Levelling detail for

Benchmark positionning related to the tide gauge station

2005-02-15

2005-05-18

Benchmarks description table

SOURCE : Fiche d'observatoire de marée SHOM n°2874

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
A	49.48261111	0.11680556	11.905	790
B	----	----	---	----
C	49.48113889	0.10569444	12.601	90
F	49.48188889	0.10605556	12.501	0
G	----	----	12.841	----
H	----	----	---	----
D	----	----	10.756	----
I	----	----	11.571	----
J	----	----	11.998	----
K	----	----	13.049	----

Legend : Fondamental benchmark

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			B	B	F	F	A	A	C	G
End point			F	G	G	C	G	C	G	H
Distance (m)			----	----	----	87	----	822	----	----
Height difference (m)	Campaign 4	2018-10-12	---	---	---	---	---	---	---	---
	Campaign 3	2013-10-15	---	---	---	---	---	---	---	---
	Campaign 2	2005-05-18	0.3290 ± 0.001	0.6700 ± 0.001	0.3410 ± 0.001	---	1.2020 ± 0.001	---	---	---
	Campaign 1	2005-02-15	---	---	0.3410 ± 0.001	0.1020 ± 0.001	---	0.9630 ± 0.001	0.2390 ± 0.001	0.2070 ± 0.001
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION Le Havre - Vigie Ecluse François 1er ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- A 49.482611 0.116806 11.905 2018 0.00000 4190 B ---- ---- 12.176 2013 0.00100 ---- C 49.481139 0.105694 12.601 2018 0.00100 4970 F 49.481889 0.106056 12.501 2018 0.00100 4950 G ---- ---- 12.841 2018 0.00200 ---- H ---- ---- 13.048 2013 0.00100 ---- D ---- ---- 10.756 2018 0.00100 ---- I ---- ---- 11.571 2018 0.00100 ---- J ---- ---- 11.998 2018 0.00200 ---- K ---- ---- 13.049 2018 0.00200 ----

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Co-located instruments

Tide Gauge : LE_HAVRE (HAVRE)
GPS : Le Havre - Vigie Ecluse François 1er (FRAN)