Intra-pixel variability in satellite tropospheric NO<sub>2</sub> column densities derived from simultaneous space-borne and airborne observations over the South African Highveld

Broccardo, Stephen; Heue, Klaus-Peter; Walter, David; Meyer, Christian; Kokhanovsky, Alexander; van der A, Ronald; Piketh, Stuart; Langerman, Kristy; Platt, Ulrich

doi:https://doi.org/10.5194/amt-11-2797-2018

Articles | Volume 11, issue 5

https://doi.org/10.5194/amt-11-2797-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/amt-11-2797-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 11, issue 5

Research article

|

14 May 2018

Research article |

| 14 May 2018

Intra-pixel variability in satellite tropospheric NO₂ column densities derived from simultaneous space-borne and airborne observations over the South African Highveld

Stephen Broccardo, Klaus-Peter Heue, David Walter, Christian Meyer, Alexander Kokhanovsky, Ronald van der A, Stuart Piketh, Kristy Langerman, and Ulrich Platt

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Final revised paper (published on 14 May 2018)
Preprint (discussion started on 01 Feb 2017)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Broccardo et al., Intra-pixel variability in satellite tropospheric NO2 column densities derived from simultaneous spaceborne and airborne observations, AMTD, 2017', Anonymous Referee #1, 06 Mar 2017
- AC1: 'Responses to anonymous reviewer 1', Stephen Broccardo, 20 Jun 2017
RC2: 'comments on amt-2016-366', Anonymous Referee #3, 23 May 2017
- AC2: 'Responses to anonymous reviewer 3', Stephen Broccardo, 20 Jun 2017

Peer-review completion

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

AR by Stephen Broccardo on behalf of the Authors (04 Jul 2017) Manuscript

ED: Publish as is (08 Aug 2017) by Michel Van Roozendael

AR by Stephen Broccardo on behalf of the Authors (16 Aug 2017)

Short summary

Measurements of nitrogen dioxide, known to originate from industrial and automotive combustion sources, have been made from space for two decades. Successive generations of instrument bring improvements in ground-pixel resolution; however features in the atmosphere are known to be smaller than what the satellites can resolve. Measurements of urban and industrial areas using a high-resolution airborne instrument allow the impact of the satellite's relatively low resolution to be evaluated.

Intra-pixel variability in satellite tropospheric NO2 column densities derived from simultaneous space-borne and airborne observations over the South African Highveld

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Interactive discussion

Peer-review completion

Intra-pixel variability in satellite tropospheric NO₂ column densities derived from simultaneous space-borne and airborne observations over the South African Highveld