However subsequent structural analysis proved the portico to be unsuitable for supporting a green roof.
Nigel dunnett roof garden.
Influence of substrate depth.
He is director of the green roof centre sheffield and acts widely as a consultant on green roof design and planting and sustainable garden and landscape design in general.
He writes regularly for landscape and garden publications including gardens illustrated and the garden.
Nigel dunnett on pinterest.
Dunnett n nagase a hallam a 2008 the dynamics of planted and colonising species on a green roof over six growing seasons 2001 2006.
The initial concept for the scheme also included a green roof for the portico which would have been the starting point for that storm water chain.
The john lewis rain garden.
Photo by nigel dunnett and noël kingsbury green roofs can be installed on sloping roofs although they will be subject to greater moisture stress than on flat or gently sloping roofs.
Nigel dunnett the landscape agency.
Urban ecosystems 11 4 373 384.
The green roofs on this house provide additional wildlife value to complement the meadow plantings at ground level.
Nigel dunnett is professor of planting design and urban horticulture at the university of sheffield.
Above this layer sits a filter fleece that lets water through but which prevents the growing medium from being washed away into the drainage layer.
Sep 1 2014 explore yvonne voermans s board garden designers.
See more ideas about garden garden design garden inspiration.