{"id":253,"date":"2014-04-16T16:10:25","date_gmt":"2014-04-16T16:10:25","guid":{"rendered":"http:\/\/nsve.is\/?p=253"},"modified":"2015-07-29T16:14:02","modified_gmt":"2015-07-29T16:14:02","slug":"einstakt-vistkerfi-undir-alagi","status":"publish","type":"post","link":"https:\/\/nsve.is\/?p=253","title":{"rendered":"Einstakt vistkerfi undir \u00e1lagi"},"content":{"rendered":"

\u00deINGVALLAVATN: Einstakt vistkerfi undir \u00e1lagi<\/em>, var heiti erindis sem Hilmar J. Malmquist flutti \u00e1 \u00deingvallam\u00e1lstefnu NSVE og NVSS vori\u00f0 2013. \u00dear l\u00fdsti hann s\u00e9rst\u00f6\u00f0u \u00deingvallavatns og \u00e1standi me\u00f0 tilliti til vatnsg\u00e6\u00f0a og nefndi \u00e1lags\u00fe\u00e6tti vegna efnamengunar og loftslagshl\u00fdnunar sem g\u00e6tu valdi\u00f0 breytingu \u00e1 \u00fatliti og l\u00edfr\u00edki vatnsins.<\/strong><\/p>\n

\u00c1 N\u00e1tt\u00farufr\u00e6\u00f0istofu K\u00f3pavogs hefur Hilmar annast ranns\u00f3knir \u00e1 vatnss\u00fdnum \u00far \u00deingvallavatni undanfarin \u00e1r og \u00e1ratugi. Meginatri\u00f0i v\u00f6ktunarverkefna fr\u00e1 \u00fev\u00ed \u00ed apr\u00edl 2007 hafa veri\u00f0:<\/p>\n

a) ofau\u00f0gun n\u00e6ringarefna<\/p>\n

b) mengunar\u00f3h\u00f6pp<\/p>\n

c) n\u00fdting vatns (ekki vatnsmi\u00f0lun)<\/p>\n

c) loftslagshl\u00fdnun.<\/p>\n

\u00deessir \u00fe\u00e6ttir eru a\u00f0 nokkru vegna athafna manna og til \u00feess er helst a\u00f0 horfa um \u00farb\u00e6tur. Hilmar taldi a\u00f0 \u00e1stand \u00deingvallavatns v\u00e6ri enn nokku\u00f0 gott n\u00fa, en\u2026: \u201eEf heldur fram sem horfir er hins vegar h\u00e6tt vi\u00f0 a\u00f0 margr\u00f3ma\u00f0ur bl\u00e1mi og t\u00e6rleiki \u00deingvallavatns muni r\u00fdrna me\u00f0 tilheyrandi skakkaf\u00f6llum fyrir l\u00edfr\u00edki\u00f0,\u201c sag\u00f0i hann or\u00f0r\u00e9tt \u00ed inngangi erindis s\u00edns.<\/p>\n

Tali\u00f0 er a\u00f0 um 90m3 vatns berist \u00ed \u00deingvallavatn me\u00f0 grunnvatnsstraumum \u00e1 sek\u00fandu hverri. \u00dear af komi 30m3 me\u00f0 Almannagj\u00e1rstraumi, 20m3 me\u00f0 Hrafnagj\u00e1rstraumi, 25m3 me\u00f0 Mi\u00f0fellsstraumi og 15m3 a\u00f0 sunnan og vestan. \u00deetta mun vera um 90% vatns sem til \u00deingvallavatns rennur. \u00c1 yfirbor\u00f0i falla \u00ferj\u00e1r \u00e1r til vatnsins; \u00d6xar\u00e1 \u00far nor\u00f0ri og \u00d6lfusvatns\u00e1 og Villingavatns\u00e1 \u00ed \u00d6lfusvatnsv\u00edkina sy\u00f0st. (Sj\u00e1 me\u00f0fylgjandi myndir).<\/p>\n

Aukning niturs\/NO3 hefur veri\u00f0 mikil \u00e1 undanf\u00f6rnum \u00e1rum. \u00dea\u00f0 eykur \u00fe\u00f6rungav\u00f6xt \u00ed \u00deingvallavatni sem er helsta \u00f3gnunin vi\u00f0 n\u00faverandi \u00e1stand \u00feess. \u00ddmsar mannlegar ger\u00f0ir hafa \u00e1hrif \u00e1 niturmagni\u00f0 og \u00fear ver\u00f0ur a\u00f0 standa vaktina ef vi\u00f0 viljum skila bl\u00e1t\u00e6ru \u00deingvallavatni til n\u00e6stu kynsl\u00f3\u00f0a. Sumarb\u00fasta\u00f0ir, umfer\u00f0 bifrei\u00f0a o.fl. kemur \u00fear til s\u00f6gu og um sumarb\u00fasta\u00f0i er fjalla\u00f0 um \u00ed annarri grein.<\/p>\n

Eftir Bj\u00f6rn P\u00e1lsson<\/em><\/p>\n

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\"<\/a><\/dt>\n
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Til\u00a0vinstri m\u00e1 sj\u00e1 vatnasvi\u00f0 \u00deingvallavatns og grunnvatnsstraumana \u00ferj\u00e1 sem falla til vatnsins \u00far nor\u00f0ri. Myndin til\u00a0h\u00e6gri s\u00fdnir sy\u00f0sta hluta vatnasvi\u00f0sins merkt me\u00f0 bl\u00e1rri l\u00ednu.<\/strong><\/h6>\n<\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

\u00deINGVALLAVATN: Einstakt vistkerfi undir \u00e1lagi, var heiti erindis sem Hilmar J. Malmquist flutti \u00e1 \u00deingvallam\u00e1lstefnu NSVE og NVSS vori\u00f0 2013. \u00dear l\u00fdsti hann s\u00e9rst\u00f6\u00f0u \u00deingvallavatns og \u00e1standi me\u00f0 tilliti til vatnsg\u00e6\u00f0a og nefndi \u00e1lags\u00fe\u00e6tti vegna efnamengunar og loftslagshl\u00fdnunar sem g\u00e6tu … Continued<\/a><\/p>\n","protected":false},"author":2,"featured_media":254,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thingvellir"],"_links":{"self":[{"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/posts\/253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/nsve.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=253"}],"version-history":[{"count":6,"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/posts\/253\/revisions"}],"predecessor-version":[{"id":260,"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/posts\/253\/revisions\/260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nsve.is\/index.php?rest_route=\/wp\/v2\/media\/254"}],"wp:attachment":[{"href":"https:\/\/nsve.is\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nsve.is\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nsve.is\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}