EUROPEAN SEA LEVEL OBSERVING SYSTEM Station Information Sheet GLOSS Number Station name Roompot Buiten Country Netherlands Time zone 015E, GMT + 1 hour Latitude 51.6203 Longitude 3.683333 Ocean/sea Atlantic/ Responsible country Netherlands Committed to GLOSS No Operational? Yes Point of contact Koos Doekes, Rijkswaterstaat RIKZ P.O. Box 20907 2500 EX Den Haag Netherlands Tel: +31 (0)70 3114 520 Fax: +31 (0)70 3114 321 E-mail: j.doekes@rikz.rws.minvenw.nl WWW: http://www.waterland.net/rikz/waterstand Authority responsible Rijkswaterstaat RIKZ for tide gauge P.O. Box 20907, 2500 EX Den Haag Netherlands Gauge servicing interval Minimum twice/ year Gauge servicing agency outside contractor Observation periods 1987 Gauge type float Sampling rate 10 second samples, averaged to give 10 minute means Digital data Yes Real time data No Storm surge warning gauge No Additional parameters Any other parameters MSL method Submission to PSMSL Yes PSMSL data holdings Other data banks Additional information Tide gauge benchmark description Head of steel column inside tide gauge hut Frequency of levelling Twice per year Tide gauge zero relative to EUVN 0 Tide gauge zero relative to 0 national levelling datum Tide gauge zero relative to TGBM = TGZ + 9.308 m tide gauge benchmark Auxiliary benchmark description Permanent GPS within 1 km No EUREF code Campaign GPS Geological substrate sediment Gauge signal likely to no be affected by river outflow, density changes etc Any other information