Photo of the week: spectacular thermal convection dormancy
October 27, 2023
The dormancy patterns that can occur with the first frosts in warm-season turf are caused by thermal convection patterns. Jacob Thompson shared this photo of bermudagrass maintained at 2.5 inches and allowed to grow up going into winter.
For the technical details of why this happens, see:
- A porous convection model for grass patterns by Sally Thompson and Karen Daniels - Ground level air convection produces frost damage patterns in turfgrass by Ackerson et al.
The key to this…