Levelling detail for

Benchmark positionning related to the tide gauge station

2001-06-20

Benchmarks description table

SOURCE : Installation de la station DORIS

Levelling campain :

Benchmark	Latitude (°)	Longitude (°)	Height (m)	Distance to Tide Gauge (m)
UH1	----	----	9.064	----
UH2	-4.67634292	55.52931828	9.002	20
UH3	----	----	8.153	----
RS1	-4.67889264	55.53087017	8.923	310
RS2	-4.67893109	55.53067103	8.379	310
RS3	-4.67871394	55.53058124	8.225	280
MAHB	-4.67882471	55.53086984	11.505	310
DORIS/Mark	-4.67883471	55.53086984	9.083	310
NCP41	-4.69237919	55.53430501	8.952	1840
DORIS North	----	----	9.092	----
DORIS South	----	----	9.089	----
DORIS East	----	----	9.090	----
DORIS West	----	----	9.091	----

Legend : Fondamental benchmark, GNSS Benchmarks

Benchmarks vertical positionning diagram

Reference:

Leveling evolution

Stand point			UH1	UH1	UH1	UH1	UH1	UH1	UH1	UH1	UH1	UH1	UH2	UH2	B1	B1	B1	B1	B1	B2	B2	B2	B2	BMG5	BMG5	BMG5	MAHB	MAHB	MAHB	MAHB	MAHB	MAHB	DORIS/Mark	DORIS/Mark	DORIS/Mark	DORIS/Mark	DORIS/Mark
End point			UH2	UH3	B1	B2	BMG5	DORIS/Mark	DORIS North	DORIS South	DORIS East	DORIS West	DORIS/Mark	NCP41	DORIS/Mark	B2	BMG5	UH2	NCP41	DORIS/Mark	BMG5	UH2	NCP41	DORIS/Mark	UH2	NCP41	DORIS/Mark	B1	B2	BMG5	UH2	NCP41	B1	B2	BMG5	UH2	NCP41
Distance (m)			----	----	----	----	----	----	----	----	----	----	325	1857	6	23	38	330	1539	24	26	323	1541	35	297	1566	1	8	25	34	324	1546	6	24	35	325	1545
Height difference (m)	Campaign 1	2001-06-20	-0.0620 ± 0.01	-0.9110 ± 0.01	-0.1330 ± 0.01	-0.6820 ± 0.01	-0.8310 ± 0.01	0.0270 ± 0.01	0.0280 ± 0.01	0.0250 ± 0.01	0.0260 ± 0.01	0.0270 ± 0.01	0.0890 ± 0.001	-0.0500 ± 0.01	0.1600 ± 0.001	-0.5440 ± 0.01	-0.6980 ± 0.01	0.0790 ± 0.01	0.0290 ± 0.01	0.7090 ± 0.001	-0.1540 ± 0.01	0.6230 ± 0.01	0.5730 ± 0.01	0.8580 ± 0.001	0.7770 ± 0.01	0.7270 ± 0.01	-2.4220 ± 0.001	-2.5820 ± 0.01	-3.1260 ± 0.01	-3.2800 ± 0.01	-2.5030 ± 0.01	-2.5530 ± 0.01	-0.1600 ± 0.01	-0.7040 ± 0.01	-0.8580 ± 0.01	-0.0810 ± 0.01	-0.1310 ± 0.01
Height difference evolution graph

Download leveling data

TIDE GAUGE LOCAL LEVELING NETWORK DATA OF STATION Seychelles ----------------------------------------------------------------------------------------------------- Benchmark Lat. Long. Height Year of determination St.dev Distance_to_TG 10chr (°) 14chr (°) 14chr (m) 10chr 22chr (m)10chr (m) 10chr ----------------------------------------------------------------------------------------------------- UH1 ---- ---- 9.064 2001 0.00000 ---- UH2 -4.676343 55.529318 9.002 2001 0.01000 5550 UH3 ---- ---- 8.153 2001 0.01000 ---- B1 -4.678893 55.530870 8.923 2001 0.01500 5740 B2 -4.678931 55.530671 8.379 2001 0.01800 5720 BMG5 -4.678714 55.530581 8.225 2001 0.02000 5710 MAHB -4.678825 55.530870 11.505 2001 0.02300 5740 DORIS/Mark-4.678835 55.530870 9.083 2001 0.02300 5740 NCP41 -4.692379 55.534305 8.952 2001 0.02500 6430 DORIS Nort ---- ---- 9.092 2001 0.01000 ---- DORIS Sout ---- ---- 9.089 2001 0.01000 ---- DORIS East ---- ---- 9.090 2001 0.01000 ---- DORIS West ---- ---- 9.091 2001 0.01000 ----

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Co-located instruments

GPS : Seychelles (SEY1)
Doris : MAHE (MAIB)
Tide Gauge : POINTE LARUE (MAHPL)
GPS : MAHE (SEYG)
GPS : Seychelles (SEY2)

LEVELING OF SEYCHELLES