@article{fdi:010061266,
  title = {{S}ensitivity analysis of {X}-band {SAR} to wheat and barley leaf area index in the {M}erguellil {B}asin},
  author = {{F}ontanelli, {G}. and {P}aloscia, {S}. and {Z}ribi, {M}ehrez and {C}hahbi, {A}.},
  editor = {},
  language = {{ENG}},
  abstract = {{R}emote sensing of vegetation by using active microwave sensors is important for the management of land and water resources. {M}icrowave radiation at {X}-band penetrates only the upper part of the canopy; thus, radar backscattering comes mainly from the top vegetation layer, making the scattering from soil almost negligible. {F}ourteen in situ measurement campaigns were carried out during which sixteen {SAR} images of {COSMO}-{S}ky{M}ed and {T}erra{SAR}-{X} were acquired on the test site of {M}erguellil {B}asin, in the centre of {T}unisia, from {M}arch to {M}ay 2012. {A} clear sensitivity of the backscattering coefficient, measured by both sensors, to the leaf area index ({LAI}) of green plants of wheat and barley (at both {HH} and {VV} polarizations) was observed, and it did not seem to be greatly affected by the variations in soil moisture, even in {HH} polarization. {A}s expected, the sensitivity to {LAI} of dry plants was, instead, almost negligible. {T}he decreasing trend of backscattering as vegetation grows, which has already been observed in past investigations, also at lower frequencies, was confirmed. {D}ue to the similar geometry and dimensions of the two crop types, none of the sensors succeeded in separating the two crop types.},
  keywords = {{TUNISIE}},
  booktitle = {},
  journal = {{R}emote {S}ensing {L}etters},
  volume = {4},
  numero = {11},
  pages = {1107--1116},
  ISSN = {2150-704{X}},
  year = {2013},
  DOI = {10.1080/2150704x.2013.842285},
  URL = {https://www.documentation.ird.fr/hor/fdi:010061266},
}