Portrait of the Tree Exhibition

Sharon is delighted to have been asked, by Yvonne Alexander, founder of Jet TV, to join a small group of people and discuss their favourite tree. ‘A Portrait of the Tree’, a collection of works by renowned photographer Adrian Houston. The list of tree lovers includes Sir Richard Branson Goldie Hawn and Nick Mason (Official) who have imparted fascinating stories about their favourites, and Sharon chose the Major Oak, subject of the Tree Radar survey by this company which recently appeared as a feature on BBC Springwatch. The exhibition of stunning photography, including the Major Oak, will appear at Unit London’s new Hanover Square site, from the 17th to 28th September, so make sure to get along to the exhibition.  See the ICF promo of it here

SHA Film of the Major Oak here

The SHA Major Oak Film

Following the recent Major Oak Tree Radar survey, the film produced by this company is now available on the site. Much information will be provided about the rooting environment with the analysis now in progress, so keep a watch out for details. #bbcspringwatch @BBCSpringwatch

BBC Springwatch crew ponder over the wide-shot that finished the feature

Hatfield Forest Veteran Oak and Tree Radar

Hatfield Forest Tree Radar

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Another interesting Tree Radar job was undertaken for the National Trust at the beautiful location of Hatfield Forest yesterday, with Sharon and Ian meeting with Adrian Clarke, National Trust General Manager, and Henry Bexley, National Trust countryside manager,  to observe the technology surveying one of the veteran oaks. Another great opportunity to establish actual root protection areas over the capped 15m limit that applies to construction, the sun shone all day long and it actually felt like spring was in the air. Matthew Sapsford was in attendance to learn about the technique and thoroughly enjoyed a day seeing what it was all about.

With thanks and great appreciation going to Adrian and Henry, the results are currently being analysed.

Holland TR radar – What’s more important – size or frequency?

Ground Sucking Machine Meets Tree Radar (the return)….Utrecht, Holland, August 2016.

Ground sucking machine makes the pavement ready for the results of the radar scan
Air spading the pavement

Following fairly swiftly on from the original visit to Eindhoven in February this year, Sharon returned, with Ian Lee, to investigate further the Tree Radar to see if results correlated after removal of soil around three new, target trees.

The return visit came after refining the methodology following the trip in February. The weather was 32 degrees all over Europe, but at least we were outside. The hospitality of our friends at TerraNostra, who own their very own ground sucking machine, was fantastic, with half-time oranges, ice-cold water, and our own mobile toilet hired especially for the occasion!

The Objective:-

  • To test the accuracy of the Tree Radar and provide data on the rooting diameter of roots found.

The Subjects:-

  • One mature Acer saccharinum (sugar maple), two mature mature Pterocaya fraxinifolia (Caucasian wingnut), and one Ulmus x Hollandica (Dutch elm).

The Methodology:-

  • We carefully marked the scanning lines and detailed reference points. we scanned with 400Mhz & 900 Mhz antennae, using different dielectric settings, and revealed what was beneath using the ubiquitous ground sucking machine. and air spade.

Results:-

  • Excellent results in grass for Acer and Ulmus. Good results with Pterocaya, but very surprising dense matt of fibrous surface roots. Careful refining of settings to achieve results for concrete over 100% pure sand. An academic paper is being prepared, written between Sharon, Ian Lee and TerraNostra, and will follow.

 

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Hampstead Heath OAKs – how ‘AOK’ are they?

Hampstead Heath welcomes Ian and Sharon to examine 4 Oaks

On Tuesday the 3rd May, Sharon and Ian arrived at the venerable setting (and postcode) which enables Londoners to wonder at all things green all year round.

David Humphries and the team at Hampstead Heath wanted the Tree Radar unit to examine 4 oaks after a failure of one near a footpath on the Heath, and so Ian and Sharon duly obliged at 9am, and were afforded fantastic hospitality by all of the Hampstead Heath Arb team, for which we were all very grateful.

Hampstead Heath cruiser
‘Ranger-Rover’

At 10am, members of the LTOA arrived for a demonstration of radar, and whilst Sharon described what was going to occur, Ian set the unit up, against a backdrop of the London skyline which currently adorns the LTOA website logo. More to come, including a short film of the day, soon. (One day we may get to examine Sevenoaks, which is where this particular reporter hails from).

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