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Title: Rebuttal to "Anti-AGW papers debunked"


Andrew - July 6, 2010 01:52 AM (GMT)
Rebuttal to "Anti-AGW papers debunked"

The following is the rebuttal to a list of alleged "debunked" peer-reviewed papers supporting skeptic's arguments compiled at AGW Observer. His "debunking" sources include; unpublished, non-peer-reviewed sources such as comments in blogs and forums; published comments on the original paper that were rebutted by the author; or other independent papers which have also been rebutted. Comments in blogs and forums do not warrant a reply because any valid criticism would follow the established peer-review process of submitting a comment for publication in the same journal, which allows the author of the original paper a chance to publish a rebuttal in defense of their paper. Failure to attempt to publish their criticism(s) means they do not believe their arguments would stand up to peer-review.


Akasofu (2010) – Brisbane Waters, Skeptical Science

Blog posts [Brisbane Waters, Skeptical Science] are not peer-reviewed and do not warrant a reply.


Beck (2007) – Rabett Run, RealClimate.

The only peer-reviewed comment has been rebutted,

- Comments on "180 years of Atmospheric CO2 Gas Analysis by Chemical Methods" (PDF)
(Energy & Environment, Volume 18, Number 5, pp. 641-646, September 2007)
- Ernst-Georg Beck


Blog posts [Rabett Run, RealClimate] are not peer-reviewed and do not warrant a reply.


Carter (2008) – Ward (2010)

Ward (2010) has been rebutted,

- Reply to the Comment of Robert E.T. Ward by Robert M. Carter (PDF)
(Economic Analysis and Policy, Volume 40, Issue 2, pp. 145-146, September 2010)
- Robert M. Carter



Chilingar et al. (2008) – The Science of Doom.

Blog posts [The Science of Doom] are not peer-reviewed and do not warrant a reply.


Chou et al. (2002) – Chambers et al. (2002).

Chambers et al. (2002) has been rebutted,

- Comments on "The Iris Hypothesis: A Negative or Positive Cloud Feedback?" (PDF)
(Journal of Climate, Volume 15, Issue 18, pp. 2713-2715, September 2002)
- Ming-Dah Chou, Richard S. Lindzen, Arthur Y. Hou



Douglass et al. (2007) – Santer et al. (2008), AGW Observer, RealClimate.

Santer et al. (2008) has been rebutted,

- The Consistency of Modeled and Observed Temperature Trends in the Tropical Troposphere: A Comment on Santer et al (PDF)
(Submitted to the International Journal of Climatology, 2009)
- Stephen McIntyre, Ross McKitrick


- Panel and multivariate methods for tests of trend equivalence in climate data series (PDF)
(Atmospheric Science Letters, Volume 11, Issue 4, pp. 270–277, October/December 2010)
- Ross McKitrick, Stephen McIntyre, Chad Herman


Blog posts [AGW Observer, RealClimate] are not peer-reviewed and do not warrant a reply.


Frauenfeld et al. (2011) - Meltfactor.org, Skeptical Science.

Blog posts [Meltfactor.org, Skeptical Science] are not peer-reviewed and do not warrant a reply.


Friis-Christensen & Lassen (1991) – Damon & Peristykh (1999), Laut & Gundermann (2000), Damon & Laut (2004).

* Damon & Peristykh (1999) has not been rebutted.

Laut & Gundermann (2000) is a conference paper (not peer-reviewed) and does not warrant a reply.

Damon & Laut (2004) has been rebutted,

- Comments on the Forum article: "Patterns of Strange Errors Plagues Solar Activity an Terrestrial Climate Data" by P. E. Damon and P. Laut (PDF)
(Danish Space Research Institute, 2005)
- Eigil Friis-Christensen, Henrik Svensmark



Gerlich & Tscheuschner (2009) – Halpern et al. (2010).

Halpern et al. (2010) has been rebutted,

- Reply to "Comment on 'Falsification Of The Atmospheric CO2 Greenhouse Effects Within The Frame Of Physics' by Joshua B. Halpern, Christopher M. Colose, Chris H0-Stuart, Joel D. Shore, Arthur P. Smith, Jorg Zimmermann"
(International Journal of Modern Physics B, Volume 24, Issue 10, pp. 1333-1359, April 2010)
- Gerhard Gerlich, Ralf D. Tscheuschner



Khilyuk & Chilingar (2006) – Aeschbach-Hertig (2006).

