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  2. Pacific Coastal and Marine Science Center
  3. Historical shorelines and morphological metrics for barrier islands and spits along the north coast of Alaska between Cape Beaufort and the U.S.-Canadian border, 1947 to 2019
  4. Polygon shapefiles attributed with morphometric information for barrier islands and spits located along the north coast of Alaska between Cape Beaufort and the U.S.-Canadian border, 1947 to 2019

Polygon shapefiles attributed with morphometric information for barrier islands and spits located along the north coast of Alaska between Cape Beaufort and the U.S.-Canadian border, 1947 to 2019

Dates

Publication Date
Start Date
1947-07-01
End Date
2019-06-20

Citation

Hamilton, A.I., Gibbs, A.E., Erikson, L.H., and Engelstad, A.C., 2021, Historical shorelines and morphological metrics for barrier islands and spits along the north coast of Alaska between Cape Beaufort and the U.S.-Canadian border, 1947 to 2019: U.S. Geological Survey data release, https://doi.org/10.5066/P90EQ1H7.

Summary

A suite of morphological metrics were derived from existing shoreline and elevation datasets for barrier islands and spits located along the north-slope coast of Alaska between Cape Beaufort and the U.S.-Canadian border. This dataset includes barrier polygons attributed with morphological metrics from five time periods: 1950s, 1980s, 2000s, 2010s, and 2020s.

Contacts

Point of Contact :
PCMSC Science Data Coordinator
Originator :
Anna I Hamilton, Ann E Gibbs, Li Erikson, Anita C Engelstad
Metadata Contact :
PCMSC Science Data Coordinator
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Pacific Coastal and Marine Science Center
USGS Mission Area :
Natural Hazards

Attached Files

Click on title to download individual files attached to this item.

BarrierPolygons1947to2019_metadata.xml
Original FGDC Metadata
View 		45.57 KB application/fgdc+xml
Shapefile: BarrierPolygons1947to2019.zip
BarrierPolygons1947to2019.cpg 5 Bytes
BarrierPolygons1947to2019.dbf 365.21 KB
BarrierPolygons1947to2019.prj 445 Bytes
BarrierPolygons1947to2019.sbn 7.18 KB
BarrierPolygons1947to2019.sbx 356 Bytes
BarrierPolygons1947to2019.shp 4.29 MB
BarrierPolygons1947to2019.shx 5.93 KB

Purpose

These data accompany Hamilton and others (2021), a U.S. Geological Survey Open-File Report summarizing historical morphological change to barrier islands and spits located along the north-slope coast of Alaska between Cape Beaufort and the U.S.-Canadian border. The purpose of the study is to improve upon the understanding of barrier formation, evolution, and stability in a permafrost setting. The results can be used to advance an understanding of barrier island dynamics and better predict future barrier evolution and prevalence along Alaska's coast.

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Communities

  • Pacific Coastal and Marine Science Center

Tags

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Additional Information

Shapefile Extension

boundingBox
minY69.08058084515562
minX-164.08213762965264
maxY71.39732280867463
maxX-140.48970546589533
files
nameBarrierPolygons1947to2019.cpg
contentTypetext/plain
pathOnDisk__disk__e7/9f/d2/e79fd25d3a4334e6aadcae5a6e8fc31a1663133f
imageWidth580
imageHeight435
size5
dateUploadedFri Nov 13 10:39:52 MST 2020
nameBarrierPolygons1947to2019.dbf
contentTypetext/plain
pathOnDisk__disk__1a/49/fc/1a49fc96ec8e0d48c1705721fa89dfd0acc9577a
imageWidth580
imageHeight435
size373971
dateUploadedFri Nov 13 10:39:52 MST 2020
nameBarrierPolygons1947to2019.prj
contentTypetext/plain
pathOnDisk__disk__bd/84/9f/bd849f6253d5a6a4c8297e493f6253bc3c496d5e
imageWidth580
imageHeight435
size445
dateUploadedFri Nov 13 10:39:52 MST 2020
nameBarrierPolygons1947to2019.sbn
contentTypex-gis/x-shapefile
pathOnDisk__disk__48/12/03/481203fd5cce18fd7b615e4f35181a3ec381a683
size7348
dateUploadedFri Nov 13 10:39:52 MST 2020
nameBarrierPolygons1947to2019.sbx
contentTypex-gis/x-shapefile
pathOnDisk__disk__02/85/32/028532fcee84f946636558a415f336ca26ee2268
size356
dateUploadedFri Nov 13 10:39:52 MST 2020
nameBarrierPolygons1947to2019.shp
contentTypex-gis/x-shapefile
pathOnDisk__disk__66/45/b4/6645b4390f3625746a095d93306c127f9b49c228
size4495852
dateUploadedFri Nov 13 10:39:52 MST 2020
nameBarrierPolygons1947to2019.shx
contentTypex-gis/x-shapefile
pathOnDisk__disk__86/d6/ae/86d6ae23e25c7dccbd0affb4dfd895925fcfc670
size6076
dateUploadedFri Nov 13 10:39:52 MST 2020
geometryTypeMultiPolygon
nameBarrierPolygons1947to2019

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