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Global Attributes:
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: "022" 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: 2006053123 MINIMUM_SLH_VALUE_HOURLY: 0.89 MAXIMUM_SLH_VALUE_HOURLY: 2.47 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: 14 Jul 1999 " DOC_007: "Station : Easter-E Latitude: 27 09.0S " DOC_008: "Country : Chile Longitude: 109 26.9W " DOC_009: "JASL # : 022E Time Meridian: 105W (GMT - 7 hr) " DOC_010: "GLOSS # : 137 Originator #:0305 NODC #: 52107901 " DOC_011: "Contributor : Servicio Hidrografico y Oceanografico de la " DOC_012: " Armada (SHOA) " DOC_013: " Valparaiso " DOC_014: " CHILE " DOC_015: " and for 1994-1996 data also from " DOC_016: " National Ocean Service (NOS) " DOC_017: " National Ocean. and Atmos. Administration (NOAA) " DOC_018: " N/OES22 " DOC_019: " SSMC4, STATION 7109 " DOC_020: " 1305 East West Highway " DOC_021: " Silver Spring, MD. 20910-3233 " DOC_022: "Originator : same " DOC_023: "Original Data: analog (BUB); digital (PRS and BWL) " DOC_024: "Instrmnt Type: 1) Bristol bubbler gauge (BUB) " DOC_025: " (primary gauge 1985-01/1994,07/01/97+) " DOC_026: " 2) NOAA .digibub. water level gauge (PRS) " DOC_027: " (primary gauge 03/1994 - 06/30/97) this " DOC_028: " gauge uses a nitrogen-driven bubbler oriface " DOC_029: " below the water line connected to a Para- " DOC_030: " scientific pressure transducer located at " DOC_031: " the DCP housing. The pressure transducers " DOC_032: " are vented to the atmosphere so no atmospheric " DOC_033: " corrections are required. " DOC_034: " 3) NOAA backup pressure water level gauge (BWL) " DOC_035: "Digitzd Intvl: one hour (BUB); 6 min (PRS); 30 min (BWL) " DOC_036: "Present Data : Hourly, daily, and monthly values obtained by: " DOC_037: " Hourly : The original digitizing interval was hourly (BUB); " DOC_038: " 3-point Hanning filter centered on the hour (PRS) " DOC_039: " Daily : 119-point convolution filter (Bloomfield, 1976) " DOC_040: " centered on noon applied to the hourly data " DOC_041: " with respective periods of the 95, 50, and 5% " DOC_042: " amplitude points at 124.0, 60.2, and 40.2 hours " DOC_043: " Monthly: Simple average of all daily values; calculated if " DOC_044: " 7 or fewer days are missing " DOC_045: "Span of data : 01 Jan 1985 - 31 Dec 1998 " DOC_046: "Gaps > 1 mon : 05 Feb 1989 - 08 Mar 1989;18 Feb - 27 Jul 1991 " DOC_047: "Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 " DOC_048: "Units : millimeters Missing Data Flag : 9999 " DOC_049: "Existing : Yes Operational : Yes " DOC_050: "Sat. Trans. : Yes Distribution : 1985-1998 " DOC_051: "Refernce Levl: The data have been linked to tide staff zero " DOC_052: " which is leveled to fixed bench marks. " DOC_053: " These bench marks are not linked to the " DOC_054: " bench marks used by other data sets for Easter " DOC_055: " Island; thus, this data record is independent. " DOC_056: " A reference level shift has been identified in " DOC_057: " the analog rolls by the originators and an " DOC_058: " adjustment was applied: " DOC_059: " value added " DOC_060: " period( (hh)day/month/year) to original(mm) " DOC_061: " --------------------------- --------------- " DOC_062: " (06)01/11/1988-(00)06/02/89 +100 " DOC_063: " " DOC_064: " The period after the long gap in 1991 appears " DOC_065: " to have a lower mean level although data received " DOC_066: " via satellite also show this