af12b8e5-9e31-4654-80c8-ca1f05c1f487 Koninklijk Nederlands Meteorologisch Instituut (KNMI) Koninklijk Nederlands Meteorologisch Instituut (KNMI) Koninklijk Nederlands Meteorologisch Instituut (KNMI) opendata@knmi.nl opendata@knmi.nl 2026-02-23T13:24:53.659718Z ISO 19115 ISO 19115:2003 NL Kernset 1.3 KNMI 1.1 http://www.opengis.net/def/crs/EPSG/0/4326 http://www.opengis.net/def/crs/EPSG/0/4326 Groundwater - daily groundwater levels from 9 locations at Cabauw Groundwater - daily groundwater levels from 9 locations at Cabauw Grondwater - dagelijkse grondwaterstand voor 9 locaties in Cabauw 2019-09-25 2 urn:xkdc:ds:nl.knmi::cesar_grndwater_level_la1_t1d/v1.0/ Groundwater levels at Cabauw have been measured since August 2003 in two fields south of the tower. Nine piezometers were placed in a row. Initially, 6 of those piezometers contained pressure transducers (of the brand Keller) to measure levels automatically every 4 hours. On 9 July 2010, the temporal resolution was increased to hourly. Several sensors have stopped working since 2003. Piezometers that were not measured automatically were measured during each filed visit, which was initially every 2 weeks, but has become longer towards the end of the measurement period. Groundwater levels at Cabauw have been measured since August 2003 in two fields south of the tower. Nine piezometers were placed in a row. Initially, 6 of those piezometers contained pressure transducers (of the brand Keller) to measure levels automatically every 4 hours. On 9 July 2010, the temporal resolution was increased to hourly. Several sensors have stopped working since 2003. Piezometers that were not measured automatically were measured during each filed visit, which was initially every 2 weeks, but has become longer towards the end of the measurement period. Grondwaterniveaus in Cabauw zijn gemeten vanaf augustus 2003 op twee lokaties zuid van de mast. Negen piezometers werden op een rij geplaatst. In eerste instantie waren zes van de piezometers uitgerust met een druksensor (merk Keller) die elke 4 uur automatisch de grondwaterstand registreerde. Op 9 juli 2010 werd het interval teruggebracht naar 1 uur. Piezometers die niet geautomatiseerd waren, werden in eerste instantie elke 2 weken handmatig uitgelezen, maar deze periode werd langer naar het einde van de meetreeks. Koninklijk Nederlands Meteorologisch Instituut (KNMI) Koninklijk Nederlands Meteorologisch Instituut (KNMI) Koninklijk Nederlands Meteorologisch Instituut (KNMI) opendata@knmi.nl opendata@knmi.nl Groundwater Groundwater Grondwater Groundwater level Groundwater level Grondwater niveau Piezometer Piezometer Piezometer CESAR CESAR CESAR Cabauw Cabauw Cabauw DG Discovery Properties Vocabulary 1.0 DG Discovery Properties Vocabulary 1.0 2013-01-01 Ruisdael Ruisdael Ruisdael No use limitations No use limitations Geen gebruiksbeperkingen https://creativecommons.org/licenses/by/4.0/deed.nl https://creativecommons.org/licenses/by/4.0/deed.nl 1 climatologyMeteorologyAtmosphere 4.921 4.929 51.968 51.975 2003-01-01 2011-12-31 This dataset was initial uploaded and distributed via CESAR Database System, CDS (www.cesar-database.nl). The full name in CDS was cesar_groundwater_leveldaily_la1_t1d, v1.0 A dataset description document can be downloaded from www.cesar-database.nl/ShowSystemDescription.do?datasetID=1173 (note the CDS datasetID=1166 but DDD is missing, both daily and hourly datasets have the same DDD) This dataset was initial uploaded and distributed via CESAR Database System, CDS (www.cesar-database.nl). The full name in CDS was cesar_groundwater_leveldaily_la1_t1d, v1.0 A dataset description document can be downloaded from www.cesar-database.nl/ShowSystemDescription.do?datasetID=1173 (note the CDS datasetID=1166 but DDD is missing, both daily and hourly datasets have the same DDD) Deze dataset was oorspronkelijk beschikbaar via het CDS Database System (www.cesar-database.nl) Onder de volledige naam cesar_groundwater_leveldaily_la1_t1d,v1.0. Een dataset beschrijving kan worden gedownload van www.cesar-database.nl/ShowSystemDescription.do?datasetID=1173 (Let op: de CDS datasetID=1166 maar de DDD ontbreekt in het CDS. De uurlijkse en dagelijkse dataset hebben dezelfde DDD) NetCDF NetCDF 3 CF Koninklijk Nederlands Meteorologisch Instituut (KNMI) Koninklijk Nederlands Meteorologisch Instituut (KNMI) Koninklijk Nederlands Meteorologisch Instituut (KNMI) opendata@knmi.nl opendata@knmi.nl https://dataplatform.knmi.nl/catalog/datasets/index.html?x-dataset=cesar_grndwater_level_la1_t1d&x-dataset-version=v1.0 landingpage KNMI Data Platform KNMI Data Platform Dataset has been gap filled (see dataset description document) Dataset has been gap filled (see dataset description document) Ontbrekende gegevens in deze dataset zijn aangevuld (zie dataset description document)