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Ensemble Kalman Fitting Paleo-Reanalysis Version 2.0 (EKF400_v2.0)
EKF400 version 2 is a monthly resolved paleo-reanalysis covering the period 1603 to 2003. Early instrumental temperature, surface pressure and precipitation (new in version 2) observations, temperature indices derived from historical documents and temperature and moisture sensitive tree-ring measurements (largely increased number in version 2) were assimilated into an atmospheric general circulation model ensemble using a Kalman filtering technique. This data set combines the advantage of traditional reconstruction methods of being as close as possible to observations with the advantage of climate models of being physically consistent and having 3-dimensional information about the global state of the atmosphere at 2x2 degree resolution for various variables and at all points in time.
While version 1 was using time-dependent covariances from the 30-member ensemble, version 2 uses a blended covariance matrix. It consists of 50% time-dependent and 50% climatological covariances. This leads to a better covariance estimation, not only between various locations in space but in between various variables, too.
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Citation proposal
Dr. Jörg Franke (Institute of Geography and Oeschger Centre for Climate Change Research) - Dr. Veronika Valler (Institute of Geography and Oeschger Centre for Climate Change Research) - Yuri Brugnara (Institute of Geography and Oeschger Centre for Climate Change Research) - Stefan Brönnimann (Institute of Geography and Oeschger Centre for Climate Change Research). Ensemble Kalman Fitting Paleo-Reanalysis Version 2.0 (EKF400_v2.0). https://gdk.gdi-de.org/geonetwork/srv/api/records/de.dkrz.wdcc.iso3879249 |
INSPIRE
Identification
- File identifier
- de.dkrz.wdcc.iso3879249 XML
- Hierarchy level
- series Series
Online resource
Resource identifier
- code
- None
- Metadata language
- eng English
Encoding
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- NetCDF
- Version
- network Common Data Format
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Classification of data and services
Coupled resource
Coupled resource
Classification of data and services
Coupled resource
Coupled resource
Keywords
Other keywords
- Keywords ( Theme )
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- data assimilation
- Keywords ( Theme )
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- tree ring proxy data
Geographic coverage
))
Temporal reference
Temporal extent
- Begin
- 1602-01-15
- End
- 2003-12-15
Temporal extent
- Date ( Creation )
- 2020-06-23
Quality and validity
Conformity
Conformity
Conformity
Conformity
Conformity
Conformity
Restrictions on access and use
Restrictions on access and use
Responsible organization (s)
Contact for the resource
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
Responsible organization (s)
Contact for the resource
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
Metadata information
Contact for the metadata
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Organisation name
- Institute of Geography and Oeschger Centre for Climate Change Research
- Date stamp
- 2021-10-23T04:39:24
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Conformance class 3: harmonized
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