feature. It is not " DOC_067: " clear if a reference shift occurred during the gap. " DOC_068: " " DOC_069: "Comment : Some questionable fluctuations of nearly a one-day " DOC_070: " duration during the winter months are related to " DOC_071: " weather events. The daily and monthly means " DOC_072: " reveal no apparent changes in the reference " DOC_073: " level. However, in comparison with the satellite- " DOC_074: " received data at the University of Hawaii, the " DOC_075: " difference plot of daily means shows a possible " DOC_076: " shift around 27 Aug 1986 (+7 cm). This difference " DOC_077: " plot also shows some other subtle shifts. The " DOC_078: " originators have checked the tide staff observation " DOC_079: " sheets and the analog rolls and found no problems. " DOC_080: " The gaps filled below (*) used redundant satellite- " DOC_081: " received data that were decimated to hourly with " DOC_082: " a spot sample technique. $ below denotes that " DOC_083: " the PRS series was filled with BUB data. # denotes " DOC_084: " gaps filled with satellite-received BUB data. " DOC_085: " " DOC_086: " CI MISSING REPLACED GAPS QUESTIONABLE " DOC_087: "YEAR (%) DATA OR BAD DATA FLUCTUATIONS " DOC_088: "---- --- -------------------- --------------- -------------------- " DOC_089: "1985 98 1,127-128, (18)091-(06)092 132-133,154-155, " DOC_090: " 249-250 (21)112-(13)113 176-181 " DOC_091: " (16)131-(00)132 " DOC_092: " (12)347-(19)347 " DOC_093: " (14)361-(00)362 " DOC_094: "1986 100 none none 63-64,66,93-95 " DOC_095: "1987 100 none (23)335-(16)336 24-27,96-98,163, " DOC_096: " (20)342-(19)343 255,276 " DOC_097: " *(16)121-(21)123 " DOC_098: " *(17)365-(22)001 " DOC_099: "1988 100 none (06)182-(23)182 21-22,42,45-47, " DOC_100: " (23)271-(16)272 73-77,111,129-130, " DOC_101: " (10)289-(19)289 135 " DOC_102: " (08)305-(15)305 " DOC_103: " *(09)068-(18)069 " DOC_104: " *(00)093-(15)094 " DOC_105: " *(16)153-(23)155 " DOC_106: " *(20)253-(23)255 " DOC_107: " *(06)301-(14)302 " DOC_108: "1989 92 36-67 (07)067-(02)068 324-325 " DOC_109: " (12)121-(23)121 " DOC_110: " (11)274-(05)275 " DOC_111: " (14)318-(19)318 " DOC_112: "1990 98 58-66 (05)010-(17)010 none " DOC_113: " (17)357-(13)358 " DOC_114: " (05)360-(16)360 " DOC_115: " *(01)125-(15)134 " DOC_116: " *(02)361-(17)362 " DOC_117: " *(03)363-(23)365 " DOC_118: "1991 57 49-208 (18)030-(13)031 243 " DOC_119: " (07)034-(14)034 " DOC_120: " (03)040-(14)040 " DOC_121: " (01)043-(16)043 " DOC_122: " (00)227-(13)227 " DOC_123: " (17)243-(23)243 " DOC_124: " (01)244-(15)244 " DOC_125: " (20)259-(16)260 " DOC_126: "1992 100 none none none " DOC_127: "1993 100 none (18)252-(04)253 256-257,261-265 " DOC_128: " (16)349-(15)350 " DOC_129: " *(07)017-(07)020 " DOC_130: " *(15)031-(21)035 " DOC_131: " *(20)047-(12)049 " DOC_132: " *(22)074-(16)076 " DOC_133: " *(16)103-(15)105 " DOC_134: "1994 100 none $(18)032-(21)059 33-37,92-93 " DOC_135: " $(20)091-(08)094 " DOC_136: "1995 100 none none none " DOC_137: "1996 100 none none none " DOC_138: "1997 100 none #(12)212-(23)227 none " DOC_139: " #(00)260-(23)262 " DOC_140: "1998 99 60-62 (07)032-(17)032 none " DOC_141: " (07)091-(15)091 " DOC_142: " #(18)306-(00)308 " DOC_143: " #(01)333-(05)335 " DOC_144: " (21)338-(15)339 " CREATION_DATE: "08:54 7-JUL-2006"
Variables:
time_h
: Array of 32 bit Reals [time_h = 0..319199]
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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