GIS, Spatial Analysis and Remote Sensing

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

Query of Satellite Image Database Landsat Image

Invasive species How to monitor 8500 acres

Ponding vigorous spartina Vigorous phragmites Airplane hyperspectral False Color Composit Bands 3, 15, 28 Channels

Map of Duration of Flooding in Oritani Marsh darker blue means flooded more hours per day … likely correlated with benthic diversity

Model of the salinity gradient in the Hackensack River. Mean of more than 300 measurements between (surface derived from Kriging) Intensity of red color indicates salinity concentration. Salinity decreases from the mouth of the river inland

Wire frame diagram of Hackensack River salinity data

12-18 inches 6-12 inches 0-6 inches Example of visualization of sediment chemistry variation with depth Green = low concentration ; Red = high concentration

Web-based GIS Interactive Maps

How GIS Works A GIS stores information about the world as a collection of thematic layers that can be linked together by geography

Overlay parcel map

Digital Elevation Model with 1 m resolution aerial photo Mill Creek Site

Asthma study Newark NJ

1997 data K=15 Clusters tend to align with neighborhood boundaries H UMDNJ Hospital H

Intersection of census tract information and asthma cases

Less than half on PAV Half on PA More than half on PA Cluster Centers 1997 Cases in terms of Public Assistance

Low pop. density Medium pop. density High pop. density Cluster Centers 1998 cases in terms of population density

Urban Landscape Texture High density housing Low density housing South Orange Ave.

Sick Streets 1997 Yellow 1998 Green H UMDNJ Hospital S. Orange Ave. H Fairmount Cemetery S. 11 th St.

Diesel fume sources Asthma case

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

Newark Urban Heat Islands 1998 asthma cases correlated against urban heat islands

Newark Urban Heat Islands