Basic Hydrologic Analysis in ArcGIS Pro

Here we learn how to use the basic ArcGIS Pro hydrologic tools to analyze how water flows across the landscape surface. We will examine the three ways to generate flow direction rasters, named D8, MFD (for Multiple Flow Direction) and DINF (for Infinite Direction). From this flow direction raster, we will see how to identify stream paths, watersheds (also known as catchments or drainage basins), flow accumulation rasters and the Topographic Wetness Index (TWI). We will also learn how to use the stream path to build a network, from which we can calculate the shortest distance between two points while constrained to the hydrologic flow paths.

Lab Exercises:
Lab 1: Calculating Areas from Raster Datasets;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 2: Problems when creating Watersheds without filling the DEM;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 3: Filling Sinks in a DEM;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 4: Calculating an Accurate Flow Direction Raster;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 5: Generating an Accurate Watershed;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 6: Creating a Flow Accumulation Raster;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 7: Generating a Stream Network using Strahler Stream Orders;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 8: Aspect Statistics within Watershed;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 9: Slope Statistics within Watershed;    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 10: The Topographic Wetness Index (TWI);    • Hydrology in ArcGIS Pro, Lab Exercise...  
Lab 11: Finding the Shortest Path Through the Stream Network;    • Hydrology in ArcGIS Pro, Lab Exercise...  

Extra Materials:
Word Document with walk-throughs of lab exercises: https://docs.google.com/document/d/13...

Data for Lab Exercises: https://drive.google.com/file/d/1i07m...

Manuscripts discussing TWI: https://drive.google.com/file/d/1W4Ty...