green infrastructure techniques runoff reduction by area conservation of natural areas conservation...

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Green Infrastructure Techniques Green Infrastructure Techniques Runoff Reduction by Area Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip Vegetated buffer, filter strip and riparian reforestation and riparian reforestation Vegetated open channel Vegetated open channel Tree planting / tree box Tree planting / tree box Rooftop flow disconnection Rooftop flow disconnection Stream daylighting Stream daylighting

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Page 1: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Green Infrastructure TechniquesGreen Infrastructure TechniquesRunoff Reduction by AreaRunoff Reduction by Area

Conservation of natural areasConservation of natural areas Vegetated buffer, filter strip and Vegetated buffer, filter strip and

riparian reforestationriparian reforestation Vegetated open channelVegetated open channel Tree planting / tree boxTree planting / tree box Rooftop flow disconnectionRooftop flow disconnection Stream daylightingStream daylighting

Page 2: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Conservation of Natural Conservation of Natural AreasAreas

Delineate on plans / in Delineate on plans / in the field the field Place in permanent Place in permanent conservation Easement:conservation Easement:

Stream/wetland Stream/wetland buffersbuffersUndisturbed Undisturbed vegetated or wooded vegetated or wooded areaarea

Size by deduction of Size by deduction of area area from WQv calculationfrom WQv calculation

Page 3: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Vegetated Buffer/Filter StripsVegetated Buffer/Filter Strips

Forested Forested areasareas

Stream Stream buffersbuffers

VegetatVegetated filter ed filter stripsstrips

Treat & control runoff Treat & control runoff with:with:

Page 4: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Preservation of BuffersPreservation of Buffers

Page 5: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Culinary Culinary InstituteInstitute::

Where is Where is the the Parking Parking Garage?Garage?

RemembRemember WQv er WQv formula formula with with ImpervioImpervious us surface surface factorfactor

Rooftop Runoff Rooftop Runoff DisconnectionDisconnection

Page 6: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Open Vegetated Open Vegetated ChannelsChannels

Natural Natural drainage drainage pathspaths

Properly Properly designed & designed & constructed constructed channelschannels

On certain On certain sites use in sites use in street right-street right-of-way of-way

Convey & Convey & treat runoff treat runoff with:with:

Page 7: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Stream Daylighting for Stream Daylighting for RedevelopmentRedevelopment

Increases Increases aesthetics aesthetics Improves water Improves water qualityqualityPrevents flooding Prevents flooding – increased – increased storage storage Improves in-Improves in-stream habitatstream habitat Increases public Increases public useuseIncreases Increases property valuesproperty valuesSunlightSunlight

Page 8: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Plant trees:•In stormwater management practices (where appropriate)•In landscape plans•Revegetate buffer areas . . .

Tree Planting

Page 9: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Hydrology - storage /evaporation /recharge/detention

De-compaction

Storing Cycling Nutrients (bacteria / fungi) phosphorous / nitrogen / carbon

Plant Productivity (vigor)

Water Quality –infiltrate, filter, immobilize & detoxify organic and inorganic materials

The Integral Component of The Integral Component of Retention: Retention: Soil RestorationSoil Restoration

Page 10: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

A

A

A

Ecosystem function and service: Water retention and Storage

Page 11: Green Infrastructure Techniques Runoff Reduction by Area Conservation of natural areas Conservation of natural areas Vegetated buffer, filter strip and

Questions?Questions?

Shohreh Karimipour, [email protected]

(518) 402-8102

Angus Eaton, [email protected]

(518) 402-8123

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