Levelling detail for

Benchmark positionning related to the tide gauge station

2008-10-15

Benchmarks description table

SOURCE : Geoscience Australia campaign

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
TON1	----	----	8.000	----
TON2	----	----	7.680	----
TON3	----	----	14.505	----
TON60	----	----	8.323	----
TON61	----	----	7.973	----
TONGBM	----	----	8.864	----
TON15	----	----	9.153	----
TON16	----	----	---	----
TON62	----	----	8.002	----
TONG	----	----	9.831	----

Legend : Fondamental benchmark, GNSS Benchmarks

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			TON1	TON1	TON1	TON1	TON1	TON1	TON1	TON1	TONGBM
End point			TON2	TON3	TON60	TON61	TON62	TONGBM	TON15	TON16	TONG
Distance (m)			----	----	----	----	----	----	----	----	----
Height difference (m)	Campaign 12	2008-10-15	-0.3201 ± 0.001	6.5051 ± 0.001	0.3235 ± 0.001	-0.0268 ± 0.001	0.0021 ± 0.001	0.8644 ± 0.001	1.1528 ± 0.001	---	0.9662 ± 0.001
	Campaign 11	2007-06-15	-0.3201 ± 0.001	6.5053 ± 0.001	0.3241 ± 0.001	-0.0266 ± 0.001	0.0022 ± 0.001	0.8646 ± 0.001	1.1537 ± 0.001	2.7774 ± 0.001	0.9662 ± 0.001
	Campaign 10	2005-09-15	-0.3202 ± 0.001	6.5046 ± 0.001	0.3311 ± 0.001	-0.0265 ± 0.001	0.0017 ± 0.001	0.8642 ± 0.001	1.1506 ± 0.001	2.7696 ± 0.001	0.9662 ± 0.001
	Campaign 9	2005-06-15	-0.3205 ± 0.001	6.5042 ± 0.001	0.3311 ± 0.001	-0.0273 ± 0.001	0.0010 ± 0.001	0.8635 ± 0.001	1.1513 ± 0.001	2.7705 ± 0.001	0.9662 ± 0.001
	Campaign 8	2003-06-15	-0.3208 ± 0.001	6.5043 ± 0.001	0.3314 ± 0.001	-0.0273 ± 0.001	0.0008 ± 0.001	0.8632 ± 0.001	1.1514 ± 0.001	2.7701 ± 0.001	0.9662 ± 0.001
	Campaign 7	2002-06-15	-0.3205 ± 0.001	6.5041 ± 0.001	0.3318 ± 0.001	-0.0272 ± 0.001	0.0012 ± 0.001	0.8640 ± 0.001	1.1517 ± 0.001	2.7710 ± 0.001	0.9662 ± 0.001
	Campaign 6	2000-06-15	-0.3218 ± 0.001	6.5025 ± 0.001	---	---	---	---	1.1509 ± 0.001	2.7714 ± 0.001	---
	Campaign 5	1999-06-15	-0.3207 ± 0.001	6.5037 ± 0.001	---	---	---	---	1.1512 ± 0.001	2.7715 ± 0.001	---
	Campaign 4	1997-06-15	-0.3212 ± 0.001	6.5031 ± 0.001	---	---	---	---	1.1515 ± 0.001	2.7710 ± 0.001	---
	Campaign 3	1996-06-15	-0.3213 ± 0.001	6.5026 ± 0.001	---	---	---	---	1.1530 ± 0.001	2.7803 ± 0.001	---
	Campaign 2	1995-06-15	-0.3205 ± 0.001	6.5038 ± 0.001	---	---	---	---	1.1521 ± 0.001	2.7775 ± 0.001	---
	Campaign 1	1994-06-15	-0.3208 ± 0.001	6.5031 ± 0.001	---	---	---	---	1.1524 ± 0.001	2.7778 ± 0.001	---
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION TONGA ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- TON1 ---- ---- 8.000 2008 0.00000 ---- TON2 ---- ---- 7.680 2008 0.00100 ---- TON3 ---- ---- 14.505 2008 0.00100 ---- TON60 ---- ---- 8.323 2008 0.00100 ---- TON61 ---- ---- 7.973 2008 0.00100 ---- TONGBM ---- ---- 8.864 2008 0.00100 ---- TON15 ---- ---- 9.153 2008 0.00100 ---- TON16 ---- ---- 10.777 2007 0.00100 ---- TON62 ---- ---- 8.002 2008 0.00100 ---- TONG ---- ---- 9.831 2008 0.00200 ----

LEVELING OF TONGA

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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