Measuring Urban Growth in New Jersey

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Measuring Urban Growth inNew Jersey

• John Hasse, Ph.D.
• Rowan University
• Richard G. Lathrop, Ph.D.
• Center for Remote Sensing and Spatial Analysis
• Rutgers University

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Analyzing Landscape Change with Satellite Remote
Sensing andGeographic Information Systems
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Essex Union
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Recent Landscape Changes in New Jersey
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Forest Loss (11 FF/day)
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Wetlands Impact (7 FF/day)
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Farmland Loss (26 FF/day)
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Mullica Hill NJ 1986 to 1995 growth
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Rural Exurban Sprawl
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Types of Urban Growth in Acres
Residential, Rural, Single Unit
45,448 ac
Other Urban or Built-Up Land
22,696 ac
Residential, Single Unit, (Low Density)
21,434 ac
Residential, Single Unit, (Medium Density)
20,194 ac
Residential, High Density, (Multiple Dwelling)
11,099 ac
Commercial / Services
9,137 ac
Recreational Land
6,146 ac
Industrial
5,352 ac
4,977 ac
Transportation / Communication
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Hunterdon County, ex urban sprawl Rural ,
Single Unit Residential
1140 Single Unit Rural Res 58 units built, 88
land consumption
All other residential 41 units built, 12 land
consumption
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Inner City Decay
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Smart GrowthVersusSprawl
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Ecological Footprint of a Housing Unit
Sprawl patterns of development impart a far
greater impact to a landscape per housing unit
than Smart Growth patterns of development.
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Impervious Surface (11 ff/day)
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Hydrological Function of a Watershed
DEGRADED
IMPACTED
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New Jersey Watershed Conditions and Impervious
Surface
IMPERVIOUS INCREASE
TOTAL IMPERVIOUS COVER
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Urban Growth and the State Plan
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Urban Growth and the Pine Barrens
Slide Under Construction
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Remaining Available Lands
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Findings Conclusions

• Rapid landscape change in NJ
• NJ 1st to build out
• Sprawl more impacting than Smart Growth
• Impervious Surface a key indicator
• Pinelands demonstrated effective growth control
• Land Management Policies will be designing NJs
  Final Landscape

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Acknowledgements

• Dr. Richard G. Lathrop, Rutgers University
• Dr. Marjorie Kaplan, NJDEP
• Larry Thornton, and the entire GIS team at NJDEP