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The EPA storm water management model (SWMM) is a dynamic rainfall-runoff-routing simulation model used for single event or long-term (continuous) simulation of runoff quantity and quality from primarily urban areas. The runoff component of SWMM operates on a collection of subcatchment areas that receive precipitation and generate runoff and ...
Greywater. Left: greywater sample from an office building. Right: Same greywater after treatment in membrane bioreactor. Greywater (or grey water, sullage, also spelled gray water in the United States) refers to domestic wastewater generated in households or office buildings from streams without fecal contamination, i.e., all streams except for ...
Save money and promote sustainability by putting gray water to use for you. You're using (and paying for) an average of 300 gallons of water every day. Save money and promote sustainability by ...
Green infrastructure. Runoff from the vicinity flows into an adjacent bioswale. Green infrastructure or blue-green infrastructure refers to a network that provides the “ingredients” for solving urban and climatic challenges by building with nature. [ 1] The main components of this approach include stormwater management, climate adaptation ...
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The computed tomography dose index (CTDI) is a commonly used radiation exposure index in X-ray computed tomography (CT), first defined in 1981. [1] [2] The unit of CTDI is the gray (Gy) and it can be used in conjunction with patient size to estimate the absorbed dose. The CTDI and absorbed dose may differ by more than a factor of two for small ...
The first sustainable drainage system to utilize a full management train including source control in the UK was the Oxford services motorway station designed by SuDS specialists Robert Bray Associates [12] Originally the term SUDS described the UK approach to sustainable urban drainage systems. These developments may not necessarily be in ...
Today, it unveiled its plan to be “water positive” by 2030, too. By that, Microsoft means it will replenish more water than it consumes. To replenish water sources, the plan includes actions ...