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Thermal Light Painting of the Gowanus Canal Can we find out if water temperature differences of industrial inflows and old streams can be mapped ?


Manhattan

Manhattan

Historic Landfilled Tidal Marsh

nal a C us

an

Gow

The Canal

Gowanus Watershed

Gowanus Canal Superfund Site


Canal Gets a Million Gallons of Sewage A DAY


WHAT CAN WE DO ABOUT IT ?


WHY MAP BURIED STREAMS?

STREAMS WE ARE MAPPING

URBAN WATER CYCLE

IT RAINS

NOT FOUND WATER GOES INTO PIPE

ECOLOGICAL WATER CYCLE

FOUND WITH KITE & BALLOON MAPPING

SOME WATER GOES INTO PIPE

WHAT WE WANT:

INFILTRATION & STREAM RESTORATION

WHAT ARE BEST SITES ?


The Gowanus Canal Conservancy

Map: Susannah Drake, dlandstudio, 2010

BERGEN STREAM RESTORATION

SECOND STREET SPONGE PARK

BROUWERS BROOK RESTORATION

DENTONS SPRING RESTORATION SECOND AVE BIOSWALE

WANTS TO REDUCE SEWER OVERFLOWS AS PART OF ECOLOGICAL RESTORATION PLAN

USING BALLOON CAMERAS TO MAP PLANTS & HISTORIC STREAMS


Brouwers Brook Balloon Aerial July 2011

Mapping the historic streams of the Gowanus Canal Are there clues in the water’s color ? YES – DARKER MEANS FRESH WATER, MILKY = SEWAGE


BURIED STREAM RUNS OVER TOXIC PLUME OF OIL LEFT BY OLD GAS PLANT www.grassrootsmapping.org


1766 stream


Heron photo: 2007 Bob Gusskind

Photo:Robert Gusskind 2007


Setting up the trial and error process of scientific inquiry for local issues


IS BERGEN STREAM MAYBE HIDDEN BEHIND A HOLLOW PART OF THE CANAL’S EDGE ?

BEING WARMED BY SOIL, WOULD THE OUTFLOW BE WARMER THAN THE OPEN WATER ?


KITCHEN TABLE SCIENCE: Parts needed for Thermal Light Painting of the Gowanus Canal


Simulation of Time Lapse “Glow Doodle” Photography we want to take Photo: www.dentontaylor.com


NEXT STEP : WEB CAM

Exploring New York City Sewer History ‌ with radio controlled Ninja Turtles


www.publiclaboratory.org www.gowanuscanalconservancy.org www.gowanusdredgers.org


Gowanus Canal DRAFT Research Notes on Thermal Mapping for finding old streams