@article{fdi:010088795, title = {{O}bserving the full ocean volume using {D}eep {A}rgo floats}, author = {{Z}ilberman, {N}. {V}. and {T}hierry, {V}. and {K}ing, {B}. and {A}lford, {M}. and {A}ndr{\'e}, {X}. and {B}alem, {K}. and {B}riggs, {N}. and {C}hen, {Z}. {H}. and {C}abanes, {C}. and {C}oppola, {L}. and {D}all'{O}lmo, {G}. and {D}esbruy{\'e}res, {D}. and {F}ernandez, {D}. and {F}oppert, {A}. and {G}ardner, {W}. and {G}asparin, {F}lorent and {H}ally, {B}. and {H}osoda, {S}. and {J}ohnson, {G}. {C}. and {K}obayashi, {T}. and {L}e {B}oyer, {A}. and {L}lovel, {W}. and {O}ke, {P}. and {P}urkey, {S}. and {R}emy, {E}. and {R}oemmich, {D}. and {S}canderbeg, {M}. and {S}utton, {P}. and {W}alicka, {K}. and {W}allace, {L}. and van {W}ijk, {E}. {M}.}, editor = {}, language = {{ENG}}, abstract = {{T}he ocean is the main heat reservoir in {E}arth's climate system, absorbing most of the top-of-the-atmosphere excess radiation. {A}s the climate warms, anomalously warm and fresh ocean waters in the densest layers formed near {A}ntarctica spread northward through the abyssal ocean, while successions of warming and cooling events are seen in the deep-ocean layers formed near {G}reenland. {T}he abyssal warming and freshening expands the ocean volume and raises sea level. {W}hile temperature and salinity characteristics and large-scale circulation of upper 2000 m ocean waters are well monitored, the present ocean observing network is limited by sparse sampling of the deep ocean below 2000 m. {R}ecently developed autonomous robotic platforms, {D}eep {A}rgo floats, collect profiles from the surface to the seafloor. {T}hese instruments supplement satellite, {C}ore {A}rgo float, and ship-based observations to measure heat and freshwater content in the full ocean volume and close the sea level budget. {H}ere, the value of {D}eep {A}rgo and planned strategy to implement the global array are described. {A}dditional objectives of {D}eep {A}rgo may include dissolved oxygen measurements, and testing of ocean mixing and optical scattering sensors. {T}he development of an emerging ocean bathymetry dataset using {D}eep {A}rgo measurements is also described.}, keywords = {deep ocean ; ocean observation ; ocean heat content ({OHC}) ; sea level ({SL}) ; ocean deoxygenation ; bathymetry accuracy ; ocean mixing ; sediment ; transport ; {MONDE}}, booktitle = {}, journal = {{F}rontiers in {M}arine {S}cience}, volume = {10}, numero = {}, pages = {1287867 [12 ]}, year = {2023}, DOI = {10.3389/fmars.2023.1287867}, URL = {https://www.documentation.ird.fr/hor/fdi:010088795}, }