https://land.copernicus.vgt.vito.be/PDF/datapool/Vegetation/Soil_Water_Index/SWI_STATIC_V3/2015/01/01/SWI-STATIC-DGG_201501010000_GLOBE_ASCAT_V3.0.1/c_gls_SWI-STATIC-DGG_201501010000_GLOBE_ASCAT_V3.0.1.nc