Immingham site history

History summary

Station name Immingham
Country UK
Latitude of measuring point 53° 37' 51.7" N (prior to October 1996: 53° 37' 58.44" N)
Longitude of measuring point 00° 11' 9.7" W (prior to October 1996: 00° 11' 12.84" W)
OS grid ref. of measuring point TA 2004 1647 (prior to October 1996: TA 1987 1670)
Datum reference All data refer to Admiralty Chart Datum (ACD)
ACD = ODN -3.90m
Time reference GMT (hours 00-23)
Contributor Environment Agency Anglian Regional Office,
Kingfisher House,
Goldhay Way, Orton Goldhay,
Peterborough,
Cambridgeshire, PE2 5ZR
Instrument type 1910-1954 Palatine gauge located fairly close to present site.
1954+ Munro analogue gauge.
1986 Pneumatic bubbler system installed.
The system was relocated in 1996.
Site of measuring point The measuring points are attached to jetty leg at the east entrance to Immingham Docks
Position of tide gauge building TA 1995 1640 - GRP Building, E side of entrance to Immingham Docks
Observational period 1953,1956-1958,1963-2020

Benchmark descriptions

Benchmark OS grid ref. Description Height above ODN (m)
TGBM TA 1989 1630 Flush Bracket G4658 5.231
Aux1 TA 2005 1631 Cut mark building SW side of road, Customs house, N angle, NE face 5.485
Aux2 TA 1994 1640 Bolt on concrete base of T.G. Building 5.197

ODN = Ordnance Datum Newlyn

Parameters

Please note: All parameters listed below are sea level measured in metres. Different parameter codes represent different gauges. For an explanation of the codes, please see the BODC parameter dictionary.

Period Parameters Completeness index (%) Sample interval
1953 ASLVZZ01 2 60 minutes
1956 ASLVZZ01 100 60 minutes
1957 ASLVZZ01 99 60 minutes
1958 ASLVZZ01 99 60 minutes
1963 ASLVZZ01 75 60 minutes
1964 ASLVZZ01 100 60 minutes
1965 ASLVZZ01 100 60 minutes
1966 ASLVZZ01 100 60 minutes
1967 ASLVZZ01 100 60 minutes
1968 ASLVZZ01 100 60 minutes
1969 ASLVZZ01 99 60 minutes
1970 ASLVZZ01 99 60 minutes
1971 ASLVZZ01 98 60 minutes
1972 ASLVZZ01 93 60 minutes
1973 ASLVZZ01 100 60 minutes
1974 ASLVZZ01 98 60 minutes
1975 ASLVZZ01 97 60 minutes
1976 ASLVZZ01 99 60 minutes
1977 ASLVZZ01 100 60 minutes
1978 ASLVZZ01 95 60 minutes
1979 ASLVZZ01 98 60 minutes
1980 ASLVZZ01 99 60 minutes
1981 ASLVZZ01 99 60 minutes
1982 ASLVZZ01 96 60 minutes
1983 ASLVZZ01 99 60 minutes
1984 ASLVZZ01 99 60 minutes
1985 ASLVZZ01 98 60 minutes
1986

ASLVZZ01

ASLVBG02

50 (January to August)

40 (August to December)

60 minutes
1987 ASLVBG02 97 60 minutes
1988 ASLVBG02 100 60 minutes
1989 ASLVBG02 100 60 minutes
1990 ASLVBG02 100 60 minutes
1991 ASLVBG02 99 60 minutes
1992 ASLVBG02 100 60 minutes
1993 ASLVBG02 100 15 minutes
1994 ASLVBG02 100 15 minutes
1995 ASLVBG02 100 15 minutes
1996 ASLVBG02 87 15 minutes
1997 ASLVBG02 99 15 minutes
1998 ASLVBG02 96 15 minutes
1999 ASLVBG02 98 15 minutes
2000 ASLVBG02 96 15 minutes
2001 ASLVBG02 100 15 minutes
2002 ASLVBG02 100 15 minutes
2003 ASLVBG02 100 15 minutes
2004 ASLVBG02 99 15 minutes
2005 ASLVBG02 100 15 minutes
2006 ASLVBG02 94 15 minutes
2007 ASLVBG02 92 15 minutes
2008 ASLVBG02 98 15 minutes
2009 ASLVBG02 99 15 minutes
2010 ASLVBG02 99 15 minutes
2011 ASLVBG02 97 15 minutes
2012 ASLVBG02 100 15 minutes
2013 ASLVBG02 100 15 minutes
2014 ASLVBG02 99 15 minutes
2015 ASLVBG02 100 15 minutes
2016 ASLVBG02 100 15 minutes
2017 ASLVBG02 100 15 minutes
2018 ASLVBG02 100 15 minutes
2019 ASLVBG02 100 15 minutes
2020 ASLVBG02 January 15 minutes

Quality assessment

All data have been compared with the current Harmonic Constants library, and residuals checked. Records have been visually inspected for spikes, datum shifts and timing errors.

The tide gauge at this site is situated within an estuary and at times can be affected by freshwater influences particularly during stormy periods or after snow melt events. When affected the data is flagged as suspect and should only be used with caution. No corrections are applied to the data.

