QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 19 Feb 2010 Station : Cascais Latitude: 38 41.5N Country : Portugal Longitude: 009 25.0W JASL # : 209A Time Meridian: 000W (GMT) GLOSS # : 246 Originator #: 015 NODC #: 73008901 Contributor : Instituto Geografico Portugues (IGP) and for years prior 2000 Instituto Hidrografico Marinha (IHM) Rua das Trinas 49-P-1296 Lisboa Codex Lisbon PORTUGAL Originator : Instituto Geografico Portugues Rua Artilharia 1, 107 1099-052 LISBOA PORTUGAL Original Data: analog (FW); digital Instrmnt Type: Float and well (FW), BOREL 10/2003- acoustic Digitzd Intvl: hourly (FW); 3 min Present Data : Hourly, daily, and monthly values obtained by: Hourly : spot hourly 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 1959 - 31 Dec 2005 Gaps > 1 mon : 01 Feb 1959 - 25 Apr 1960;01 Dec 1962 - 31 Dec 1963 01 Jan 1970 - 31 Aug 1970;01 Nov 1970 - 31 Dec 1970 23 Jun 1987 - 25 Jul 1987;22 Mar 1990 - 15 May 1990 10 Oct 1996 - 10 Mar 1997;28 Jul 1999 - 27 Sep 1999 26 Feb 2001 - 16 Apr 2001;11 Dec 2001 - 31 May 2002 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : No Distribution : 1959-2005 Refernce Levl: IGP data received relative to cartographic zero (CZ). The datum was changed to hydrographic zero (HZ), HZ = 2.08m + (4.308m - IGP hourly) Benchmark NP 1 = 13.357m Benchmark bl = 4.308m Tide Gauge Benchmark NP M = 4.252m Ordnance Datum = 0.000m Chart Datum (HZ) = 2.080m Comment : The daily and monthly means reveal no apparent reference level changes. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1959 8 32-365 none none 1960 68 1-114,239-240 (18)307-(09)308 240-242 1961 100 none (21)105-(10)106 none (14)162-(23)162 (06)168-(16)168 (13)190-(23)190 (07)268-(22)268 (00)283-(08)283 1962 92 335-365 (00)078-(10)078 none (20)325-(08)326 (22)326-(08)327 1963 0 1-365 none none 1964 99 212-218 (15)325-(10)326 none 1965 100 none (20)003-(08)004 none (13)080-(00)081 (21)088-(04)089 (01)364-(12)364 1966 100 none (18)039-(03)040 none (14)043-(22)043 (23)105-(06)106 (04)295-(23)295 1967 98 119-126 (11)198-(23)198 none 1968 100 none (20)053-(08)054 none (21)106-(08)107 (12)138-(08)139 (20)219-(11)220 (08)267-(23)267 (21)282-(08)283 (00)339-(23)339 1969 98 146-148,175-181 (03)058-(10)058 none (01)144-(08)144 (13)172-(20)172 (01)173-(08)173 (13)185-(10)186 1970 17 1-243,305-365 none 278-279 1971 99 29-31 (21)016-(13)017 none 1972 99 46-48,281-285 (13)044-(00)045 none (13)045-(00)046 (00)091-(23)091 (16)355-(23)355 1973 98 56-59,301-304 (23)271-(07)272 16 1974 100 none none none (01)355-(23)355 1975 100 none none 29-32 1976 100 none (08)100-(15)100 101-107 (10)106-(19)106 (12)336-(22)336 (12)337-(22)337 1977 100 none none 67-69,147-153,192- 196,287-291 1978 100 none (00)352-(23)352 none (10)349-(23)349 (00)352-(23)352 (10)349-(23)349 (00)352-(23)352 1979 100 none none 41-44,249-254 1980 97 134-145 none none 1981 97 140-150 (07)057-(14)057 none (07)058-(14)058 1982 93 186-195,330-349 (10)365-(23)365 none 1983 89 124-127,251-267 none none 343-365 1984 98 251-256 none none 1985 91 56-61,172-177, none none 217-239 1986 100 none none none 1987 80 40-43,47-55,58-70, (00)340-(23)340 none 174-206,303-311, 352-356,359-365 1988 94 1-23 none none 1989 97 25-28,131-133, (00)353-(23)353 none 344-346,359-361,365 1990 83 1-5,33-35,81-135, (00)183-(23)183 30-32 155-157,169-171 1991 100 none none none 1992 100 none none none 1993 100 none none none 1994 94 222-243 none 46-47,55-56 1995 100 none (06)029-(14)029 none (14)082-(11)083 (00)094-(14)094 (03)356-(10)356 (03)357-(11)357 (16)359-(23)359 1996 76 7-12,21-22,284-366 (13)002-(04)003 none (00)005-(10)005 (23)186-(06)187 (23)197-(07)198 1997 79 1-69,77-78,348-356 (22)096-(07)097 none (20)160-(14)161 (01)175-(08)175 (01)324-(15)324 (01)333-(10)333 1998 100 none (20)010-(14)011 none (18)017-(10)018 (16)306-(10)307 (04)335-(15)335 (01)340-(15)340 1999 82 12-14,209-270, none none 361-365 2000 91 1-3,236-265,340-341 (00)001-(16)001 361 2001 76 57-106,211-220,302- (16)043-(15)044 2,23,26 311,337-339 (17)316-(16)317 2002 55 1-151,165-168,193- none 164,349,365 196,312-315,352-357 2003 99 235-237 none 1-5,59 2004 98 278-284 none 46,187,291,344 2005 100 none (16)069-(15)070 none