Event label	Optional label	Method/Device	Abbreviation	O2A Registry URI	Date/Time	Latitude	Longitude	Elevation	Date/Time end	Latitude end	Longitude end	Elevation end	Comment
CH19-U1	U1	Sampling permafrost	PERM		2019-03-11T12:04:00	68.50447	161.48839	18.2					SIPRE 3.5"; all frozen while sampling; 12 samples
CH19-B3	B3	Sampling permafrost	PERM		2019-07-07T14:11:00	68.51269	161.50875	7.3					fixed volume cylinder 250 cm³ (active layer); SIPRE 3.5" (permafrost); 110 cm (top 38 unfrozen); 18 samples
CH19-U3	U3	Sampling permafrost	PERM		2019-07-08T16:07:00	68.51278	161.51461	10.1					fixed volume cylinder 250 cm³ (active layer); SIPRE 3.5" (permafrost); 114 cm (top 53 unfrozen); 18 samples
CH19-B2	B2	Sampling permafrost	PERM		2019-07-10T07:38:00	68.51111	161.50853	8.5					fixed volume cylinder 250 cm³ (active layer); SIPRE 3.5" (permafrost); 108 cm (top 51 unfrozen); 15 samples
CH19-B1	B1	Sampling permafrost	PERM		2019-07-13T10:22:00	68.51217	161.49628	9.2					fixed volume cylinder 250 cm³ (active layer); SIPRE 3.5" (permafrost); 127 cm (top 80 unfrozen); 17 samples;