SNOW (GLACIOLOGY); ICE (MINERALOGY); ICE (GLACIOLOGY); FIRNIFICATION + SNOW COVER CHANGES (METEOROLOGY); RECRYSTALLIZATION, SUCCESSION AND RECURRENCE (CRYSTALLOGRAPHY); NITROGEN OXIDES (INORGANIC CHEMISTRY); METAMORPHISM (PETROGRAPHY); AQUEOUS VAPOUR + HYDROMETEORS (METEOROLOGY); STRUCTURE + TEXTURE + FABRICS (PETROGRAPHY); AIR TEMPERATURE/OBSERVATION METHODS AND CALCULATION (METEOROLOGY); SCHNEE (GLAZIOLOGIE); EIS (MINERALOGIE); EIS (GLAZIOLOGIE); FIRNBILDUNG + SCHNEEDECKENVERÄNDERUNGEN (METEOROLOGIE); REKRISTALLISATION, SUKZESSION, REKURRENZ (KRISTALLOGRAPHIE); STICKSTOFFOXIDE (ANORGANISCHE CHEMIE); METAMORPHOSE (PETROGRAPHIE); WASSERDAMPF + HYDROMETEORE (METEOROLOGIE); STRUKTUR + TEXTUR + GEFÜGE (PETROGRAPHIE); LUFTTEMPERATURBEOBACHTUNG, VERFAHREN UND AUSWERTUNG