@article{fdi:010078880, title = {{A} study of the solid earth tides, ocean and atmospheric loadings using an 8-year record (2010-2018) from superconducting gravimeter {OSG}-060 at {D}jougou ({B}enin, {W}est {A}frica)}, author = {{H}inderer, {J}. and {R}iccardi, {U}. and {R}osat, {S}. and {B}oy, {J}. {P}. and {H}ector, {B}asile and {C}alvo, {M}. and {L}ittel, {F}. and {B}ernard, {J}. {D}.}, editor = {}, language = {{ENG}}, abstract = {{W}e investigate a nearly 8-year record (2010-2018) of the superconducting gravimeter {OSG}-060 located at {D}jougou ({B}enin, {W}est {A}frica). {W}e first perform a tidal analysis with {ET}34-{ANA} v7.1 software that leads to the gravimetric amplitude and phase factors for all separable waves according to the available time duration. {W}e test nine different ocean tide models for the main eleven tidal constituents ({S}sa, {M}m, {M}f, {Q}1, {O}1, {P}1, {K}1, {N}2, {M}2, {S}2, {K}2). {A}fter correction for ocean tidal loading we obtain the real and imaginary parts of the residual vector. {W}e also investigate atmospheric loading which is dominated in this equatorial location by the thermal waves {S}1 and {S}2 that are modulated in amplitude by annual and semi-annual components. {A}fter correction for ocean loading, we test different air pressure corrections on the tidal gravimetric factors for the waves {S}a, {S}sa, {S}1 and {S}2. {W}e show the rather large discrepancy that exists between the classical single admittance pressure reduction and a hybrid model using global atmospheric models everywhere except in the local zone where the model pressure is replaced by the observed pressure.}, keywords = {{T}ime variable gravity ; {S}uperconducting gravimeter ; {A}frica ; {T}ides ; {L}oading ; {BENIN} ; {DJOUGOU}}, booktitle = {}, journal = {{J}ournal of {G}eodynamics}, volume = {134}, numero = {}, pages = {art. 101692 [11 p.]}, ISSN = {0264-3707}, year = {2020}, DOI = {10.1016/j.jog.2019.101692}, URL = {https://www.documentation.ird.fr/hor/fdi:010078880}, }