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

Table 1

Acquisition date of ASAR C-band ASAR data (descending, track: 489) used in this study.

Number	Acquisition date
1	2006/09/04
2	2006/10/09
3	2006/11/13
4	2006/12/18
5	2007/01/22
6	2007/05/07
7	2007/06/11
8	2007/07/16
9	2007/08/20
10	2007/09/24
11	2007/10/29
12	2007/12/03
13	2008/01/07
14	2008/02/11
15	2008/03/17
16	2008/04/21
17	2008/05/26
18	2008/06/30
19	2008/08/04
20	2008/09/08
21	2008/10/13
22	2008/11/17
23	2008/12/22
24	2009/03/02
25	2009/05/11
26	2009/07/20
27	2009/09/28
28	2009/12/07
29	2010/02/15
30	2010/03/22
31	2010/04/26
32	2010/05/31
33	2010/07/05
34	2010/08/09