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This dataset includes a reference baseline used by the Digital Shoreline Analysis System (DSAS) to calculate rate-of-change statistics for Oahu South region from Barbers Point to Ewa Beach. Transects were constructed manually outside of DSAS and later imported. However, these baselines are required to calculate shoreline change rates in DSAS using the manually-constructed transects. The transects intersect each shoreline and establish measurement points used to calculate shoreline-change rates.
Rates of long-term and short-term shoreline change were generated in a GIS using the DSAS version 4.2 - An ArcGIS extension for calculating shoreline change: U.S. Geological Survey Open-File Report 2008-1278, Thieler, E.R., Himmelstoss, E.A., Zichichi, J.L., and Ergul, Ayhan.
Are there legal restrictions on access or use of the data?
Use_Constraints:Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the University of Hawaii Coastal Geology Group as the originator of the dataset.
Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
|Data format:||This WinZip file contains the baseline shapefile for use generating transects within the Digital Shoreline Analysis System for the Oahu South coastal region from Barbers Point to Sandy Beach. in format Shapefile (version ArcGIS 9.3) ESRI polyline shapefile Size: 0.1|
This zip file contains data available in Environmental Systems Research Institute (ESRI) polyline shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing the data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.