Levelling detail for

Benchmark positionning related to the tide gauge station

2009-06-15

Benchmarks description table

SOURCE : Geoscience Australia campaign

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
BM22	----	----	9.000	----
BM23	----	----	8.914	----
BM24	----	----	9.571	----
BM26	----	----	8.883	----
BM27	----	----	7.991	----
BM28	----	----	7.992	----
TUV19	----	----	9.262	----
TUV20	----	----	10.233	----
TUVABM	----	----	8.516	----
TUVA	----	----	9.480	----

Legend : Fondamental benchmark, GNSS Benchmarks

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			BM22	BM22	BM22	BM22	BM22	BM22	BM22	BM22	BM22	TUVABM
End point			BM23	BM24	BM26	BM27	BM28	TUV19	TUV20	TUVABM	BM25	TUVA
Distance (m)			----	----	----	----	----	----	----	----	----	----
Height difference (m)	Campaign 12	2009-06-15	-0.0857 ± 0.001	0.5712 ± 0.001	-0.1172 ± 0.001	-1.0092 ± 0.001	-1.0083 ± 0.001	0.2623 ± 0.001	1.2334 ± 0.001	-0.4836 ± 0.001	---	0.9631 ± 0.001
	Campaign 11	2007-06-15	-0.0861 ± 0.001	0.5708 ± 0.001	-0.1175 ± 0.001	-1.0097 ± 0.001	---	0.2625 ± 0.001	1.2339 ± 0.001	-0.4847 ± 0.001	---	0.9631 ± 0.001
	Campaign 10	2005-09-15	-0.0861 ± 0.001	0.5710 ± 0.001	-0.1155 ± 0.001	-1.0077 ± 0.001	---	0.2613 ± 0.001	1.2339 ± 0.001	-0.4822 ± 0.001	0.3119 ± 0.001	0.9631 ± 0.001
	Campaign 9	2005-06-15	-0.0868 ± 0.001	0.5705 ± 0.001	-0.1152 ± 0.001	-1.0078 ± 0.001	---	0.2610 ± 0.001	1.2338 ± 0.001	-0.4829 ± 0.001	0.3125 ± 0.001	0.9631 ± 0.001
	Campaign 8	2003-06-15	-0.0863 ± 0.001	0.5706 ± 0.001	-0.1155 ± 0.001	-1.0089 ± 0.001	---	0.2597 ± 0.001	1.2339 ± 0.001	-0.4840 ± 0.001	0.3115 ± 0.001	0.9631 ± 0.001
	Campaign 7	2002-06-15	-0.0864 ± 0.001	0.5698 ± 0.001	---	---	---	0.2594 ± 0.001	1.2345 ± 0.001	---	---	---
	Campaign 6	2000-06-15	-0.0868 ± 0.001	0.5697 ± 0.001	---	---	---	0.2588 ± 0.001	1.2346 ± 0.001	---	---	---
	Campaign 5	1998-06-15	-0.0871 ± 0.001	0.5699 ± 0.001	---	---	---	0.2594 ± 0.001	1.2361 ± 0.001	---	---	---
	Campaign 4	1997-06-15	-0.0867 ± 0.001	0.5704 ± 0.001	---	---	---	0.2580 ± 0.001	1.2354 ± 0.001	---	---	---
	Campaign 3	1995-06-15	-0.0862 ± 0.001	0.5718 ± 0.001	---	---	---	0.2579 ± 0.001	1.2355 ± 0.001	---	---	---
	Campaign 2	1994-06-15	-0.0860 ± 0.001	0.5714 ± 0.001	---	---	---	0.2572 ± 0.001	1.2349 ± 0.001	---	---	---
	Campaign 1	1993-06-15	-0.0869 ± 0.001	0.5728 ± 0.001	---	---	---	0.2559 ± 0.001	1.2345 ± 0.001	---	---	---
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION TUVALU ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- BM22 ---- ---- 9.000 2009 0.00000 ---- BM23 ---- ---- 8.914 2009 0.00100 ---- BM24 ---- ---- 9.571 2009 0.00100 ---- BM25 ---- ---- 9.312 2005 0.00100 ---- BM26 ---- ---- 8.883 2009 0.00100 ---- BM27 ---- ---- 7.991 2009 0.00100 ---- BM28 ---- ---- 7.992 2009 0.00100 ---- TUV19 ---- ---- 9.262 2009 0.00100 ---- TUV20 ---- ---- 10.233 2009 0.00100 ---- TUVABM ---- ---- 8.516 2009 0.00100 ---- TUVA ---- ---- 9.480 2009 0.00200 ----

LEVELING OF TUVALU

Benchmark positionning related to the tide gauge station

Benchmarks description table

Benchmarks vertical positionning diagram

Leveling evolution

Download leveling data

Co-located instruments

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