{"id":7455,"date":"2022-05-23T12:34:33","date_gmt":"2022-05-23T09:34:33","guid":{"rendered":"https:\/\/hiiumaa.ee\/objekt\/artesian-wells-in-kardla\/"},"modified":"2023-05-10T15:20:51","modified_gmt":"2023-05-10T12:20:51","slug":"artesian-wells-in-kardla","status":"publish","type":"objekt","link":"https:\/\/hiiumaa.ee\/en\/object\/artesian-wells-in-kardla\/","title":{"rendered":"Artesian wells in K\u00e4rdla"},"content":{"rendered":"","protected":false},"featured_media":16375,"template":"","objekti_tuup":[117],"tegevusala":[189],"randade_filtrid":[],"teenuste_kategooriad":[],"class_list":["post-7455","objekt","type-objekt","status-publish","has-post-thumbnail","hentry","objekti_tuup-attraction","tegevusala-nature"],"acf":{"kas_naidata_kaardirakenduses":"jah","arinimi":"","aadress":"Pikk t\u00e4nav, K\u00e4rdla linn","asukoha_koordinaadid":"22.73157501220703|58.997154235839844","access_point_coordinates":"","osavald":"- Vali -","telefon":"","e-mail":"","koduleht":"","facebook":"","youtube":"","instagram":"","kirjeldus":"The town of K\u00e4rdla is situated in the crater of a meteorite that hit the area about 455 mil-\u00a0 lion years ago during the Middle Ordovician period. The falling speed of the \u2018star\u2019 was\u00a0 about 20 to 30 kilometres per second and in a couple of centiseconds, it penetrated the water\u00a0 and the seabed and exploded at a depth of about 200 metres in the soil deposit at the seabed.\u00a0 The explosion, which equalled the power of 8000 nuclear bombs dropped on Hiroshima,\u00a0 moved the limestone plateaus at the bottom of the seabed slantwise upwards and this way\u00a0 created the Artesian wells or pressurised groundwater in the town of K\u00e4rdla. Rain water\u00a0 absorbs easily in the areas on top of the dome \u2013 Linnum\u00e4gi, Antonim\u00e4gi and Paluk\u00fcla,\u00a0 where fissured limestone is covered only with a thin layer of soil and from there, it rapidly\u00a0 runs towards the lower areas of K\u00e4rdla. Where the limestone bed residing lower is covered\u00a0 with waterproof deposits (varved clay), the groundwater is pressurised; when the protective\u00a0 layer of varved clay is drilled through, the groundwater bursts out like a fountain and keeps\u00a0 flowing as a reach \u2013 Artesian water.\r\n\r\nThis is why there are many Artesian wells in the north western and western part of K\u00e4rdla,\u00a0 in particular in Tiigi and Aia Streets.\r\n\r\nIn the depths of the K\u00e4rdla meteorite crater, mineral water of very high quality was found\u00a0 too; it contains about 3 to 4 grams of solute mineral salts rich in Cl-Na-Ca per litre and also\u00a0 some bioactive components (bromine and iodine). This mineral water with medicinal quali-\u00a0 ties was produced here until 1991. (Deeper down, at 500 to 815 metres, the drilled well pro-\u00a0 duces mineral water with a mineral content of up to 16 grams per litre).","lisakirjeldus":"","lahtiolekuajad":"","lisainfo":"","pildid":[16375,16373,5350,5351,5352,5353],"accommodation_photos":null,"restaurant_photos":null,"featured_photo":null,"main_image_title":"a:1:{i:2798603;a:7:{s:2:\"et\";s:47:\"Aia 19. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";s:2:\"en\";s:54:\"19 Aia Street. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";s:2:\"ru\";s:50:\"\u0410\u0439\u0430 19. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";s:2:\"lv\";s:47:\"Aia 19. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";s:2:\"fi\";s:47:\"Aia 19. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";s:2:\"sv\";s:47:\"Aia 19. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";s:2:\"de\";s:52:\"Aia-Str. 19. K\u00e4rdla linna fotoarhiiv. Mart M\u00f5niste\";}}","additional_image_titles":"a:4:{i:2798604;a:7:{s:2:\"et\";s:48:\"Aia 34A. 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