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INST_TYPE: "FLOAT GAUGE" DATA_TYPE: "TIME" DATA_SUBTYPE: "H" DATA_ORIGIN: "UHSLC" COORD_SYSTEM: "GEOGRAPHICAL" Conventions: "EPIC-CDF/TIME" EXPERIMENT: "WOCE" PROJECT: "FAST" MOORING: "181" DELTA_T: "HOURLY" VAR_DESC: "SEA LEVEL" DESCRIPT: "AVERAGE DATA" VAR_FILL: "1.e35" DRIFTER: 0 WATER_DEPTH: 0 FILL_FLAG: 1 PROG_CMNT1: "conversion from ascii" COMPOSITE: 0 POS_CONST: 0 DEPTH_CONST: 0 WOCETIME: "YYYYMMDDhh" WOCEstartTIME_HOURLY: 1970010100 WOCEendTIME_HOURLY: 2006063023 MINIMUM_SLH_VALUE_HOURLY: -0.05 MAXIMUM_SLH_VALUE_HOURLY: 2.73 DOC_001: " " DOC_002: " QUALITY ASSESSMENT OF SEA LEVEL DATA " DOC_003: " by the " DOC_004: " UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER " DOC_005: " JOINT ARCHIVE FOR SEA LEVEL " DOC_006: " updated: 03 Jan 2005 " DOC_007: "Station : Durban Latitude: 29 53.0S " DOC_008: "Country : South Africa Longitude: 031 02.0E " DOC_009: "JASL # : 181A Time Meridian: 030E (GMT + 2 hr) " DOC_010: "GLOSS # : 013 TOGA #: I012 NODC #: 32039101 " DOC_011: "Contributor : Directorate of Hydrography " DOC_012: " Maritime Headquarters " DOC_013: " Private Bag Retreat " DOC_014: " 7965 South Africa " DOC_015: "Originator : same " DOC_016: "Original Data: analog (LEA,KENT); digital (SRD) " DOC_017: " " DOC_018: "Instrmnt Type: 1) LEA float-type 1952 - 1971 " DOC_019: " 2) KENT float-type 1970 - 1996. " DOC_020: " 3) SRD acoustic tide gauge November 1996 " DOC_021: "Digitzd Intvl: hourly (LEA,KENT); 1 minute (SRD) " DOC_022: "Present Data : Hourly, daily, and monthly values obtained by: " DOC_023: " Hourly : manually filtered raw data (LEA,KENT); " DOC_024: " unconfirmed (SRD) " DOC_025: " Daily : 119-point convolution filter (Bloomfield, 1976) " DOC_026: " centered on noon applied to the hourly data " DOC_027: " with respective periods of the 95, 50, and 5% " DOC_028: " amplitude points at 124.0, 60.2, and 40.2 hours " DOC_029: " Monthly: Simple average of all daily values; calculated if " DOC_030: " 7 or fewer days are missing " DOC_031: "Span of data : 30 Sep 1970 - 13 Nov 2000 " DOC_032: "Gaps > 1 mon : 11 Feb - 07 May 1974; 30 Mar - 18 May 1981; " DOC_033: " 13 Jul - 23 Nov 1981; 31 Dec 1984 - 16 Jul 1985 " DOC_034: " 07 Apr - 16 May 1988; 05 Sep - 26 Oct 1988; " DOC_035: " 08 Mar - 18 Jul 1990; 16 Jun - 30 Jul 1991; " DOC_036: " 13 Apr - 01 Jun 1992; 02 May - 21 Jun 1994; " DOC_037: " 21 Jul - 02 Sep 1994; 11 Jun - 17 Jul 1995 " DOC_038: " 19 Dec 1996 - 22 May 1997;31 Dec 1997 - 14 Feb 2000 " DOC_039: "Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 " DOC_040: "Units : millimeters Missing Data Flag : 9999 " DOC_041: "Existing : Yes Operational : Yes " DOC_042: "Sat. Trans. : No Distribution : 1970-2000 " DOC_043: "Refernce Levl: All heights have been referred to the station tide " DOC_044: " staff zero which is linked to fixed bench marks. " DOC_045: " The original data were adjusted at JASL with " DOC_046: " leveling information provided by the contributors " DOC_047: " to the 1987 data as follows: " DOC_048: " " DOC_049: " period value added to " DOC_050: " ( (hour)day/month/year ) original (mm) " DOC_051: " ------------------------ --------------- " DOC_052: " *(00)30/09/70-(20)18/06/73 -100 " DOC_053: " (21)18/06/73-(23)13/05/75 -250 " DOC_054: " (00)14/05/75-(12)13/08/80 100 " DOC_055: " *(13)13/08/80-(23)30/03/81 -150 " DOC_056: " (00)31/03/81-(06)24/04/84 150 " DOC_057: " (07)24/04/84-(23)28/11/84 -320 " DOC_058: " *(00)29/11/84-(00)15/07/85 -120 " DOC_059: " *(00)01/01/88-(23)23/10/92 240 " DOC_060: " *(00)24/10/92-(20)29/06/93 485 " DOC_061: " *(21)29/06/93-(23)19/12/96 240 " DOC_062: " " DOC_063: " *adjustment of shift in reference level deduced " DOC_064: " from the plot of hourly residuals, daily and " DOC_065: " monthly means, and differences with the " DOC_066: " corrected monthly means of the Permanent Service " DOC_067: " for Mean Sea Level. These adjustments are contain " DOC_068: " uncertainty to a few centimeters. " DOC_069: " " DOC_070: " Tide gauge benchmark: Trig survey BM 4121 at east " DOC_071: " end of Salibury Island. UTM Grid Reference " DOC_072: " 36 JUB 109930 " DOC_073: " " DOC_074: " Tide Gauge Zero (TGZ) = South Africa Chart Datum " DOC_075: " TGZ = 0.838m below LLD (MSL) until 31 Dec 1978 " DOC_076: " TGZ = 0.900m below LLD (MSL) from 01 Jan 1979 " DOC_077: " TGZ = 0.904m below BM 4212 " DOC_078: " " DOC_079: "Comment : The timing of the gauge appears to be off by a " DOC_080: " fraction of an hour in some instances as noted " DOC_081: " below in the questionable fluctuations. " DOC_082: " " DOC_083: " Location: In the tide gauge hut at the Tug Jetty " DOC_084: " (Small Craft Harbour) at the Point. " DOC_085: " " DOC_086: " CI MISSING REPLACED GAPS QUESTIONABLE " DOC_087: "YEAR (%) DATA OR BAD DATA FLUCTUATIONS " DOC_088: "---- --- -------------------- --------------- -------------------- " DOC_089: "1970 25 none none 362-363 " DOC_090: "1971 100 none (22)232-(21)233 56-59,100-104,159- " DOC_091: " (22)236-(21)237 161,170-177,218-220, " DOC_092: " 223-224,232,260-263, " DOC_093: " 290-297,303-305,309, " DOC_094: " 320-325,351-353 " DOC_095: "1972 100 none (22)072-(21)073 1-3,14-17,31-34,44- " DOC_096: " 51,58,62-64,120-122, " DOC_097: " 147-149,179-184,248- " DOC_098: " 255,278-286,308-311, " DOC_099: " 337-339,366 " DOC_100: "1973 98 141-149 (22)033-(21)034 1-11,17-19,79-84, " DOC_101: " (22)217-(21)218 121-125,137-140,193- " DOC_102: " (22)223-(21)224 197,237-239,241,256, " DOC_103: " (22)229-(21)230 258-259,286-287,330, " DOC_104: " (22)234-(21)235 344-345,358-362 " DOC_105: " (22)239-(21)240 " DOC_106: " (22)246-(21)247 " DOC_107: " (22)250-(21)251 " DOC_108: " (22)256-(21)257 " DOC_109: " (22)262-(21)263 " DOC_110: " (23)281-(05)282 " DOC_111: " (23)282-(06)283 " DOC_112: " (22)288-(21)289 " DOC_113: " (22)324-(21)325 " DOC_114: "1974 73 42-127,238-246, (22)154-(21)155 21-24,271-273,286, " DOC_115: " 259-262,364-365 317-321,332-334 " DOC_116: "1975 85 1-27,104-133 none 135-139,141-144,231- " DOC_117: " 236,261-264,352-356 " DOC_118: "1976 86 271-278,286-292, none 2-4,17-18,30-32,48- " DOC_119: " 309-320,327-335, 54,74-77,86-89,103, " DOC_120: " 348-366 183-184,206-207,220- " DOC_121: " 223,238-242,266-268, " DOC_122: " 294-298,307-309,323- " DOC_123: " 324 " DOC_124: "1977 93 1-3,136-157 none 20-21,78,122-123 " DOC_125: "1978 100 none none 113-114,244-248,274- " DOC_126: " 278,345-352 " DOC_127: "1979 91 148-155,162-164, none 16,42-44,47,98,146- " DOC_128: " 225-248 148,160-162,165,167, " DOC_129: " 174-176,189-190,217, " DOC_130: " 279-281,291-295,308- " DOC_131: " 309,321-322,338-339 " DOC_132: "1980 100 none (12)196-(07)197 223,310-316 " DOC_133: "1981 50 89-138,194-327 (16)073-(03)074 152-153,357-362 " DOC_134: " (16)074-(03)075 " DOC_135: "1982 100 none (14)221-(09)222 24,248,254,255,328, " DOC_136: " 348-353 " DOC_137: "1983 98 172-175,328-332 none 60,102-105,115-121, " DOC_138: " 144-147,204-207,233, " DOC_139: " 