PPT-Digital Elevation Model (DEM) Resolution and Stream

Extraction Using Terrain Openness Josh Page and Dr Wei Luo Northern Illinois University Department of Geography 2010 Introduction In the past traditional flow directionbased methods for extracting streams from DEM data often . Bootcamp. Contour Maps!. Random Fact of the Day. On average, what is the distance in miles between the Earth and the Moon?. 238,857 miles. . Contour. Maps. Use (. contour. ) . lines. to tell . elevation. CSE 132. Instructional Staff. Instructors – Ron Cytron & Roger Chamberlain. Offices: Bryan 525 & Bryan 509. Email: . cytron. & roger @wustl.edu. Head TA – Andrew Buckley. Use piazza for posting problems. SketchUp. . to make a house model. from elevation drawings.. Simple skills…trace, push/. pull, rotate, copy, scale…. Trace over a single side of one elevation view if the house is fairly close to symmetrical. . in partnership with:. With support from:. NSF DUE-0903270. Prepared by:. George McLeod. Geospatial Technician Education Through Virginia’s Community Colleges (GTEVCC). Digital Terrain Models. A . digital. David Tarboton. Utah State University. dtarb@usu.edu. . http://hydrology.usu.edu/taudem. . 1. Outline. TauDEM. software. D-Infinity . flow model. Generalized flow accumulation (Flow algebra). Parallel . Understanding. How to use. Reading. http://resources.arcgis.com/en/help/main/10.2/index.html#//009z0000004w000000. Outline. Key Concepts from Exercise 3. Work the 2. nd. half of Exercise 3. DEM Pit removal. TauDEM. ). Learning Objectives. To be able to delineate watersheds as the basic hydrologic model elements from Digital Elevation Models using Geographic Information Systems tools and to use this information in Hydrologic Analyses. A match made on earth. USGS, . SouthAtlantic. Water . Science . Center. NC/SC Associate National Map Liaison. Silvia Terziotti. Elevation and Hydrography. a. re inherently linked. One forms the other. How to use. Reading. . https://. pro.arcgis.com/en/pro-app/tool-reference/spatial-analyst/an-overview-of-the-hydrology-tools.htm. . Understanding. Topography defines watersheds which are fundamentally the most basic hydrologic landscape elements. . Stream Crossing Bootcamp Survey Basics Introduction Survey Basics Stream Survey Equipment Total Station Hand Level Dumpy Level GPS Survey Laser Level Tape Measure Introduction Survey Basics Stream Survey Equipment Stream Crossing Bootcamp Survey Basics Introduction Survey Basics Stream Survey Equipment Total Station Hand Level Dumpy Level GPS Survey Laser Level Tape Measure Introduction Survey Basics Stream Survey Equipment 25193028192030321and then create a topographic map of it14302922230282612922152812914127bMapmakers have devised an ingenious way to show three150dimensional topographysurface with the use of a topogra Contours and Hillshade to visualize topography. Zonal Average of Raster over Subwatershed. Subwatershed Precipitation by Thiessen Polygons. Thiessen. Polygons. Feature to Raster (. Precip. field). Zonal Statistics (Mean). CUAHSI Virtual University. David Tarboton. Utah State University. david.tarboton@usu.edu. . Outline. A bit of a recap – the concepts involved in Thiessen Polygons. The terrain flow information model.