QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 06 Oct 2015 Station : Maloy Latitude: 61 56.0N Country : Norway Longitude: 05 07.0E JASL # : 802A Time Meridian: 015E (GMT + 1 hr) GLOSS # : none Originator #: NODC #: 16001501 Contributor : Norwegian Hydrographic Services Oceanographic Group PO Box 60 N-4011 Stavanger NORWAY Originator : same Original Data: digital Instrmnt Type: 25 06 1943: series began, instrument unconfirmed 21 04 1986: Scan-Matic gauge 01 11 2000: Sutron gauge Digitzd Intvl: 10 minute Present Data : Hourly, daily, and monthly values obtained by: Hourly : Hanning 3-pt filter centered on the hour 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 : 21 Apr 1986 - 31 Dec 2014 Gaps > 1 mon : 12 Aug 1986 - 31 Dec 1986;26 Jun 1990- 08 Aug 1990 11 Nov 1990 - 31 Dec 1990 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : unconfirmed Distribution : 1986-2014 Refernce Levl: Data relative to Chart Datum. TGZM: A29 N26 Auxiliary BM : A29 N27 4.808 above TGBM Normalnull 1954: 5.454 below TGBM Normalnull 1954: not transferring to Honningsvag Comment : Missing data 2003-2012 as downloaded from from NHS were acquired from the University of Hawaii Fast Delivery set. Overlap led to a -5 mm added to UH set to link to chart datum. The daily means agree well with AVISO altimeter 1992-2014. The tide gauge is located at Torget and Torkaien in downtown Maloy. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1986 30 161-163,209-211, none none 224-365 1987 97 146-149,289-291, (07)305-(02)306 none 298-299,359-365 1988 92 169-172,314-321, (23)334-(06)335 none 333-334,351-366 (00)337-(22)337 1989 88 87-89,154-159,165- (15)152-(23)152 none 166,180-181,211-212, (05)288-(04)289 270-271,277-286,342- (01)339-(08)339 365 (07)341-(14)341 1990 73 158-159,177-220,260- (09)249-(08)250 none 262,315-365 1991 100 none (15)365-(23)365 none 1992 92 3-10,184-185,250- (01)002-(21)002 none 251,327-328,334-335, (09)339-(02)340 350-366 1993 92 17-18,119-123,168- (23)012-(10)013 none 172,183-186,215-217, 350-365 1994 86 97-101,150-153,170- none none 174,221-225,251-258, 269-271,275-276, 340-365 1995 92 68-80,350-365 (09)343-(16)343 none (05)347-(17)347 (21)347-(18)348 1996 99 206-208,364-365 none none 1997 100 none none none 1998 97 71-76,361-365 none none 1999 100 none (11)365-(23)365 none 2000 100 none (09)306-(18)306 none (09)366-(23)366 2001 100 none none none 2002 100 none (15)104-(09)105 none (06)365-(23)365 2003 100 none none none 2004 100 none (23)059-(22)060 none 2005 100 none none none 2006 100 none none none 2007 99 195-197 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