@article{fdi:010070533,
  title = {{M}exico city subsidence measured by {I}n{SAR} time series : joint analysis using {PS} and {SBAS} approaches},
  author = {{Y}an, {Y}.{J}. and {D}oin, {M}.{P}. and {L}opez-{Q}uiroz, {P}. and {T}upin, {F}. and {F}runeau, {B}. and {P}inel, {V}irginie and {T}rouve, {E}.},
  editor = {},
  language = {{ENG}},
  abstract = {{I}n multi-temporal {I}n{SAR} processing, both the {P}ermanent {S}catterer ({PS}) and {S}mall {BA}seline {S}ubset ({SBAS}) approaches are optimized to obtain ground displacement rates with a nominal accuracy of millimeters per year. {I}n this paper, we investigate how applying both approaches to {M}exico {C}ity subsidence validates the {I}n{SAR} time series results and brings complementary information to the subsidence pattern. {W}e apply the {PS} approach ({G}amma-{IPTA} chain) and an ad-hoc {SBAS} approach on 38 {ENVISAT} images from {N}ovember 2002 to {M}arch 2007 to map the {M}exico {C}ity subsidence. {T}he subsidence rate maps obtained by both approaches are compared quantitatively and analyzed at different steps of the {PS} processing. {T}he inter-comparison is done separately for low-pass ({LP}) and high-pass ({HP}) filtered difference maps to take the complementarity of both approaches at different scales into account. {T}he inter-comparison shows that the differential subsidence map obtained by the {SBAS} approach describes the local features associated with urban constructions and infrastructures, while the {PS} approach quantitatively characterizes the motion of individual targets. {T}he latter information, once related to the type of building foundations, should be essential to quantify the relative importance of surface loads, surface drying and drying due to aquifer over-exploitation, in subsoil compaction.},
  keywords = {{I}n{SAR} time series ; joint analysis ; permanent scatterer ({PS}) ; subsidence ; small baseline subset ({SBAS})},
  booktitle = {},
  journal = {{IEEE} {J}ournal of {S}elected {T}opics in {A}pplied {E}arth {O}bservations and {R}emote {S}ensing},
  volume = {5},
  numero = {4},
  pages = {1312--1326},
  ISSN = {1939-1404},
  year = {2012},
  DOI = {10.1109/jstars.2012.2191146},
  URL = {https://www.documentation.ird.fr/hor/fdi:010070533},
}