Aeschbach-Hertig (2006) has been rebutted,

- Response to W. Aeschbach-Hertig rebuttal of "On global forces of nature driving the Earth’s climate. Are humans involved?" by L. F. Khilyuk and G. V. Chilingar
(Environmental Geology, Volume 54, Number 7, pp. 1567-1572, June 2008)
- L. F. Khilyuk, G. V. Chilingar



Klotzbach et al. (2009) – RealClimate.

Blog posts [RealClimate] are not peer-reviewed and do not warrant a reply.


Knorr (2009) – Skeptical Science, Only In It For The Gold.

Blog posts [Skeptical Science, Only In It For The Gold] are not peer-reviewed and do not warrant a reply.


Lassen & Friis-Christensen (1995) – Laut & Gundermann (2000), Laut (2003) , Damon & Laut (2004).

Laut & Gundermann (2000) is a conference paper (not peer-reviewed) and does not warrant a reply.

Laut (2003) has been rebutted,

- Comments on Peter Laut’s paper: "Solar Activity and terrestrial climate: an analysis of some purported correlations", 2003 (PDF)
(Danish Space Research Institute, 2003)
- Henrik Svensmark


Damon & Laut (2004) has been rebutted,

- Comments on the Forum article: "Patterns of Strange Errors Plagues Solar Activity an Terrestrial Climate Data" by P. E. Damon and P. Laut (PDF)
(Danish Space Research Institute, 2005)
- Eigil Friis-Christensen, Henrik Svensmark



Lassen & Friis-Christensen (2000) – Laut (2003), Damon & Laut (2004).

Laut (2003) has been rebutted,

- Comments on Peter Laut’s paper: "Solar Activity and terrestrial climate: an analysis of some purported correlations", 2003 (PDF)
(Danish Space Research Institute, 2003)
- Henrik Svensmark


Damon & Laut (2004) has been rebutted,

- Comments on the Forum article: "Patterns of Strange Errors Plagues Solar Activity an Terrestrial Climate Data" by P. E. Damon and P. Laut (PDF)
(Danish Space Research Institute, 2005)
- Eigil Friis-Christensen, Henrik Svensmark



Lindzen et al. (2001) – Hartmann & Michelsen (2002), Harrison (2002), Lin et al. (2002), Fu et al. (2002), Del Genio & Kovari (2002), Chambers et al. (2002), Lin et al. (2003), Lin et al. (2004), Rapp et al. (2005).

Hartmann & Michelsen (2002) has been rebutted,

- Comment on "No Evidence for Iris" (PDF)
(Bulletin of the American Meteorological Society, Volume 83, Issue 9, pp. 1345–1349, September 2002)
- Richard S. Lindzen, Ming-Dah Chou, Arthur Y. Hou


Harrison (2002) has been rebutted,

- Reply to Comment on "Does the Earth Have an Adaptive Infrared Iris?" (PDF)
(Bulletin of the American Meteorological Society, Volume 83, Issue 4, pp. 598-600, April, 2002)
- Richard S. Lindzen, Ming-Dah Chou, Arthur Y. Hou


Lin et al. (2002) has been rebutted,

- Comments on "The Iris Hypothesis: A Negative or Positive Cloud Feedback?" (PDF)
(Journal of Climate, Volume 15, Issue 18, September 2002)
- Ming-Dah Chou, Richard S. Lindzen, Arthur Y. Hou


Fu et al. (2002) has been rebutted,

- Reply to: "Tropical cirrus and water vapor: an effective Earth infrared iris feedback?" (PDF)
(Atmospheric Chemistry and Physics, Volume 2, Issue 2, pp. 99-101, May 2002)
- Ming-Dah Chou, Richard S. Lindzen, Arthur Y. Hou


