Shapefiles depicting the valley bottom areas.

The shapefiles depict the valley bottom areas over which HEC-RAS model results were summarized. Valley bottoms were manually delineated in ArcMap by visually interpreting LIDAR terrain models and aerial imagery. Substantial changes in elevation, curvature, and slope were interpreted within the context of their position within the study reach to be channel banks and valley walls. Such areas were excluded from the valley bottom delineation.

Data and Resources

Field Value
accessLevel public
bureauCode {010:12}
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier USGS:5b912309e4b0702d0e8085b3
metadata_type geospatial
modified 20220616
old-spatial -180.0, -90.0, 180.0, 90.0
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash 3adc202a3fbb6116dd1fb7c56ffb549cfde33e4d
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-180.0, -90.0], [-180.0, 90.0], [ 180.0, 90.0], [ 180.0, -90.0], [-180.0, -90.0]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • biota
  • ckan
  • flood-regime
  • floodplain
  • geo
  • geoss
  • hydrogeomorphology
  • hydrology
  • inundation
  • little-gunpowder-falls-laurel-brook-maryland-usa
  • national
  • north-america
  • patapsco-river-woodstock-maryland-usa
  • patuxent-river-unity-maryland-usa
  • seneca-creek-dawsonville-maryland-usa
  • united-states
  • usgs-5b912309e4b0702d0e8085b3
isopen False
license_id notspecified
license_title License not specified
maintainer Molly Van Appledorn
maintainer_email mvanappledorn@usgs.gov
metadata_created 2025-11-21T12:56:54.368462
metadata_modified 2025-11-21T12:56:54.368466
notes The shapefiles depict the valley bottom areas over which HEC-RAS model results were summarized. Valley bottoms were manually delineated in ArcMap by visually interpreting LIDAR terrain models and aerial imagery. Substantial changes in elevation, curvature, and slope were interpreted within the context of their position within the study reach to be channel banks and valley walls. Such areas were excluded from the valley bottom delineation.
num_resources 2
num_tags 19
title Shapefiles depicting the valley bottom areas.