[Talk-ca] [Imports] Ottawa, Canada Tree Import

Martin Koppenhoefer dieterdreist at gmail.com
Thu Jun 29 12:22:20 UTC 2017

sent from a phone

> On 29. Jun 2017, at 13:07, James <james2432 at gmail.com> wrote:
> This is probably why dbh is used as the diameter only changes a tiny fraction of the circumferance per year, so the data is less stale and you dont have to audit them every year

there's really no difference, its exactly the same kind of data change (in %), as there's a linear relationship. The "tiny" fraction is 1/3.14....
As the circumference are higher numbers (3 times), we would get more precision when keeping whole number values ;-)


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