ABSTRACT

Introduction .................................................................................................................................... 370 Datasets and Preprocessing ............................................................................................................ 372

Radar Data ................................................................................................................................. 372 Preprocessing........................................................................................................................ 372 Coregistration of Data .......................................................................................................... 374

Ancillary Data ........................................................................................................................... 374 Training Data ............................................................................................................................. 375

Classication .................................................................................................................................. 378 Random Forests ......................................................................................................................... 378 Accuracy Assessment ................................................................................................................ 381 Implementation ......................................................................................................................... 381 Separation of Wetland Classes .................................................................................................. 383

Wetland Maps ................................................................................................................................ 386 1990s’ JERS-1-Derived Map .................................................................................................... 386 2000s’ ALOS PALSAR-Derived Map ...................................................................................... 386 Accuracy Assessment ................................................................................................................ 386 Wetland Dynamics ....................................................................................................................390

Discussion ......................................................................................................................................390 Improvements to Implementation .............................................................................................390 Wetland Dynamics .................................................................................................................... 393 Future Work ............................................................................................................................... 393

Conclusion ..................................................................................................................................... 394 Acknowledgments .......................................................................................................................... 394 References ...................................................................................................................................... 394