'Strahler stream order' diaporamas de présentation

Hydrologic Terrain Analysis in ArcGIS

Hydrologic Terrain Analysis in ArcGIS. David G. Tarboton dtarb@cc.usu.edu. http://www.engineering.usu.edu/dtarb. Outline. Grid based terrain flow data model Objective stream threshold delineation Variable drainage density D ? multiple flow direction model Flow algebra

701 views • 58 slides

Super-Charging the NHD with Value-Added Attributes

Super-Charging the NHD with Value-Added Attributes. Cindy McKay, Horizon Systems Jennifer Hill, Horizon Systems Tim Bondelid, RTI International Ian Stack, Indus Sponsored by: US Environmental Protection Agency Office of Water. The Value-Added Attributes:. A set of network characteristics

405 views • 32 slides

Stream Asset Inventory GIS Model

410 views • 28 slides

A Geographic Information System Tool for Hydrologic Model Setup

A Geographic Information System Tool for Hydrologic Model Setup. David G. Tarboton Kiran Chinnayakanahalli Dan Ames Ross Woods. http://www.engineering.usu.edu/dtarb. Distributed Hydrologic Modeling. Objective DEM based delineation of watersheds and channel networks

207 views • 20 slides

What are ephemeral streams?

What are ephemeral streams?. Streams that regularly exist for short periods of time, usually during a rainy period, and may have defined channels even when they are dry. What are intermittent streams?.

395 views • 19 slides