Del Genio & Kovari (2002) has been rebutted,

- Comments on "Examination of the Decadal Tropical Mean ERBS Nonscanner Radiation Data for the Iris Hypothesis"
(Journal of Climate, Volume 18, Issue 12, pp.2123-2127, June 2005)
- Ming-Dah Chou, Richard S. Lindzen


Chambers et al. (2002) has been rebutted,

- Comments on "The Iris Hypothesis: A Negative or Positive Cloud Feedback?" (PDF)
(Journal of Climate, Volume 15, Issue 18, pp. 2713-2715, September 2002)
- Ming-Dah Chou, Richard S. Lindzen, Arthur Y. Hou


Lin et al. (2003) is a conference paper (not peer-reviewed) and does not warrant a reply.

Lin et al. (2004) has been rebutted,

- Comments on "Examination of the Decadal Tropical Mean ERBS Nonscanner Radiation Data for the Iris Hypothesis"
(Journal of Climate, Volume 18, Issue 12, pp.2123-2127, June 2005)
- Ming-Dah Chou, Richard S. Lindzen


Rapp et al. (2005) has been rebutted,

- Comment on "Variations of tropical upper tropospheric clouds with sea surface temperature and implications for radiative effects" by H. Su et al. (PDF)
(Journal of Geophysical Research, Volume 115, 2010)
- Roberto Rondanelli, Richard S. Lindzen



Lindzen & Choi (2009) – Trenberth et al. (2010), Lin et al. (2010), Murphy (2010), AGW Observer, RealClimate, Dot Earth.

Trenberth et al. (2010), Lin et al. (2010), Murphy (2010) have been rebutted,

- On the observational determination of climate sensitivity and its implications (PDF)
(Submitted to Journal of Geophysical Research, February 2010)
- Richard S. Lindzen, Yong-Sang Choi


Blog posts [AGW Observer, RealClimate, Dot Earth] are not peer-reviewed and do not warrant a reply.


Lu (2009) – Skeptical Science.

Not on the list.

Blog posts [Skeptical Science] are not peer-reviewed and do not warrant a reply.


Loehle (2007) – RealClimate, Strange Weather, OSS foundation, my post at BAUT-forum.

The only peer-reviewed comment has been rebutted,

- Reply To: Comments on Loehle, "correction To: A 2000-Year Global Temperature Reconstruction Based on Non-Tree Ring Proxies"
(Energy & Environment, Volume 19, Number 5, pp. 775-776, September 2008)
- Craig Loehle


A correction for this paper has been published,

- Correction to: A 2000-Year Global Temperature Reconstruction Based on Non-Tree Ring Proxies (PDF)
(Energy & Environment, Volume 19, Number 1, pp. 93-100, January 2008)
- Craig Loehle


Blog posts [RealClimate, Strange Weather, OSS foundation, my post at BAUT-forum] are not peer-reviewed and do not warrant a reply.


Loehle (2009) – Skeptical Science.

Blog posts [Skeptical Science] are not peer-reviewed and do not warrant a reply.


Lyman et al. (2006) – Willis et al. (2007), Willis et al. (2009), Earth Observatory.

Not on the list.

Blog posts [Earth Observatory] are not peer-reviewed and do not warrant a reply.


Marsh & Svensmark (2000) – Laut (2003).

Laut (2003) has been rebutted,

- Comments on Peter Laut’s paper: "Solar Activity and terrestrial climate: an analysis of some purported correlations", 2003 (PDF)
(Danish Space Research Institute, 2003)
- Henrik Svensmark



McIntyre & McKitrick (2003) – Wahl & Ammann (2007).

Wahl & Ammann (2007) has been rebutted,

- How do we “know ” that 1998 was the warmest year of the millennium? (PDF)
(Presentation at Ohio State University, May 2008)
- Stephen McIntyre


- Auditing Temperature Reconstructions of the Past 1000 Years (PDF)
(International Seminar on Nuclear War and Planetary Emergencies, 40th Session, pp. 69-84, August 2008)
- Stephen McIntyre



McIntyre & McKitrick (2005) – von Storch & Zorita (2005), Mann et al. (2007), Wahl & Ammann (2007).

