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 : Abashiri Latitude: 44 01.0N Country : Japan Longitude: 144 17.0E JASL # : 347A Time Meridian: 135E (GMT + 9 hr) GLOSS # : 327 Originator #: AS NODC #: 14144401 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 (1968-1969) LFT-4 (1970-05/1980) LFT-3 (06/1980-12/1980) LFT-5 (1981-5/1993) LFT-2 (6/1993) DFT-2 (7/1993-2002) 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 : 01 Jan 1968 - 31 Dec 2018 Gaps > 1 mon : 24 Nov 1968 - 31 Dec 1968;22 Feb 1972 - 22 May 1972 25 Jan 1974 - 20 Mar 1974;17 Jun 2000 - 17 Jul 2000 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1968-2018 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 4.407m above the DL. Comment : The daily or monthly means do not reveal any obvious reference level shifts. Timing is of by less than an hour off an on from 1969-71. 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. 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Japan Meteorological Agency, 1-3-4 Otemachi, Chiyoda-ku, Tokyo 100-8122, Japan CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1968 89 33-38,329-366 (16)032-(05)033 none (08)073-(07)074 (13)074-(23)074 (07)078-(17)078 (03)079-(13)079 (19)297-(05)298 1969 95 153-154,160-162,336- (05)281-(04)282 185-203,226-230 350,358-361 1970 99 116-117,346-350 none 107-115,350-365 1971 89 194-201,229-244,313- (06)319-(01)320 1-110 319,329-332,340-349 (06)320-(01)321 (07)321-(02)322 (08)322-(02)323 (08)323-(02)324 (09)324-(02)325 (10)325-(02)326 (11)326-(04)327 (11)327-(05)328 (12)328-(05)329 (06)333-(22)333 (07)334-(00)335 (08)335-(23)335 (09)336-(22)336 (10)337-(21)337 (11)338-(01)339 (11)339-(02)340 1972 72 20-23,41-44,53-143, (16)277-(05)278 266-273 158-160,273-276, 294-297 1973 98 149-151,264-268 (16)180-(03)181 none 1974 83 25-79,191-197, (18)197-(10)198 24 251-253 (19)198-(11)199 (01)200-(11)200 (11)246-(05)247 (17)307-(02)308 (00)311-(07)311 (12)362-(00)363 (09)363-(00)364 (10)364-(01)365 (11)365-(03)001 1975 97 3-6,8-10,204-208 (11)001-(05)002 (11)002-(06)003 none (03)007-(22)007 1976 97 109-111,198-208 (05)129-(04)130 none 1977 100 none none none 1978 100 none none none 1979 100 none none none 1980 100 none (19)255-(04)256 none 1981 98 224-232 none none 1982 99 122-124 none none 1983 98 43-49 (17)064-(02)065 none (05)065-(14)065 (17)080-(01)081 (05)081-(13)081 (09)085-(01)086 (03)086-(13)086 1984 100 none none none 1985 100 none none none 1986 94 158-181 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 92 169-199 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 99 216-218 none none 2011 100 none none none 2012 99 234-235 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