Where there are problems with the primary channel, data may be available from the backup channel. Please contact enquiries@bodc.ac.uk for more information.
In August 1986 the Dataring system was installed. The bubbler gauge (ASLVBG02) replaced the Munro gauge (ASLVZZ01). There is a gap in the file where the gauge was changed.
1993 - The processing of the 1993 file has left a null value at the start of the file (00:00 hours 01/01/1993). This is due to the sampling interval changing from 60 to 15 minutes and the first data point being too far from 00:00 to interpolate.
February 2003 - File output has been altered so that all values fall on the quarter hour and gaps are filled in with null values, marked with an 'N' flag.
March 2003 - Residuals (observed minus predicted sea level values, measured in metres) now included in the file output.
On 03/02/2012 a new data logger was installed. Tests were carried out to ensure the logger was functioning correctly, resulting in some data being lost.
November 2012 - The file output has been altered to reflect the Contributor name change from Proudman Oceanographic Laboratory to National Oceanography Centre, Liverpool. Also, the Parameter code has been improved and now uses a controlled vocabulary.

Please note: After a visit to the site in June 2004, when the mid tide channel was enabled, it was found that there had been an error in the levelling. From 14/11/2000 12:00 GMT to 23/06/2004 00:45 GMT all channels have been raised by 38mm. The affected files have been corrected to chart datum.

Missing and suspect data have been reported on the following day numbers:-

Period Parameter Missing data Suspect data
1953 ASLVZZ01 001-027,035-365 None
1956 ASLVZZ01 None 298
1957 ASLVZZ01 273 276
1958 ASLVZZ01 104,364-365 171-173,181-187,239-244,254-258
1963 ASLVZZ01 001-091 221-228
1964 ASLVZZ01 None 081-085,289-293
1965 ASLVZZ01 None 043,118-121
1966 ASLVZZ01 None 049-058,064-066,113-116
1967 ASLVZZ01 None 084-088,095-096,107-110,129-137,143-152,293-296
1968 ASLVZZ01 None None
1969 ASLVZZ01 088-090,316,330 021-025,265,305
1970 ASLVZZ01 199 105-106
1971 ASLVZZ01 002-010 010-013,283
1972 ASLVZZ01 149-151,341-362 266-273,292-302
1973 ASLVZZ01 None 281-287,316
1974 ASLVZZ01 156-163,195,266 096-098,113-117,143-147,202-207,228-234,250,338,344,346-347
1975 ASLVZZ01 001-008,071-072 014-015,044-049,056-064,067-071
1976 ASLVZZ01 351-352 None
1977 ASLVZZ01 None 051-054,064,250,294-296,315-316
1978 ASLVZZ01 207-226 054,326-327
1979 ASLVZZ01 032-033,074-075,219-220 056-062,119-120,308-309,338-339
1980 ASLVZZ01 188-189 333
1981 ASLVZZ01 112-114 None
1982 ASLVZZ01 020-021,048-054,097,115-119,349 098-115
1983 ASLVZZ01 306 None
1984 ASLVZZ01 225-226 127,136-139,143
1985 ASLVZZ01 029-030,050-057 None
1986

ASLVZZ01

ASLVBG02

183-220

None

None

None

1987 ASLVBG02 069-078 None
1988 ASLVBG02 None None
1989 ASLVBG02 None None
1990 ASLVBG02 None None
1991 ASLVBG02 195-196 None
1992 ASLVBG02 None None
1993 ASLVBG02 None 032-039
1994 ASLVBG02 None None
1995 ASLVBG02 None 035-040
1996 ASLVBG02 253-299,331-332 332-334
1997 ASLVBG02 119-120,140-141 057-058,120-121
1998 ASLVBG02 083-088,097-098,111-112,237-238,314-320,356 224,228-242,342
1999 ASLVBG02 145-146,160-165,351-352 327
2000 ASLVBG02 060,109,308-319 028-030,266-272
2001 ASLVBG02 None None
2002 ASLVBG02 None 263-264,302-303
2003 ASLVBG02 None 020,245,250-251,253-256,284,294,297-303,305-306
2004 ASLVBG02 175-176 None
2005 ASLVBG02 None 045
2006 ASLVBG02 011-022,036-039,054,067-074,075 004-005,282,332
2007 ASLVBG02 135-164 None
2008 ASLVBG02 357-362 128-134
2009 ASLVBG02 092,186-187,231-232 232-301,303-314
2010 ASLVBG02 055 002-005,030-034,059-063,088-091,093,132,224-225,252-254,310-311,339-341,358-359
2011 ASLVBG02 035-046,049 021-023,047-048,050-059,061-069,075,077-083,092-097,101,106-122,126,132-218,239-246,248,256-259,261-275,277-365
2012 ASLVBG02 None 001-033,036-271
2013 ASLVBG02 None 244-304,317-318,340-349,352-357,359,361-362,364-365
2014 ASLVBG02 175 001-005,007-010,023-059,141-147,239-254,260-303,309-365
2015 ASLVBG02 None 001-176,184-365
2016 ASLVBG02 None 001-366
2017 ASLVBG02 None 001-132,137,139-154,157-179,193-201,214-220,224-243,245,247-270,275-302,312-321,324,333-344,348,350-365
2018 ASLVBG02 None 001-043,045-200,206,209,212-213,215,218-231,236-242,249,251-258,261,264-265,267-276,278-287,289,294-302,304-305,308-315,317,323-365
2019 ASLVBG02 None 001-059,064,066-118,121-127,130-135,137-365
2020 ASLVBG02 None 001-031
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