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Figure 2 | SpringerPlus

Figure 2

From: An approach for aggregating upstream catchment information to support research and management of fluvial systems across large landscapes

Figure 2

An illustration shows the stream units in two types of digital stream networks. (a) a polyline example, (b) a polygon example. This also illustrates that upstream landscape summary of S1 is a combination of local information at unit S1, and upstream information at units S2, S3, S4, and S5. Similar statement is applied to (b) with a polygon example.

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