The purpose of this exercise is to illustrate watershed and stream network delineation based on digital elevation models using the Hydrology tools in ArcGIS and online services for Hydrology and Hydrologic data. In this exercise, we will use Arc Hydro tools to process a DEM to delineate watershed, sub-watersheds, stream network and some other watershed characteristics that collectively describe the drainage patterns of a basin. 35 0 obj<>stream 1. Exercise 1: Configuring a Style for Watershed Display In this exercise, you will configure a style for watershed display. This can be achieved by delineating the watershed and analysing the stream network in the watershed for possible yield using appropriate methods. Exercise 6 - Raster Datasets; NHDPlusV2 contains many raster datasets. 0000000972 00000 n 0000007526 00000 n We will use ‘Upslope Area’ Module in ‘Terrain analysis-Hydrology’ section to accomplish the delineation of Katraj Lake watershed. reference defined to it. Open the ArcToolbox toolset Spatial Analyst Tools > Hydrology. 0000006824 00000 n The results from this exercise can be used to create input files for many hydrologic models. This document and method is commonly called 'The New Hampshire Method'. 3. The workshop covers basic wetland training and includes the 1987 US Army Corps of Engineers (USACE) Wetlands Manual, and you can choose any or all of … In the first lab meeting students were introduced to the research question (i.e. The result will be a watershed and stream network for the Logan river. Delineating Watersheds How to Delineate a Watershed. 2. Watershed Modeling – Advanced DEM Delineation Techniques Learn how to model manmade and natural drainage features such as road embankments, depressions, and gutters Objectives Manipulate the default watershed boundaries by assigning map features such as road embankments, gutters, and known watershed boundaries to watershed delineations . Create a new empty map, and save it as Exercise.mxd (or any other name – Ex3 is the name used in this tutorial). We can summarize the steps for catchment delineation as follows: Preprocess information: merge, reproject, subset the information. Right click on the menu bar to pop up the context menu showing available … These tools rely on the datasets derived during terrain processing. This tutorial is about Delineation of watershed with google earth. Question: (A By-hand Watershed Delineation Exercise) Assume That Your Firm Is Building An Open Reservoir Type Rainwater Harvesting System Next To Route 322 In Worth Township, Centre County Along Laurel Run. 0000000016 00000 n Draw in the smaller streams by identifying V-shape crenulations. Exercise # 7: Watershed Delineation Using NHDPlus and the ArcHydro Tools – Last Updated 4/30/2008 ... To use the NHDPlus data for watershed delineation and characterization in the ArcHydro Tools, the data must first be preprocessed. In this lesson, we are going to do some hydrological analysis. Batch Watershed Delineation This function delineates the watershed upstream of each point in an input Batch Point feature class. At this point we have all required layers to delineate the watershed region of Katraj Lake. When is it appropriate to delineate a watershed? Open the Fill tool. What are topographic maps? 1��(q��e�&i=4u�Ut� !�a�����I��P�z�}��S�JvS�H4=�Z�%a*j�>Q��Vۖ�M��8�u��3� �rgT�TլD7Y�'i�Qx���wS���I|�>o��i�����/��Z�mۿh�x�C��z�͠,� zTjɁ1�>]�W�W3��Gi%��. 0000007299 00000 n %%EOF Trace the watercourse from its source to its mouth, including all tributaries. All watershed delineation means is that you’re drawing lines on a map to identify a watershed’s boundaries. 41 0 obj<> endobj 0000001968 00000 n Use a topographic map(s) to locate the river, lake, stream, wetland, or other waterbodies of interest. A watershed is an upslope area that contributes water flow as concentrated drainage. In this laboratory exercise techniques of map preparation will be presented. This is where the surface hydrology tools are located. 0000014312 00000 n 0000001477 00000 n First, a simple exercise will review map reading skills. <<45d10a6118e73c46998f889201af0334>]>> Part 1: Online Watershed Delineation and Data Retrieval from ESRI A watershed is the total drainage area upstream of a point. 0000002445 00000 n In this exercise, you will select a stream gage location and use online tools to delineate the watershed draining to the gage. Exercise 2: Generating a Watershed Analysis In this exercise, you will generate and display the watershed analysis. Big River Watershed. xref Practice Exercises; Watershed & Lakeshed Delineation. 0000000016 00000 n Exercise 3: Creating a Watershed Legend In this exercise, you will add a watershed legend table to the drawing. The watersheds can also be delineated automatically using modern computing tools such as GIS. You can create a working folder on the desktop of the MIT Libraries computer you are using. Natural'Watershed'Delineation' Instructions:!Delineate!the!Tuna!Canyon!Watershed.!Bonus!points!if!you!delineate!Pena!Canyon!too!!!!! x�b```f``z�����������b�@�q�`a[�ÞPG�W���Mf���u(l�� ��J @6C� ��B`�>��+��k$���&�2Zo-�i� �ІU��b/C�v ���@,��P���[email protected]� Mg B HSPF modeling and for BASINS watershed characterization reports • So we can characterize and investigate what is going on in one portion of the study area versus another. These videos were created by Dr. Jane Frankenberger and Dr. Fariborz Daneshvar of Purdue University to provide an on-demand introduction to learning SWAT. 43 0 obj<>stream Watersheds can be delineated manually using paper maps, or digitally in a GIS environment. 1. Learn to m anipulate the default watershed boundaries by assigning map features such as road embankments, gutters, and known watershed boundaries to watershed delineations . The purpose of this exercise is to illustrate watershed and stream network delineation based on digital elevation models using the Hydrology tools in ArcGIS and online services for Hydrology and Hydrologic data. The … This site and Reading Topographic Maps are available together for download. Urban Watershed Delineation Instructions: Delineate the Compton Creek Watershed (Creek shown in red, LA River in blue) Topanga 2012 File Edit View Window Help 7900 1600 1100 1300 1300 22.75 in Dix … x�b``�f``�����xڀA�D��$��]�p��@R� �J�� �Z24:D�1d�}����,�� r�H��0 �]� 41 14 114 APPENDIX D: WATERSHED DELINEATION Appendix D: Watershed Delineation Imagine a watershed as an enormous bowl. 6.3.4. In this tutorial you will learn about that how Watershed Delineate in ArcGIS. Original exercise prepared by David Maidment Center for Research in Water Resources University of Texas at Austin. Watershed delineation 7 20. Question: (A By-hand Watershed Delineation Exercise) Assume That Your Firm Is Building An Open Reservoir Type Rainwater Harvesting System Next To Route 322 In Worth Township, Centre County Along Laurel Run. Contour lines are lines of equal elevation, so any point along a given contour line is the same elevation. 0000000747 00000 n How To: Create a watershed model using the Hydrology toolset Summary. This exercise continues from Exercise 2: Generating a Watershed Analysis. A watershed is an upslope area that contributes water flow as concentrated drainage. How to Read a Topographic Map and Delineate a Watershed This fact sheet is an excerpt from Appendix E of the Method for the Comparative Evaluation of Nontidal Wetlands in New Hampshire, 1991.Alan Ammann, PhD and Amanda Lindley Stone. Visualizing the landscape represented by the topographic map will make the process much easier than simply This line should always cross the contours at right angles (i.e. Your job is to draw the drainage divide for the Summerson Run watershed outlined within the box. Create a working Create a watershed legend table Note: This exercise uses Surface-5A.dwg with the modifications you made in the previous exercise, or you can open Surface-5B.dwg from the tutorials drawings folder. The input surface is the dem grid. 0000004630 00000 n Delineating a Watershed The following procedure and example will help you locate and connect all of the high points around a watershed on a topographic map shown in Figure F-4 below.