GLOSS Station Handbook – Nosy-Be

The GLOSS Station Handbook is currently being re-designed and upgraded.

Until a new version is available, the tide gauge station list below from the last version of the Handbook provides links to further details about each tide gauge in the GLOSS Core Network. Click column headings to sort the station list table. Click the GLOSS number buttons to view the station information.

Station information

General
Gloss number	15
Station name	Nosy-Be
Country	Madagascar
Time zone	045E, GMT + 3hrs
Latitude (+ve N)	-13.4
Longitude (+ve E)	48.28333
Ocean	Indian
Observation periods	1958-1972, 1985-
Responsible country	Madagascar
Authority responsible for tide gauge	Department d'Oceanographie Physique et Chimique (C.N.R.O.), BP 68 (207) Nosy-Be, Madagascar - Telephone: 86 613 73
GLOSS contact	Madagascar
Committed to GLOSS	No
Operational	Yes
Location map
Instrumentation
Float	Yes
Pressure	No
Bubbler	No
Acoustic	No
Radar	No
Data
Digital data	Yes
Additional parameters	Temperature and salinity
Data acquisition rate	Continuous recording, filtered to hourly heights
High frequency data at UHSLC	Data 150a Document 150a File format
Real-time data available	No
Additional parameters (real-time)	None
Benchmarks
Tide gauge benchmark	Tide gauge benchmark is situated on a flush bracket in the front of the tide gauge on the quay.
Benchmark relationships	Tide gauge zero (TGZ) = zero hydrographic TGZ = 4.72m below TGBM TGBM = 3.02m below disc SH: material reference set on the entrance of the wharf (from 1987 onwards)
Auxiliary benchmarks	Disc SH set on the entrance of the CNRO wharf 7.74m above zero hydrographic
Data at PSMSL
Annual MSL (RLR) data	RLR 926
Annual MSL (RLR) plot
MSL method	Doodson X0 filter
PSMSL code	926
Other relevant codes	UHSLC 150
Additional information
Other relevant information	PSMSL hold data from another gauge at Nosy-Be (PSMSL Code 440/001 1958- 1968, 1970-1972).
Nearest Met. station	Fascene Airport Nosy-Be
Last updated	11 December 2002