To download all objects using wget:

wget -r -H -N --cut-dirs=3 --include-directories="/v1/" "https://swiftbrowser.dkrz.de/public/dkrz_1e33ba3a-9ecb-452f-93b9-583cf4a66e57/ICON-HErZ/?show_all"

Name
20131206
20131201
20131202
20131203
20131204
20131205
20131206
20131207
20131208
20131209
20131210
20131211
20131212
20131213
20131214
20131215
20131216
20131217
20131218
20131219
20131220
20131221
20131222
20131223
20131224
20131225
20131226
20131227
20131228
20131229
20131230
20150830
20160606
20160715
20160716
20160717
20160726
20160727
20160728
20160729
20160730
20160731
20160801
20160802
20160803
20160804
20160805
20160806
20160807
20160808
20160809
20160810
20160811
20160812
20160813
20160814
20160815
20160816
20160817
20160818
20160819
20160820
20160821
20160822
20160823
20160824
20160825
20160826
20160827
20160828
20160829
20160830
20160831
Gaston
Hurricane_Fiona
Irma
Long_series
Sandrine
Season-Aug
Season-Dec
Visualization
hdcpMCEA
narval_synsat_analysis
ReadMe.txt