Land subsidence estimation with tide gauge and satellite radar altimetry measurements along the Texas Gulf Coast, USA

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dc.contributor.authorQiao, Xiaojun
dc.contributor.authorChu, Tianxing
dc.contributor.authorTissot, Philippe
dc.contributor.authorLouis, Jason
dc.contributor.authorAli, Ibraheem
dc.creator.orcidhttps://orcid.org/0000-0003-1327-4628en_US
dc.creator.orcidhttps://orcid.org/0000-0003-0047-732Xen_US
dc.creator.orcidhttps://orcid.org/0000-0002-2954-2378en_US
dc.creator.orcidhttps://orcid.org/0000-0002-8848-5676en_US
dc.creator.orcidhttps://orcid.org/0000-0003-1327-4628
dc.creator.orcidhttps://orcid.org/0000-0003-0047-732X
dc.creator.orcidhttps://orcid.org/0000-0002-2954-2378
dc.creator.orcidhttps://orcid.org/0000-0002-8848-5676
dc.date.accessioned2022-09-07T21:38:39Z
dc.date.available2022-09-07T21:38:39Z
dc.date.issued2022-07-26
dc.description.abstractA double-difference (DD) method was used to esti mate vertical land motion (VLM) at 26 tide gauge (TG) sites with record lengths of at least ten years across the Texas Gulf Coast, USA, between 1993 and 2020. In the method, the first difference was conducted by coupling nearby correlated TG stations to remove sea-level variability for both TG and satellite radar altimetry (SRA) data. Upon completion of the first difference, a second difference was performed by subtracting between TG and SRA data. The results obtained from the DD method were compared against that of: 1) a single-difference (SD) method through subtraction between measurements from TG and SRA and 2) a global navigation satellite system (GNSS) precise point positioning (PPP) method. The results showed that the DD method improved the performance of VLM estimation with an uncertainty below 1.0 mm/yr at most TG stations. Meanwhile, the estimated VLM trends acquired from the DD method corre lated better to that of the ground-truth GNSS PPP solutions than the SD method. The DD method possesses great potential to dis cover VLM knowledge, particularly along coastal regions where other techniques such as GNSS and interferometric synthetic aperture radar (InSAR) are of impaired estimation capability.en_US
dc.description.abstractA double-difference (DD) method was used to esti mate vertical land motion (VLM) at 26 tide gauge (TG) sites with record lengths of at least ten years across the Texas Gulf Coast, USA, between 1993 and 2020. In the method, the first difference was conducted by coupling nearby correlated TG stations to remove sea-level variability for both TG and satellite radar altimetry (SRA) data. Upon completion of the first difference, a second difference was performed by subtracting between TG and SRA data. The results obtained from the DD method were compared against that of: 1) a single-difference (SD) method through subtraction between measurements from TG and SRA and 2) a global navigation satellite system (GNSS) precise point positioning (PPP) method. The results showed that the DD method improved the performance of VLM estimation with an uncertainty below 1.0 mm/yr at most TG stations. Meanwhile, the estimated VLM trends acquired from the DD method corre lated better to that of the ground-truth GNSS PPP solutions than the SD method. The DD method possesses great potential to dis cover VLM knowledge, particularly along coastal regions where other techniques such as GNSS and interferometric synthetic aperture radar (InSAR) are of impaired estimation capability.
dc.description.sponsorshipThis work was supported by the U.S. Department of Commerce-National Oceanic and Atmospheric Administration (NOAA) through the University of Southern Mississippi (USM) under Agreement NA13NOS4000166.en_US
dc.description.sponsorshipThis work was supported by the U.S. Department of Commerce-National Oceanic and Atmospheric Administration (NOAA) through the University of Southern Mississippi (USM) under Agreement NA13NOS4000166.
dc.identifier.citationX. Qiao, T. Chu, P. Tissot, J. Louis and I. Ali, "Land Subsidence Estimation With Tide Gauge and Satellite Radar Altimetry Measurements Along the Texas Gulf Coast, USA," in IEEE Geoscience and Remote Sensing Letters, vol. 19, pp. 1-5, 2022, Art no. 3007905, doi: 10.1109/LGRS.2022.3194108.en_US
dc.identifier.citationX. Qiao, T. Chu, P. Tissot, J. Louis and I. Ali, "Land Subsidence Estimation With Tide Gauge and Satellite Radar Altimetry Measurements Along the Texas Gulf Coast, USA," in IEEE Geoscience and Remote Sensing Letters, vol. 19, pp. 1-5, 2022, Art no. 3007905, doi: 10.1109/LGRS.2022.3194108.
dc.identifier.doihttps://doi.org/10.1109/LGRS.2022.3194108
dc.identifier.urihttps://hdl.handle.net/1969.6/93955
dc.language.isoen_USen_US
dc.language.isoen_US
dc.rightsAttribution 4.0 International*
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectcoastal subsidenceen_US
dc.subjectdouble-difference (dd)en_US
dc.subjectradar altimetryen_US
dc.subjecttide gauge (tg)en_US
dc.subjectcoastal subsidence
dc.subjectdouble-difference (dd)
dc.subjectradar altimetry
dc.subjecttide gauge (tg)
dc.titleLand subsidence estimation with tide gauge and satellite radar altimetry measurements along the Texas Gulf Coast, USAen_US
dc.titleLand subsidence estimation with tide gauge and satellite radar altimetry measurements along the Texas Gulf Coast, USA
dc.typeArticleen_US
dc.typeArticle

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