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Finding the Optimal Multimodel Averaging Method for Global Hydrological Simulations
2021
Remote Sensing
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Global gridded precipitations have been extensively considered as the input of hydrological models for runoff simulations around the world. ...
of using averaging methods for hydrological modeling is region dependent. ...
The second objective is to quantify the performances of various averaging methods under different climate regions, to find the optimal averaging methods for global hydrological streamflow simulation. ...
doi:10.3390/rs13132574
fatcat:6vq3drtwhfcanhiti6lgyga3oi
Performance and reliability of multimodel hydrological ensemble simulations based on seventeen lumped models and a thousand catchments
2010
Hydrology and Earth System Sciences
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For all available 1061 catchments, results showed that the mean continuous ranked probability score of the ensemble simulations were better than the mean average error of the aggregated simulations, confirming ...
This work investigates the added value of ensembles constructed from seventeen lumped hydrological models against their simple average counterparts. ...
Performance and reliability Deterministic simulations were aggregated using the simple average method (SMA). ...
doi:10.5194/hess-14-2303-2010
fatcat:jwv7dvgjxzeg5iuvfu6kyb3snm
Performance and reliability of multimodel hydrological ensemble simulations based on seventeen lumped models and a thousand catchments
2010
Hydrology and Earth System Sciences Discussions
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For all available 1061 catchments, results showed that the mean continuous ranked probability score of the ensemble simulations were better than the mean average error of the aggregated simulations, confirming ...
This work investigates the added value of ensembles constructed from seventeen lumped hydrological models against their simple average counterparts. ...
Performance and reliability Deterministic simulations were aggregated using the simple average method (SMA). ...
doi:10.5194/hessd-7-4023-2010
fatcat:y6o5azulcjdchcgg4j7ns5rnjq
Building a Multimodel Flood Prediction System with the TIGGE Archive
2016
Journal of Hydrometeorology
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This study presents a multimodel approach to building a global flood prediction system using multiple atmospheric reanalysis datasets for river initial conditions and multiple TIGGE forcing inputs to the ...
The potential for further improving forecast skill by bias correction and Bayesian model averaging is examined. ...
We are also grateful to the Global Runoff Data Centre in Koblenz, Germany, for providing the discharge observation dataset for our discharge forecast analysis. ...
doi:10.1175/jhm-d-15-0130.1
fatcat:irmrtumflne4fnnlv7xjgpfowu
The value of probabilistic prediction
2008
Atmospheric Science Letters
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Georgakakos, 2006: Intercomparison of lumped versus distributed hydrologic model ensemble simulations on operational forecast scales. Journal of Hydrology, 329, 174-185. Cloke, H. L., and F. ...
Journal of Hydrology, 375, 613-626. temperature, precipitation, and streamflow forecasts from the NOAA/NWS Hydrologic Ensemble Forecast Service (HEFS): 1. ...
Alfonso Mejia, for his dedication, support, and invaluable guidance throughout my Ph.D. endeavor. It was highly motivating to work with ...
doi:10.1002/asl.170
fatcat:vosmrjardvg43mcqmb7gzsggia
Near-Surface Salinity as Nature's Rain Gauge to Detect Human Influence on the Tropical Water Cycle
2012
Journal of Climate
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While the observed Pacific and interbasin-averaged salinity changes exceed the range of internal variability provided from control climate simulations, Atlantic changes are within the model estimates. ...
Implications of the results for understanding of the recent and future marine tropical water cycle changes are discussed. ...
The authors thank Jim Hurrell for his comments and suggestions and Adam Phillips for helping with the model datasets, as well as graphic tricks. ...
doi:10.1175/jcli-d-10-05025.1
fatcat:adlpme2p4fgxnmqgbosjmnon4a
Human-caused Indo-Pacific warm pool expansion
2016
Science Advances
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The IPWP is Earth's largest region of warm sea surface temperatures (SSTs), has the highest rainfall, and is fundamental to global atmospheric circulation and hydrological cycle. ...
We identify human and natural contributions to the observed IPWP changes since the 1950s by comparing observations with climate model simulations using an optimal fingerprinting technique. ...
Data and materials availability: All data used to obtain the conclusions in this paper are available in the public data archive for each data set as cited in the paper and the Supplementary Materials. ...
doi:10.1126/sciadv.1501719
pmid:27419228
pmcid:PMC4942332
fatcat:hdcgcg2qe5fhzjg7g3it4uwvfm
A Multiscalar Global Drought Dataset: The SPEIbase: A New Gridded Product for the Analysis of Drought Variability and Impacts
2010
Bulletin of The American Meteorological Society - (BAMS)
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Following the development of SPEI, a new global dataset, the SPEIbase, has been made available to the scientific community. ...
The dataset covers the period 1901-2006 with a monthly frequency, and offers global coverage at a 0.5-degree resolution. ...
