@article{PAR00006010, title = {{O}bservation spatiale {\`a} haute resolution spatiale et temporelle : applications pour le suivi de la ressource hydrique en milieu agricole semi-aride = {R}emote {S}ensing with high space and time resolutions : applications for the {M}onitoring of {W}ater {R}esource in {S}emi-{A}rid {C}roplands}, author = {{D}uchemin, {B}eno{\^i}t and {H}adria, {R}. and {B}enhadj, {I}. and {M}ougenot, {B}ernard and {H}agolle, {O}. and {C}hehbouni, {A}bdelghani and {C}ourault, {D}. and {O}lioso, {A}. and {K}habba, {S}.}, editor = {}, language = {{FRE}}, abstract = {{E}ffective management of environmental resources requires the production of synoptic information at seasonal and regional scales. {O}ptical remote sensing was intensively used for the monitoring of croplands. {U}ntil now, they have been acquired either by high resolution systems ({L}andsat-{TM}, {SPOT}-{HRV}...) with a fine spatial resolution (10m) and a moderate revisit capacities (around 15 days), or by large field-of-view sensors ({SPOT}-{VEGETATION}, {TERRA}-{MODIS}...) that observe the {E}arth every day at a much coarser spatial resolution (250m to 1 km). {S}everal missions with both a high space and time resolution were recently launched or will be launched in the near future ({FORMOSAT}-2, {ENVISAT}-{ASAR}, {V}enus, {R}apid-{E}ye, {S}entinel-2, {T}erra-{SAR}, {C}osmo-{S}kymed). {T}he objective of this communication is to draw the attention to some perspectives offered by these missions in the context of agro-meteorological studies. {T}he examples result mainly from research undertaken in semi-arid areas using {FORMOSAT}-2 data. {T}hey relate to the mapping of land cover the detection of agricultural operations and the monitoring of vegetation dynamics. {T}he interest of this information for the spatialization of crop models - estimate of crop water consumption and irrigation - is also discussed.}, keywords = {}, booktitle = {}, journal = {{H}ouille {B}lanche - {R}evue {I}nternationale de l'{E}au}, numero = {3}, pages = {45--52}, ISSN = {0018-6368}, year = {2010}, DOI = {10.1051/lhb/2010033}, URL = {https://www.documentation.ird.fr/hor/{PAR}00006010}, }