The first stage is to measure the width and depth of the river. Draw a straight line cutting across the contours on the map and mark it as AB.
Schematic Of A Pool Cross Section A Unvegetated And B Point Bar Colonized With Vegetation 1 Primary Secondary Flow Cell And Cross Section Erosion Pool
Select Straight Lines Smooth Lines.
. The first step to complete to create your cross-section is to choose a line across the map where you want to view the elevation changes. Each cross section in a HECRAS model is identified by a river reach and river station. Set Cross Section X Axis Range.
Label any features intersected by your cross-section ie river major roads etc 8. 64 m² Wetted perimeter. This is for those of you doing a river study as a piece of fieldwork IGCSEIB Geography.
Use this option to generate different river cross sections to the same scale. Smooth line wetted perimeter version. Change River Cross Section Title.
Enter number of depth measurements min 5 max 25 Select Cross Section Type. The data gathered can then be plotted to create a scale diagram of the cross-section or used to find the cross-sectional area and wetted perimeter of the river. Smooth line wetted perimeter version.
Put a strip of paper along the cross-section and make a mark on your paper. Finish off your cross-section by. The instructions help draw a cross section in excel.
The instructions help draw a cross section in excel. Braided River Cross Section Example. Up to 24 cash back Place your piece of paper along the horizontal axis.
Back to the Index Equipment A long waterproof tapemeasure is needed to find the width of the river. 2 Put the straight edge of a piece of scrap paper along your cross-section line. River Cross Section Creator and Calculator.
A steep V-shaped cross-profile is typical in the upper course. This could be the area you plan to hike or as in this example here a line. Join the dots with a single smooth curved line.
In the middle course the river is flowing through lower-lying land. Enter the minimum and maximum x axis values required. On a piece of graph paper draw the horizontal axis of your graph exactly the same length as the transect A-B.
After you have finished drawing the cross sections right click Cross Sections and click Adjust River Stations. How to Draw a Cross-Section of a Map. In pencil plot dot the contour points and heights as if you were drawing a line graph.
There are four steps when drawing a cross-section. Take a thin strip of paper and place it along the transect line on the map. How to draw a cross section of a river how to draw a cross section of a river.
A cross-section graph is a graph coloured to look like a cross-section illustration eg for a river the x-axis is the width and the y-axis is the depth. The gradient is gentler so the river begins to meander bend. This is because of vertical erosion by the river combined with weathering and mass movement of the valley slopes.
1471 m Hydraulic radius. Here is a topographic map of Stone Mountain. A cross profile shows a cross-section of a rivers channel and valley at a certain point along the rivers course.
There are three basic steps to making the cross-section once you have your map.
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