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Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN>Heildarúttekt á jarðvegsrofi á öllu Íslandi, unnin á árunum 1992-1997. Unnið með vettvangsúttekt þar sem LANDSAT gervitunglamyndir í mælikvarða 1:100.000 voru notaðar sem grunnur við kortlagninguna. Í rofkortlagningunni er annars vegar metið um hvers konar rof er að ræða (rofflokkar) og hins vegar hversu mikið það er (rofkvarði). Rofkvarðinn er frá 0 og upp í 5 þar sem 0 þýðir ekkert rof en 5 stendur fyrir mjög mikið rof. Rofflokkunum má skipta í tvo hluta, annars vegar þeir sem tengjast gróðurlendum þ.e.; áfoksgeirar (A), rofabörð (B), dílarof (D), jarðsil (J), skriður (K) og vatnsrof (V), og hins vegar rofflokkar á auðnum sem eru; melar (M), sandar (S), sandmelar (SM), sandhraun (SH), hraun (H), moldir (O) og grjótskriður (C). </SPAN></P><P><SPAN>Nánari upplýsingar um einstakar rofgerðir má finna í bókinni </SPAN><SPAN STYLE="font-style:italic;"><SPAN>Jarðvegsrof á Íslandi</SPAN></SPAN><SPAN><SPAN>. </SPAN></SPAN><SPAN>(Ólafur Arnalds, Elín Fjóla Þórarinsdóttir, Sigmar Metúsalemsson, Ásgeir Jónsson, Einar Grétarsson &amp; Arnór Árnason, 1997. Landgræðsla ríkisins og Rannsóknastofnun Landbúnaðarins).</SPAN><SPAN>Sjá </SPAN><A href="http://land.is/wp-content/uploads/2015/11/Jardvegsrof_islenska.pdf"><SPAN>http://land.is/wp-content/uploads/2015/11/Jardvegsrof_islenska.pdf</SPAN></A><SPAN>In English </SPAN><A href="http://land.is/wp-content/uploads/2015/11/Jardvegsrof_enska_Soil_Erosion.pdf"><SPAN>http://land.is/wp-content/uploads/2015/11/Jardvegsrof_enska_Soil_Erosion.pdf</SPAN></A></P><P><SPAN>Skráð skv. fitjuskrá </SPAN><SPAN STYLE="font-style:italic;">Jarðvegsrof_1utg_04122018</SPAN><SPAN>.</SPAN></P><P><SPAN /></P><P /></DIV></DIV></DIV>

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Copyright Text: Landgræðsla ríkisins og Landbúnaðarháskóli Íslands

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