von Storch & Zorita (2005) has been rebutted,

- Reply to comment by von Storch and Zorita on "Hockey sticks, principal components, and spurious significance" (PDF)
(Geophysical Research Letters, Volume 32, October 2005)
- Stephen McIntyre, Ross McKitrick


Mann et al. (2007) has been rebutted,

- Proxy inconsistency and other problems in millennial paleoclimate reconstructions (PDF)
(Proceedings of the National Academy of Sciences, Volume 106, Number 6, February 2009)
- Stephen McIntyre, Ross McKitrick


- A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures Over the Last 1000 Years Reliable? (PDF)
(Annals of Applied Statistics, Volume 4, Number 3, September 2010)
- Blakeley B. McShane, Abraham J. Wyner


Wahl & Ammann (2007) has been rebutted,

- How do we “know ” that 1998 was the warmest year of the millennium? (PDF)
(Presentation at Ohio State University, May 2008)
- Stephen McIntyre


- Auditing Temperature Reconstructions of the Past 1000 Years (PDF)
(International Seminar on Nuclear War and Planetary Emergencies - 40th Session, pp. 69-84, August 2008)
- Stephen McIntyre



McKitrick & Michaels (2007) – Skeptical Science.

Blog posts [Skeptical Science] are not peer-reviewed and do not warrant a reply.


McLean et al. (2009) – Foster et al. (2010), Tamino, James’ Empty blog, Only In It For The Gold, Deep Climate, Skeptical Science.

A correction to this paper has been published,

- Correction to "Influence of the Southern Oscillation on tropospheric temperature"
(Journal of Geophysical Research, Volume 114, October 2009)
- John D. McLean, Chris de Freitas, Robert M. Carter


Foster et al. (2010) has been rebutted,

- Response to "Comment on ‘Influence of the Southern Oscillation on tropospheric temperature'" by Foster et al. (PDF)
(Submitted to the Journal of Geophysical Research, 2010)
- John D. McLean, Chris de Freitas, Robert M. Carter


Blog posts [Tamino, James’ Empty blog, Only In It For The Gold, Deep Climate, Skeptical Science] are not peer-reviewed and do not warrant a reply.


McShane & Wyner (2010) – Rougier (2010), Smerdon (2010), Davis & Liu (2010), Schmidt et al. (2010), Tingley (2010), Rajaratnam & Craigmile (2010), Haran & Urban (2010), Berliner (2010), Wahl & Ammann (2010), Nychka & Li (2010), Kaplan (2010), Deltoid, Rabett Run, Climate Progress, The Policy Lass.

Rougier (2010), Smerdon (2010), Davis & Liu (2010), Schmidt et al. (2010), Tingley (2010), Rajaratnam & Craigmile (2010), Haran & Urban (2010), Berliner (2010), Wahl & Ammann (2010), Nychka & Li (2010), Kaplan (2010) have been rebutted,

- Discussion of McShane and Wyner (2010) (PDF)
(Annals of Applied Statistics, Volume 4, Number 3, September 2010)
- Stephen McIntyre, Ross McKitrick


- Rejoinder: A Statistical Analysis of Multiple Temperature Proxies: Are Reconstructions of Surface Temperatures over the Last 1000 Years Reliable? (PDF)
(Annals of Applied Statistics, Volume 4, Number 3, September 2010)
- Blakeley B. McShane, Abraham J. Wyner


Blog posts [Deltoid, Rabett Run, Climate Progress, The Policy Lass] are not peer-reviewed and do not warrant a reply.


Miskolczi (2007) – Rabett Run, Science of Doom, Barton Paul Levenson.

Blog posts [Rabett Run, Science of Doom, Barton Paul Levenson] are not peer-reviewed and do not warrant a reply.


Palle et al. (2004) – Wielicki et al. (2005), Evan et al. (2007), Loeb et al. (2007), Skeptical Science.

Wielicki et al. (2005) has been rebutted,

- A multi-data comparison of shortwave climate forcing changes (PDF)
(Geophysical Research Letters, Volume 32, Issue 21, November 2005)
- E. Palle et al.


- Interannual variations in Earth's reflectance 1999–2007 (pdf)
(Journal of Geophysical Research, Volume 114, Issue 9, February 2009)
- E. Palle et al.


