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Organizing Layers in ArcMap …
… as well as your data folders!
You can make Group Layersin your TOC to keep yourlayers sorted. This is similarto organizing your data infolders, but sorting yourlayers within your .mxd!This is good for your brain.
Exercise 12: Boulder Creek Watershed
Working with hydrology on a DEM
Modeling flow:
• Vector Approach
• Raster Approach
Uses nodes as streamjunctions
Uses DEMs for modelingflow surfaces
New Tools:
Slope
Fill
Flow Direction
Flow Accumulation
Reclassify
Raster to Polyline
Flow Length
Today we’re thinking in pixels!
Except for this guy for cartography:
Flow Direction on a Raster:
Think about elevationvalues and how thecells relate to eachother in space
This is an example of aneighborhood function
Boulder Creek watershed is highly studied!
To dive in deeper to this topic, Google ‘Critical Zone Observatory’!
The September 2013 Flood: