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Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China

CHEN Beibei GONG Huili LI Xiaojuan et al.

CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. 中国地理科学, 2011, 21(6): 753-764.
引用本文: CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. 中国地理科学, 2011, 21(6): 753-764.
CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. Chinese Geographical Science, 2011, 21(6): 753-764.
Citation: CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. Chinese Geographical Science, 2011, 21(6): 753-764.

Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China

Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China

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出版历程
  • 刊出日期:  2011-11-04

Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China

摘要: Due to long-term over-exploitation of groundwater in Beijing municipality, regional groundwater funnels have formed and land
subsidence has been induced. By combining a groundwater monitoring network, GPS monitoring network data, radar satellite SAR data,
GIS and other new technologies, a coupled process model based on the dynamic variation of groundwater and the deformation response
of land subsidence has been established. The dynamic variation of groundwater funnels and the land subsidence response process were
analyzed systematically in Beijing. Study results indicate that current groundwater funnel areas are distributed mainly in the southwest of
Shunyi District, the northeast of Chaoyang District and the northwest of Tongzhou District, with an average decline rate of groundwater
level of 2.66 m/yr and a maximum of 3.82 m/yr in the center of the funnels. Seasonal and interannual differences exist in the response
model of land subsidence to groundwater funnels with uneven spatial and temporal distribution, where the maximum land subsidence rate
was about –41.08 mm/yr and the area with a subsidence rate greater than 30 mm/yr was about 1637.29 km2. Although a consistency
was revealed to exist between a groundwater funnel and the spatial distribution characteristics of the corresponding land subsidence
funnel, this consistency was not perfect. The results showed that the response model of land subsidence to the dynamic variation of
groundwater was more revealing when combining conventional technologies with InSAR, GIS, GPS, providing a new strategy for
environmental and hydrogeological research and a scientific basis for regional land subsidence control.

English Abstract

CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. 中国地理科学, 2011, 21(6): 753-764.
引用本文: CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. 中国地理科学, 2011, 21(6): 753-764.
CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. Chinese Geographical Science, 2011, 21(6): 753-764.
Citation: CHEN Beibei, GONG Huili, LI Xiaojuan, et al.. Spatial-temporal Characteristics of Land Subsidence Corresponding to Dynamic Groundwater Funnel in Beijing Municipality, China[J]. Chinese Geographical Science, 2011, 21(6): 753-764.

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