ETo =
0.408Δ (Rn - G) + γ
900
T + 273
U2 (es - ea)
Δ + γ (1 + 0.34U2)
Win = Robs * Ω * ϑ ((X × π) / 180 ) * ( 1 + arain * X )
S = 100 * (1 - (WSact / (p * WSmax) ) )
Wro = Win − (WSmax − WSact)
Green Roof Diagnostics was founded to provide scientific and technical leadership within the green roof industry. Our success is when all parties succeed .
Testing is critical to our work. We test products and concepts from anyone. We try to handle this work in a rigorous, data-driven manner for optimal benefit to all parties.
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Green Roof Diagnostic's research facility in Culpeper, VA
Green infrastructure focuses on cost-effective, living, upstream solutions. And there is no-where farther up stream than the roof!
Green infrastructure is so powerful because it harnesses the simple solutions of nature to provide primary and secondary benefits
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Challenge: achieving a pre-development hydrologic regime in the city.
We measure, quantify, and validate the effectiveness of green infrastructure. We think the industry benefits from this de-mystification .
We help design teams with better data so they can utilize green roofs confidently by maximizing detention benefits , with ROI for the developer and the environment.
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Assembling a green roof cassette for testing.
Responding and adapting to our climate requires innovation , and the best ideas may come from anywhere!
We help manufacturers and inventors evaluate their sustainable solutions , through rigorous testing and monitoring.
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Challenge: Beauty, performance, and durability
Green infrastructure is alive! Our work is holistic, including soil biology and water quality .
Humanity is moving to cities. Despite this, we often overlook the biology and chemistry of our urban ecosystems We aim at unlocking some of these mysteries and harness them for good.
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Beneficial fungi in soil
Check out live monitoring of green roof test platforms!
Find our green roof articles and white papers here.
Learn more about our green roof testing laboratory and rain simulator.
Learn how we can work together to create greener cities through living infrastructure.