QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 03 Oct 2019 Station : Hamada Latitude: 34 54.0N Country : Japan Longitude: 132 04.0E JASL # : 348A Time Meridian: 135E (GMT + 9 hr) GLOSS # : 326 Originator #: HA NODC #: 13134201 Contributor : Japan Oceanographic Data Center 5-3-1 Tukiji, Chuo-ku Tokyo, Japan Originator : Japan Meteorological Agency 1-3-4 Otemachi, Chiyoda-ku Tokyo, Japan Original Data: analog Instrmnt Type: float/well: LFT-4 (1984-1990) LFT-5 (1991-1994) LFT-3 (1995-1998) DFT-2 (1999-2002) Fuess (2003-) 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 : 29 Feb 1984 - 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 : 1984-2018 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 3.242m above the DL. Comment : The daily or monthly means do not reveal any obvious reference level shifts. 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 ---- --- -------------------- --------------- -------------------- 1984 84 none (04)308-(00)309 none 1985 98 241-243,323-329 1986 97 215-217,340-351 (02)195-(01)196 none (11)220-(23)220 1987 96 12-15,18-20,141- none none 145,37-242,356-359 1988 99 202-207 (20)144-(05)145 none (16)145-(04)146 (13)158-(05)159 1989 100 none none none 1990 100 none (22)263-(08)264 none 1991 105-109,265-268 none none 1992 100 none (11)106-(18)106 none 1993 100 none none none 1994 100 none none none 1995 99 188-190 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 none none 2003 100 none none 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 (01)248-(08)248 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