Skip to main content

Digital Shoreline Analysis System (DSAS) version 4.3 Transects with Short-Term Linear Regression Rate Calculations for the Exposed Central Beaufort Sea coast of Alaska between the Hulahula River and the Colville River

Dates

Publication Date
Start Date
1979
End Date
2010

Citation

Gibbs, A.E., Ohman, K.A., Coppersmith, R., and Richmond, B.M., 2017, National Assessment of Shoreline Change: A GIS compilation of updated vector shorelines and associated shoreline change data for the north coast of Alaska, U.S. Canadian border to Icy Cape (ver. 2.0, September 2024): U.S. Geological Survey data release, https://doi.org/10.5066/F72Z13N1.

Summary

This dataset has been superseded. The most current data for this data release are available here: https://www.sciencebase.gov/catalog/item/663a514ed34e77890839b042 This dataset consists of short-term (~31 years) shoreline change rates for the north coast of Alaska between the Hulahula River and the Colville River. Rate calculations were computed within a GIS using the Digital Shoreline Analysis System (DSAS) version 4.3, an ArcGIS extension developed by the U.S. Geological Survey. Short-term rates of shoreline change were calculated using a linear regression rate-of-change method based on available shoreline data between 1979 and 2010. A reference baseline was used as the originating point for the orthogonal transects cast by the [...]

Contacts

Attached Files

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

CentralBeaufort_exposed_STlrr_rates.xml
Original FGDC Metadata

View
33.31 KB application/fgdc+xml
Shapefile: CentralBeaufort_exposed_STlrr_rates.zip
CentralBeaufort_exposed_STlrr_rates.cpg 5 Bytes
CentralBeaufort_exposed_STlrr_rates.dbf 904.55 KB
CentralBeaufort_exposed_STlrr_rates.prj 145 Bytes
CentralBeaufort_exposed_STlrr_rates.sbn 24.64 KB
CentralBeaufort_exposed_STlrr_rates.sbx 556 Bytes
CentralBeaufort_exposed_STlrr_rates.shp 226.71 KB
CentralBeaufort_exposed_STlrr_rates.shx 20.7 KB

Purpose

The Arctic Coastal Plain of northern Alaska is an area of strategic economic importance to the United States, is home to remote Native American communities, and encompasses unique habitats of global significance. Coastal erosion along the north coast of Alaska is chronic, widespread, may be accelerating, and is threatening defense and energy-related infrastructure, natural shoreline habitats, and Native Alaskan communities. There is an increased demand for accurate information regarding past and present shoreline changes across the United States. To meet these national needs, the Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) is compiling existing reliable historical shoreline data along sandy shores of the conterminous United States and parts of Alaska and Hawaii under the National Assessment of Shoreline Change project. There is no widely accepted standard for analyzing shoreline change. Existing shoreline data measurements and rate calculation methods vary from study to study and prevent combining results into state-wide or regional assessments. The impetus behind the National Assessment project was to develop a standardized method of measuring changes in shoreline position that is consistent from coast to coast. The goal was to facilitate the process of periodically and systematically updating the results in an internally consistent manner.

Additional Information

Shapefile Extension

boundingBox
minY69.953820524712
minX-150.2105395615171
maxY70.56598790228858
maxX-144.2913152472057
files
nameCentralBeaufort_exposed_STlrr_rates.cpg
contentTypetext/plain
pathOnDisk__disk__61/bc/22/61bc22ac21e9d8fbce9f81c555f3918aa9e10d34
imageWidth580
imageHeight435
size5
dateUploadedTue Jun 20 18:58:38 MDT 2017
nameCentralBeaufort_exposed_STlrr_rates.dbf
contentTypetext/plain
pathOnDisk__disk__b8/d9/c3/b8d9c30529cad3db5b8b4484906db8d1a2b27e59
imageWidth580
imageHeight435
size926261
dateUploadedTue Jun 20 18:58:38 MDT 2017
nameCentralBeaufort_exposed_STlrr_rates.prj
contentTypetext/plain
pathOnDisk__disk__6d/c4/2c/6dc42c9b2208e0372588c11be82e29caa70f272e
imageWidth580
imageHeight435
size145
dateUploadedTue Jun 20 18:58:38 MDT 2017
nameCentralBeaufort_exposed_STlrr_rates.sbn
contentTypex-gis/x-shapefile
pathOnDisk__disk__b8/f8/48/b8f848d2e413d8506e64717c7cbf6fe7d060183a
size25236
dateUploadedTue Jun 20 18:58:38 MDT 2017
nameCentralBeaufort_exposed_STlrr_rates.sbx
contentTypex-gis/x-shapefile
pathOnDisk__disk__74/41/4c/74414cbc0d9ce83dda139bf624e6cf2f2cb011ff
size556
dateUploadedTue Jun 20 18:58:38 MDT 2017
nameCentralBeaufort_exposed_STlrr_rates.shp
contentTypex-gis/x-shapefile
pathOnDisk__disk__73/7d/c2/737dc2d7bec633105153f9302133f405541d3f10
size232156
dateUploadedTue Jun 20 18:58:38 MDT 2017
nameCentralBeaufort_exposed_STlrr_rates.shx
contentTypex-gis/x-shapefile
pathOnDisk__disk__b7/1d/bd/b71dbd6bb7c77a4dd63490a7d5cfa26c475139c0
size21196
dateUploadedTue Jun 20 18:58:38 MDT 2017
geometryTypeMultiLineString
nameCentralBeaufort_exposed_STlrr_rates
nativeCrsEPSG:4326

Item Actions

View Item as ...

Save Item as ...

View Item...