56-85.

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Subtropical (MCB)

File Size
  • 31.6 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2050 cyclical emissions, daily atmospheric variables, simulation years 56-85.

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Mid-latitude (MCB)

File Size
  • 31.6 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2050 cyclical emissions, daily atmospheric variables, simulation years 56-85.

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2010 daily atmospheric (simulation years 21-50)

Control (no MCB)

File Size
  • 31.6 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2010 cyclical emissions, daily atmospheric variables, simulation years 21-50.

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Subtropical (MCB)

File Size
  • 31.6 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2010 cyclical emissions, daily atmospheric variables, simulation years 21-50.

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Mid-latitude (MCB)

File Size
  • 31.6 GB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2010 cyclical emissions, daily atmospheric variables, simulation years 21-50.

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2050 monthly ocean (simulation years 56-85)

Control (no MCB)

File Size
  • 375 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2050 cyclical emissions, monthly ocean variables, simulation years 56-85.

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Subtropical (MCB)

File Size
  • 375 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2050 cyclical emissions, monthly ocean variables, simulation years 56-85.

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Mid-latitude (MCB)

File Size
  • 375 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2050 cyclical emissions, monthly ocean variables, simulation years 56-85.

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2010 monthly ocean (simulation years 56-85 and 21-50)

Control (no MCB) (simulation years 56-85)

File Size
  • 375 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2010 cyclical emissions, monthly ocean variables, simulation years 56-85.

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Subtropical (MCB) (simulation years 21-50)

File Size
  • 375 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2010 cyclical emissions, monthly ocean variables, simulation years 21-50.

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Mid-latitude (MCB) (simulation years 21-50)

File Size
  • 375 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2010 cyclical emissions, monthly ocean variables, simulation years 21-50.

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2050 monthly atmospheric (simulation years 55-85; MCB starts after 55 years of control branch spin up)

Control (no MCB)

File Size
  • 668 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2050 cyclical emissions, monthly atmospheric variables, simulation years 55-58.

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Subtropical (MCB)

File Size
  • 668 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2050 cyclical emissions, monthly atmospheric variables, simulation years 55-58, MCB starts after 55 years of control branch spin up.

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Mid-latitude (MCB)

File Size
  • 668 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2050 cyclical emissions, monthly atmospheric variables, simulation years 55-58, MCB starts after 55 years of control branch spin up.

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2010 monthly atmospheric (simulation years 1-4)

Control (no MCB)

File Size
  • 668 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2010 cyclical emissions, monthly atmospheric variables, simulation years 1-4.

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Subtropical (MCB)

File Size
  • 668 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2010 cyclical emissions, monthly atmospheric variables, simulation years 1-4.

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Mid-latitude (MCB)

File Size
  • 668 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2010 cyclical emissions, monthly atmospheric variables, simulation years 1-4.

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2050 monthly TREFHT (simulation years 1-85)

Control (no MCB)

File Size
  • 215 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2050 cyclical emissions, monthly reference height (2 m) temperature (TREFHT), simulation years 1-85.

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Subtropical (MCB)

File Size
  • 215 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2050 cyclical emissions, monthly reference height (2 m) temperature (TREFHT), simulation years 1-85.

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Mid-latitude (MCB)

File Size
  • 215 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2050 cyclical emissions, monthly reference height (2 m) temperature (TREFHT), simulation years 1-85.

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2010 monthly TREFHT (simulation years 1-50)

Control (no MCB)

File Size
  • 127 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Control (no MCB) case, 2010 cyclical emissions, monthly reference height (2 m) temperature (TREFHT), simulation years 1-50.

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Subtropical (MCB)

File Size
  • 127 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Subtropical MCB case, 2010 cyclical emissions, monthly reference height (2 m) temperature (TREFHT), simulation years 1-50.

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Mid-latitude (MCB)

File Size
  • 122 MB
File Format
  • Hierarchical Data Format (version 5) data
Description

Mid-latitude MCB case, 2010 cyclical emissions, monthly reference height (2 m) temperature (TREFHT), simulation years 1-50.

