To download all objects using wget:

wget -r -H -N --cut-dirs=3 --include-directories="/v1/" "https://swiftbrowser.dkrz.de/public/dkrz_713c5812-40a6-4d9c-a938-50cfce20c44f/CoCO2_VPRM_fluxes_2020/?show_all"

Name
fluxes_2020_1
fluxes_2020_2
fluxes_2020_3
fluxes_2020_4
fluxes_2020_5
fluxes_2020_6