Table 1 Permanent GPS stations in Montgomery County, Texas
From: Land subsidence and aquifer compaction in Montgomery County, Texas, U.S.: 2000–2020
GPS | Location | Observational history | Vertical displacement (negative indicates subsidence) | Raw data archiving | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Latitude | Longitude | Start | End | Years | Days | Totala (cm) | 5-year rate (cm/year)b | Operator | ||
P012 | − 95.263 | 30.060 | 2000.9 | 2020.4 | 19.5 | 1331 | − 12.2 | − 0.6 | HGSD | HGSD |
P013 | − 95.490 | 30.195 | 2000.9 | 2021.2 | 20.3 | 1259 | − 25.2 | − 1.4 | HGSD | HGSD |
P068 | − 95.587 | 30.185 | 2011.8 | 2021.2 | 9.4 | 545 | − 8.9 | − 1.0 | HGSD | HGSD |
P069 | − 95.459 | 30.199 | 2011.7 | 2021.2 | 9.4 | 556 | − 10.6 | − 1.1 | HGSD | HGSD |
P070 | − 95.424 | 30.291 | 2011.8 | 2021.2 | 9.5 | 493 | − 4.9 | − 0.5 | HGSD | HGSD |
P071 | − 95.579 | 30.353 | 2011.8 | 2021.2 | 9.5 | 553 | − 3.8 | − 0.4 | HGSD | HGSD |
P072 | − 95.242 | 30.147 | 2012.0 | 2021.2 | 9.2 | 398 | − 7.5 | − 0.7 | HGSD | HGSD |
YORSc | − 95.469 | 30.110 | 2020.8 | 2021.2 | 0.3 | 126 | HGSD | HGSD | ||
TXCN | − 95.441 | 30.349 | 2005.6 | 2021.3 | 15.7 | 5707 | − 17.2 | − 1.2 | TxDOT | NGS |
UH02 | − 95.457 | 30.315 | 2015.0 | 2021.2 | 6.2 | 2114 | − 3.6 | − 0.6 | UH&SmartNet | UH&UNAVCO |
UHF1/UHJF | − 95.483 | 30.236 | 2014.4 | 2020.7 | 6.3 | 2258 | − 5.9 | − 0.6 | UH | UH&UNAVCO |
WHCR | − 95.505 | 30.194 | 2014.8 | 2021.3 | 6.5 | 2363 | − 3.7 | − 0.6 | UH | UH&UNAVCO |
PWES | − 95.511 | 30.199 | 2015.2 | 2021.3 | 6.0 | 2205 | − 6.1 | − 0.9 | UH | UH&UNAVCO |
GSEC | − 95.528 | 30.197 | 2015.8 | 2021.3 | 5.5 | 2008 | − 2.8 | − 0.7 | UH | UH&UNAVCO |