249-256,263,265-270, " DOC_140: " 277-283,290-299,307- " DOC_141: " 309,325-326,336-341, " DOC_142: " 353-355 " DOC_143: "1984 87 48-52,63-79, (11)018-(18)018 1-4,17,30,32-36,46- " DOC_144: " 161-163,310-335, (23)018-(08)019 47,51,60-62,89-99, " DOC_145: " 366 (10)019-(19)019 109,119-124,140,151- " DOC_146: " (22)019-(20)020 153,171-173,210-211, " DOC_147: " (01)021-(08)021 228-232,239,242-244, " DOC_148: " (06)038-(00)039 268-274,281,356-357 " DOC_149: " (06)039-(05)040 " DOC_150: "1985 46 1-197 (09)201-(16)201 200,234,242-243,258- " DOC_151: " (10)202-(16)202 262,268-273,297-304, " DOC_152: " 327-337,343,347-351, " DOC_153: " 360-361,363 " DOC_154: "1986 78 99-105,118-119, (06)117-(22)117 22-24,52-61,81-84, " DOC_155: " 168-184,252-259, (04)323-(21)323 189-191,200,203-209, " DOC_156: " 270-287,295-301, (05)326-(18)326 217,224-225,233,250- " DOC_157: " 320-322,336-358, (05)327-(17)327 250-252,259-264,269, " DOC_158: " 364-365 288-292,317-318,324, " DOC_159: " 332-336,362-363 " DOC_160: "1987 83 1-6,66-68, (06)020-(13)020 13-18,21,32-36,43- " DOC_161: " 90-105,160-167, (07)268-(09)268 52,60-62,71-76,105- " DOC_162: " 269-279,321-329, 109,116-118,159,223- " DOC_163: " 349-363 224,236-237,263-269, " DOC_164: " 281,295,308,329-332, " DOC_165: " 342-344 " DOC_166: "1988 59 43-49,60-61,71-82, (05)022-(20)022 65-68,242-244 " DOC_167: " 98-137,151-153,159- (05)024-(21)024 " DOC_168: " 187,249-300,355-366 (03)150-(19)150 " DOC_169: " (01)245-(08)245 " DOC_170: "1989 86 1-3,128-132,170-192, (14)025-(11)026 24-25,202,204,315- " DOC_171: " 286-298,351-363 (12)061-(23)061 318,335-350 " DOC_172: "1990 51 43-46,50-60,67-199, (08)047-(16)047 25-42,335-338 " DOC_173: " 226-260 (07)049-(14)049 " DOC_174: " (04)355-(11)355 " DOC_175: "1991 78 61-63,67-77,85-87, none 3-4,89-91 " DOC_176: " 105-116,167-211,287- " DOC_177: " 294,325-329 " DOC_178: "1992 82 104-153,167-174,181- none 156-158 " DOC_179: " 184,198-202,296-300 " DOC_180: "1993 88 66-68,134-152,169- none none " DOC_181: " 173,184-188,201-207, " DOC_182: " 211-222 " DOC_183: "1994 59 84-98,122-172,202- (14)007-(21)007 none " DOC_184: " 245,251-256,259-263, (14)031-(21)031 " DOC_185: " 272-276,280-286,290- " DOC_186: " 297,311-319,357-365 " DOC_187: "1995 76 1-9,26-30,125-129, (16)090-(23)090 91-92,123-125, " DOC_188: " 132-142,156-158,162- (01)091-(15)091 161-162 " DOC_189: " 198,244-254,282-290, " DOC_190: " 317-321,365 " DOC_191: "1996 85 1-2,14-16,24-26,41- none 212-213,266 " DOC_192: " 44,92-95,127-141,277- " DOC_193: " 281,285-288,323-326, " DOC_194: " 346-352,354-366 " DOC_195: "1997 61 1-142,365 none none " DOC_196: "1998 0 1-365 none none " DOC_197: "1999 0 1-365 none none " DOC_198: "2000 74 1-45,222-223 none none " CREATION_DATE: "08:59 7-JUL-2006"
Variables:
time_h
: Array of 32 bit Reals [time_h = 0..319919]
time_h:
FORTRAN_format: " " units: "day since 1985-1-1 0:0:0" type: "EVEN"
depth
: Array of 32 bit Reals [depth = 0..0]
depth:
FORTRAN_format: " " units: "m" type: "EVEN" epic_code: 3
latitude
: Array of 32 bit Reals [latitude = 0..0]
latitude:
FORTRAN_format: " " units: "degree_north" type: "EVEN" epic_code: 500
longitude
: Array of 32 bit Reals [longitude = 0..0]
longitude:
FORTRAN_format: " " units: "degree_east" type: "EVEN" epic_code: 502
sea_level_h_206
: Grid
time_h:
depth:
latitude:
longitude:
name: "sea_level_h" long_name: "SEA LEVEL (hourly) " generic_name: "SLh" FORTRAN_format: "f7.3" units: "m" epic_code: 206
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