Evan et al. (2007) does not criticize Palle et al. (2004).

Loeb et al. (2007) has been rebutted,

- Interannual variations in Earth's reflectance 1999–2007 (pdf)
(Journal of Geophysical Research, Volume 114, Issue 9, February 2009)
- E. Palle et al.


Blog posts [Skeptical Science] are not peer-reviewed and do not warrant a reply.


Palle et al. (2005) – Bender (2006).

Bender (2006) has been rebutted,

Reply to comment by F. A-M. Bender on "A multi-data comparison of shortwave climate forcing changes" (PDF)
(Geophysical Research Letters, Volume 33, Issue 15, August 2006)
- E. Palle



Pielke et al. (2007) – Parker et al. (2009)

Parker et al. (2009) has been rebutted,

- Reply to comment by David E. Parker et al. on "Unresolved issues with the assessment of multidecadal global land surface temperature trends" (PDF)
(Journal of Geophysical Research, Volume 114, Issue D5, 2009)
- Roger A. Pielke Sr. et al.



Samanta et al. (2010) – Scientists' statement, RealClimate, Deltoid, Only in it for the gold.

Not on the list.

Blog posts [Scientists' statement, RealClimate, Deltoid, Only in it for the gold] are not peer-reviewed and do not warrant a reply.


Scafetta & West (2003) – Rypdal & Rypdal (2009), Rabett Run.

Rypdal & Rypdal (2009) has been rebutted,

- Comment on "Testing Hypotheses about Sun-Climate Complexity Linking" (PDF)
(Physical Review Letters, Volume 105, Issue 21, November 2010)
- Nicola Scafetta, Bruce J. West


Blog posts [Rabett Run] are not peer-reviewed and do not warrant a reply.


Scafetta & West (2005) – Lean (2006), Benestad & Schmidt (2009), RealClimate.

Lean (2006) has been rebutted,

- Reply to comment by J. L. Lean on "Estimated solar contribution to the global surface warming using the ACRIM TSI satellite composite" (PDF)
(Geophysical Research Letters, Volume 33, Issue 15, August 2006)
- Nicola Scafetta, Bruce J. West


Benestad & Schmidt (2009) has been rebutted,

- 'Solar trends and global warming', a reply
(Submitted to Journal of Geophysical Research, 2010)
- Nicola Scafetta, Bruce J. West


Blog posts [RealClimate] are not peer-reviewed and do not warrant a reply.


Scafetta & West (2006a) – Benestad & Schmidt (2009), RealClimate.

Benestad & Schmidt (2009) has been rebutted,

- 'Solar trends and global warming', a reply
(Submitted to Journal of Geophysical Research, 2010)
- Nicola Scafetta, Bruce J. West


Blog posts [RealClimate] are not peer-reviewed and do not warrant a reply.


Scafetta & West (2006b) – Benestad & Schmidt (2009), RealClimate.

Benestad & Schmidt (2009) has been rebutted,

- 'Solar trends and global warming', a reply
(Submitted to Journal of Geophysical Research, 2010)
- Nicola Scafetta, Bruce J. West


Blog posts [RealClimate] are not peer-reviewed and do not warrant a reply.


Scafetta & West (2007) – Benestad & Schmidt (2009), RealClimate.

Benestad & Schmidt (2009) has been rebutted,

- 'Solar trends and global warming', a reply
(Submitted to Journal of Geophysical Research, 2010)
- Nicola Scafetta, Bruce J. West


Blog posts [RealClimate] are not peer-reviewed and do not warrant a reply.


Scafetta & West (2008) – Benestad & Schmidt (2009), RealClimate.

Benestad & Schmidt (2009) has been rebutted,

- 'Solar trends and global warming', a reply
(Submitted to Journal of Geophysical Research, 2010)
- Nicola Scafetta, Bruce J. West


Blog posts [RealClimate] are not peer-reviewed and do not warrant a reply.


Scafetta & Willson (2009) - Krivova et al. (2009), Rabett Run, Skeptical Science.