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Collection
Cite This Work

Wan, Jessica S.; Chen, Chih-Chieh-Jack; Tilmes, Simone; Luongo, Matthew T.; Richter, Jadwiga H.; Ricke, Katharine (2023). Data from: Unexpected failure of regional marine cloud brightening in a warmer world. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0HQ4036

Description

Abstract:
Marine cloud brightening (MCB) is a proposed method of cooling global temperatures to reduce some effects of climate change. In this study, we investigate the efficacy of regional marine cloud brightening in the North Pacific for mitigating extreme heat in Western North America. We find cloud brightening in the remote mid-latitudes cools more over our target region than brightening in a proximate subtropical region, but both reduce the relative risk of summer heat exposure under present-day conditions by up to 39% and 25% respectively. However, nonlinear climate responses to the same interventions under mid-century warming produce hotter rather than cooler summers. This result demonstrates the risks in assuming that regional interventions effective under certain conditions will remain effective as the climate continues to change.

Scope And Content

This data set is the pre-peer review version of https://doi.org/10.6075/J0WW7HW0.

Creation Date
  • 2022-04 to 2023-04
Date Issued
  • 2023
Authors
Advisor
Technical Details

Model output generated using the Community Earth System Model (CESM) version 2.2: National Center for Atmospheric Research (NCAR), Boulder, CO, USA.
Data analysis conducted using Python version 3.8.2.

Required libraries to run Python code can be reproduced from the conda environment file: https://github.com/j4wan/wna-regional-mcb/blob/4ba41843fb508a0c30c2c8e53597539c932b7892/ncar-ecip-env.txt

Funding

National Center for Atmospheric Research Early Career Faculty Innovator Program Cooperative Agreement Number 1755088
National Defense Science and Engineering Graduate Fellowship Program.

Geographics
Topics

Formats

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Language
  • English
Identifier

Identifier: Chih-Chieh-Jack Chen: https://orcid.org/0000-0002-4819-2510

Identifier: Jadwiga H. Richter: https://orcid.org/0000-0001-7048-0781

Identifier: Jessica S. Wan: https://orcid.org/0000-0003-3757-6436

Identifier: Katharine Ricke: https://orcid.org/0000-0002-2780-7213

Identifier: Matthew T. Luongo: https://orcid.org/0000-0002-2996-7579

Identifier: Simone Tilmes: https://orcid.org/0000-0002-6557-3569

Related Resources

    Software

    Newer version

    • Wan, Jessica S.; Chen, Chih-Chieh-Jack; Tilmes, Simone; Luongo, Matthew T.; Richter, Jadwiga H.; Ricke, Katharine (2024). Data from: Diminished efficacy of regional marine cloud brightening in a warmer world. UC San Diego Library Digital Collections. https://doi.org/10.6075/J0WW7HW0

    Reference

    • Center for International Earth Science Information Network - CIESIN - Columbia University. (2018): Gridded Population of the World, Version 4 (GPWv4): Population Count, Revision 11. NASA Socioeconomic Data and Applications Center (SEDAC). Accessed 21 October 2022. https://doi.org/10.7927/H4JW8BX5

    • Gao, J. (2020): Global 1-km Downscaled Population Base Year and Projection Grids Based on the Shared Socioeconomic Pathways, Revision 01. NASA Socioeconomic Data and Applications Center (SEDAC). Accessed 4 January 2023. https://doi.org/10.7927/q7z9-9r69

    • Hersbach, H., Bell, B., Berrisford, P., Biavati, G., Horányi, A., Muñoz Sabater, J., Nicolas, J., Peubey, C., Radu, R., Rozum, I., Schepers, D., Simmons, A., Soci, C., Dee, D., Thépaut, J-N. (2023): ERA5 monthly averaged data on single levels from 1940 to present. Copernicus Climate Change Service (C3S) Climate Data Store (CDS). Accessed on 20 March 2023. https://doi.org/10.24381/cds.f17050d7

    • W. B. Rossow, A. Walker, V. Golea, K. R. Knapp, A. Young, A. Inamdar, B. Hankins, NOAA’s Climate Data Record Program, Climate Data Record Program (2016): International Satellite Cloud Climatology Project Climate Data Record, H-Series Basic HGM. NOAA Natl. Cent. Environ. Inf. Accessed 24 March 2023. https://doi.org/10.7289/V5QZ281S

License

Creative Commons Attribution 4.0 International Public License

Rights Holder
  • UC Regents
Copyright

Under copyright (US)

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Digital Object Made Available By

Research Data Curation Program, UC San Diego, La Jolla, 92093-0175 (https://lib.ucsd.edu/rdcp)

Last Modified

2024-07-12