Radiation sensitivity tests of the HARMONIE 37h1 NWP model

Nielsen, K. P.; Gleeson, E.; Rontu, L.

doi:https://doi.org/10.5194/gmd-7-1433-2014

Articles | Volume 7, issue 4

https://doi.org/10.5194/gmd-7-1433-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/gmd-7-1433-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 7, issue 4

Methods for assessment of models

|

16 Jul 2014

Methods for assessment of models |

| 16 Jul 2014

Radiation sensitivity tests of the HARMONIE 37h1 NWP model

K. P. Nielsen, E. Gleeson, and L. Rontu

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Final revised paper (published on 16 Jul 2014)
Supplement to the final revised paper
Preprint (discussion started on 17 Dec 2013)

Interactive discussion

Status: closed

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

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- Supplement

RC C2479: 'Review of "Radiation sensitivity tests of the HARMONIE 37h1 NWP model" by K.P. Nielsen, E. Gleeson, and L. Rontu', Anonymous Referee #1, 30 Jan 2014
- AC C2925: 'Author reply to referee #1', Kristian Pagh Nielsen, 02 Apr 2014
  - AC C2951: 'Reply to referee #1 in pdf format', Kristian Pagh Nielsen, 02 Apr 2014
RC C2522: 'Review by Referee 2', Anonymous Referee #2, 07 Feb 2014
- AC C2941: 'Author reply to referee #2', Kristian Pagh Nielsen, 02 Apr 2014
  - AC C2952: 'Reply to referee 2 in pdf-format', Kristian Pagh Nielsen, 02 Apr 2014
AC C3051: 'Supplements to the revised manuscript that was submitted 2014-04-02', Kristian Pagh Nielsen, 02 May 2014
AC C3052: 'Revised manuscript, submitted 2014-04-02', Kristian Pagh Nielsen, 02 May 2014

Peer-review completion

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

AR by Kristian Pagh Nielsen on behalf of the Authors (07 Apr 2014) Author's response Manuscript

ED: Referee Nomination & Report Request started (09 Apr 2014) by Volker Grewe

RR by Anonymous Referee #2 (23 Apr 2014)

RR by Anonymous Referee #1 (27 Apr 2014)

Suggestions for revision or reasons for rejection

The paper presents tests of SW flux calculations in a NWP model. Compared to the initial version the paper has been improved considerably.
One of my major concerns was, that the setup for the reference model (DISORT in the framework of libradtran) was not described, the necessary descriptions have now been added.
The other major concern was about the methodology, I suggested to compare the conversion from microphysical to optical properties and the radiative transfer solvers separately. The authors have now made clear that this is not possible for one of the schemes (hlradia) they compare, and for the other they made separate comparisons and provide results as a supplement.
As presented now, the reader understands the methodology and also the results, i.e. the performance of SW radiation schemes in different conditions. Therefore I recommend to publish the paper technical corrections (see below).

Abstract:

"blue differences" -> What does this term mean in this context, when you look at integrated irradiances, how can the difference have a color?

Introduction:

p.1, right column: "... could by parameterized ..." by -> be

p.1, right column, bottom: The 14 references in the bracket should be moved into the sentence before to clarify, what they are related to.

p.3, Sec 2.1: "... was run for the full SW spectrum of the Kato et al. correlated-k algorithm with absorption ... " -> "was run for the full SW sprectrum using the Kato et al. Correlated-k parameterization which includes absorption ..."

p5: "The primary reason for this decrease (in global radiation) is pressure broadening of the water vapor absorption lines." -> Is this really the reason? Does the line width matter when you integrate over the full spectrum? I don't see why the line broadening should affect the integrated results.

p.14: "In the DISORT version that is currently available in libRadtran the assumption of Lambertian surface reflection is also made" -> This is not true, in libRadtran several BRDFs are available for DISORT.

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ED: Publish subject to minor revisions (Editor review) (05 May 2014) by Volker Grewe

AR by Kristian Pagh Nielsen on behalf of the Authors (21 May 2014) Author's response

ED: Publish as is (02 Jun 2014) by Volker Grewe