{ "type" : "Feature", "links" : [ { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items?f=application%2fjson", "rel" : "collection", "type" : "application/geo+json", "title" : "The collection document" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items/425?f=json", "rel" : "self", "type" : "application/geo+json", "title" : "This document as JSON" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items/425?f=text/html", "rel" : "alternate", "type" : "text/html", "title" : "This document as text/html" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/24/items/425?f=application/geo+json", "rel" : "alternate", "type" : "application/geo+json", "title" : "This document as application/geo+json" } ], "LayerId" : 24, "LayerName" : "Dijksystemen", "id" : "425", "properties" : { "OBJECTID" : 425, "TOELICHTING" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/MapServer/50/11/attachments/10", "ONTSTAAN" : "1825-1950", "SYSTEEM" : "Zuidwest-Fryslân slaperdijken", "VERSCHIJNING" : "aangelegd", "OORSPRFUNCTIE" : "Slaperdijk", "SHAPE_Length" : 10516.851845670855, "OORSPRONGOMSCHRIJVING" : "Slaperdijken dienen als het ware als tweede kustverdedingslijn in geval van dijk-doorbraken. Het zijn ofwel zeedijken die hun functie als primaire zeewaterkering verloren dan wel doelbewust opgeworpen slaperdijken zoals de uit de achttiende eeuw daterende Zuricher, Koudumer en Sondeler slaperdijken.", "OMSCHRIJVING_RIENKS_EN_WALTHER" : "Dijksegment beginnend ten zuiden van Joure en daarvandaan langs de Alde Wei, Noarder Aldewei, Goaiïngarypsterpuollen, Sâlte Poel en Snitsermar zou lopen naar de Griene Dyk in Raarderhim (Rauwerderhem). Het noordelijke stuk van de Nieuwe Slachte tot Goaiïngaryp kreeg een hoogte van twee meter + SP. Van Goaiïngaryp tot de Skiensdyk daalde de kruin tot 1,60 meter + SP. De dijk is stevig en gaaf, de vakken langs de meren zijn met een stenen glooiing beveiligd. De aanleg van de Nieuwe Slachte in aansluiting met de Griene Dyk ten westen van het Snitsermar had moest de taak overnemen van de Leppedijk die in 1877 buiten werking werd gesteld; als binnenlandse waterkering moest hij het opwaaien op de boezem inperken.", "BRONNEN" : "CHK2 (Provincie Fryslân), Noordpeil, Binnendiken en Slieperdiken yn Fryslân (Ir K. A. Rienks en Ir G. L. 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