期刊
HYDROLOGICAL SCIENCES JOURNAL
卷 67, 期 6, 页码 979-995出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02626667.2022.2050732
关键词
groundwater recharge; climate change; HELP model; GIS; Tasuj Plain aquifer; Iran
资金
- Iran's National Elites Foundation (INEF)
- University of Tabriz [15/7806]
The HELP3.8D model was developed to evaluate the distribution of groundwater recharge in Tasuj aquifer, Iran. Future climate data from different scenarios showed that climate change will affect groundwater recharge.
In this study, the Hydrologic Evaluation of Landfill Performance (HELP3.8D) model was developed to evaluate the spatiotemporal distribution of potential groundwater recharge (GWR) in Tasuj aquifer, northwestern Iran. High-resolution future climatic data from second-generation Canadian Earth System Model (CanESM2) general circulation models (GCMs) was produced under different scenarios of Representative Concentration Pathways (RCP2.6, RCP4.5, and RCP8.5). The analysis of climate parameters demonstrated that under RCP2.6, climatic variation will be substantially similar to that of the observed period (1961-2005), while moderate and severe droughts are anticipated under scenarios RCP4.5 and RCP8.5, respectively, over 2017-2030. The projection results showed that GWR will be altered by climate change, on average, from 31 mm/year at baseline to 32 (+3%), 28.5 (-8%) and 11.5 (-63%) mm/year under the RCP2.6, RCP4.5 and RCP8.5 scenarios, respectively. This approach can be easily replicated by other researchers and could be beneficial for monitoring water security and managing groundwater resources in other catchment areas.
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