We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Analysis of non-linear inundation from sea-level rise using LIDAR data: a case study for South Florida.
- Authors
Keqi Zhang
- Abstract
By analyzing a digital elevation model (DEM) derived from airborne light detection and ranging (LIDAR) data and airborne height finder measurements, this study demonstrates that a 1.5 m sea-level rise by 2100 would cause inundation of large areas of Miami-Dade County, southern Broward County, and Everglades National Park. Inundation processes are non-linear: inundation is gradual before reaching a threshold, and speeds up rapidly afterwards due to the regional topography. Accelerated sea-level rise will cause the threshold to be reached sooner by amplifying the non-linear inundation, and must be considered in policy-making. Comparison of inundated areas extracted from 30 m LIDAR and USGS DEMs indicates that the vertical accuracy of a DEM has a great effect on delineation of inundation areas. For a 1.5 m sea-level rise, the inundated area delineated by USGS DEM for Broward County is 1.65 times greater than that indicated by the LIDAR DEM.
- Subjects
MIAMI-Dade County (Fla.); BROWARD County (Fla.); EVERGLADES National Park (Fla.); FLORIDA; CASE studies; FLOODS; ABSOLUTE sea level change; OPTICAL radar
- Publication
Climatic Change, 2011, Vol 106, Issue 4, p537
- ISSN
0165-0009
- Publication type
Article
- DOI
10.1007/s10584-010-9987-2