Transforming Data Streams with Kafka Connect: An Introduction to Single Messa...
Mac Watershed Rain Gardens Rain Barrels
1. Gutters to Gardens Capturing Urban Storm Water Diverting water from your downspout into rainwater catchment systems has several advantages ~Reduces the volume of water flowing to the sewer treatment facility ~Lowers the percentage of roof top rainfall as a component of urban runoff ~Backup source of water during times of drought or between rain showers ~Helps to keep our creeks and beaches clean
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16. Modeling the Value of the Urban Tree Canopy An Ecological Services Assessment April 2009 Project Partners: Grand Rapids Planning Department and JJR, Inc.
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19. Urban Forest Assessment - Results AIR POLLUTION REMOVAL * Dollars are “externality” costs borne by society due to rising health care expenditures and reduced tourism revenue. Air Pollutant Pounds Removed per year** Money Saved from Removal* Carbon Monoxide 17,880 $7,631 Ozone 295,023 $906,375 Nitrogen Dioxide 107,281 $329,591 Particulate Matter: Less then 10 microns 196,682 $403,428 Sulfur Dioxide 44,700 $33,546 Total 661,566 $1,680,570 ** Based on Air Pollution conditions for the City of Milwaukee, Wisconsin
20. Urban Forest Assessment - Results STORMWATER RUNOFF April 2008 2-year, 24-hour Rainfall event: 2.37 inches Curve Number of existing conditions: 78 Curve Number if the trees were replace with buildings: 89 Additional Stormwater storage volume needed if the trees were replaced with buildings: 67,075,658 ft 3 Construction cost per ft 3 * $5.50 Total Stormwater Savings: $368,916,122 Annual costs based on payments over 20 years at 6% interest $32,163,789 per year * Construction costs based on the cost to build just an ADS Storm Tech System to handle the additional stormwater
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