Interesting attempt to formalize some Mk 1 eyeball and sniff testing. Might be a useful exercise in classroom settings.
From John Morton for ITRS: Tree Anchor "Ratings" Based on Wind Loading | Rigging Lab Academy
What if trees had ratings? What an amazing concept. John Morton, an engineer-scientist-visionary-technician, has been doing canopy studies for years and knows how they are affected by wind. Trees, whether alone or in community, are all influenced by wind and all have a certain “wind rating” to...