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- KNMI-mast_Cabauw abstract "The KNMI-mast Cabauw is a 213 metre high guyed mast for meteorological measurements at Cabauw, the Netherlands.In 1972 at Cabauw (06348) a 213 m high mast was specifically built for meteorological research to establish relations between the state of the atmospheric boundary layer (ABL), land surface conditions and the general weather situation for all seasons. The Cabauw mast is located in the western part of the Netherlands (51.971 °N, 4.927 °E) in a polder 0.7 m below average sealevel. This site was chosen, because it is rather representative for this part of the Netherlands and because only minor landscape developments were planned in this region. Indeed the present surroundings of Cabauw do not differ significantly from those in 1972.The North Sea is more than 50 km away to the WNW. The nearby region is agricultural, and surface elevation changes are at most a few metres over 20 km. Within 40 km radius there are four major synoptic weather stations, among which is the regular radiosonde station at De Bilt (06260), ensuring a permanent supporting mesoscale network. Near the mast, the terrain is open pasture for at least 400 m in all directions, and in the WSW direction for 2 km. Farther away, the landscape is generally very open in the West sector, while the distant East sector is rather rough (windbreaks, orchards, low houses).The distant North and South sectors are mixed landscapes, much pasture and some windbreaks. So the highest mast levels have in all directions a long fetch of landscape roughness which is usefully similar to the roughness observed in the lower surface layer. On the mast itself no undisturbed measurements can be made below 20 m. Auxiliary 20 m masts are installed to the SE and the NW at sufficient distance from the mast foot building. South of the mast is a well-kept observation field for micrometeorological observations, including soil heat flux, soil temperatures and various radiation measurements; north of the mast is a spare observation field. The soil consists of 0.6 m of river-clay, overlying a thick layer of peat. The water table is about 1 m below the surface, but can be higher during wet periods.The mast is a closed cylinder of 2 m diameter, with an elevator inside. It is guyed at four levels, and carries booms at 20 m intervals in three directions. The 9.4 m booms can be swung up hydraulically, so that instruments at their ends can be handled from an upper balcony; this swivelling mounting allows much longer booms than the customary sideways-sliding construction. Permanent signal cables in the boom tubes run through the hollow swivel axis, so during boom motion they are only torsion-deformed, a more endurable load than bending. Built around the mast foot is a 200 m2 streamlined building for registration and maintenance purposes.On top of the mast, a compact weather radar was installed in 2007, measuring precipitation up to a radius of 60 km around the mast.".
- KNMI-mast_Cabauw buildingEndDate "1972".
- KNMI-mast_Cabauw height "213.0".
- KNMI-mast_Cabauw location Cabauw.
- KNMI-mast_Cabauw location Netherlands.
- KNMI-mast_Cabauw thumbnail Meetmast_Cabauw.jpg?width=300.
- KNMI-mast_Cabauw type Partially_guyed_tower.
- KNMI-mast_Cabauw wikiPageExternalLink index.html.
- KNMI-mast_Cabauw wikiPageExternalLink cabauw.html.
- KNMI-mast_Cabauw wikiPageExternalLink viewdata.htm.
- KNMI-mast_Cabauw wikiPageExternalLink ?b29559.
- KNMI-mast_Cabauw wikiPageID "1760453".
- KNMI-mast_Cabauw wikiPageLength "4044".
- KNMI-mast_Cabauw wikiPageOutDegree "12".
- KNMI-mast_Cabauw wikiPageRevisionID "706461636".
- KNMI-mast_Cabauw wikiPageWikiLink Cabauw.
- KNMI-mast_Cabauw wikiPageWikiLink Category:Buildings_and_structures_in_Utrecht_(province).
- KNMI-mast_Cabauw wikiPageWikiLink Category:Communication_towers_in_the_Netherlands.
- KNMI-mast_Cabauw wikiPageWikiLink Category:Guyed_masts.
- KNMI-mast_Cabauw wikiPageWikiLink Category:Lopik.
- KNMI-mast_Cabauw wikiPageWikiLink De_Bilt.
- KNMI-mast_Cabauw wikiPageWikiLink List_of_tallest_structures_in_the_world.
- KNMI-mast_Cabauw wikiPageWikiLink Netherlands.
- KNMI-mast_Cabauw wikiPageWikiLink North_Sea.
- KNMI-mast_Cabauw wikiPageWikiLink Partially_guyed_tower.
- KNMI-mast_Cabauw wikiPageWikiLinkText "KNMI-mast Cabauw".
- KNMI-mast_Cabauw buildingType Partially_guyed_tower.
- KNMI-mast_Cabauw caption "KNMI-mast Cabauw".
- KNMI-mast_Cabauw completionDate "1972".
- KNMI-mast_Cabauw location Cabauw.
- KNMI-mast_Cabauw location Netherlands.
- KNMI-mast_Cabauw name "KNMI-mast Cabauw".
- KNMI-mast_Cabauw status "Built".
- KNMI-mast_Cabauw wikiPageUsesTemplate Template:Convert.
- KNMI-mast_Cabauw wikiPageUsesTemplate Template:Coord.
- KNMI-mast_Cabauw wikiPageUsesTemplate Template:Infobox_building.
- KNMI-mast_Cabauw wikiPageUsesTemplate Template:Tallest_buildings_in_the_Netherlands.
- KNMI-mast_Cabauw subject Category:Buildings_and_structures_in_Utrecht_(province).
- KNMI-mast_Cabauw subject Category:Communication_towers_in_the_Netherlands.
- KNMI-mast_Cabauw subject Category:Guyed_masts.
- KNMI-mast_Cabauw subject Category:Lopik.
- KNMI-mast_Cabauw type ArchitecturalStructure.
- KNMI-mast_Cabauw type Building.
- KNMI-mast_Cabauw type Place.
- KNMI-mast_Cabauw type Location.
- KNMI-mast_Cabauw type Place.
- KNMI-mast_Cabauw type Thing.
- KNMI-mast_Cabauw type Q41176.
- KNMI-mast_Cabauw comment "The KNMI-mast Cabauw is a 213 metre high guyed mast for meteorological measurements at Cabauw, the Netherlands.In 1972 at Cabauw (06348) a 213 m high mast was specifically built for meteorological research to establish relations between the state of the atmospheric boundary layer (ABL), land surface conditions and the general weather situation for all seasons. The Cabauw mast is located in the western part of the Netherlands (51.971 °N, 4.927 °E) in a polder 0.7 m below average sealevel.".
- KNMI-mast_Cabauw label "KNMI-mast Cabauw".
- KNMI-mast_Cabauw sameAs Q1718840.
- KNMI-mast_Cabauw sameAs KNMI-Messmast_Cabauw.
- KNMI-mast_Cabauw sameAs Meetmast_Cabauw.
- KNMI-mast_Cabauw sameAs m.05ttg3.
- KNMI-mast_Cabauw sameAs 7281942.
- KNMI-mast_Cabauw sameAs Q1718840.
- KNMI-mast_Cabauw wasDerivedFrom KNMI-mast_Cabauw?oldid=706461636.
- KNMI-mast_Cabauw depiction Meetmast_Cabauw.jpg.
- KNMI-mast_Cabauw isPrimaryTopicOf KNMI-mast_Cabauw.
- KNMI-mast_Cabauw name "KNMI-mast Cabauw".