* Krivova et al. (2009) comment,
QUOTE
Their argument is foolish. First they calibrate their SATIRE model on PMOD, and then they claim to have disproven ACRIM. You need to read our paper, "ACRIM-gap and Total Solar Irradiance (TSI) trend issue resolved using a surface magnetic flux TSI proxy model", To understand that Krivova, S. K. Solanki, T. Wenzler were not able to disprove our original argument, so they changed their model of reference."

- Nicola Scafetta (Source: Watts Up With That? December 20, 2011)

Blog posts [Rabett Run, Skeptical Science] are not peer-reviewed and do not warrant a reply.


Schwartz (2007) – Foster et al. (2008), Knutti et al. (2008), Schwartz (2008), Skeptical Science, James Annan, Tamino.

Foster et al. (2008) and Knutti et al. (2008) have been rebutted,

- Reply to comments by G. Foster et al., R. Knutti et al., and N. Scafetta on "Heat capacity, time constant, and sensitivity of Earth's climate system" (PDF)
(Journal of Geophysical Research, Volume 113, Issue D15, August 2008)
- Stephen E. Schwartz


Schwartz (2008) is not a rebuttal of Schwartz (2007), it is a rebuttal of Foster et al. (2008) and Knutti et al. (2008).

Blog posts [Skeptical Science, James Annan, Tamino] are not peer-reviewed and do not warrant a reply.


Schwartz et al. (2010) – AGW Observer, James Annan.

Blog posts [AGW Observer, James Annan] are not peer-reviewed and do not warrant a reply.


Shapiro et al. (2011) – Skeptical Science.

Blog posts [Skeptical Science] are not peer-reviewed and do not warrant a reply.


Solomon et al. (2010) – Skeptical Science, RealClimate, Dot Earth.

Not on the list.

Blog posts [Skeptical Science, RealClimate, Dot Earth] are not peer-reviewed and do not warrant a reply.


Soon & Baliunas (2003) – Jones & Mann (2004), Osborn & Briffa (2006), Juckes et al. (2007)

Jones & Mann (2004) has been rebutted,

- The M&M Critique of the MBH98 Northern Hemisphere Climate Index: Update and Implications (PDF)
(Energy & Environment, Volume 16, Number 1, pp. 69-100, January 2005)
- Stephen McIntyre, Ross McKitrick


Osborn & Briffa (2006) has been rebutted,

- Comment on "The Spatial Extent of 20th-Century Warmth in the Context of the Past 1200 Years" (PDF)
(Science, Volume 316, Number 5833, pp. 1844, June 2007)
- Gerd Bürger


Juckes et al. (2007) comments on Soon & Baliunas (2003) by citing Jones & Mann (2004) and Osborn & Briffa (2006) which have been rebutted.


Spencer et al. (2007) – Lin et al. (2011).

* Lin et al. (2011) has not been rebutted.


Spencer & Braswell (2008) – Lin et al. (2011), Murphy & Forster (2010), Dessler (2010), Barry Bickmore.

* Lin et al. (2011) has not been rebutted.

Murphy & Forster (2010) has been rebutted,

- Comments on the Murphy & Forster (2010) Critique of Spencer & Braswell (2008) (Roy W. Spencer, July 2010)

Dessler (2010) has been rebutted,

- On the Misdiagnosis of Surface Temperature Feedbacks from Variations in Earth’s Radiant Energy Balance (PDF)
(Remote Sensing, Volume 3, Issue 8, pp. 1603-1613, August 2011)
- Roy W. Spencer, William D. Braswell


- On the Observational Determination of Climate Sensitivity and Its Implications (PDF)
(Asia-Pacific Journal of Atmospheric Sciences, Volume 47, Number 4, pp. 377-390, August 2011)
- Richard S. Lindzen, Yong-Sang Choi


Blog posts [Barry Bickmore] are not peer-reviewed and do not warrant a reply.


Spencer & Braswell (2009) – Lin et al. (2011).

* Lin et al. (2011) has not been rebutted.


Spencer & Braswell (2010) – Dessler (2010).

