Confirmed by Begona there has been a datum shift in Las Palmas. Awaiting precise information so that RLR can be adjusted.
Documentation added 2011-01-20
When adding data for 2008/9 it was noticed that the early 1990's data values on the database differed from those now supplied by the PE . These erroneous values were traced back to the data first being supplied in 2004. Whole dataset was re-entered. This is one of the stations that is to be completely replaced eventually as a new radar gauge has now been installed. Station made RLR. RLR year 1994 factor 5.505m.
Documentation added 2013-03-18
The SRD acoustic gauge at Las Palmas has been moved and replaced with a MIROS radar sensor. Both old and new gauges were running for the period 01.01.2009-29.04.2010 for inter-comparison purposes. A bias (mean difference) of -0.10cm was calculated between the two gauges. Hardware problems (de-lamination) occurred with the new Miros gauge and the datum differs by -4cm from Nov. 2011. This has been accounted for in the supplied data. See paper by B. Perez et al 'Overlapping sea level time series measured using different technologies: an example from the REDMAR Spanish network'.
Documentation added 2014-01-13
Further investigation revealed that the bias was due to a problem with the old Acoustic gauge. Data from this has been revised. Complete dataset was re-entered onto the database.
Documentation added 2014-04-29
At the request of Puerto del Estado the latitude and longitude have been revised from 28.150000 -15.400000 derived from the previously supplied degrees and minutes value to 28.14056 -15.41181 which is the site of the new MIROS gauge in decimal degrees.
Puertos del Estado Area de Conocimiento y Analisis del Medio Fisico Avda. del Partenon, 10 28042 Madrid
Documentation added 2001-03-06
The Area de Conocimiento y Analisis del Medio Fisico was formerly known as the Departamento de Clima Maritimo.