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Supplementary data, code, and information for ‘Multidecadal climate oscillations during the past millennium driven by volcanic forcing’ (Science, Mann et al. 2021)
Identification_Information:
Citation:
Citation_Information:
Originator:The Pennsylvania State University
Publication_Date:2021
Title:
Supplementary data, code, and information for ‘Multidecadal climate oscillations during the past millennium driven by volcanic forcing’ (Science, Mann et al. 2021)
Other_Citation_Details:
Mann, M.E., Steinman, B.A., Brouillette, D.J., Miller, S.K., Multidecadal Climate Oscillations During the Past Millennium Driven by Volcanic Forcing, Science, 371, 1014–1019, 2021. DOI: 10.1126/science.abc5810
Online_Linkage: http://www.datacommons.psu.edu
Description:
Abstract: 
Past research argues for an internal multidecadal (40-60 year) oscillation distinct from climate noise. Recent studies have argued this so-termed Atlantic Multidecadal Oscillation (“AMO”) is instead a manifestation of competing time-varying effects of anthropogenic greenhouse gases and sulfate aerosols. That conclusion is bolstered by the absence of robust multidecadal climate oscillations in control simulations of current-generation models. Paleoclimate data, however, do demonstrate multidecadal oscillatory behavior during the pre-industrial era. Comparing control and forced “last millennium” simulations, we show that these apparent multidecadal oscillations are an artifact of pulses of volcanic activity during the pre-industrial era that project significantly onto the multidecadal (50-70 year) frequency band. We conclude that there is no compelling evidence for internal multidecadal oscillations in the climate system
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date:2021
Currentness_Reference: 
publication date
Keywords:
Theme:
Theme_Keyword_Thesaurus:ISO 19115 Topic Categories
Theme_Keyword:climatologyMeteorologyAtmosphere
Theme_Keyword:environment
Theme_Keyword:Ice sheet modeling
Theme_Keyword:Ice shelf oceanic melting
Theme_Keyword:Ice shelf cavity circulation
Theme_Keyword:Climate
Theme_Keyword:climate variability
Theme_Keyword: internal variability
Theme_Keyword:Atlantic Multidecadal Oscillation
Theme_Keyword:volcano
Access_Constraints:None.
Use_Constraints: 
The University excludes any and all implied warranties, including warranties or merchantability and fitness for a particular purpose.
The University makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance.
The University will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
The USER is granted permission to translate and add value to the FILES for the use of the FILES on its computer hardware; provided, however, that the USER annually notify the University of any customizing or value-adding work done.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person:Michael E. Mann
Contact_Organization:Penn State
Contact_Address:
Address_Type:mailing and physical address
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Electronic_Mail_Address:mem45@psu.edu
Contact Instructions: 
Michael E. Mann (PI), Byron A. Steinman (co-PI), Daniel J. Brouillette, Sonya K. Miller
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State Data Commons
Contact_Address:
Address_Type:mailing and physical address
Address: 
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:(814) 865 - 8792
Contact_Electronic_Mail_Address:datacommons@psu.edu
Distribution_Liability: 
The USER shall indemnify, save harmless, and, if requested, defend those parties involved with the development and distribution of this data, their officers, agents, and employees from and against any suits, claims, or actions for injury, death, or property damage arising out of the use of or any defect in the FILES or any accompanying documentation. Those parties involved with the development and distribution excluded any and all implied warranties, including warranties or merchantability and fitness for a particular purpose and makes no warranty or representation, either express or implied, with respect to the FILES or accompanying documentation, including its quality, performance, merchantability, or fitness for a particular purpose. The FILES and documentation are provided "as is" and the USER assumes the entire risk as to its quality and performance. Those parties involved with the development and distribution of this data will not be liable for any direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the FILES or any accompanying documentation.
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Metadata_Reference_Information:
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:Penn State Data Commons
Contact_Position:Metadata Coordinator
Contact_Address:
Address_Type:mailing address
Address: 
115 Land and Water Building
City:University Park
State_or_Province:Pennsylvania
Postal_Code:16802
Country:United States
Contact_Voice_Telephone:814-865-8792
Contact_Electronic_Mail_Address:datacommons@psu.edu
Metadata_Standard_Name:FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version:FGDC-STD-001-1998
Metadata_Time_Convention:local time
Metadata_Extensions:
Profile_Name:ESRI Metadata Profile
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