[PDF] Top 20 An ensemble-based approach to climate reconstructions
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An ensemble-based approach to climate reconstructions
... assimilate climate proxy information into models include the pioneering work of von Storch et ...past climate states, based on simulations with an Earth system model of intermediate com- ...the ... See full document
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Impact of different estimations of the background-error covariance matrix on climate reconstructions based on data assimilation
... Abstract. Data assimilation has been adapted in paleoclima- tology to reconstruct past climate states. A key component of some assimilation systems is the background-error covari- ance matrix, which controls how ... See full document
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Consistency of the multi-model CMIP5/PMIP3-past1000 ensemble
... CMIP5/PMIP3 ensemble simulations for the last millennium relative to proxy-based reconstructions under the paradigm of a statistically indis- tinguishable ...and reconstructions are compatible ... See full document
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Examining bias in pollen-based quantitative climate reconstructions induced by human impact on vegetation in China
... quantitative climate re- constructions using statistical ...Quaternary based on Lyell’s uniformitar- ianism (Scott, 1963) is implicit in these studies, and they require modern organism–environment ... See full document
16
The relationship between climate change and wars waged between nomadic and farming groups from the Western Han Dynasty to the Tang Dynasty period
... 1–910. Ensemble temperature reconstructions based on partial least squares (PLS) methods at centennial timescales (smoothed by a 5-point fast Fourier transform (FFT) filter) (Ge et ... See full document
14
Climate of the Past
... data reconstructions and model simulations have not been taken into ...tests based on point-by-point similarities are likely to be dis- appointingly ...logic approach for data-model comparisons where ... See full document
12
Assessing performance and seasonal bias of pollen-based climate reconstructions in a perfect model world
... pollen-assemblage-based reconstructions of other cli- mate variables, such as ...the climate variables include water temperature at different seasons and water depths (Telford et ...diagnostics ... See full document
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Terrestrial climate variability and seasonality changes in the Mediterranean region between 15 000 and 4000 years BP deduced from marine pollen records
... Pollen-based climate reconstructions were per- formed on two high-resolution pollen marines cores from the Alboran and Aegean Seas in order to unravel the climatic variability in the coastal settings ... See full document
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Initialization of a global glacier model based on present-day glacier geometry and past climate information: an ensemble approach
... By comparing different fitness functions for the candi- date evaluation, we showed that using limited information only (glacier area and glacier length) leads to an increase in the errors in 1850. This indicates what ... See full document
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The complexity of climate reconstructions using the coexistence approach on Qinghai–Tibetan Plateau
... The climate of each pollen-sampling site was taken as that of the 1 × 1 km 2 aforementioned gridcell where the site oc- ...observed climate. They simu- lated the modern climate based on the ... See full document
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A new ensemble-based consistency test for the Community Earth System Model (pyCECT v1.0)
... current approach is as follows. First, a climate simulation of several hundred years (typically 400) is run on the new ...senior climate scientist for ap- ...be climate-changing, and many new ... See full document
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Climate of the last millennium: ensemble consistency of simulations and reconstructions
... the ensemble fore- cast verification in numerical weather prediction (Toth et ...the climate modelling ...CMIP3 ensemble and the ensemble consistency of the PMIP1/2 (Joussaume and Taylor, ... See full document
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Combining a pollen and macrofossil synthesis with climate simulations for spatial reconstructions of European climate using Bayesian filtering
... different ensemble members in the process stage mean seems to be a more effective strategy as the GM and RM reconstruct the spatial structures better than the ...reference climate state to be included in ... See full document
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The PMIP4 contribution to CMIP6 part 2: two interglacials, scientific objective and experimental design for Holocene and Last Interglacial simulations
... quantitative climate recon- structions for the LIG (Turney and Jones, 2010; McKay et ...this approach has been expanded to include the fifth time slab (128–126 ka) for comparison with the lig127k simula- ... See full document
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Back to the future: using long term observational and paleo proxy reconstructions to improve model projections of Antarctic climate
... and climate over large parts of West Antarctica and the Antarctic Peninsula and is important in the context of understanding the effects of both stratospheric ozone depletion and tropical ...external ... See full document
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The skill of seasonal ensemble low flow forecasts in the Moselle River for three different hydrological models
... second approach is the dynamic seasonal forecast- ing approach which has long been explored (Wang et ...current ensemble streamflow prediction system (ESP) used by different na- tional climate ... See full document
17
Last millennium Northern Hemisphere summer temperatures from tree rings : part II, spatially resolved reconstructions
... field reconstructions from networks of tree-ring proxy data can be used to characterize regional-scale climate changes, reveal spatial anomaly patterns associated with atmospheric circulation changes, ... See full document
77
Classifier Ensemble Framework: a Diversity Based Approach
... an ensemble. The diversity in an ensemble refers to the amount of dissimilarity in the outputs of its components (base classifiers) in deciding for a given ...an ensemble of two classifiers refers to ... See full document
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Unravelling past impacts of climate change and land management on historic peatland development using proxy‐based reconstruction, monitoring data and process modelling
... the climate data used in the model become less reliable before the 1850s, and this period might well have been wetter than the by Morris et ...reconstructed climate record ...uncertain climate input ... See full document
12
Machine learning as a tool for classifying electron tomographic reconstructions
... All of these sources taken together will result in a final reconstruction which only rarely consists of a small num- ber of grey levels separated by sharp boundaries. Because of this, further processing of ... See full document
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