3-NIRVANA-user-guide/3.1-Code-basics.md

@@ -464,7 +464,6 @@ The criterion is applied to primary (or related) physical variables
 
 -   Field-length-based (potentially relevant for simulations involving a
     heatloss source but rarely used in practice):
-![amr_Field](uploads/89e2c04627cd657ccf5577610138fdc9/amr_Field.png)
 ![amr_Field](uploads/e8315277b9e4719780e1c7422af3f13f/amr_Field.png)
     where the first factor is the Field length with *L*(𝜚, *T*) the
     density- and temperature-dependent heatloss function and *κ* the