January 24, 2021


Connecting People

City of Ryde looks to tree data to balance business and residential needs – Strategy – Software – Projects

The City of Ryde is making use of device finding out to analyse tree canopy cover throughout its neighborhood federal government location, helping it to system for populace and business park growth.

Speaking at the current Navig8 meeting hosted by ASX-outlined aerial imaging provider Nearmap, Ryde’s head of land information Lindsay Mason mentioned the council required more data on its eco-friendly spaces to enhance arranging, investment and livability.

The neighborhood federal government location, positioned 12km northwest from Sydney’s CBD, is household to Australia’s fourth largest overall economy many thanks in part to the Macquarie Park Innovation District and its 180 multinational businesses, Mason mentioned.

It also has a hundred and twenty,000 citizens – projected to expand by thirty per cent more than the future fifteen yrs – who make use of Ryde’s 207 parks on a every day basis and benefit the mix of purely natural landscape and proximity to perform.

“We’ve just experienced a group and strategic system [prepared], and the group has explained to us what they want. One particular of the ambitions of [council] is to maintain and defend each city and purely natural locations,” Mason mentioned.

“One of the issues we have received at the moment is that council has thorough information about the twenty,000-odd trees that [we] handle in streets and parks, and we have a ten-yr history of Nearmap aerial pictures, but that doesn’t give us a entire photo of the neighborhood federal government location in conditions of tree canopy cover.”

Tree canopy cover is a useful indicator for the distribution of eco-friendly spaces, which can be made use of to reduce city warmth islands as a result of shade and evaporation.

The City required a dependable and conveniently repeatable way to evaluate canopy cover often.

“We experienced a look at a amount of different options to do that,” Mason mentioned.

“Something like LiDAR is unbelievably pricey and will take a prolonged time to do, so we then begun to look at aerial pictures and experienced a dialogue with the Nearmap workforce about what was attainable.”

Doing the job with Nearmap’s AI workforce, Mason and his workforce have been capable to make a canopy cover dataset from aerial imagery that could then be added as a layer to the council’s geographic information system (GIS), which is out there to all members of employees.

“This allows employees from ideal throughout the organisation to utilise and just take into account tree canopy cover as they are accomplishing their day-to-day responsibilities – so matters like arranging foreseeable future infrastructure or evaluating a progress application or even accomplishing strategic arranging or day-to-day administration of parks and purely natural locations now can just take into account tree canopy cover,” Mason mentioned.

The aerial images from which the canopy data is acquired are accurate to 30cm, Mason added, meaning council employees and the general public could be assured in the data excellent.

It can also be current each and every yr (to guarantee the exact sum of seasonal growth between yrs, images are acquired in the top of summer season), or more routinely to identify and evaluate the problems from storms.

“One of the matters we will be capable to do in the foreseeable future, if we have a storm function, is that we’ll be capable to get hold of Nearmap and get this examination operate all over again, and we can incredibly swiftly evaluate the affect the storm could have experienced on the tree canopy cover throughout the neighborhood federal government location, so we can be a lot more agile than we have been capable to do in the past,” Mason mentioned.

“Certainly in NSW not too long ago, we have experienced in the past 12 months a couple of important storms and the bushfires as perfectly, and how that impacts tree canopy cover is absolutely something we are making use of this data to do more examination on.”