Abstract/Details

Using LiDAR data and geographical information system (GIS) technology to assess municipal street tree inventories


2011 2011

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Abstract (summary)

Market and nonmarket urban forest resource values can be achieved through many cost reductions (e.g., improved air quality, fossil fuels for heating and cooling, stormwater runoff) and increases in tax bases for communities from improved property values. These benefits need to be measured quantitatively so decision makers can understand economic gains or losses provided by street trees. Resource inventories are often undertaken as part of the planning phase in a tree management program. It is a comprehensive assessment that requires an inventory of a community's tree resources and it acts as a fundamental starting point for most urban and community forestry programs. Whether an inventory is an estimate or a complete count, quantitative benefits and costs for urban forestry programs cannot accurately be represented without one.

This study provides a new approach to understanding a city's street tree structure using data from a Light Detection And Ranging (LiDAR) sensor and other publicly available data (e.g., roads, city boundaries, aerial imagery). This was accomplished through feature (e.g., trees, buildings) extraction from LiDAR data to identify individual trees. Feature extraction procedures were used with basic geographic information system (GIS) techniques and LiDAR Analyst to create street tree inventory maps to be used in determining a community's benefit/cost ratio (BCR) for its urban forest.

Only by explaining an urban forest's structure can dollar values be assigned to street trees. Research was performed with LiDAR data and a sample of ground control trees in Pass Christian, and Hattiesburg, Mississippi, located in the lower U.S. South where many communities have publicly available geospatial data warehouses (e.g., MARIS in Mississippi, ATLAS in Louisiana). Results from each city's estimated street trees revealed a BCR 3.23:1 and 6.91:1 for Pass Christian and Hattiesburg, respectively.

This study validated a regression model for predicting street tree occurrence in cities using LiDAR Analyst and a street sample. Results demonstrated that using LiDAR Analyst as a street tree inventory tool with publicly available LiDAR data and a sample adequately described 88% of a community's street trees which was used to calculate both market and nonmarket resource values.

Indexing (details)


Subject
Urban Forestry;
Geology;
Urban planning
Classification
0281: Urban Forestry
0372: Geology
0999: Urban planning
Identifier / keyword
Social sciences; Earth sciences; Biological sciences; Forestry; Gis; Lidar data; Street tree inventories; Urban
Title
Using LiDAR data and geographical information system (GIS) technology to assess municipal street tree inventories
Author
Jones, John Wesley, Jr.
Number of pages
135
Publication year
2011
Degree date
2011
School code
0132
Source
DAI-B 72/11, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9781124800363
Advisor
Grado, Stephen C.
Committee member
Fan, Zhaofei; Grebner, Donald L.; Parker, Robert C.; Schultz, Emily B.
University/institution
Mississippi State University
Department
Forestry
University location
United States -- Mississippi
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
3466566
ProQuest document ID
885232476
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/885232476
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