Settlement Point (Bahamas) Site History
History Summary
Station Name | Settlement Point |
---|---|
Latitude | 26° 46.2' N |
Longitude | 078° 59.8' W |
Country | Bahamas |
GLOSS No. | 211 |
Time Reference | GMT (00-23 hours) |
Contributor | (1985-2000) NOAA/NOS, USA |
Instrument Type | (1985-1993) Analog-to-Digital Recorder
(1993-2000) NOAA Next Generation Water Level Measuring System (NGWLMS) |
Site of Gauge | |
Observational Periods | 1985 - 1993, 1996 - 2000 |
Reference Level | All data are referred to Tide Gauge Zero and are linked into historic fixed benchmarks. |
Tide Gauge Benchmark (TGBM) Description
BM control - 5 local benchmarks used to determine site stability
Benchmark Relationships
Local levelling with respect to mean sea level only.
Quality Assessment
Comments
Possible datum shift -10cm on 20 July 1992.
The data for 1996-2000 were supplied with heights relative to MLLW. Consequently 11729mm was added to refer the data to tide gauge zero.
The data for 1996-2000 were supplied in non-GMT format and had to be shifted into GMT.
Year | Completeness
Index (%) |
Questionable Fluctuations (In day Nos.)
and Missing Data (Gaps > 6 hours) |
---|---|---|
1985 | 89 | None |
1986 | 100 | None |
1987 | 100 | None |
1988 | 99 | None |
1989 | 62 | None
Gap from 1989/02/09 at 21.00 to 1989/04/11 at 16.00 Gap from 1989/05/25 at 15.00 to 1989/06/07 at 15.00 Gap from 1989/09/03 at 18.00 to 1989/10/06 at 19.00 |
1990 | 100 | None |
1991 | 100 | 164,304-305 |
1992 | 100 | 163-164,261-267 |
1993 | 100 | None |
1996 | 100 | 30-33,81-84,98-104,108-112,128-132,135-140,164-173,192- 200,205-210,234-242,263-264,290-297,310-315,321-325, 346-356 |
1997 | 100 | 3-9,61-65,97-100,119-122,126-129,149-160,178-189,222- 229,251-260,281-287,310-316,337-344 |
1998 | 47 | 108-112,121,173-179,330-335
Gap from 1998/05/01 at 05.00 to 1998/06/22 at 22.00 Gap from 1998/06/28 at 23.00 to 1998/11/17 at 21.00 |
1999 | 85 | 5,289,320
Gap from 1999/01/06 at 04.00 to 1999/01/14 at 19.00 Gap from 1999/11/16 at 13.00 to 1999/12/31 at 23.00 |
2000 | 100 | 50-55,74-81,131-143,166-172,177-185,195-202,263-271, 277-282,291-298,320-325 |