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Around the Watershed

Bankfull in the Ashokan Watershed

On Sun­day, Octo­ber 29 after a steady and some­times heavy rain­fall, many streams in the water­shed filled their banks and were just about to spill onto their flood­plain. Stream man­agers call this flow the “bank­full dis­charge”. Let’s break that down! “Bank­full” is actu­ally an expres­sion of the channel’s shape, specif­i­cally its width and depth when […]

Floodproof Now to Protect Your Structure

The best way to pre­vent dam­age to struc­tures in a flood­plain is to not have them in the flood­plain at all. How­ever, that is not always pos­si­ble. To pro­tect struc­tures from flood­ing and obtain a reduc­tion in flood insur­ance pre­mi­ums, options are to ele­vate (for res­i­den­tial struc­tures) or flood­proof (for non-residential struc­tures). If you are inter­ested in elevating […]

Smart Rocks Deployed!

The Ashokan Water­shed Stream Man­age­ment Pro­gram and the NYC Depart­ment of Envi­ron­men­tal Pro­tec­tion are work­ing with the U.S. Geo­log­i­cal Sur­vey to study the rate at which larger rocks and cob­ble move down stream chan­nels. Fine sus­pended sed­i­ments travel with stream flows and pose the great­est threat to water qual­ity in the upper Eso­pus Creek. But larger mate­r­ial rest­ing on the chan­nel bed […]

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