[Keyword='climate change']
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Northern Hemisphere Temperature Reconstruction for the Past Millennium Entry ID: NOAA_NCDC_PALEO_1999-014 |
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Summary
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Abstract:
Abstract (from the online documentation): Building on recent studies, we attempt hemispheric temperature reconstructions with proxy data networks for the past millennium. We focus not just on the reconstructions, but the uncertainties therein, and important caveats. Though expanded uncertainties prevent decisive conclusions for the period prior to AD 1400, our results suggest that the latter 20th century is anomalous in the context of at least the past millennium. The 1990s was the warmest decade, and 1998 the warmest year, at moderately high levels of confidence. The 20th century warming counters a millennial-scale cooling trend which is consistent with long-term astronomical forcing. |
Related URL
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Link:
GET DATA
Description: Access to 1999-014 data sets Link: VIEW RELATED INFORMATION Description: Data set documentation for 1999-014 Link: VIEW RELATED INFORMATION Description: Data set documentation, preprints and access to data |
Geographic Coverage
| N: 90.0 | S: 0.0 | E: 180.0 | W: -180.0 |
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Data Set Citation
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Dataset Originator/Creator:
Michael E. Mann, Raymond S. Bradley, and Malcolm K. Hughes
Dataset Title: Northern Hemisphere Temperature Reconstruction for the Past Millennium Dataset Series Name: IGBP PAGES/WDC CONTRIBUTION SERIES NUMBER: 1999-014 Dataset Release Date: March 1999 Dataset Release Place: Boulder, CO Dataset Publisher: IGBP PAGES/World Data Center for Paleoclimatology Issue Identification: 1999-014 Other Citation Details: NOAA/NCDC Paleoclimatology Program Online Resource: http://www.ncdc.noaa.gov/paleo/pubs/mann_99.html |
Temporal Coverage
| Start Date: 1000-01-01 |
| Stop Date: 1998-12-31 |
Paleo_Temporal_Coverage
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Paleo Start Date:
1000 ybp
Paleo Stop Date: 0 ybp Chrono Unit: |
Location Keywords
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GEOGRAPHIC REGION
> NORTHERN HEMISPHERE
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Science Keywords
| ATMOSPHERE >ATMOSPHERIC TEMPERATURE >SURFACE AIR TEMPERATURE [Definition] |
| BIOSPHERE >VEGETATION >TREE RINGS [Definition] |
| PALEOCLIMATE >LAND RECORDS >TREE RINGS [Definition] |
| PALEOCLIMATE >PALEOCLIMATE RECONSTRUCTIONS >AIR TEMPERATURE RECONSTRUCTION [Definition] |
ISO Topic Category
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BIOTA
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE GEOSCIENTIFIC INFORMATION |
Project
| PAGES >Past Global Changes, IGBP [Information] |
Keywords
| temperature reconstruction |
| climate change |
| proxy data |
Data Set Progress
| COMPLETE |
Originating Center
| NOAA/NCDC |
Data Center
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World Data Center for Paleoclimatology, Boulder
[Information]
Data Center URL: http://www.ncdc.noaa.gov/paleo/
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Distribution
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Distribution_Media:
online ftp
Distribution_Format: ascii Fees: none |
Personnel
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MICHAEL
E.
MANN Role: INVESTIGATOR Email: mann at psu.edu |
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RAYMOND
S.
BRADLEY Role: INVESTIGATOR Email: rbradley at geo.umass.edu Contact Address: Department of Geosciences University of Massachusetts City: Amherst Province or State: Massachusetts Postal Code: 01003 Country: USA |
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MALCOLM
K.
HUGHES Role: INVESTIGATOR Email: mhughes at ltrr.arizona.edu Contact Address: School of Natural Resources 325 Biosciences East City: Tucson Province or State: AZ Postal Code: 85721-0077 Country: USA |
Publications/References
Michael E. Mann, Raymond S. Bradley, and Malcolm K. Hughes, 1999, Northern
Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties,
and Limitations, Geophysical Research Letters Vol. 26 , No. 6 , p. 759, March
15, 1999.
Hemisphere Temperatures During the Past Millennium: Inferences, Uncertainties,
and Limitations, Geophysical Research Letters Vol. 26 , No. 6 , p. 759, March
15, 1999.
Creation and Review Dates
DIF Creation Date:
2004-03-30
Last DIF Revision Date:
2012-08-31
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