Kartet viser beregnet <a href=\"https://www.vips-landbruk.no/forecasts/models/PSILARTEMP/\" target=\"new\">svermetidspunkt
for gulrotflue 1. generasjon</a>. Varslene beregnes i rutenett a 1x1km med akkumulerte
<span itemprop=\"DD\">døgngrader</span> basert på reanalyserte data og værvarsler fra
<span itemprop=\"DD\">døgngrader</span> basert på reanalyserte data og værprognoser fra
Meteorologisk institutt. Varslene oppdateres en gang per døgn. Visning av varsler startes
1. april og skrus av 1. oktober. Modellen for svermetidspunkt for gulrotflue beregnes også
med data fra værstasjoner, hvor mer detaljerte beregninger kan hentes opp via visningen i kartet på VIPS-forsida.
...
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@@ -59,11 +59,11 @@ WEB
"wms_abstract.en" "
<p>The warning system model «Carrot rust fly temperature» is based on a Finnish temperature-based model (Markkula <em>et al</em>, 1998; Tiilikkala & Ojanen, 1999; Markkula <em>et al</em>, 2000). The model determines the start of the flight period for the 1st and 2nd generation of carrot rust fly based on accumuleted degree-days (day-degrees) over a base temperature of 5,0 °C. VIPS uses the model for the 1st generation only.</p>
<p>Standard air temperature (temperature measured 2 m above ground) is used in the model. <span itemprop=\"DD\">Degree-days</span> are defined for this model as the sum of the difference between a base temperature of 5,0 °C and the mean temperature for all days with a temperature >5,0 °C, in other words (daily mean temperature – 5,0 °C) from 1 March (beginning when the ground has thawed).</p>
<p>< href=\"https://www.vips-landbruk.no/forecasts/models/PSILARTEMP/\" target=\"new\">Complete model description</a></p>
<p><a href=\"https://www.vips-landbruk.no/forecasts/models/PSILARTEMP/\" target=\"new\">Complete model description</a></p>
"
"wms_enable_request" "*"
"wms_title.en" "Carrot rust fly (Psila rosae) temperature model"