List of Contributions

This may be an example of LID with no benefit, or maybe the only benefit being LEED points or the parkland equivalent. Notice the large gravel beneath the walkway pavement - there is no benefit of porous asphalt on this narrow section when there is plenty of infiltration surface available beneath the ...

Washington, DC area had very heavy rains and flash flooding recently. The photo is of a nature trail in Accotink Bay Wildlife Refuge, where apparently water flowing across the trail floated the porous asphalt pavement. The sections of displaced asphalt are still in good condition, flexible and with a ...

Dilip, I see you are in Canada and are using the word redundancy in the British sense.​ To a Brit it means "no longer useful" as in "the employees were made redundant when the factory closed." To an American, it means more than needed, as in "having two levees would be redundant." I would suspect ...

We have seen record rainfalls associated with coastal storms​, which are also associated with surge events and can easily occur simultaneously with astronomical high tides. While there may not be a direct casual relationship, they certainly are not independent. A modest increase in sea level, or ...