Fr\u00e1veitur taka vi\u00f0 sk\u00f3lpi fr\u00e1 h\u00fasum og i\u00f0na\u00f0arstarfsemi \u00ed \u00fe\u00e9ttb\u00fdli og flytja \u00fea\u00f0 \u00ed n\u00e6sta vi\u00f0taka, sem er anna\u00f0hvort yfirbor\u00f0svatn (\u00e1r, l\u00e6kir, st\u00f6\u00f0uv\u00f6tn) e\u00f0a sj\u00f3rinn. Hef\u00f0bundin fr\u00e1veitukerfi eru ne\u00f0anjar\u00f0ar lei\u00f0slukerfi, e\u00f0a nokkurs konar ne\u00f0anjar\u00f0ar \u00e1r sem flj\u00f3ta undan eigin \u00feyngd ni\u00f0ur \u00ed l\u00e6gsta punkt, sem \u00e1 \u00cdslandi er yfirleitt sj\u00f3rinn.<\/p>\n
Sameiginlegar lagnir \u00ed eldri hverfum \u00cd eldri hverfum eru sameiginlegar lagnir sk\u00f3lps, hitaveitu- og regnvatns. \u00deetta fyrirkomulag skapar tv\u00f6 vandr\u00e6\u00f0i. \u00cd fyrsta lagi, er tilhneyging til \u00feess a\u00f0 fl\u00e6\u00f0i upp \u00far kerfinu \u00ed asa hl\u00e1ku e\u00f0a rigningu. \u00deetta er heilsuvandam\u00e1l \u00fev\u00ed \u00fe\u00e1 komast sk\u00f3lpgerlar \u00e1 yfirbor\u00f0i\u00f0 og m\u00f6gulega \u00ed snertingu vi\u00f0 f\u00f3lk. Einnig geta sl\u00edk fl\u00f3\u00f0 valdi\u00f0 miklu fj\u00e1rhagslegu tj\u00f3ni, \u00fear sem sk\u00f3lp fl\u00e6\u00f0ir upp \u00far kl\u00f3settum \u00ed kj\u00f6llurum. \u00cd \u00f6\u00f0ru lagi \u00fe\u00e1 skapar miki\u00f0 magn regnvatns auki\u00f0 \u00e1lag \u00e1 sk\u00f3lphreinsist\u00f6\u00f0var. Efnaeiginleikar sk\u00f3lps breytast me\u00f0 mikilli \u00fat\u00feynningu, og virkni sk\u00f3lphreinsunar fellur. \u00cd versta falli er \u00f3me\u00f0h\u00f6ndlu\u00f0u sk\u00f3lpi veitt beint \u00ed vi\u00f0taka \u00ed gegnum yfirf\u00f6ll.<\/p>\n Lesa m\u00e1 um fl\u00f3\u00f0h\u00e6ttu \u00ed kvosinni \u00ed reykjav\u00edk \u00ed Meistararitger\u00f0 \u00c1stu \u00d3sk Hl\u00f6\u00f0versd\u00f3ttur<\/a>.<\/p>\n A\u00f0skildar lagnir \u00ed n\u00fdjum hverfum<\/strong><\/p>\n Til \u00feess a\u00f0 minnka \u00e1lag \u00e1 sk\u00f3lphreinsist\u00f6\u00f0var og minnka l\u00edkur \u00e1 fl\u00f3\u00f0um eru regnlagnir a\u00f0skildar fr\u00e1 sk\u00f3lpl\u00f6gnum \u00ed n\u00fdrri hverfum. Regnvatninu m\u00e1 veita beint \u00fat \u00ed sj\u00f3, \u00e1n hreinsunar. En ef regnvatni er veitt \u00ed vi\u00f0kv\u00e6ma vi\u00f0taka, til d\u00e6mis \u00ed fiskvei\u00f0i\u00e1r og v\u00f6tn, \u00fe\u00e1 ber a\u00f0 hreinsa \u00fea\u00f0. S\u00ed\u00f0astli\u00f0inn \u00e1ratug hafa fj\u00f6ldi setttjarna veri\u00f0 bygg\u00f0ar \u00ed Reykjav\u00edk til \u00feess a\u00f0 var\u00f0veitag\u00e6\u00f0i \u00e1a, eins og Ell\u00ed\u00f0a\u00e1r og \u00dalfars\u00e1r, hvoru tveggja vei\u00f0i\u00e1r. Settjarnir flokkast undir sj\u00e1lfb\u00e6rar ofanvatnslausnir, \u00fev\u00ed \u00fe\u00e6r me\u00f0h\u00f6ndla vatn me\u00f0 n\u00e1tt\u00farulegum ferlum. Miki\u00f0 til af mengun fr\u00e1 g\u00f6tum og h\u00fasum er bundi\u00f0 vi\u00f0 agnir, sem botnfalla \u00ed settj\u00f6rnunum. \u00cdslenskar ranns\u00f3knir<\/a> \u00e1 virkni settjarna gefa til kynna a\u00f0 \u00fe\u00e6r \u00fej\u00f3ni g\u00f3\u00f0u hlutverki a\u00f0 draga \u00far mengunartoppum, sem eru verstir \u00ed snj\u00f3br\u00e1\u00f0 \u00e1 veturna. En vindur getur m\u00f6gulega stu\u00f0la\u00f0 a\u00f0 minni botnfellingu \u00e1 minnstu \u00f6gnunum.<\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Fr\u00e1veitur taka vi\u00f0 sk\u00f3lpi fr\u00e1 h\u00fasum og i\u00f0na\u00f0arstarfsemi \u00ed \u00fe\u00e9ttb\u00fdli og flytja \u00fea\u00f0 \u00ed n\u00e6sta vi\u00f0taka, sem er anna\u00f0hvort yfirbor\u00f0svatn (\u00e1r, l\u00e6kir, st\u00f6\u00f0uv\u00f6tn) e\u00f0a sj\u00f3rinn. Hef\u00f0bundin fr\u00e1veitukerfi eru ne\u00f0anjar\u00f0ar lei\u00f0slukerfi, e\u00f0a nokkurs konar ne\u00f0anjar\u00f0ar \u00e1r sem flj\u00f3ta undan eigin \u00feyngd … Halda \u00e1fram a\u00f0 lesa
\n<\/strong><\/p>\n