The impact of the ENSO on the moisture conditions at the global scale can be assessed using the SPEIbase, for example by computing average SPEI conditions after warm (El Niño) and cool (La Niña) ENSO events ...
doi:10.1175/2010bams2988.1
fatcat:jqtbwbp665eefmnzjx65u6jo4i
CNRD v1.0: a high-quality natural runoff dataset for hydrological and climate studies in China
2021
Bulletin of The American Meteorological Society - (BAMS)
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for providing the streamflow data (www.mwr.gov.cn/). ...
We are grateful to the Ministry of Water Resources of China (www.mwr.gov.cn/) for providing the natural and observed streamflow, the China Meteorological Administration (CMA) for providing the climatic ...
; VIII-Pearl River; IX-Southwest River drainage system; and X-Northwest River drainage system. algorithm was adopted for finding the optimal parameter solution ( Fig. 3b ; see details in the "Parameter ...
doi:10.1175/bams-d-20-0094.1
fatcat:wwce4phlgrg4zhvo7hn7au2dem
On the basin-scale detection and attribution of human-induced climate change in monsoon precipitation and streamflow
2012
Water Resources Research
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1] Detecting and quantifying the presence of human-induced climate change in regional hydrology is important for studying the impacts of such changes on the water resources systems as well as for reliable ...
95% statistical confidence level, for most of the climate models considered. ...
The authors sincerely thank David Pierce (Scripps Institution of Oceanography, La Jolla, CA) for helpful discussions through email, and the four anonymous reviewers and the Associate Editor, for reviewing ...
doi:10.1029/2011wr011468
fatcat:q7p5dwptavhdxixwxp4od3hhzq
Regional patterns of future runoff changes from Earth system models constrained by observation
2017
Geophysical Research Letters
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Using the BMA method, we find that by the end of this century, the increase of global runoff (9.8 ± 1.5%) under Representative Concentration Pathway 8.5 is significantly lower than estimated from AMA ( ...
Here we use Bayesian model averaging (BMA) to construct a weighted model ensemble for runoff projections. ...
The observed river runoff data and discharge data are available from the Global Composite Runoff Fields (UNH/ GRDC GCRF; http://www.grdc.sr.unh. edu/index.html) and the Global River Discharge Center (GRDC ...
doi:10.1002/2017gl073454
fatcat:rbw455vskvaatfkdj2duibaya4
Regional climate models downscaling in the Alpine area with Multimodel SuperEnsemble
2012
Hydrology and Earth System Sciences Discussions
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of an optimal interpolation technique. ...
They were carefully chosen with the aim to maximise the variety of leading global climate models and of the RCMs themselves, calculated on the SRES scenario A1B. ...
This work was partially funded by the European Project ALP FFIRS under the European Regional Development fund of the Alpine Space Program, reference number 15-2-3-IT, and by the European Union FP7 Integrated ...
doi:10.5194/hessd-9-9425-2012
fatcat:cipcn3blgfcrtdgnjgz2rvfiaa
Regional climate models downscaling in the Alpine area with multimodel superensemble
2013
Hydrology and Earth System Sciences
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of an optimal interpolation technique. ...
They were carefully chosen with the aim to maximise the variety of leading global climate models and of the RCMs themselves, calculated on the SRES scenario A1B. ...
This work was partially funded by the European Project ALP FFIRS under the European Regional Development fund of the Alpine Space Program, reference number 15-2-3-IT, and by the European Union FP7 Integrated ...
doi:10.5194/hess-17-2017-2013
fatcat:ccctwny7yjco5ackxu3bv54vyi
Multimodel evaluation of twenty lumped hydrological models under contrasted climate conditions
2012
Hydrology and Earth System Sciences
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The ensemble investigation, based on the average of simulated discharges, focused on the twenty-member ensemble and all possible model subsets. ...
</strong> This paper investigates the temporal transposability of hydrological models under contrasted climate conditions and evaluates the added value of using an ensemble of model structures for flow ...
The authors acknowledge NSERC, Ouranos, and Hydro-Québec for support, as well as the other partners in the QBIC 3 project. ...
doi:10.5194/hess-16-1171-2012
fatcat:sbqujggo7ffole6nt4j3jqm42i
Multimodel evaluation of twenty lumped hydrological models under contrasted climate conditions
2011
Hydrology and Earth System Sciences Discussions
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This paper investigates the temporal transposability of hydrological models under contrasted climate conditions and evaluates the added value of using an ensemble of model structures for flow simulation ...
The ensemble investigation, based on the average of simulated discharges, focused on the twenty-member ensemble and all possible model subsets. ...
The authors acknowledge NSERC, Ouranos, and Hydro-Québec for support, as well as the other partners in the QBIC 3 project. ...
doi:10.5194/hessd-8-10895-2011
fatcat:riosvqfa3bae7pa4s5zdq7qwii
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