The impact of climate change on spatially varying groundwater recharge in the grand river watershed (Ontario)

Jyrkama, Mikko I.; Sykes, J. F.

doi:10.1016/j.jhydrol.2007.02.036

Cited by 374 publications

(223 citation statements)

References 47 publications

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“…These results are in general agreement with other modelling studies such as those of Eckhardt and Ulbrich (2003), Jyrkama and Sykes (2007), and Toews and Allen (2009). Other considerable changes in the spring, such as earlier and reduced spring runoff, have also been produced from the simulations, consistent with the results of Burn and Hag Elnur (2002) and Zhang et al (2001) based on historical records.…”

Section: Discussionsupporting

confidence: 90%

“…The potential effects of climate change on aquifer recharge have been studied with various models in different regions across Canada and for various periods, producing a wide range of results (e.g. Chen et al 2004, Scibek and Allen 2006, Jyrkama and Sykes 2007.…”

Section: Discussionmentioning

confidence: 99%

“…More pronounced changes were found on a seasonal basis: winter recharge increased due to earlier snowmelt and summer recharge decreased by up to 50%. Jyrkama and Sykes (2007) used the infiltration model Hydrologic Evaluation of Landfill Performance (HELP) and statistically downscaled climate data from global climate models (GCMs) provided in the IPCC Third Assessment Report for a 7000-km 2 rural watershed in southwestern Ontario (central Canada). They found that, on an annual basis, recharge rates would increase as a result of climate change for all eight simulated scenarios, from 10 to 53%.…”

Section: Introductionmentioning

confidence: 99%

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A watershed-scale study of climate change impacts on groundwater recharge (Annapolis Valley, Nova Scotia, Canada)

Rivard

Paniconi

Vigneault

et al. 2014

Hydrological Sciences Journal

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The potential impacts of future climate change on the evolution of groundwater recharge are examined at a local scale for a 546-km 2 watershed in eastern Canada. Recharge is estimated using the infiltration model Hydrologic Evaluation of Landfill Performance (HELP), with inputs derived from five climate runs generated by a regional climate model in combination with the A2 greenhouse gas emissions scenario. The model runs project an increase in annual recharge over the 2041-2070 period. On a seasonal basis, however, a marked decrease in recharge during the summer and a marked increase during the winter are observed. The results suggest that increased evapotranspiration resulting from higher temperatures does not offset the large increase in winter infiltration. In terms of individual water budget components, clear differences are obtained for the different climate change scenarios. Monthly recharge values are also found to be quite variable, even for a given climate scenario. These findings are compared with results from two regional-scale studies.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A watershed-scale study of climate change impacts on groundwater recharge (Annapolis Valley, Nova Scotia, Canada)

Rivard

Paniconi

Vigneault

et al. 2014

Hydrological Sciences Journal

View full text Add to dashboard Cite

show abstract

“…Moreover, most studies on the impacts of climate change on recharge have focused on changes in total annual or monthly precipitation (Appaih-Adjei, 2006;Scibek and Allen, 2006;Toews and Allen, 2009;Jyrkama and Sykes, 2007); few have considered how shifts in the frequency and magnitude of events could influence groundwater aquifers (Taylor et al, 2013b;Owor et al, 2009;Mileham et al, 2009). …”

Section: Heavy Rainfall and Climatementioning

confidence: 99%

Response of a fractured bedrock aquifer to recharge from heavy rainfall events

Rathay

Allen

Kirste

2018

Journal of Hydrology

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The response of a fractured bedrock aquifer in a temperate region (Gulf Islands, British Columbia) to heavy rainfall events is characterized. Of the 14 provincial observation wells with hourly groundwater level data, wells with shallow water levels showed pronounced responses to heavy rain events, a lag less than 12 hours, and a strong correlation to all rain events. Rises in groundwater level at Well 125 appear to be better related to all rain events than exclusively heavy rain during summer, and decrease as the rainfall intensity increases. Thermal infrared images and δ 18 O and δ 2 H composition for precipitation and seepage indicate an increase in seepage in the late fall and winter.Solution of the Green-Ampt equation for rainfall events of varying magnitude suggest that an increase in winter rainfall intensity leads to more surface ponding and overland flow. The projected occurrence of more heavy rain events in the future may result in lower net recharge.

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“…In addition, climate change is probably one of the most challenging pressures facing hydrological systems and water resources. Consequently, there are several researches subject to the effect of climate change on the groundwater resource such as [1], [2], [3], [4], [5], [6]. [2] investigated the impact of climate change on two small aquifers in western Canada and the United States and revealed the impact from climate change on recharge and groundwater levels at both study areas.…”

Section: Introductionmentioning

confidence: 99%

Impact of climate change on the groundwater sustainability in the lower Chao Phraya basin, Thailand

Tanachaichoksirikun¹,

Seeboonruang²,

Saraphirom³

2018

MATEC Web Conf.

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Abstract. This research investigates the impact of climate change on the hydraulic heads of Thailand's Lower Chao Phraya basin. The research also determines the sustainability of groundwater as the result from climate change. In the study, the climatic scenario (IPSL-CM5A-MR) of the Representative Concentration Pathways (RCP) between 2.6, 4.5 and 8.5 were considered, and the simulations were carried out using the three-dimensional groundwater flow model (i.e. MODFLOW-2000) predicting the groundwater behavior between 2017 and 2036. The findings revealed that the impact of climate change on the hydraulic head fluctuation was positively correlated. Specifically, under the IPSL-CM5A-MR RCP 4.5 that has the highest average precipitation, the average hydraulic head increased. In conclusion, the sustainability of groundwater in the Lower Chao Phraya basin was sufficient during the simulated time. However, the groundwater budget was lower than the average groundwater budget during 2009 -2014 indicating, the groundwater storage was continuously decreased. Specifically, the 2 nd , and 3 rd (Phra Pradeang and Nakorn Luang) aquifers may be facing the groundwater shortage in the future.

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The impact of climate change on spatially varying groundwater recharge in the grand river watershed (Ontario)

Cited by 374 publications

References 47 publications

A watershed-scale study of climate change impacts on groundwater recharge (Annapolis Valley, Nova Scotia, Canada)

A watershed-scale study of climate change impacts on groundwater recharge (Annapolis Valley, Nova Scotia, Canada)

Response of a fractured bedrock aquifer to recharge from heavy rainfall events

Impact of climate change on the groundwater sustainability in the lower Chao Phraya basin, Thailand

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