Articles | Volume 12, issue 6
https://doi.org/10.5194/cp-12-1375-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-12-1375-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
24 Jun 2016
Research article |
| 24 Jun 2016
Multi-timescale data assimilation for atmosphere–ocean state estimates
Nathan Steiger
CORRESPONDING AUTHOR
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, USA
Gregory Hakim
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
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19 citations as recorded by crossref.
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- Widespread cooling over West Antarctica and adjacent seas over the past millennium Z. Lyu et al. 10.1016/j.gloplacha.2023.104237
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- FYRE Climate: a high-resolution reanalysis of daily precipitation and temperature in France from 1871 to 2012 A. Devers et al. 10.5194/cp-17-1857-2021
- cfr (v2024.1.26): a Python package for climate field reconstruction F. Zhu et al. 10.5194/gmd-17-3409-2024
- Coupled Atmosphere–Ocean Reconstruction of the Last Millennium Using Online Data Assimilation W. Perkins & G. Hakim 10.1029/2020PA003959
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- The last millennium climate reanalysis project: Framework and first results G. Hakim et al. 10.1002/2016JD024751
18 citations as recorded by crossref.
- BAYSPLINE: A New Calibration for the Alkenone Paleothermometer J. Tierney & M. Tingley 10.1002/2017PA003201
- A continental reconstruction of hydroclimatic variability in South America during the past 2000 years M. Choblet et al. 10.5194/cp-20-2117-2024
- A pseudoproxy assessment of data assimilation for reconstructing the atmosphere–ocean dynamics of hydroclimate extremes N. Steiger & J. Smerdon 10.5194/cp-13-1435-2017
- Simple noise estimates and pseudoproxies for the last 21 000 years O. Bothe et al. 10.5194/essd-11-1129-2019
- STUDY ON SPATIOTEMPORAL CHARACTERISTIC OF OBSERVATION IMPACT IN PROXY DATA ASSIMILATION S. SHOJI et al. 10.2208/jscejhe.74.5_I_49
- Widespread cooling over West Antarctica and adjacent seas over the past millennium Z. Lyu et al. 10.1016/j.gloplacha.2023.104237
- A reconstruction of global hydroclimate and dynamical variables over the Common Era N. Steiger et al. 10.1038/sdata.2018.86
- Reconstructing East African rainfall and Indian Ocean sea surface temperatures over the last centuries using data assimilation F. Klein & H. Goosse 10.1007/s00382-017-3853-0
- Atmospheric dynamics drive most interannual U.S. droughts over the last millennium M. Erb et al. 10.1126/sciadv.aay7268
- Towards high-resolution climate reconstruction using an off-line data assimilation and COSMO-CLM 5.00 model B. Fallah et al. 10.5194/cp-14-1345-2018
- An Artificial Neural Networks‐Based Tree Ring Width Proxy System Model for Paleoclimate Data Assimilation M. Fang & X. Li 10.1029/2018MS001525
- FYRE Climate: a high-resolution reanalysis of daily precipitation and temperature in France from 1871 to 2012 A. Devers et al. 10.5194/cp-17-1857-2021
- cfr (v2024.1.26): a Python package for climate field reconstruction F. Zhu et al. 10.5194/gmd-17-3409-2024
- Coupled Atmosphere–Ocean Reconstruction of the Last Millennium Using Online Data Assimilation W. Perkins & G. Hakim 10.1029/2020PA003959
- Reconstructing Holocene temperatures in time and space using paleoclimate data assimilation M. Erb et al. 10.5194/cp-18-2599-2022
- Solar and volcanic forcing of North Atlantic climate inferred from a process-based reconstruction J. Sjolte et al. 10.5194/cp-14-1179-2018
- A Systematic Comparison of Particle Filter and EnKF in Assimilating Time‐Averaged Observations H. Liu et al. 10.1002/2017JD026798
- Multiscale combination of climate model simulations and proxy records over the last millennium X. Chen et al. 10.1007/s00704-017-2119-4
1 citations as recorded by crossref.
Saved (preprint)
Latest update: 31 Dec 2024
Short summary
We present a data assimilation algorithm that incorporates proxy data at arbitrary timescales. Within a synthetic-test framework, we find that atmosphere–ocean states are most skillfully reconstructed by incorporating proxies across multiple timescales compared to using them at short or long timescales alone. Additionally, reconstructions that incorporate long-timescale proxies improve the low-frequency components of the reconstructions relative to using only high-resolution proxies.
We present a data assimilation algorithm that incorporates proxy data at arbitrary timescales....
