DOI: 10.1016/j.jag.2015.12.002
Scopus记录号: 2-s2.0-84988691025
论文题名: Land subsidence in major cities of Central Mexico: Interpreting InSAR-derived land subsidence mapping with hydrogeological data
作者: Castellazzi P ; , Arroyo-Domínguez N ; , Martel R ; , Calderhead A ; I ; , Normand J ; C ; L ; , Gárfias J ; , Rivera A
刊名: International Journal of Applied Earth Observation and Geoinformation
ISSN: 15698432
出版年: 2016
卷: 47 起始页码: 102
结束页码: 111
语种: 英语
英文关键词: Central Mexico
; groundwater depletion
; InSAR
; Land subsidence
Scopus关键词: displacement
; fracture
; geological mapping
; groundwater
; hydrogeology
; spatial variation
; subsidence
; synthetic aperture radar
; temporal variation
; Celaya
; Guanajuato
; Mexico [Mexico (NTN)]
; Mexico [North America]
; Michoacan
; Morelia
; Toluca
; Toluca
英文摘要: Significant structural damages to urban infrastructures caused by compaction of over-exploited aquifers are an important problem in Central Mexico. While the case of Mexico City has been well-documented, insight into land subsidence problems in other cities of Central Mexico is still limited. Among the cities concerned, we present and discuss the cases of five of them, located within the Trans-Mexican Volcanic Belt (TMVB): Toluca, Celaya, Aguascalientes, Morelia, and Queretaro. Applying the SBAS-InSAR method to C-Band RADARSAT-2 data, five high resolution ground motion time-series were produced to monitor the spatio-temporal variations of displacements and fracturing from 2012 to 2014. The study presents recent changes of land subsidence rates along with concordant geological and water data. It aims to provide suggestions to mitigate future damages to infrastructure and to assist in groundwater resources management. Aguascalientes, Celaya, Morelia and Queretaro (respectively in order of decreasing subsidence rates) are typical cases of fault-limited land subsidence of Central Mexico. It occurs as a result of groundwater over-exploitation in lacustrine and alluvial deposits covering highly variable bedrock topography, typical of horst-graben geological settings. Aguascalientes and Toluca show high rates of land subsidence (up to 10 cm/yr), while Celaya and Morelia show lower rates (from 2 to 5 cm/yr). Comparing these results with previous studies, it is inferred that the spatial patterns of land subsidence have changed in the city of Toluca. This change appears to be mainly controlled by the spatial heterogeneity of compressible sediments since no noticeable change occurred in groundwater extraction and related drawdown rates. While land subsidence of up to 8 cm/yr has been reported in the Queretaro Valley before 2011, rates inferior to 1 cm/yr are measured in 2013–2014. The subsidence has been almost entirely mitigated by major changes in the water management practices of the city, i.e., a 122 km long pipeline bringing surface water from an adjacent state allowed to cease pumping in half of the wells. © 2015 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80111
Appears in Collections: 气候变化事实与影响
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作者单位: Institut national de la recherche scientifique, Centre Eau, Terre et Environnement, Université du Québec, 490 rue de la Couronne, Québec, QC, Canada; Universidad Autónoma del Estado de México, Centro Interamericano de Recursos del Agua Carretera Toluca-Atlacomulco, km 14.5. Ciudad Universitaria, Estado de México, Toluca, Mexico; Ming Hsieh Dep. of Electrical Engineering, Viterbi School of Engineering, University of Southern California (USC), Los Angeles, United States; Geological Survey of Canada, Natural Resources Canada, 490, rue de la Couronne, Québec, QC, Canada
Recommended Citation:
Castellazzi P,, Arroyo-Domínguez N,, Martel R,et al. Land subsidence in major cities of Central Mexico: Interpreting InSAR-derived land subsidence mapping with hydrogeological data[J]. International Journal of Applied Earth Observation and Geoinformation,2016-01-01,47