To download all objects using wget:

wget -r -H -N --cut-dirs=3 --include-directories="/v1/" "https://swiftbrowser.dkrz.de/public/dkrz_035d8f6ff058403bb42f8302e6badfbc/Sidorenko_FESOM2.0_ECHAM6.3_2019/?show_all"

Name
FESOM2.0_ECHAM6.3.tar.gz