Ground-based electromagnetic (EM) and drill-hole ice and snow thickness and melt pond depth measurements during Polarstern cruise ARK-IX/4, ARK-XI/1, and ARK-XII

arctic ocean; ark11_203p1; ark11_205p1; ark11_205p2; ark11_206p1; ark11_207p1; ark11_209p1; ark11_210p1; ark11_216p1; ark11_219p1; ark11_219p3; ark11_221p1; ark11_228p1; ark11_229p1; ark11_230p1; ark11_232p1; ark11_232p2; ark11_233p1; ark11_234p1; ark11_235p1; ark11_236p1; ark11_237p1; ark11_237p2; ark11_238p1; ark11_239p1; ark11_240p1; ark11_241p1; ark11_242p1; ark11_243p1; ark11_247p1; ark12_207p1; ark12_207p2; ark12_208p1; ark12_209p1; ark12_210p1; ark12_212p1; ark12_212p2; ark12_213p1; ark12_214p1; ark12_215p1; ark12_216p1; ark12_218p1; ark12_219p1; ark12_220p1; ark12_221p1; ark12_222p1; ark12_223p1; ark12_226p1; ark12_227p1; ark12_229p1; ark12_230p1; ark12_231p1; ark12_232p1; ark12_232p2; ark12_232p3; ark12_233p1; ark12_234p1; ark12_236p1; ark12_236p2; ark12_238p1; ark12_239p1; ark12_240p1; ark12_240p2; ark12_240p3; ark12_240p4; ark12_240p5; ark12_240p6; ark12_240p7; ark12_242p1; ark12_243p1; ark12_246p1; ark12_247p1; ark12_249p1; ark9_4_246p1; ark9_4_251p1; ark9_4_253p1; ark9_4_254p1; ark9_4_255p1; ark9_4_256p1; ark9_4_257p1; ark9_4_258p1; ark9_4_260p1; ark9_4_261p1; ark9_4_264p1; ark-ix/4; ark-xi/1; ark-xii; awi_seaice; east siberian sea; feme; icem; ice measurement; kara/laptev sea/transpolar drift; laptev sea; polarstern; ps27; ps36; ps41; remote sensing of sea ice properties; sea ice physics @ awi