Merge branch 'main' of https://gitlab.awi.de/siteo/cryotempo/oib-validation

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201901_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201902_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201903_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201904_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201905_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201909_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201910_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201911_D001.nc

...onth/2019/CS_OFFL_SIR_TDP_SI_nh_25km_ease2-201912_D001.nc

.../month/2019/CS_OFFL_SIR_TDP_SI_sh25kmEASE2-201903_D001.nc

.../month/2019/CS_OFFL_SIR_TDP_SI_sh25kmEASE2-201909_D001.nc

...th/2019/CS_OFFL_SIR_TDP_SI_sh_12p5km_ease2-201903_D001.nc

...th/2019/CS_OFFL_SIR_TDP_SI_sh_12p5km_ease2-201909_D001.nc

...9/CS_OFFL_SIR_TDP_SI_sh_12p5km_ease2_sinxs-201903_D001.nc

...9/CS_OFFL_SIR_TDP_SI_sh_12p5km_ease2_sinxs-201909_D001.nc

...25km/day/seaice-refdata-icebird-nh_25km_ease2-20170402.nc

...25km/day/seaice-refdata-icebird-nh_25km_ease2-20170404.nc

...25km/day/seaice-refdata-icebird-nh_25km_ease2-20170406.nc

...25km/day/seaice-refdata-icebird-nh_25km_ease2-20170408.nc

...25km/day/seaice-refdata-icebird-nh_25km_ease2-20190402.nc