1.Grassroots Mapping Creating cheap open source aerial imagery and data for Community efforts to cleanup a polluted neighborhood in Brooklyn, NY, USABringing memories and fun back to civic data Public Laboratory for Open Technology & Science Kite Photographed Grassroots Crop Marks of Roman Buildings,Grosseto, Tuscany, Italy, Flickr, Paolo Opaxir, May 2008

2. Canal Manhattan Gowanus Watershed The Canal Historic Landfilled Tidal Marsh A Community Campaign inneed of Grassroots Data to help withdecisions and new ideas Manhattan Gowanus Canal Superfund Pollution Cleanup Site Aerial: NYCDEP 1990,Sewage: Tom Giebel 2010 Sludgie Superfund mascot: Anna Martin 2009 3. We live in an age of amazing technological access but Sometimes we want to know more .. So who do you call ..? Peru USA Aerial Photos courtesy of Google Maps and Bing Aerials circa 2009 (?) 4. Unless stated otherwise, all photo credits are Grassrootsmapping.org, 2011 5. Public Laboratory for Open Technology and Science Exploring ways to make technology and science more accessible for local Community ideas Creating a VISUAL record of Community activities HELPING ANSWER THE QUESTION:HOW DO WE DO IT ? 6. WWW.PUBLICLABORATORY.ORG 7. FOR THE GULF OIL SPILL HELPING ANSWER THE QUESTION:WHAT HAPPENED? 8. 9. FOR THE GULF OIL SPILL KEEPING A PUBLIC RECORD: WHAT WAS THERE BEFORE ? 10. 11. MAKING HOW TO.. TOOLS AVAILABLE ONLINE AND SETTING UP A MUTUAL LEARNING PROCESS 12. 13. 14. CONSTANTLY SEEKING IMPROVEMENTS THROUGH A COLLABORATIVE PROCESS Recycled Plastic Bottle Camera Stabilizer Rig Jen Hudon, 2010 Grassrootsmapping.Orgdiscussion forums 15. Nat Fein, 1947, Central Park 16. Eymund Diegel (Proteus / Gowanus Canal Conservancy / Dredgers) with Canoers from Gowanus Dredgers, about to use balloons to take aerial photos of the Canal waters and edges. Photo credit: 2011 Mike Weiss, Brooklyn Eagle 17. The Gowanus Canal Conservancy Map: Susannah Drake, dlandstudio, 2010 FIRST STREET BASIN RESTORATION BROUWERS BROOK / DEGRAW ST BIO SWALE BERGEN CREEK / BATTLE BRIDGE PUBLIC PLACE PARK SECOND AVE BIOSWALE FOURTH STREET BASIN RESTORATION SECOND STREET SPONGE PARK WHOLE FOODS PARK OIL POLLUTION 18. SECOND AVE STREET END SITE AERIAL SHOWING ILLEGAL MOTOR OIL SPILLS27 March 2011 Grassroots Mapping Kite Aerial 19. Water Sensitive Urban Design How can cheap High resolutionaerials help ? 1766 Historical Watershed Modeling by Lucas Kronawitter, 2011 ArcHydro Watershed Flow Map by Eymund Diegel, 2010 Grass by Albrecht Durer, 1503 Sites for which we we want aerial data : versus ECOLOGICAL WATER CYCLEURBAN WATER CYCLE IT RAINS WATER GOES INTO PIPE CONDENSATION EVAPORATION INFILTRATION IT RAINS SOME WATER GOES INTO PIPE WE ARE LOOKING FOR GOOD INFILTRATION SITES Being able to see the vegetation is important: 20. Whole Food Site 31 July 2011 Balloon Aerial Trees like growing near buried old streams and survive best near edges 21. Capturing the 4 Seasons of the Canals first Green Infrastructure 22 January 2011 27 March 2011 21 July 2011 Winter Spring Summer www.gowanuscanalconservancy.org CREATING A HISTORY 22. www.gowanuscanalconservancy.org ENCOURAGING DATA SHARING & BETTER IDEAS BETWEENCITY, STATE, THE COMMUNITY & LOCAL INDUSTRY 23. The Gowanus DredgersCanoe Club Making the Canal fun while providing information about its water quality to the Community through free boats and education events Come on down ! www.gowanuscanal.org REACHING OUT WHEN IT SUCKS, ADVERTISE IT 24. 25. Proteus Gowanus Historical Maps from the Hall of the Gowanus Community Happenings Education & Outreach Proteus Gowanus acts as an interpreter of culture and place, deepening the communitys sense of context and connection 1639 1782 1836 1837 1844 Bringing Memory Back to Space Bess Adler, Brooklyn Paper, June 2011 www.proteusgowanus.org Interdisciplinary Gallery& Reading Room Scientific Samples& Data as Art Katia Kelly, Pardon Me For Asking, 2011 Superfund Manager Tsiamis 1766 1924 The Star of the Gowanus 26. 27. LANDFILLED DURING 1960S BY TRUCKS COMING AT NIGHT FEDERAL CLEANUP INVESTIGATION FOUND TOXIC LEVELS OF MERCURY WILL NEED EXCAVATION WHAT CAN WE FIND OUT ? Above:1951 Aerial with BoatsBelow:2011 View of Filled Basin Aero Service Aerials, 1951 28. Proteus Hall of the Gowanus Site (old Brouwers Mill) Freekes Mill 1776 Battle of Brooklyn Site Contaminated 1 stStreet Basin that will need excavation Island where 1776 battle Casualties may have been buried FIRST STREET BASIN SITE Map: Bernard Ratzer,1766 Painting: Alonzo Chappel, Battle of Long Island, 1858 29. Potential Spring 1766 stream overlay COULD THIS SPRING STILL BE RUNNING ? 30. 31. 32. Birds and Fish as guides to where the clean water is for restoration opportunitiesHeron photo: 2007 Bob Gusskind 33. Brouwers Brook Restoration (Degraw Street Bioswale) Mapping the historic streams of the Gowanus Canal Are there clues in the waters color ? 34. D.I.Y Infrared Analysis 35. Whole Foods Site Infrared Photo Test Exploring whether nutrient levels in water can be mapped Why was this outflow concealed ? INCONCLUSIVE RESULTS But .. 36. Where did we screw up? What can we do better ? WHAT HAVE BEEN SOME OF OUR CHALLENGES ? 37. 38. Dredgers Wetland Street runoff+local plants 2007 Bob Gusskind Tidal site+ intervention NEED BETTERIMAGE QUALITY 39. 40. 3 rdAve & 3 rdStreetphoto of Whole Foods site contaminated soil excavation pits showing brief reappearance ofhistoric Denton Mills Pond:2007 Bob Gusskind 41. Working with we know where you are technology WHERE TO FROM HERE ? Ligia Cravo, 2011 Dredgers Conservancy Dredgers 42. BLUE=PEOPLE USING PERSONAL MEDIA DEVICESAT FORMERLY ABANDONED CANAL SITES Eric Fisher, 2011 WHAT WILL BE THE NON TRADITIONAL DATA SOURCES OF THE FUTURE ? 43. IDEA: GEOTAGGED POLLUTION MONITORING &PLANT IMAGES THAT AUTOMATICALLY OVERLAY ON GRASSROOTS AERIALS Gina Wirth, 2011 44.