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Compound Topographic Index (CTI) from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database -- Europe

Dates

Publication Date
Time Period
2017

Citation

Verdin, K.L., 2017, Hydrologic Derivatives for Modeling and Applications (HDMA) database: U.S. Geological Survey data release, https://doi.org/10.5066/F7S180ZP.

Summary

This dataset contains the Compound Topographic Index (CTI) for Europe from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. The data were developed and distributed by processing units. There are 11 processing units for Europe. The distribution files have the number of the processing unit appended to the end of the zip file name (e.g. eu_dem_3_2.zip contains the DEM data for unit 3-2). The HDMA database provides comprehensive and consistent global coverage of raster and vector topographically derived layers, including raster layers of digital elevation model (DEM) data, flow direction, flow accumulation, slope, and compound topographic index (CTI); and vector layers of streams and catchment boundaries. The coverage [...]

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1.52 GB application/zip
eu_cti.jpg thumbnail 350.83 KB image/jpeg
eu_cti_1.zip 67.73 MB application/zip
eu_cti_2.zip 241.5 MB application/zip
eu_cti_3.zip 973.16 MB application/zip
eu_cti_4.zip 151.44 MB application/zip
eu_cti_5.zip 23.85 MB application/zip
eu_cti_6.zip 183.21 MB application/zip
eu_cti_7.zip 55.69 MB application/zip
eu_cti_8.zip 261.59 MB application/zip
1.14 GB application/zip
eu_cti_9_2.zip 247.76 MB application/zip

Purpose

This dataset contains the CTI for Europe from the Hydrologic Derivatives for Modeling and Analysis (HDMA) database. This dataset is appropriate for use in continental-scale modeling effort. The Pfafstetter codes provide topological information that can be useful for upstream and downstream tracing.
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Communities

  • USGS Colorado Water Science Center

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