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The importance of better mapping of stream networks using high resolution digital elevation models – upscaling from watershed scale to regional and national scales

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Abstract. Headwaters make up the majority of any given stream network, yet, they are poorly mapped. A solution to this is to model the stream networks from a high resolution… Click to show full abstract

Abstract. Headwaters make up the majority of any given stream network, yet, they are poorly mapped. A solution to this is to model the stream networks from a high resolution digital elevation model. Selecting the correct stream initiation threshold is key, but how do you do that on a national scale across physiographic regions? Here the Swedish landscape is used as a test bench to investigate how the mapping of small stream channels (

Keywords: stream networks; resolution digital; high resolution; stream; digital elevation

Journal Title: Hydrology and Earth System Sciences Discussions
Year Published: 2019

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