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  3. A GIS Compilation of Vector Shorelines and Shoreline Classification for Puerto Rico from 1970 and 2010
  4. 1970s Shorelines for the Main Island of Puerto Rico

1970s Shorelines for the Main Island of Puerto Rico

Dates

Publication Date
Start Date
1964-01-01
End Date
1977-01-01

Citation

Bracero-Marrero, L., Barreto-Orta, M., Hernández-Montcourt, N., Maldonado-González, R., Himmelstoss, E.A., and Heslin, J.L., 2021, A GIS compilation of vector shorelines and shoreline classification for Puerto Rico from 1970 and 2010: U.S. Geological Survey data release, https://doi.org/10.5066/P9SEUAHC.

Summary

The U.S. Geological Survey (USGS) maintains shoreline positions for the United States coasts from both older sources, such as aerial photos or topographic surveys, as well as contemporary sources like lidar point clouds and digital elevation models (DEMs). These shorelines are compiled and analyzed in the Digital Shoreline Analysis System (DSAS) software to compute rates of change. It is useful to keep a record of historical shoreline positions as a method of monitoring change over time to identify areas most susceptible to erosion or accretion. These data can help coastal managers understand which areas of the coast are vulnerable to change. This data release and other associated products represent an expansion of the USGS national-scale [...]

Contacts

Contact :
Julia L Heslin
Originator :
Maritza Barreto-Orta, Laura Martí, Leticia Silva, Tatiana Gladkikh, Zulimar Alvira, Nias Hernández-Montcourt, Rubén Maldonado-González, Loderay Bracero-Marrero, Emily Himmelstoss, Julia L Heslin
Publisher :
U.S. Geological Survey
Data Owner :
Woods Hole Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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Shoreline_Puerto_Rico_Main_Island_1970_metadata.xml
Original FGDC Metadata
View 		33.45 KB application/fgdc+xml
PR_1970_MainIsland_Shoreline_Classification.jpg
“Coverage of 1970s era shorelines for the main island.” 		thumbnail 1.81 MB image/jpeg
Shapefile: Shoreline_Puerto_Rico_Main_Island_1970.zip
Shoreline_Puerto_Rico_Main_Island_1970.CPG 5 Bytes
Shoreline_Puerto_Rico_Main_Island_1970.dbf 1.77 MB
Shoreline_Puerto_Rico_Main_Island_1970.prj 145 Bytes
Shoreline_Puerto_Rico_Main_Island_1970.sbn 15.98 KB
Shoreline_Puerto_Rico_Main_Island_1970.sbx 892 Bytes
Shoreline_Puerto_Rico_Main_Island_1970.shp 2.17 MB
Shoreline_Puerto_Rico_Main_Island_1970.shx 13.22 KB
Shoreline_Puerto_Rico_Main_Island_1970_metadata.html
“html metatdata” 		77.98 KB

Purpose

The shoreline data in this data release were digitized from georeferenced photographs, using the high-water line, ground water exit point, wet-dry line and instantaneous water line as specified in the shoreline type description of the data and attribute section of the metadata. This data release also provides a detailed classification of the coast from aerial photo interpretations. These data are used in conjunction with other compiled shorelines provided in complementary data releases to calculate rates of shoreline change.
Coverage of 1970s era shorelines for the main island.
Coverage of 1970s era shorelines for the main island.

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