Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/43560
Title: Field guide to identifying the upper extent of stream channels
Authors: Rossi, Rebecca K.
David, Gabrielle C. L.
Keywords: Channel head
Erosional features
Hillslope processes
Hydrology
Ordinary high water mark
Regulatory
Stream channel
Streams
Watersheds
Wetlands
Publisher: Engineer Research and Development Center (U.S.)
Series/Report no.: Technical Report (Engineer Research and Development Center (U.S.)) ; no. ERDC/CRREL TR-22-6
Abstract: The upper extent of a channel is a transition zone from the hillslope to the beginning of the stream channel. Accurately and consistently identifying the upper extent of a channel in the field and locating where hillslope processes transition to stream-channel processes can be a difficult task. Physical characteristics located at the beginning of a channel (i.e., channel head), including geomorphic, sediment, and vegetation indicators, can vary significantly across different landscapes in the United States. Remote tools are useful for examining the upper extent of channels, but these re-mote tools have limitations for identifying the beginning of channels. Even as the resolution of remote data continues to increase, field observations are necessary to validate the remote data on the ground and to accurately and consistently identify and locate the transition from the hillslope to the stream channel. Use of a combination of remote and field evidence is likely the most successful strategy for identifying channel heads. This report presents a case study that demonstrates how a weight-of-evidence approach can combine field and remote evidence to locate the different parts of the transition and ultimately to identify the channel-head location.
Description: Technical Report
Gov't Doc #: ERDC/CRREL TR-22-6
Rights: Approved for Public Release; Distribution is Unlimited
URI: https://hdl.handle.net/11681/43560
http://dx.doi.org/10.21079/11681/43560
Appears in Collections:Technical Report

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