1,721,111 research outputs found
Köppen Geiger climate type classifications, derived for the period 2000-2100
No full textAnnual Köppen Geiger climate classification for the period 2000-2100 derived from Global Circulation Models for Wanders, N., Wada, Y., & Van Lanen, H. A. J. (2015). Global hydrological droughts in the 21st century under a changing hydrological regime. Earth System Dynamics, 6(1), 1–15. http://doi.org/10.5194/esd-6-1-201
Köppen Geiger climate type classifications, derived for the period 2000-2100
No full textAnnual Köppen Geiger climate classification for the period 2000-2100 derived from Global Circulation Models for Wanders, N., Wada, Y., & Van Lanen, H. A. J. (2015). Global hydrological droughts in the 21st century under a changing hydrological regime. Earth System Dynamics, 6(1), 1–15. http://doi.org/10.5194/esd-6-1-201
Original data for study on Human water consumption intensifies hydrological drought worldwide
No full textThis is the original PCR-GLOBWB simulation data that was used to derive the results for the Human water consumption intensifies hydrological drought worldwide paper by Wada, van Beek, Wanders and Bierkens in Environmental Research Letters
Natural and human-influenced hydrological simulations for California
No full textNatural and human-influenced hydrological simulations for California, derived from PCR-GLOBWB (including drought analysis). Data to support figure 1 in Wada, Y., Bierkens, M. F. P., de Roo, A., Dirmeyer, P. A., Famiglietti, J. S., Hanasaki, N., Konar, M., Liu, J., Müller Schmied, H., Oki, T., Pokhrel, Y., Sivapalan, M., Troy, T. J., van Dijk, A. I. J. M., van Emmerik, T., Van Huijgevoort, M. H. J., Van Lanen, H. A. J., Vörösmarty, C. J., Wanders, N., and Wheater, H.: Human-water interface in hydrological modeling: Current status and future directions, Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2017-248, in review, 2017
Original data for study on Human water consumption intensifies hydrological drought worldwide
No full textThis is the original PCR-GLOBWB simulation data that was used to derive the results for the Human water consumption intensifies hydrological drought worldwide paper by Wada, van Beek, Wanders and Bierkens in Environmental Research Letters
Natural and human-influenced hydrological simulations for California
No full textNatural and human-influenced hydrological simulations for California, derived from PCR-GLOBWB (including drought analysis). Data to support figure 1 in Wada, Y., Bierkens, M. F. P., de Roo, A., Dirmeyer, P. A., Famiglietti, J. S., Hanasaki, N., Konar, M., Liu, J., Müller Schmied, H., Oki, T., Pokhrel, Y., Sivapalan, M., Troy, T. J., van Dijk, A. I. J. M., van Emmerik, T., Van Huijgevoort, M. H. J., Van Lanen, H. A. J., Vörösmarty, C. J., Wanders, N., and Wheater, H.: Human-water interface in hydrological modeling: Current status and future directions, Hydrol. Earth Syst. Sci. Discuss., https://doi.org/10.5194/hess-2017-248, in review, 2017
Development and evaluation of a pan-European multimodel seasonal hydrological forecasting system
No full textHydrological forecasts with a high temporal and spatial resolution are required to provide the level of information needed by end users. So far high-resolution multimodel seasonal hydrological forecasts have been unavailable due to 1) lack of availability of high-resolution meteorological seasonal forecasts, requiring temporal and spatial downscaling; 2) a mismatch between the provided seasonal forecast information and the user needs; and 3) lack of consistency between the hydrological model outputs to generate multimodel seasonal hydrological forecasts. As part of the End-to-End Demonstrator for Improved Decision Making in the Water Sector in Europe (EDgE) project commissioned by the Copernicus Climate Change Service (ECMWF), this study provides a unique dataset of seasonal hydrological forecasts derived from four general circulation models [CanCM4, GFDL Forecast-Oriented Low Ocean Resolution version of CM2.5 (GFDL-FLOR), ECMWF Season Forecast System 4 (ECMWF-S4), and Météo-France LFPW] in combination with four hydrological models [mesoscale hydrologic model (mHM), Noah-MP, PCRaster Global Water Balance (PCR-GLOBWB), and VIC]. The forecasts are provided at daily resolution, 6-month lead time, and 5-km spatial resolution over the historical period from 1993 to 2012. Consistency in hydrological model parameterization ensures an increased consistency in the hydrological forecasts. Results show that skillful discharge forecasts can be made throughout Europe up to 3 months in advance, with predictability up to 6 months for northern Europe resulting from the improved predictability of the spring snowmelt. The new system provides an unprecedented ensemble of seasonal hydrological forecasts with significant skill over Europe to support water management. This study highlights the potential advantages of multimodel based forecasting system in providing skillful hydrological forecasts.</p
Intensification of hydrological drought in California by human water management
No full textWe analyze the contribution of human water management to the intensification and mitigation of hydrological drought over California using the PCR-GLOBWB hydrological model for the period 1979-2014. We demonstrate that considering water management results in more accurate discharge representation. During the severe 2014 drought, water management alleviated the drought deficit by ?50% in Southern California through reservoir operation during low flow periods. However, human water consumption (mostly irrigation) in the Central Valley increased drought duration and deficit by 50% and 50-100%, respectively. Return level analysis indicates that there is more than 50% chance that the probability of occurrence of an extreme 2014-magnitude drought event was at least doubled under the influence of human activities compared to natural variability. This impact is most significant over the San Joaquin Drainage basin with a 50% and 75% likelihood that the return period is more than 3.5 and 1.5 times larger, respectively, because of human activities
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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