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Assessing the effects of rainfall, groundwater downward leakage, and groundwater head differences on the development of cover-collapse and cover-suffosion sinkholes in central Florida (USA)
Xiao, Han1; Li, Haiming1; Tang, Yin2,3
2018-12-10
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume644Pages:274-286
Corresponding AuthorLi, Haiming(Lhm@tust.edu.cn)
AbstractCover-collapse and cover-suffosion sinkholes are widely distributed in central Florida (USA) karst terrains and have been recognized as the primary geo-hazard threatening human lives and destroying infrastructure. Previous studies indicated that the development of cover-collapse and cover-suffosion sinkholes in central Florida might be related to hydrologic/hydrogeologic conditions such as rainfall, groundwater downward leakage and groundwater hydraulic head differences (groundwater level differences between the water tables in unconfined aquifer and the potentiometric levels in confined aquifer). Here, a case study in central Florida urban areas is conducted to quantify the effects of rainfall, groundwater downward leakage and groundwater head differences on the development of cover-collapse and cover-suffosion sinkholes in central Florida with a focus on the timing of their occurrences. Results indicate that heavy rainfall/storm(s) and rapid increase of head differences within a relatively short period of time are major factors affecting the timing of sinkhole occurrences, and the spatial variation of groundwater downward leakage rate can be used to generate sinkhole susceptibility zonation maps for serving as a useful indicator of the likelihood of sinkhole development at certain areas. Results caution that the groundwater pumping and mining dewatering rate should be setup properly and the starting time of groundwater pumping and/or mining dewatering should be selected carefully in central Florida, i.e., the activities should be put into abeyance after a heavy rainfall/storm(s) to reduce the probability of sinkhole occurrences. (C) 2018 Elsevier B.V. All rights reserved.
KeywordSinkhole hazard assessment Karst Hydrogeology Central Florida
DOI10.1016/j.scitotenv.2018.06.273
WOS KeywordEVAPORITE KARST ; HAZARD ASSESSMENT ; UNITED-STATES ; NE SPAIN ; AREA ; VALLEY
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000445164000028
PublisherELSEVIER SCIENCE BV
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Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52890
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Haiming
Affiliation1.Tianjin Univ Sci & Technol, Coll Marine & Environm, Lab Coastal Groundwater Utilizat & Protect, Tianjin, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
3.Univ Cent Florida, Ctr Hydrosci Anal Modeling & Predict Simulat, Dept Civil Environm & Construct Engn, Orlando, FL 32816 USA
Recommended Citation
GB/T 7714
Xiao, Han,Li, Haiming,Tang, Yin. Assessing the effects of rainfall, groundwater downward leakage, and groundwater head differences on the development of cover-collapse and cover-suffosion sinkholes in central Florida (USA)[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2018,644:274-286.
APA Xiao, Han,Li, Haiming,&Tang, Yin.(2018).Assessing the effects of rainfall, groundwater downward leakage, and groundwater head differences on the development of cover-collapse and cover-suffosion sinkholes in central Florida (USA).SCIENCE OF THE TOTAL ENVIRONMENT,644,274-286.
MLA Xiao, Han,et al."Assessing the effects of rainfall, groundwater downward leakage, and groundwater head differences on the development of cover-collapse and cover-suffosion sinkholes in central Florida (USA)".SCIENCE OF THE TOTAL ENVIRONMENT 644(2018):274-286.
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