QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 03 Sep 2019 Station : Minamitorishima Latitude: 24 18.0N Country : Japan Longitude: 153 58.0E JASL # : 049A Time Meridian: 135E (GMT + 9 hr) GLOSS # : 104 Originator #: MC NODC #: 12154301 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: unconfirmed Instrmnt Type: pressure gauge Digitzd Intvl: unconfirmed Present Data : Hourly, daily, and monthly values obtained by: Hourly : unconfirmed 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 1997 - 31 Dec 2018 Gaps > 1 mon : 30 Sep 1998 - 13 Nov 1998;31 Aug 2001 - 15 Jan 2002 31 Dec 2005 - 28 Feb 2006 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1997-2018 Refernce Levl: Benchmark at GPS point operated 24-hour, which is 100m distant from tide gauge. The relation can apply since April 1996. Height difference between top of the standard mark and mean sea level of the station is -2.001 m. 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 ---- --- -------------------- --------------- -------------------- 1997 99 151-154 none none 1998 81 151-177,273-317 none none 1999 96 51-52,134-147 (05)018-(01)019 none 2000 100 none (08)044-(00)045 none 2001 67 243-365 none none 2002 96 1-15 none none 2003 100 none none none 2004 100 none none none 2005 99 365 none none 2006 65 1-59,243-313 none none 2007 100 none (20)114-(04)115 none 2008 99 333-337 none none 2009 99 232-236 (16)017-(23)017 none (22)070-(07)071 (16)102-(23)102 2010 100 none (21)053-(05)054 none (17)259-(00)260 2011 100 none none none 2012 100 none none none 2013 100 none (17)200-(01)201 none 2014 100 none (17)200-(01)201 none 2015 100 none (23)140-(06)141 none 2016 100 none none none 2017 100 none (23)138-(06)139 none (15)267-(00)268 2018 99 365 (15)010-(00)011 none