@article{PAR00011389,
  title = {{C}omparison between {SMOS}, {VUA}, {ASCAT}, and {ECMWF} soil moisture products over four watersheds in {US}},
  author = {{L}eroux, {D}. {J}. and {K}err, {Y}ann and {A}l {B}itar, {A}. and {B}indlish, {R}. and {J}ackson, {T}. {J}. and {B}erthelot, {B}. and {P}ortet, {G}.},
  editor = {},
  language = {{ENG}},
  abstract = {{A}s part of the {S}oil {M}oisture and {O}cean {S}alinity ({SMOS}) validation process, a comparison of the skills of three satellites [{SMOS}, {A}dvanced {M}icrowave {S}canning {R}adiometer-{E}arth {O}bserving {S}ystem ({AMSR}-{E}) or {A}dvanced {M}icrowave {S}canning {R}adiometer, and {A}dvanced {S}catterometer ({ASCAT})], and one-model {E}uropean {C}entre for {M}edium {R}ange {W}eather {F}orecasting ({ECMWF}) soil moisture products is conducted over four watersheds located in the {U}. {S}. {T}he four products compared in for 2010 over four soil moisture networks were used for the calibration of {AMSR}-{E}. {T}he results indicate that {SMOS} retrievals are closest to the ground measurements with a low average root mean square error of 0.061 m (3) . m(-3) for the morning overpass and 0.067 m (3) . m(-3) for the afternoon overpass, which represents an improvement by a factor of 2-3 compared with the other products. {T}he {ECMWF} product has good correlation coefficients (around 0.78) but has a constant bias of 0.1-0.2 m (3) . m(-3) over the four networks. {T}he land parameter retrieval model {AMSR}-{E} product gives reasonable results in terms of correlation (around 0.73) but has a variable seasonal bias over the year. {T}he {ASCAT} soil moisture index is found to be very noisy and unstable.},
  keywords = {{S}oil moisture ; {S}oil {M}oisture and {O}cean {S}alinity ({SMOS}) ; validation ; {ETATS} {UNIS}},
  booktitle = {},
  journal = {{IEEE} {T}ransactions on {G}eoscience and {R}emote {S}ensing},
  volume = {52},
  numero = {3},
  pages = {1562--1571},
  ISSN = {0196-2892},
  year = {2014},
  DOI = {10.1109/tgrs.2013.2252468},
  URL = {https://www.documentation.ird.fr/hor/{PAR}00011389},
}