Port Susan Bay Geomorphology

In cooperation with Western Washington University and the Nature Conservancy, a study was undertaken to determine the relationship between channel geomorphology and marsh development at Port Susan Bay, Washington. Under the guidance of Roger Fuller, aerial imagery of the delta of the Stillaguamish river was analyzed in 1947 and 2013 to determine how the channels and marsh habitat had evolved. Please view the slides to see more detailed specifics of the project or download the report or power point presentation.

Port Susan Bay: Channel Geomorphology and Marsh Habitat from 1947 to 2013

Port Susan Bay: A Change Analysis from 1947-2013

Port Susan Bay: A Change Analysis A study in the relationship of channel geomorphology and marsh development from 1947 to 2013 at the mouth of the Stillaguamish River.	Port Susan Bay Study Area The extent of the study area and its relative location in Washington State. The area in red was the extent of the estuary in which the images from 1947 and 2013 over lapped	Stillaguamish Channel Geomorphology The channels in the delta, the six major thalwegs in their respective 1947 and 2013 locations, and sample points every 200 meters. The six thalwegs had the migration and change in sinuosity calculated. The results can be seen in the graphs within the map.
Coverage and Change Detection Each of the images have been classified by their cover type and the change has been visualized by what the cover once was and what it has become. In addition, the percent change of cover type has been calculated by channel zone.

McArdle_Stillaguamish_Change_Analysis.pdf

PSB_47_13_Presentation.pptx

Port Susan Bay: Channel Geomorphology and Marsh Habitat from 1947 to 2013

Port Susan Bay: A Change Analysis from 1947-2013

Port Susan Bay: A Change Analysis

A study in the relationship of channel geomorphology and marsh development from 1947 to 2013 at the mouth of the Stillaguamish River.

Port Susan Bay Study Area

The extent of the study area and its relative location in Washington State. The area in red was the extent of the estuary in which the images from 1947 and 2013 over lapped

Stillaguamish Channel Geomorphology

The channels in the delta, the six major thalwegs in their respective 1947 and 2013 locations, and sample points every 200 meters. The six thalwegs had the migration and change in sinuosity calculated. The results can be seen in the graphs within the map.

Coverage and Change Detection

Each of the images have been classified by their cover type and the change has been visualized by what the cover once was and what it has become. In addition, the percent change of cover type has been calculated by channel zone.