globalchange  > 气候变化与战略
DOI: 10.5194/hess-24-1511-2020
论文题名:
Assessing the response of groundwater quantity and travel time distribution to 1.5; 2; and 3 °C global warming in a mesoscale central German basin
作者: Jing M.; Kumar R.; Heße F.; Thober S.; Rakovec O.; Samaniego L.; Attinger S.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2020
卷: 24, 期:3
起始页码: 1511
结束页码: 1526
语种: 英语
Scopus关键词: Climate models ; Global warming ; Recharging (underground waters) ; Distributed groundwater models ; Future climate scenarios ; General circulation model ; Ground water recharge ; Groundwater modeling ; Integrated modeling ; Regional groundwater ; Travel time distributions ; Travel time ; climate change ; estimation method ; general circulation model ; global warming ; hydrological modeling ; quantitative analysis ; recharge ; travel time ; water quality ; water resource
英文摘要: Groundwater is the biggest single source of high-quality freshwater worldwide, which is also continuously threatened by the changing climate. In this paper, we investigate the response of the regional groundwater system to climate change under three global warming levels (1.5, 2, and 3 ĝˆC) in a central German basin (Nägelstedt). This investigation is conducted by deploying an integrated modeling workflow that consists of a mesoscale hydrologic model (mHM) and a fully distributed groundwater model, OpenGeoSys (OGS). mHM is forced with climate simulations of five general circulation models under three representative concentration pathways. The diffuse recharges estimated by mHM are used as boundary forcings to the OGS groundwater model to compute changes in groundwater levels and travel time distributions. Simulation results indicate that groundwater recharges and levels are expected to increase slightly under future climate scenarios. Meanwhile, the mean travel time is expected to decrease compared to the historical average. However, the ensemble simulations do not all agree on the sign of relative change. Changes in mean travel time exhibit a larger variability than those in groundwater levels. The ensemble simulations do not show a systematic relationship between the projected change (in both groundwater levels and travel times) and the warming level, but they indicate an increased variability in projected changes with adjusting the enhanced warming level from 1.5 to 3 ĝˆC. Correspondingly, it is highly recommended to restrain the trend of global warming. © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162748
Appears in Collections:气候变化与战略

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作者单位: Jing, M., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany, Institute of Geosciences, Friedrich Schiller University Jena, Burgweg 11, Jena, 07749, Germany, State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, 430071, China; Kumar, R., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany; Heße, F., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany; Thober, S., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany; Rakovec, O., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany, Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, 169 00, Czech Republic; Samaniego, L., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany; Attinger, S., Department of Computational Hydrosystems, UFZ, Helmholtz Centre for Environmental Research, Permoserstr. 15, Leipzig, 04318, Germany, Institute of Earth and Environmental Sciences, University of Potsdam, Karl-Liebknecht-Str. 24-25, Potsdam, 14476, Germany

Recommended Citation:
Jing M.,Kumar R.,Heße F.,et al. Assessing the response of groundwater quantity and travel time distribution to 1.5; 2; and 3 °C global warming in a mesoscale central German basin[J]. Hydrology and Earth System Sciences,2020-01-01,24(3)
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