QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 08 Sep 2019 Station : Aburatsu Latitude: 31 35.0N Country : Japan Longitude: 131 25.0E JASL # : 354A Time Meridian: 135E (GMT + 9 hr) GLOSS # : 082 Originator #: AB NODC #: 13131101 Contributor : Japan Meteorological Agency 1-3-4 Otemachi, Chiyoda-ku Tokyo, Japan Originator : Japan Meteorological Agency Original Data: analog Instrmnt Type: float/well: FUESS (1961-1972,2000-2003), LFT-4 (1973-1999) Digitzd Intvl: hourly Present Data : Hourly, daily, and monthly values obtained by: Hourly : hourly spot reading 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 : 01 Jan 1961 - 31 Dec 2018 Gaps > 1 mon : none Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1961-2018 Refernce Levl: All data are referred to a Datum Line (DL) associated with the tide gauge. The Standard Mark (SM) is physically located near the tide gauge and is directly leveled to a First Order Bench Mark of the Geographical Survey Institute. The SM is 6.643m above the DL. Comment : The daily or monthly means do not reveal any obvious reference level shifts. Most questionable fluctuations are related to atmospheric or oceanographic events except for an obvious timing problem in August 1968. Legal Notice Regarding JMA Data http://www.jma.go.jp/jma/en/copyright.html (website refers to where data were downloaded from for input into the JASL) Copyright Notice The material on this website is protected by the Copyright Law of Japan and related international laws. Apart from any fair dealing for the purposes of study, research and other personal use, as permitted under the Copyright Law, no part of the material on this website may be reproduced, re-used or redistributed without notice to the Japan Meteorological Agency. Any quotation from the material requires indication of the source. The Japan Meteorological Agency does not warrant, guarantee or make any representations regarding the currency, correctness, accuracy, reliability or any other aspect of the characteristics or use of the information presented on this website. The user assumes all risk related to the use of the information contained. Japan Meteorological Agency, 1-3-4 Otemachi, Chiyoda-ku, Tokyo 100-8122, Japan CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1961 100 none 013(13)-014(02) 104-106,258-259 044(16)-045(01) 045(17)-046(01) 046(08)-047(04) 217(14)-218(01) 275(04)-276(03) 292(08)-293(02) 298(10)-299(01) 330(07)-331(01) 1962 100 none 136(15)-136(22) none 1963 100 none 161(10)-162(03) none 206(09)-206(17) 207(10)-207(17) 1964 100 none 085(00)-085(07) 268 092(10)-093(02) 096(03)-097(01) 180(07)-181(01) 249(16)-250(01) 251(17)-252(01) 253(16)-254(01) 258(15)-259(01) 305(19)-306(01) 307(19)-308(01) 342(02)-343(01) 1965 100 none 110(00)-110(07) 252-253 130(04)-131(01) 158(07)-159(01) 159(03)-160(01) 1966 100 none none none 1967 100 none none none 1968 98 133-136,217-219, 216(15)-217(03) 45-46,219-247 247-249,274-277 268(09)-269(03) 1969 93 58-65,93-96, 043(09)-044(01) 233-234 109-111,193-195, 248(07)-249(01) 207-212,272-274, 294-296,308-310, 321-324 1970 98 1-6,110-112 none none 1971 100 none none 216-217 1972 100 none none none 1973 100 none none none 1974 100 none none none 1975 100 none none none 1976 100 none none 205-206 1977 100 none none none 1978 100 none 298(10)-298(19) none 1979 100 none none 246,272-273,291-292 1980 100 none 037(15)-038(06) 254-255,287-288 1981 100 none none 211-212 1982 98 117-124 none 238,266-267 1983 100 none none none 1984 100 none none none 1985 100 none none 242-243 1986 100 none none none 1987 100 none none none 1988 100 none none none 1989 100 none none none 1990 100 none none none 1991 100 none none none 1992 100 none none none 1993 100 none none none 1994 100 none none none 1995 100 none none none 1996 100 none none none 1997 100 none none none 1998 100 none none none 1999 100 none none none 2000 100 none none none 2001 100 none none none 2002 100 none (18)326-(00)327 none 2003 100 none (00)254-(08)254 none 2004 100 none none none 2005 100 none none none 2006 100 none none none 2007 100 none none none 2008 100 none none none 2009 100 none none none 2010 100 none none none 2011 100 none none none 2012 100 none none none 2013 100 none none none 2014 100 none none none 2015 100 none none none 2016 100 none none none 2017 100 none none none 2018 99 365 none none