@article{fdi:010067501,
  title = {{M}apping the 2010 {M}erapi pyroclastic deposits using dual-polarization {S}ynthetic {A}perture {R}adar ({SAR}) data},
  author = {{S}olikhin, {A}. and {P}inel, {V}irginie and {V}andemeulebrouck, {J}. and {T}houret, {J}.{C}. and {H}endrasto, {M}.},
  editor = {},
  language = {{ENG}},
  abstract = {{L}-band {ALOS}-{PALSAR} images acquired before, during and after the 2010 {M}erapi eruption have been used to classify and map the pyroclastic deposits emplaced during this {VEI}-4 event. {W}e characterize the deposits using direct-polarized and cross-polarized {L}-band {SAR} data and by combining the information of amplitude evolution with temporal decorrelation. {C}hanges in amplitude of the radar signal enable us to map the pyroclastic density currents ({PDC}s) and tephra-fall deposits. {R}adar amplitudes in direct ({HH}) and cross ({HV}) polarizations decrease where the valley-confined and overbank block-and-ash flow ({BAF}) deposits ({D}1) are emplaced. {R}ainfall- and runoff-reworked {PDC} deposits ({D}2) are characterized by an increase in ground backscattering for {HH} polarization and a decrease for {HV} polarization. {G}round backscattering transiently increases in both polarizations after pyrodastic surge ({D}3) and tephra fall ({D}4) deposition. {W}e use a supervised classification method based on maximum likelihood to map the deposits {D}1-{D}4. {T}he temporal decorrelation of the radar signal and the amplitude evolution improve the quality of classification results. {C}lassification derived from {ALOS}-{PALSAR} images using the maximum likelihood classification provides a result with 70% classification accuracy for deposits overall. {T}he estimated areas of valley-confined and overbank {PDC} deposits (either primary or reworked by rainfall and runoff) are consistent with the areas measured by other studies, while the large discrepancy in area estimated for pyroclastic-surge deposits can be partly explained by the strong erosion due to intense rainfall that removed a large part of these thin deposits.},
  keywords = {{INDONESIE} ; {JAVA}},
  booktitle = {},
  journal = {{R}emote {S}ensing of {E}nvironment},
  volume = {158},
  numero = {},
  pages = {180--192},
  year = {2015},
  DOI = {10.1016/j.rse.2014.11.002},
  URL = {https://www.documentation.ird.fr/hor/fdi:010067501},
}