{ "type" : "Feature", "links" : [ { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/23/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/23/items/50?f=json", "rel" : "self", "type" : "application/geo+json", "title" : "This document as JSON" }, { "href" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/OGCFeatureServer/collections/23/items/50?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/23/items/50?f=application/geo+json", "rel" : "alternate", "type" : "application/geo+json", "title" : "This document as application/geo+json" } ], "LayerId" : 23, "LayerName" : "Dijken - oorspronkelijke functie", "id" : "50", "properties" : { "OBJECTID" : 50, "TOELICHTING" : "https://geoportaal.fryslan.nl/arcgis/rest/services/CHK2/MapServer/50/11/attachments/10", "ONTSTAAN" : "Voor 1200", "SYSTEEM" : "Westergo binnenpolderdijken", "VERSCHIJNING" : "aangelegd", "OORSPRFUNCTIE" : "Binnenpolderdijk", "SHAPE_Length" : 5042.0027973745755, "OORSPRONGOMSCHRIJVING" : "Binnenpolderdijken dienden ertoe om bij dijkdoorbraken de penetratie landinwaarts van het zeewater zoveel mogelijk te beperken. De aloude Slachte is hiervan het bekendste voorbeeld. Daarnaast werden binnendijken opgeworpen om het opstuwen van binnenwater tegen te gaan en als het ware door compartimentering het opwaaien van het boezemwater te bedwingen, dan wel het water vanuit naast-gelegen gebieden te keren. ", "OMSCHRIJVING_RIENKS_EN_WALTHER" : "Tracé tussen Oosterend en Luthewierum, tracé loopt over 4 terpen, tussen Stittens en Itens wijkt het dijktracé af van het wegtrace´, geldt eveneens voor Rien. De dijk heeft het oude zeedijkkarakter in zoverre behouden, dat hij rondom flink boven het land ligt, hoewel de hoogte op plekken niet verder reikt dan 1,30 meter + S.P.; de breedte is ongelijk, ergens twaalf meter, maar ook wel meer. Tussen Itens en Stittens bij Easterein, en ter hoogte van Wyns; zijn in de vorige eeuw bochten afgesneden. In de eerst- en laatstgenoemde bochten is de dijk nog aan de perceelscheidingen en verhogingen in het land terug te vinden. Aan het eind bij Wyns is hij niet breder dan zeven à acht meter geweest, bij Rien werd elf meter tussen de sloten gemeten. Het stuk de Riensterhoeke-Itens-de Gouden Ingel liep over vijf terpen.", "BRONNEN" : "CHK2 (Provincie Fryslân), Noordpeil, Binnendiken en Slieperdiken yn Fryslân (Ir K. A. Rienks en Ir G. L. 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