Proxy Records
Estimation of sedimentary proxy records together with associated uncertainty
... the proxy records (green region), where the median estimates follow the true proxy series closely, and reproduce even faster oscil- lations of 1/400 yr −1 (for the stalagmite) and 1/200 yr −1 (for ...
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Can we use sea surface temperature and productivity proxy records to reconstruct Ekman upwelling?
... Abstract. Marine sediments have greatly improved our un- derstanding of the climate system, but their interpretation of- ten assumes that certain climate mechanisms operate consis- tently over all timescales of interest ...
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Impact of precipitation intermittency on NAO-temperature signals in proxy records
... as proxy for high resolution climate recon- structions (Munoz et ...that proxy records dependent on hydrology are likely influenced both by dynamical and thermal changes (since specific humidity ...
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Empirical estimate of the signal content of Holocene temperature proxy records
... Holocene proxy records are likely the result of processes occurring during the formation, preserva- tion, and measurement of the proxy ...tween proxy types and within one proxy type, ...
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COnstructing Proxy Records from Age models (COPRA)
... different proxy records is challenging because of the apparent uncertainties in the ages at which the proxy values are ...of proxy record construction, such an invariant “referential” quantity ...
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Speleothem stable isotope records for east-central Europe: resampling sedimentary proxy records to obtain evenly spaced time series with spectral guidance
... isotope records from the Baradla Cave (NE Hungary for details see ...speleothem records with the ap- plication of a spectral guidance to avoid spectral bias and retain the genuine spectral characteristics, ...
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High-resolution mineral dust and sea ice proxy records from the Talos Dome ice core
... slightly for lower concentrations (Fig. 6a), thus for warmer climate conditions, which might be attributed to higher trans- port variability or additional dust input e.g. from Australia Fig. 6. Double-logarithmic scatter ...
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Testing the hockey stick hypothesis by statistical analyses of a large dataset of proxy records
... The instrumental temperature record utilized is the Global Best Estimated Anomaly BEA of the HADCRUT4 time series readings available yearly for the period 1850-2010.. After performing ap[r] ...
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Seemingly divergent sea surface temperature proxy records in the central Mediterranean during the last deglaciation
... of proxy and instru- mental 20th century time series in the North Atlantic has shown that environmental factors can alter alkenone produc- tion pattern at interannual to decadal timescale (Sicre et ...
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Paleoclimatic Signals from the Proxy Records of the Southern Ocean : A Review
... The records of IRD in the Southern Ocean sediments offer potential as proxy indicators to investigate the dynamic behaviour of Antarctic ice sheets and Antarctic climate (Hayes et ...
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Proxy benchmarks for intercomparison of 8.2 ka simulations
... by proxy records, but so far are too uncertain to be used as ...some proxy records sup- port this seasonal pattern, others indicate substantial sum- mer changes ...in proxy ...
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A South Atlantic island record uncovers shifts in westerlies and hydroclimate during the last glacial
... climate proxy records di- rectly reflecting atmospheric conditions in the central South Atlantic means that such information at these latitudes dur- ing the glacial are primarily based on remote ...
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Reconstructing Late Holocene North Atlantic atmospheric circulation changes using functional paleoclimate networks
... two records are similar just by chance, given their inherent auto-correlation ...four proxy records are complete and actually evenly distributed at annual timescale (one having lower sampling ...
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The origin of the European “Medieval Warm Period”
... available reconstructions for a particular period (typically be- tween 1 and 50 years). This is achieved by choosing the sim- ulation that minimizes a cost function evaluated by comput- ing the weighted sum of the ...
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Hydroclimate variability in Scandinavia over the last millennium – insights from a climate model–proxy data comparison
... and proxy-reconstructed hydroclimate variability in the last mil- lennium is an issue that must be addressed when assessing projections of future hydroclimate ...apparent proxy–model mis- match will require ...
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Hydro-climatic variability in the southwestern Indian Ocean between 6000 and 3000 years ago
... the records used are from different caves with different kinetic/vadose-zone pro- cesses, as is the case for this ...C records suggests that both sta- lagmites record primary climate signals, ...
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High-latitude environmental change during MIS 9 and 11: biogeochemical evidence from Lake El’gygytgyn, Far East Russia
... biogeochemical proxy records of terrestrial vegetation changes and aquatic pro- ductivity, showing a clear response of each to local tem- perature variability during interglacial-glacial transitions as well ...
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A high-resolution 18 O record and Mediterranean climate variability
... Abstract. A high-resolution, well-dated foraminiferal δ 18 O record from a shallow-water core drilled from the Gallipoli Terrace in the Gulf of Taranto (Ionian Sea), previously mea- sured over the last two millennia, has ...
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Last Millennium Reanalysis with an expanded proxy database and seasonal proxy modeling
... (here, proxy records) and the forward models that map variables from climate model output to proxy measurements (“proxy sys- tem models”; hereafter, ...assimilated proxy records ...
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Insights into Atlantic multidecadal variability using the Last Millennium Reanalysis framework
... the proxy network have on the reconstruction made possible by the ...the proxy net- ...using proxy records, including the incorporation of linear inverse modeling into the reconstruc- tion ...
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