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GIS, Spatial Analysis and Remote Sensing
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Teachers, Students HMDC Staff, Planners and administrators Rutgers Researchers, Other Scientists Storage Systems and Databases Web Server & GIS Server Ground Monitoring Station Remote Sensors Reports, maps and publications Ecosystem and sediment chemical data Information Flow
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Query of Satellite Image Database Landsat Image
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Invasive species How to monitor 8500 acres
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Ponding vigorous spartina Vigorous phragmites Airplane hyperspectral False Color Composit Bands 3, 15, 28 Channels
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Map of Duration of Flooding in Oritani Marsh darker blue means flooded more hours per day … likely correlated with benthic diversity
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Model of the salinity gradient in the Hackensack River. Mean of more than 300 measurements between 1989- 2002 (surface derived from Kriging) Intensity of red color indicates salinity concentration. Salinity decreases from the mouth of the river inland
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Wire frame diagram of Hackensack River salinity data
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12-18 inches 6-12 inches 0-6 inches Example of visualization of sediment chemistry variation with depth Green = low concentration ; Red = high concentration
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Web-based GIS Interactive Maps
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How GIS Works A GIS stores information about the world as a collection of thematic layers that can be linked together by geography
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Overlay parcel map
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Digital Elevation Model with 1 m resolution aerial photo Mill Creek Site
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Asthma study Newark NJ
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1997 data K=15 Clusters tend to align with neighborhood boundaries H UMDNJ Hospital H
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Intersection of census tract information and asthma cases
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Less than half on PAV Half on PA More than half on PA Cluster Centers 1997 Cases in terms of Public Assistance
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Low pop. density Medium pop. density High pop. density Cluster Centers 1998 cases in terms of population density
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Urban Landscape Texture High density housing Low density housing South Orange Ave.
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Sick Streets 1997 Yellow 1998 Green H UMDNJ Hospital S. Orange Ave. H Fairmount Cemetery S. 11 th St.
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Diesel fume sources Asthma case
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Newark Urban Heat Islands Landsat 5 Thermal Ground level ozone is a photo chemical reaction Greater ozone levels are expected in hotter areas of the city
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Newark Urban Heat Islands 1998 asthma cases correlated against urban heat islands
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Newark Urban Heat Islands
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