Monitoring of Ground Deformation due to Excessive Withdrawal of Natural Gas Using SBAS

Bo Hu

Mathematical Problems in Engineering, 2014, vol. 2014, 1-6

Abstract:

The excessive withdrawal of natural gas can generate a wide range of ground deformation. The aim of this paper is to investigate ground deformation in Chiba Prefecture, Japan, using the Small Baseline Subset (SBAS) technique. In recent years, the local government has taken a series of measures such as artificial recharge and reduction of groundwater withdrawal to alleviate the ground settlement. In order to more fully investigate the spatial and temporal variation of deformation that occurred in Chiba Prefecture, we process a dataset of 34 ASAR images acquired from September 2006 to August 2010 based on SBAS technique and generate the mean deformation velocity map and time series deformation maps. The results show that (1) a relatively stable in Mao Yuan area, with an average subsidence velocity of −0.91 mm/y. (2) large uplift rates were highlighted in albino Ding and Kujukuri, which average deformation velocity were about 5.11 mm/y and 6.15 mm/y respectively.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:674510

DOI: 10.1155/2014/674510

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