Calibration of the SLEUTH Urban Growth Model for Taiwan
Date Issued
2012
Date
2012
Author(s)
Chin Tien, Chih
Abstract
SLEUTH is a cellular automata land use model which has been applied to various cities widely around the world including America, Europe, Asia and also, Taiwan. There are five coefficients in the model to control the growth rules, DIFFUSSION coefficient, BREED coefficient, SPREAD coefficient, SLOPE coefficient, and ROAD GRAVITY coefficient. Combining individual coefficients together, each describing different portion of urban growth, can decide different dynamic of urban growth. Most of the past research of Taiwan focused on the application of combining SLEUTH result with further model simulation. This research addressed on the calibration of SLEUTH to Taipei and Kaohsiung metropolitan. Sufficient land use data is input in the calibration. Optimal SLEUTH metric (OSM) is used to evaluate the calibration result; also the basic visual comparison was used to certify weather the coefficient set obtained from the calibration is reasonable. Through the modification of coefficient set, the urban expansion process was better constructed in the model which is the foundation for land-use prediction and further metrology model simulation.
Subjects
urban growth model
calibration
Taipei
Kaohsiung
SDGs
Type
thesis
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