@article{fdi:010075738, title = {{F}rom observation to information and users : the {C}opernicus {M}arine {S}ervice {P}erspective}, author = {{L}e {T}raon, {P}. {Y}. and {R}eppucci, {A}. and {F}anjul, {E}. and {A}ouf, {L}. and {B}ehrens, {A}. and {B}elmonte, {M}. and {B}entamy, {A}. and {B}ertino, {L}. and {B}rando, {V}. {E}. and {K}reiner, {M}. {B}. and {B}enkiran, {M}. and {C}arval, {T}. and {C}iliberti, {S}. {A}. and {C}laustre, {H}. and {C}lementi, {E}. and {C}oppini, {G}. and {C}ossarini, {G}. and {A}lonso-{M}unoyerro, {M}. {A}. and {D}elamarche, {A}. and {D}ibarboure, {G}. and {D}inessen, {F}. and {D}revillon, {M}. and {D}rillet, {Y}. and {F}augere, {Y}. and {F}ernandez, {V}. and {F}leming, {A}. and {G}arcia-{H}ermosa, {M}. {I}. and {S}otillo, {M}. {G}. and {G}arric, {G}. and {G}asparin, {F}. and {G}iordan, {C}. and {G}ehlen, {M}. and {G}regoire, {M}. {L}. and {G}uinehut, {S}. and {H}amon, {M}. and {H}arris, {C}. and {H}ernandez, {F}abrice and {H}inkler, {J}. {B}. and {H}oyer, {J}. and {K}arvonen, {J}. and {K}ay, {S}. and {K}ing, {R}. and {L}avergne, {T}. and {L}emieux-{D}udon, {B}. and {L}ima, {L}. and {M}ao, {C}. {Y}. and {M}artin, {M}. {J}. and {M}asina, {S}. and {M}elet, {A}. and {N}ardelli, {B}. {B}. and {N}olan, {G}. and {P}ascual, {A}. and {P}istoia, {J}. and {P}alazov, {A}. and {P}iolle, {J}. {F}. and {P}ujol, {M}. {I}. and {P}equignet, {A}. {C}. and {P}eneva, {E}. and {G}omez, {B}. {P}. and de la {V}illeon, {L}. {P}. and {P}inardi, {N}. and {P}isano, {A}. and {P}ouliquen, {S}. and {R}eid, {R}. and {R}emy, {E}. and {S}antoleri, {R}. and {S}iddorn, {J}. and {S}he, {J}. and {S}taneva, {J}. and {S}toffelen, {A}. and {T}onani, {M}. and {V}andenbulcke, {L}. and {S}chuckmann, {K}. and {V}olpe, {G}. and {W}ettre, {C}. and {Z}acharioudaki, {A}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {C}opernicus {M}arine {E}nvironment {M}onitoring {S}ervice ({CMEMS}) provides regular and systematic reference information on the physical and biogeochemical ocean and sea-ice state for the global ocean and the {E}uropean regional seas. {CMEMS} serves a wide range of users (more than 15,000 users are now registered to the service) and applications. {O}bservations are a fundamental pillar of the {CMEMS} value-added chain that goes from observation to information and users. {O}bservations are used by {CMEMS} {T}hematic {A}ssembly {C}entres ({TAC}s) to derive high-level data products and by {CMEMS} {M}onitoring and {F}orecasting {C}entres ({MFC}s) to validate and constrain their global and regional ocean analysis and forecasting systems. {T}his paper presents an overview of {CMEMS}, its evolution, and how the value of in situ and satellite observations is increased through the generation of high-level products ready to be used by downstream applications and services. {T}he complementary nature of satellite and in situ observations is highlighted. {L}ong-term perspectives for the development of {CMEMS} are described and implications for the evolution of the in situ and satellite observing systems are outlined. {R}esults from {O}bserving {S}ystem {E}valuations ({OSE}s) and {O}bserving {S}ystem {S}imulation {E}xperiments ({OSSE}s) illustrate the high dependencies of {CMEMS} systems on observations. {F}inally future {CMEMS} requirements for both satellite and in situ observations are detailed.}, keywords = {ocean ; observing systems ; satellite ; in situ ; data assimilation ; services}, booktitle = {}, journal = {{F}rontiers in {M}arine {S}cience}, volume = {6}, numero = {}, pages = {art. 234 [22 p.]}, year = {2019}, DOI = {10.3389/fmars.2019.00234}, URL = {https://www.documentation.ird.fr/hor/fdi:010075738}, }