@article{PAR00005840,
  title = {{C}omment et pourquoi mesurer l'humidit{\'e} des sols ? = {H}ow and why measure soil moisture ?},
  author = {{K}err, {Y}ann},
  editor = {},
  language = {{FRE}},
  abstract = {{L}_humidit{\'e} superficielle a toujours {\'e}t{\'e} une variable de surface tr{\`e}s recherch{\'e}e, mais son obtention de fa{\c{c}}on mondiale s_est toujours av{\'e}r{\'e}e une gageure. {L}a qu{\^e}te pour cette humidit{\'e} a commenc{\'e} {\`a} trouver une solution avec l_av{\`e}nement des mesures de l_espace (t{\'e}l{\'e}d{\'e}tection). {C}ependant toutes les techniques tent{\'e}es {\`a} ce jour ont trouv{\'e}es leurs limitations, et ce n_est qu_avec l_apparition de nouvelles approches (en t{\'e}l{\'e}d{\'e}tection hyper-fr{\'e}quences passives) que de v{\'e}ritables solutions commencent {\`a} pouvoir {\^e}tre envisag{\'e}es. {L}e but de cette pr{\'e}sentation est de donner un aper{\c{c}}u des techniques existantes, de leurs avantages et inconv{\'e}nients respectifs ainsi que des possibilit{\'e}s futures {\`a} moyen ou court terme avec des missions pr{\'e}vues.  {S}oil moisture has always been a most required surface variable, but its retrieval in a global fashion has always proved very difficult. {T}he quest for the soil moisture started to find solutions when remotely sensed data became available. {T}he goal of this presentation is to try to give an overview of existing approaches all over the available spectrum, asses advantages and drawbacks with respect to varying end uses so as to identify the different possibilities currently available as well as the potential ways forward. {T}he first goal of this keynote is to endeavour to give a view of the history and the current state of the art of "global" soil moisture retrievals. {T}he second goal is to provide a feeling of what could be the future evolution required to obtain, from space, accurate, adequate, and useful information on soil moisture.},
  keywords = {},
  booktitle = {},
  journal = {{H}ouille {B}lanche},
  numero = {2},
  pages = {103--106},
  ISSN = {0018-6368},
  year = {2010},
  DOI = {10.1051/lhb:2010024},
  URL = {https://www.documentation.ird.fr/hor/{PAR}00005840},
}