Topographic roughness as a signature of the emergence of bedrock in eroding landscapes

Milodowski, D. T.; Mudd, S. M.; Mitchard, E. T. A.

doi:https://doi.org/10.5194/esurf-3-483-2015

Articles | Volume 3, issue 4

https://doi.org/10.5194/esurf-3-483-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/esurf-3-483-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 3, issue 4

Research article

|

16 Oct 2015

Research article |

| 16 Oct 2015

Topographic roughness as a signature of the emergence of bedrock in eroding landscapes

D. T. Milodowski, S. M. Mudd, and E. T. A. Mitchard

Download

Final revised paper (published on 16 Oct 2015)
Supplement to the final revised paper
Preprint (discussion started on 18 May 2015)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

- Printer-friendly version

- Supplement

RC C165: 'Public comment on "Topographic roughness as a signature of the emergence of bedrock in eroding landscapes"', Anonymous Referee #1, 24 Jun 2015
- AC C178: 'Response to Reviewer #1', David Milodowski, 09 Jul 2015
RC C168: 'review', Anonymous Referee #2, 07 Jul 2015
- AC C182: 'Response to Reviewer #2', David Milodowski, 10 Jul 2015
RC C193: 'Referee comment', Anonymous Referee #3, 15 Jul 2015

Short summary

Rock is exposed at the Earth surface when erosion rates locally exceed rates of soil production. This transition is marked by a diagnostic increase in topographic roughness, which we demonstrate can be a powerful indicator of the location of rock outcrop in a landscape. Using this to explore how hillslopes in two landscapes respond to increasing erosion rates, we find that the transition from soil-mantled to bedrock hillslopes is patchy and spatially heterogeneous.