QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL Station : Le Robert,Martinique Latitude: 14 41.0N Country : France Longitude: 060 56.0W JASL # : 270A Time Meridian: 060W (GMT - 4 hr) GLOSS # : none TOGA #: A008 NODC #: 71064001 Contributor : Service Hydrographique Et Oceanographique De La Marine Establissement Principal B.P. 426 -29275 Brest, Cedex, FRANCE Originator : same Original Data: analog Instrmnt Type: A.OTT type R16 Digitzd Intvl: hourly Present Data : Hourly, daily, and monthly values obtained by: Hourly : the original data are spot hourly Daily : 119-point convolution filter (Bloomfield, 1976) centered on noon applied to the hourly data with respective periods of the 95, 50, and 5% amplitude points at 124.0, 60.2, and 40.2 hours Monthly: Simple average of all daily values; calculated if 7 or fewer days are missing Span of data : 13 Dec 1976 - 31 Dec 1984 Gaps > 1 mon : 08 Mar 1977 - 30 Sep 1978;01 Apr 1979 - 16 Apr 1980 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1976-1984 Refernce Levl: The sea level heights are referred to the zero point assigned to the tide staff. Bench mark information is available upon request. Comment : The daily and monthly means do not reveal any obvious reference level shifts. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1976 5 none none none 1977 18 67-365 none none 1978 24 1-273,356-360 none 363 1979 25 91-365 none none 1980 59 200-221,252-254,256- none none 258,272-274,324-338, 352-356,364-366 1981 97 1-9,52-54,197-199 (01)120-(23)120 none 1982 91 51-58,96-100,122- none 101-102,114-119 125,156-164,173-176, 213-215,229-231,254- 257,311-313 1983 89 169-171,195-197,202- none none 205,214-218,224-227, 242-244,256-263,276- 282,292-294,300-302, 306-308,333-337 1984 88 130-132,168-169,183- (04)168-(03)169 none 191,197-205,210-212, 229-231,241-243,253- 256,292-294,298-304, 309-312,326-328,332- 335,366