Operational shoreline mapping with high spatial resolution radar and geographic processing
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Abstract
A comprehensive mapping technology was developed utilizing standard image processing and available GIS procedures to automate shoreline identification and mapping from 2 m synthetic aperture radar (SAR) HH amplitude data. The development used four NASA Uninhabited Aerial Vehicle SAR (UAVSAR) data collections between summer 2009 and 2012 and a fall 2012 collection of wetlands dominantly fronted by vegetated shorelines along the Mississippi River Delta that are beset by severe storms, toxic releases, and relative sea-level rise. In comparison to shorelines interpreted from 0.3 m and 1 m orthophotography, the automated GIS 10 m alongshore sampling found SAR shoreline mapping accuracy to be ±2 m, well within the lower range of reported shoreline mapping accuracies. The high comparability was obtained even though water levels differed between the SAR and photography image pairs and included all shorelines regardless of complexity. The SAR mapping technology is highly repeatable and extendable to other SAR instruments with similar operational functionality.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Operational shoreline mapping with high spatial resolution radar and geographic processing |
| Series title | Photogrammetric Engineering and Remote Sensing |
| DOI | 10.14358/PERS.83.3.237 |
| Volume | 83 |
| Issue | 3 |
| Year Published | 2017 |
| Language | English |
| Publisher | American Society for Photogrammetry and Remote Sensing |
| Contributing office(s) | Wetland and Aquatic Research Center |
| Description | 10 p. |
| First page | 237 |
| Last page | 246 |
| Google Analytic Metrics | Metrics page |