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| Type: | Resource | |
| Storage: | The size of this resource is 572.4 MB | |
| Created: | Aug 13, 2025 at 3:13 p.m. (UTC) | |
| Last updated: | Aug 13, 2025 at 4:39 p.m. (UTC) | |
| Citation: | See how to cite this resource | |
| Content types: | Geographic Feature Content |
| Sharing Status: | Public |
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| Views: | 14 |
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Abstract
This dataset contains floodplain geomorphons raster layers, developed from DEMs, for the Lake Champlain Basin of Vermont in the northeastern United States. In these layers, we used geomorphons to identify meso-scale topographic units within the 500-year floodplains of all reaches in the Lake Champlain Basin of Vermont. Geomorphons were identified for the extent of the 500-year floodplain for all reaches in each Hydrologic Unit Code-12 (HUC-12) subwatershed. The geomorphon approach identifies topographic units as one of 10 classes of geomorphons—a classification system for landforms based on generalized 3D shape. The file name for this layer begins with four digits corresponding to the last four digits of the reach’s HUC-12 and ends with “geomorphons_clean.tif”. A second, alternate layer for each HUC-12 was created by consolidating the original 10 classes into three classes (flat, convex, and concave features), providing a simpler way of visualizing floodplain topographic patterns relevant for routing water across the surface. The main channel of the reach was also masked out of the alternate, 3-class version of the layer. The file name for the 3-class layer with the channel masked out begins with the four digits corresponding to the last four digits of the HUC-12 subwatershed code and ends with “geomorphons_mask3cls.tif”. The data are grouped into folders by HUC-8 subbasin.
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Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| National Oceanic and Atmospheric Administration | Cooperative Institute for Research to Operations in Hydrology |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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