arc hydro tools 2.0 tutorial

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  • ESRI 380 New York St., Redlands, CA 92373-8100, USA TEL 909-793-2853 FAX 909-793-5953 E-MAIL info@esri.com WEB www.esri.com

    Arc Hydro Tools - Tutorial

    Version 2.0 October 2011

  • Arc Hydro Tools v2.0 Tutorial

    October 2011 i

    Copyright 2011 ESRI All rights reserved. Printed in the United States of America. The information contained in this document is the exclusive property of ESRI. This work is protected under United States copyright law and other international copyright treaties and conventions. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage or retrieval system, except as expressly permitted in writing by ESRI. All requests should be sent to Attention: Contracts Manager, ESRI, 380 New York Street, Redlands, CA 92373-8100, USA. The information contained in this document is subject to change without notice.

  • Arc Hydro Tools v2.0 Tutorial

    October 2011 ii

    Table of Contents

    Introduction...................................................................................................................................... 1Objective .......................................................................................................................................... 1Getting Started ................................................................................................................................. 1

    Software Requirements ............................................................................................................... 1Setting up the Arc Hydro Tools .................................................................................................. 4Installing Arc Hydro and the Water Utilities Application Framework ....................................... 4Loading the Arc Hydro tools in ArcMap .................................................................................... 8Setting Default Vector Target Location Type ........................................................................... 10Default temporary workspace used by the tools ........................................................................ 12Dataset Setup ............................................................................................................................. 12Important Considerations before starting a new Arc Hydro Project ......................................... 12Tutorial Data.............................................................................................................................. 13

    Terrain Preprocessing .................................................................................................................... 16DEM Manipulation .................................................................................................................... 17

    1. Level DEM ....................................................................................................................... 172. DEM Reconditioning ....................................................................................................... 193. Assign Stream Slope ........................................................................................................ 204. Burn Stream Slope ........................................................................................................... 225. Build Walls ...................................................................................................................... 236. Sink Prescreening ............................................................................................................. 257. Sink Evaluation ................................................................................................................ 268. Depression Evaluation ..................................................................................................... 289. Sink Selection ................................................................................................................... 3010. Fill Sinks ........................................................................................................................ 32

    Terrain Processing ..................................................................................................................... 341. Flow Direction ................................................................................................................. 342. Flow Direction with Sinks ............................................................................................... 353. Adjust Flow Direction in Lakes ....................................................................................... 364. Flow Accumulation .......................................................................................................... 375. Stream Definition ............................................................................................................. 386. Stream Segmentation ....................................................................................................... 397. Flow Direction with Streams ........................................................................................... 398. Combine Stream Link and Sink Link ............................................................................... 429. Catchment Grid Delineation ............................................................................................ 4410. Catchment Polygon Processing ....................................................................................... 4411. Drainage Line Processing ............................................................................................... 4512. Adjoint Catchment Processing ....................................................................................... 4713. Drainage Point Processing ............................................................................................. 4914. Longest Flow Path for Catchments ................................................................................ 5115. Longest Flow Path for Adjoint Catchments ................................................................... 52

    Other Functions ......................................................................................................................... 531. Slope ................................................................................................................................ 53

    Watershed Processing .................................................................................................................... 54Delineation Functions ................................................................................................................ 54

    1. Batch Watershed Delineation ........................................................................................... 542. Batch Subwatershed Delineation ..................................................................................... 593. Batch Global Watershed Delineation ............................................................................... 61

  • Arc Hydro Tools v2.0 Tutorial

    October 2011 iii

    4. Batch Watershed Delineation for Polygons ..................................................................... 615. Delineate from Multiple Inlets and Outlets ...................................................................... 65

    Watershed Characterization Functions ...................................................................................... 691. Drainage Area Centroid ................................................................................................... 692. Longest Flow Path ........................................................................................................... 703. Longest Flow Path for Watersheds .................................................................................. 724. Longest Flow Path for Subwatersheds ............................................................................. 735. Main Flow Path ................................................................................................................ 746. Construct 3D Line ............................................................................................................ 787. Smooth 3D Line ............................................................................................................... 798. Flow Path Parameters from 2D Line ................................................................................ 819. Flow Path Parameters from 3D Line ................................................................................ 8210. Basin Length Points ....................................................................................................... 8311. Basin Length .................................................................................................................. 84

    Network Tools ............................................................................................................................... 871. Hydro Network Generation .............................................................................................. 872. Node/Link Schema Generation ........................................................................................ 903. Store Flow Direction ........................................................................................................ 924. Set Flow Direction ........................................................................................................... 93

    Attribute Tools ............................................................................................................................... 9