Dessler (2010) has been rebutted,

- On the Misdiagnosis of Surface Temperature Feedbacks from Variations in Earth’s Radiant Energy Balance (PDF)
(Remote Sensing, Volume 3, Issue 8, pp. 1603-1613, August 2011)
- Roy W. Spencer, William D. Braswell


- On the Observational Determination of Climate Sensitivity and Its Implications (PDF)
(Asia-Pacific Journal of Atmospheric Sciences, Volume 47, Number 4, pp. 377-390, August 2011)
- Richard S. Lindzen, Yong-Sang Choi



Spencer & Braswell (2011) – Dessler (2011), Trenberth et al. (2011), RealClimate, LiveScience, Global Warming: Man or Myth?.

Dessler (2011) has been rebutted,

- My Initial Comments on the New Dessler 2011 Study (Roy W. Spencer, September 2011)

* Trenberth et al. (2011) has not been rebutted.

Blog posts [RealClimate, LiveScience, Global Warming: Man or Myth?] are not peer-reviewed and do not warrant a reply.


Svensmark & Friis-Christensen (1997) – Laut (2003), AGW Observer.

Laut (2003) has been rebutted,

- Comments on Peter Laut’s paper: "Solar Activity and terrestrial climate: an analysis of some purported correlations", 2003 (PDF)
(Danish Space Research Institute, 2003)
- Henrik Svensmark


Blog posts [AGW Observer] are not peer-reviewed and do not warrant a reply.


Svensmark (1998) – Laut (2003).

Laut (2003) has been rebutted,

- Comments on Peter Laut’s paper: "Solar Activity and terrestrial climate: an analysis of some purported correlations", 2003 (PDF)
(Danish Space Research Institute, 2003)
- Henrik Svensmark



Svensmark et al. (2009) – Kulmala et al. (2009), Laken et al. (2009), Calogovic et al. (2010), The Way Things Break.

* Laken et al. (2009), Kulmala et al. (2009) comment,
QUOTE
"Well the first paper [Laken et al. (2009)] does not really contain any real statistical analysis of the situation, and some of their conclusions seems to be weak/unfounded.

We do mention some of the problems with a few of the papers that claim not to seen a signal, in the following discussion paper where we look at cloud microphysical parameters during Forbush decreases. 

http://www.atmos-chem-phys-discuss.net/12/...-3595-2012.html

The second paper [Kulmala et al. (2009)] is particle nucleation in a forest in Finland where the conditions are very local. Not really relevant for oceans for example …. I think that Yu has made some comment to their interpretations and claim that the actual fraction of ion-nucleated particles could be much larger. This is also consistent with our results from 2006 and recently were the ions are reused in forming H2SO4 leaving the products neutral. So one cannot subsequently see if an ion mechanism made the cluster, and if the cluster is charged when it is ~2 nm is independent of the origin of the aerosol.

So none of these papers, in my opinion, are raising any real problems – although they claim to do.

The signals we are looking for are small compared to the noise produced weather, and if one does not make optimal conditions to see the signal, it is easy to say the none exist."

- Henrik Svensmark (Source: Email Correspondence)

* Calogovic et al. (2010) comment,
QUOTE
"I can report that Svensmark laughed when he read the paper from Arnold’s group. Where his own team studied three different satellite data sets and 26 Forbush decreases, Arnold’s took just one data set (ISCCP) and only six events – those ranking 4th, 10th to 13th, and 26th, in Svensmark, Bondo and Svensmark’s assessment of effects on cosmic rays reaching the lower atmosphere. In the Danes’ plot of all their ISCCP results (see above) all but one of the Swiss-German selection have “strengths” between 33 % and 69 %, where any reduction in clouds is similar to the uncertainty. “Of course they couldn’t see anything,” Svensmark said to me."

- Nigel Calder (Source: Do clouds disappear when cosmic rays get weaker? March 5, 2010)

Blog posts [The Way Things Break] are not peer-reviewed and do not warrant a reply.


Thejll & Lassen (2000) – Laut (2003).

Laut (2003) has been rebutted,

- Comments on Peter Laut’s paper: "Solar Activity and terrestrial climate: an analysis of some purported correlations", 2003 (PDF)
(Danish Space Research Institute, 2003)
- Henrik Svensmark




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