QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 30 Dec 2004 Station : Reykjavik Latitude: 64 09.0N Country : Iceland Longitude: 021 56.0W JASL # : 288A Time Meridian: 000W (GMT) GLOSS # : 229 TOGA #: none NODC #: 76024101 Contributor : Iceland Hydrographic Service Postholf 7120,127 Reykjavik ICELAND Originator : same Original Data: unconfirmed Instrmnt Type: Float and well gauge (1984-30 Mar 1994 pressure gauge (31 Mar 1994 -) Digitzd Intvl: unconfirmed (float); 10 minute averages of 60-second samples (pressure gauge) 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 : 16 Apr 1984 - 31 Dec 1999 Gaps > 1 mon : 28 May 1984 - 03 Aug 1984;02 May 1990 - 11 Jun 1990 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1984-1999 Refernce Levl: All heights have been referred to the station tide staff zero which is linked to fixed bench marks Tide gauge benchmark (TGBM) description: Base of tide gauge box, which is on top of the stilling well. Auxiliary benchmarks: BM No. 3277 Reykjavik community Benchmark, bolt in the base of house at Aegisgata no. 7 BM No. 3278 Reykjavik community Benchmark, bolt in the base of house at Tryggvagata no. 2 Benchmark relationships: TGZ = Chart Datum TGZ = 12.538m below BM number 3277 TGZ = 5.968m below base of tide gauge box Comment : The daily and monthly means reveal no apparent reference level changes or trends. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1984 48 149-216,247-263 none 242-243 1985 92 148-171,242-247 (19)360-(12)361 71 1986 91 70-76,85-92,237-241, (21)043-(15)044 52-55 266-279,280-282, (18)063-(07)064 363-365 1987 96 1-5,236-243,249-254 (13)215-(23)215 none (01)216-(08)216 (14)267-(04)268 1988 87 54-55,61-67,76-82, (13)034-(20)034 257-261,299-302,343 86-88,168-172,174- (17)084-(12)085 175,221-235,252-256, (17)193-(08)194 266-272,364-366 1989 97 1,39-44,96-102 (17)050-(08)051 7-8,259-260,317 (22)128-(07)129 (17)210-(00)211 1990 89 122-162 none 29-32,45-46,88-91, 113-120 1991 91 34-35,61-63,302- (07)060-(14)060 31-34,60,74-93,118- 310,346-365 (01)329-(11)329 121,134-139 1992 91 1-10,255-258 (02)160-(12)160 32-33,63-38,77-82, (13)263-(23)263 107-110,174-175,333- (14)265-(00)266 334,365 (02)309-(14)309 1993 96 240-245,264-270, (14)133-(00)134 66-88,122-130,319- 284-288 (14)179-(00)180 320 1994 99 22-24 (04)042-(13)042 260-290 (18)103-(07)104 (00)214-(14)214 1995 100 none none 224-226,268-286,293- 297,328-330 1996 100 none (00)331-(12)331 none 1997 100 none none none 1998 99 232-233 none none 1999 100 none none none