Intermittent and Ephemeral Streams
A perennial stream is one which flows continuously all year. Some perennial streams may only have continuous flow in segments of its stream bed year round during years of normal rainfall.
Blue-line streams are perennial streams and are marked on topographic maps with a solid blue line.
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Famous quotes containing the words ephemeral and/or streams:
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“It was a tangled and perplexing thicket, through which we stumbled and threaded our way, and when we had finished a mile of it, our starting-point seemed far away. We were glad that we had not got to walk to Bangor along the banks of this river, which would be a journey of more than a hundred miles. Think of the denseness of the forest, the fallen trees and rocks, the windings of the river, the streams emptying in, and the frequent swamps to be crossed. It made you shudder.”
—Henry David Thoreau (1817–1862)