Sentences with phrase «critical load levels»
The deposition is also well in excess of all defined threshold limits and critical load levels, said Peter Vitousek, ecologist at Stanford University and co-author of the study.
https://www.scientificamerican.com/ Not exact matches
This was to be done by calculating the «critical load» of acid that each ecosystem could absorb without suffering damage and then aiming to reduce by 50 per cent the gap between that and the levels of acid fallout in 1980, the base year for the calculations.
Loads of resources to support GCSE and A level students in improving the quality of portfolio and sketchbook work, and to provoke discussion and critical thinking about Art and Design.
Figure: Areas where critical loads for acidification are exceeded by acid depositions (top) and areas where critical loads for eutrophication are exceeded (bottom) at 2005 (left) and 2015 (right) emission levels.
Location: Cameron Close, Freshwater, Isle of Wight Completion date: August 2015 Budget: Total scheme costs circa # 4.9 m Passive house certification: Part certified with remainder pending Space heating demand (PHPP): 14.4 kWh / m2 / yr Heat load (PHPP): 9 W / m2 Primary energy demand (PHPP): 98 kWh / m2 / yr Environmental assessment method: Code for Sustainable Homes level 3 Airtightness (at 50 Pascals): 0.48 ACH Energy performance certificate (EPC): B 84 - 88 Thermal bridging: Details developed to minimise thermal bridging, concentrating on critical junctions and window installations.