Geoscience Reference
In-Depth Information
16
CHAPTER
Assessing Uncertainty in Spatial Landscape Metrics
Derived from Remote Sensing Data
Daniel G. Brown, Elisabeth A. Addink, Jiunn-Der Duh, and Mark A. Bowersox
CONTENTS
16.1 Introduction...........................................................................................................................222
16.2 Background...........................................................................................................................223
16.3 Methods ................................................................................................................................224
16.3.1 Precision of Landscape Change Metrics..................................................................224
16.3.2 Comparing Class Definitions ...................................................................................224
16.3.2.1 Landsat Classifications..............................................................................224
16.3.2.2 Aerial Photography Interpretations...........................................................224
16.3.3 Landscape Simulations .............................................................................................225
16.3.3.1 Ecotone Abruptness...................................................................................225
16.3.3.2 Fragmentation............................................................................................225
16.4 Results...................................................................................................................................226
16.4.1 Precision of Landscape Metrics ...............................................................................226
16.4.2 Comparing Class Definitions ...................................................................................227
16.4.2.1 Comparing TM Classifications .................................................................227
16.4.2.2 Comparing Photographic Classifications..................................................228
16.4.3 Landscape Simulations .............................................................................................229
16.4.3.1 Ecotone Abruptness...................................................................................229
16.4.3.2 Forest Fragmentation ................................................................................229
16.5 Discussion.............................................................................................................................230
16.6 Conclusions...........................................................................................................................230
16.7 Summary...............................................................................................................................231
Acknowledgments ..........................................................................................................................232
References ......................................................................................................................................232
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