Disaggregating a regional-extent digital soil map using Bayesian area-to-point regression kriging for farm-scale soil carbon assessment

Pallegedara Dewage, Sanjeewani Nimalka Somarathna; Minasny, Budiman; Malone, Brendan

doi:https://doi.org/10.5194/soil-6-359-2020

Articles | Volume 6, issue 2

SOIL, 6, 359–369, 2020

https://doi.org/10.5194/soil-6-359-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

SOIL, 6, 359–369, 2020

https://doi.org/10.5194/soil-6-359-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 6, issue 2

Original research article 06 Aug 2020

Original research article | 06 Aug 2020

Disaggregating a regional-extent digital soil map using Bayesian area-to-point regression kriging for farm-scale soil carbon assessment

Sanjeewani Nimalka Somarathna Pallegedara Dewage et al.

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Final revised paper (published on 06 Aug 2020)
Preprint (discussion started on 30 Jan 2020)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Comments on this manuscript', Anonymous Referee #1, 12 Mar 2020
- AC1: 'Reply for General comments', Sanjeewani Pallegedara Dewage, 20 Mar 2020
RC2: 'Reviewer comment SOIL 2019 75', Anonymous Referee #2, 20 May 2020
- AC2: 'Reply for Reviewer's comments', Sanjeewani Pallegedara Dewage, 29 May 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (review by editor) (02 Jun 2020) by Bas van Wesemael

AR by Lorena Grabowski on behalf of the Authors (19 Jun 2020) Author's response

ED: Publish as is (22 Jun 2020) by Bas van Wesemael

ED: Publish as is (25 Jun 2020) by Kristof Van Oost(Executive Editor)

Short summary

Most soil management activities are implemented at farm scale, yet digital soil maps are commonly available at regional/national scales. This study proposes Bayesian area-to-point kriging to downscale regional-/national-scale soil property maps to farm scale. A regional soil carbon map with a resolution of 100 m (block support) was disaggregated to 10 m (point support) information for a farm in northern NSW, Australia. Results are presented with the uncertainty of the downscaling process.