QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 09 Aug 2017 Station : Ubatuba Latitude: 23 30.0S Country : Brazil Longitude: 045 07.0W JASL # : 282A Time Meridian: 045W (GMT - 3 hr) GLOSS # : none Originator #: NODC #: 52043501 Contributor : Directoria de Hidrografia e Navegacao Banco Nacional de Dados Oceangraficos Rua Barao de Jaceguai, S/N 24040 Ponta de Armacao RJ, Niteroi BRAZIL Originator : Instituto Oceanografo-USP Universidade de Sao Paulo (USP) Cidade Universitaria, CEP 05508 Sao Paulo, SP BRAZIL Original Data: digital Instrmnt Type: Kalesto radar gauge Digitzd Intvl: 3 min Present Data : Hourly, daily, and monthly values obtained by: Hourly : spot 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 : 03 Jun 2013 - 11 Jul 2017 Gaps > 1 mon : 11 Dec 2013 - 13 Jan 2014 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 2013-2017 Refernce Levl: unconfirmed Comment : The data contain significant fluctuations with periods of one to ten days mostly due to oceanic variability on the continental shelf. The data set is of high quality with no obvious reference level shifts. The daily means agree well with Cananeia. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 2013 52 345-365 none none 2014 90 1-13,45-47,49-52,72- none none 75,80-83,87-90,104- 109,113-121 2015 100 none none none 2016 97 67-77 (03)272-(19)272 none 2017 52 3-6 none none