Estimates of exceedances of critical loads for acidifying deposition in Alberta and Saskatchewan

Makar, Paul A.; Akingunola, Ayodeji; Aherne, Julian; Cole, Amanda S.; Aklilu, Yayne-abeba; Zhang, Junhua; Wong, Isaac; Hayden, Katherine; Li, Shao-Meng; Kirk, Jane; Scott, Ken; Moran, Michael D.; Robichaud, Alain; Cathcart, Hazel; Baratzedah, Pegah; Pabla, Balbir; Cheung, Philip; Zheng, Qiong; Jeffries, Dean S.

doi:https://doi.org/10.5194/acp-18-9897-2018

Articles | Volume 18, issue 13

https://doi.org/10.5194/acp-18-9897-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

Atmospheric emissions from oil sands development and their...

https://doi.org/10.5194/acp-18-9897-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 13

Research article

|

13 Jul 2018

Research article |

| 13 Jul 2018

Estimates of exceedances of critical loads for acidifying deposition in Alberta and Saskatchewan

Paul A. Makar, Ayodeji Akingunola, Julian Aherne, Amanda S. Cole, Yayne-abeba Aklilu, Junhua Zhang, Isaac Wong, Katherine Hayden, Shao-Meng Li, Jane Kirk, Ken Scott, Michael D. Moran, Alain Robichaud, Hazel Cathcart, Pegah Baratzedah, Balbir Pabla, Philip Cheung, Qiong Zheng, and Dean S. Jeffries

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Interactive discussion

Status: closed

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

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RC1: 'the paper', Anonymous Referee #2, 31 Mar 2018
RC2: 'Review of Makar et al by Reviewer 2', Anonymous Referee #1, 31 May 2018
AC1: 'Author Responses to Comments, Estimates of Exceedances of Critical Loads for Acidifying Deposition in Alberta and Saskatchewan', Paul A. Makar, 20 Jun 2018

Peer-review completion

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

AR by Paul Makar on behalf of the Authors (20 Jun 2018) Manuscript

ED: Publish subject to technical corrections (27 Jun 2018) by Jennifer G. Murphy

AR by Paul Makar on behalf of the Authors (27 Jun 2018) Manuscript

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Short summary

Complex computer model output was compared to and fused with observation data, to estimate potential damage due to acidifying precipitation for ecosystems in the Canadian provinces of Alberta and Saskatchewan. Estimated deposition was compared to the maximum no-damage ecosystem capacity for sulfur and/or nitrogen uptake; these critical loads were exceeded, for areas between 10 000 and 330 000 square kilometres, depending on ecosystem type: ecosystem damage will occur at 2013 emission levels.