Methane, helium isotope and hydrogen data from the Nibelungen hydrothermal area, Mid Atlantic Ridge

ctd/rosette; ctd-ro; deridge; from mantle to ocean: energy-, material- and life-cycles at spreading axes; m62/5a; m62/5a-1211-ctd-ladcp; m62/5a-1212-ctd-ladcp; m62/5a-1214-ctd-ladcp; m62/5a-1215-ctd-ladcp; m62/5a-1216-ctd-ladcp; m62/5a-1217-ctd-ladcp; m62/5b; m62/5b-1222-ctd-ladcp; m62/5b-1223-ctd-ladcp; m62/5b-1224-ctd-ladcp; m62/5b-1225-ctd-ladcp; m62/5b-1226-ctd-ladcp; m62/5b-1227-ctd-ladcp; m62/5b-1228-ctd-ladcp; m62/5b-1229-ctd-ladcp; m62/5b-1230-ctd-ladcp; m62/5b-1231-ctd-ladcp; m62/5b-1233-ctd-ladcp; m62/5b-1234-ctd-ladcp; m62/5b-1237-ctd-ladcp; m62/5b-1238-ctd-ladcp; m62/5b-1239-ctd-ladcp; m62/5b-1240-ctd-ladcp; m62/5b-1253-ctd-ladcp; m62/5b-1254-ctd-ladcp; m62/5b-1255-ctd-ladcp; m62/5b-1256-ctd-ladcp; m62/5b-1257-ctd-ladcp; m62/5b-1259-ctd-ladcp; m62/5b-1260-ctd-ladcp; m62/5b-1261-ctd-ladcp; m62/5b-1262-ctd-ladcp; m62/5b-1265-ctd-ladcp; m62/5b-1266-ctd-ladcp; m62/5b-1267-ctd-ladcp; m62/5b-1269-ctd-ladcp; m62/5b-1270-ctd-ladcp; m62/5b-1271-ctd-ladcp; m62/5b-1273-ctd-ladcp; m62/5b-1274-ctd-ladcp; m62/5b-1275-ctd-ladcp; m62/5b-1276-ctd-ladcp; m62/5b-1279-ctd-ladcp; m62/5b-1287-ctd-ladcp; m62/5b-1289-ctd-ladcp; m62/5b-1290-ctd-ladcp; m68/1; m68/1-43-99; m68/1-43-ctd; m68/1-47-103; m68/1-47-ctd; m68/1-49-105; m68/1-49-ctd; m68/1-50-106; m68/1-50-ctd; m68/1-51-107; m68/1-51-ctd; m68/1-52-108; m68/1-52-ctd; m68/1-59-115; m68/1-59-ctd; m68/1-64-120; m68/1-64-ctd; marsued3; meteor (1986); mult; multiple investigations; south atlantic/subtropical