How to select link-references to use when integrating 1D river and urban networks
    • 22 Sep 2022
    • 1 Minute to read

    How to select link-references to use when integrating 1D river and urban networks


    Article summary

    You can set up a link-reference from nodes in your urban network to various nodes in your river network using a specified link-reference type.

    The '1D Urban / 1D River' Linking Definition Tool provides a table that will automatically populate with the urban nodes that are available for connection to river nodes.

    You can connect junction, flow divider and outfall nodes in your urban network to any river section, replicate or interpolate node present in your river network using the ‘Flow to 1D River, Stage to 1D Urban’ link-reference type. This passes the calculated flow at the urban node to the connected river node, for example outflow pipes from an urban drainage system joining a river.

    Additionally or alternatively, you can connect a junction, flow divider or storage node in your urban network to a unique Head-Time boundary node in your river network using the ‘Flow to 1D Urban, Stage to 1D River’ link-reference type. This passes the calculated flow at the Head-Time boundary node to the connected urban node. Note that you cannot connect two urban nodes to the same Head-Time boundary node. If using this linking method, you will also need to allow inflows to the connected urban nodes.

    More details on the link-reference types can be found in the Link References section of the technical reference.


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