Richard Lindzen

Richard Lindzen
Richard S. Lindzen
Born 8 February 1940 (1940-02-08) (age 71)
Webster, Massachusetts
Fields Atmospheric physics
Institutions Massachusetts Institute of Technology
Alma mater Harvard University
Doctoral advisor Richard M. Goody
Notable students Siu-shung Hong, John Boyd, Edwin K. Schneider, Jeffrey M. Forbes, Ka-Kit Tung, Daniel Kirk-Davidoff, Christopher Snyder, Gerard Roe
Known for Dynamic Meteorology, Atmospheric tides, Ozone photochemistry, quasi-biennial oscillation, Iris hypothesis
Notable awards NCAR Outstanding Publication Award, Member of the NAS, AMS Meisinger Award, AMS Charney Award, AGU Macelwane Award, Leo Prize of the Wallin Foundation

Richard Siegmund Lindzen (born February 8, 1940) is an American atmospheric physicist and Alfred P. Sloan Professor of Meteorology at the Massachusetts Institute of Technology. Lindzen is known for his work in the dynamics of the middle atmosphere, atmospheric tides and ozone photochemistry. He has published more than 200 scientific papers and books.[1] He was a lead author of Chapter 7, 'Physical Climate Processes and Feedbacks,' of the IPCC Third Assessment Report on climate change. He is a well known skeptic of global warming[2] and critic of what he states are political pressures on climate scientists to conform to what he has called climate alarmism.[3]



Lindzen attended the Bronx High School of Science (winning Regents' and National Merit Scholarships,) Rensselaer Polytechnic Institute and Harvard University.[4] From Harvard, he received an A.B. in Physics in 1960, followed by an S.M. in Applied Mathematics in 1961 and then a Ph.D. in Applied Mathematics in 1964. His doctoral thesis, entitled Radiative and photochemical processes in strato- and mesospheric dynamics, concerned the interactions of ozone photochemistry, radiative transfer and dynamics in the middle atmosphere.


Lindzen has published papers on Hadley circulation, monsoon meteorology, planetary atmospheres, hydrodynamic instability, mid-latitude weather, global heat transport, the water cycle, ice ages, seasonal atmospheric effects. His main contribution to the academic literature on anthropogenic climate change is his proposal of the iris hypothesis in 2001, with co-authors Ming-Dah Chou and Arthur Y. Hou.[5][6] He is a member of the National Academy of Sciences and the Science, Health, and Economic Advisory Council at the Annapolis Center for Science-Based Public Policy. Educated at Harvard University (Ph.D., '64, S.M., '61, A.B., '60), he moved to MIT in 1983, prior to which he held positions at the University of Washington (1964–1965), Institute for Theoretical Meteorology, University of Oslo (1965–1966), National Center for Atmospheric Research (NCAR) (1966–1967), University of Chicago (1968–1972) and Harvard University (1972–1983). He also briefly held a position of Visiting Lecturer at UCLA in 1967.[7] As of January 2010, his publications list included 230 papers and articles published between 1965 and 2008, with five in process for 2009. He is the author of a standard textbook on atmospheric dynamics, and co-authored the monograph Atmospheric Tides with Sydney Chapman.[8]

Early work (1964-1972)

Lindzen's early work was concerned with ozone photochemistry, the aerodynamics of the middle atmosphere, the theory of atmospheric tides, and planetary waves. His work in these areas led him to a number of fundamental mathematical and scientific discoveries, including the discovery of negative equivalent depths in classical tidal theory, explanations for both the quasi-biennial oscillation of the Earth's stratosphere and the four day period of the superrotation of the Venus atmosphere above the cloud top.

Ozone photochemistry

His Ph.D. thesis of 1964 concerned the interactions of ozone photochemistry, radiative transfer and the dynamics of the middle atmosphere. This formed the basis of his seminal Radiative and Photochemical Processes in Mesospheric Dynamics that was published in four parts in the Journal of the Atmospheric Sciences between 1965 and 1966.[9][10][11][12] The first of these, Part I: Models for Radiative and Photochemical Processes, was co-authored with his Harvard colleague and former Ph.D. thesis advisor, Richard M. Goody, who is well known for his 1964 textbook Atmospheric Radiation.[13] The Lindzen and Goody (1965) study has been widely cited as foundational in the exact modeling of middle atmosphere ozone photochemistry. This work was extended in 1973 to include the effects of nitrogen and hydrogen reactions with his former Ph.D. student, Donna Blake, in Effect of photochemical models on calculated equilibria and cooling rates in the stratosphere.[14]

Lindzen's work on ozone photochemistry has been important in studies that look at the effects that anthropogenic ozone depletion will have on climate.[15]

Atmospheric tides

Since the time of Laplace (1799),[16] scientists had been puzzled as to why pressure variations measured at the Earth's surface associated with the semi-diurnal solar tide dominate those of the diurnal tide in amplitude, when intuitively one would expect the diurnal (daily) passage of the sun to dominate. Lord Kelvin (1882) had proposed the so-called "resonance" theory, wherein the semi-diurnal tide would be "selected" over the diurnal oscillation if the atmosphere was somehow able to oscillate freely at a period of very close to 12 hours, in the same way that overtones are selected on a vibrating string. By the second half of the twentieth century, however, observations had failed to confirm this hypothesis, and an alternative hypothesis was proposed that something must instead suppress the diurnal tide. In 1961, Manfred Siebert suggested that absorption of solar insolation by tropospheric water vapour might account for the reduction of the diurnal tide.[17] However, he failed to include a role for stratospheric ozone. This was rectified in 1963 by the Australian physicist Stuart Thomas Butler and his student K.A. Small who showed that stratospheric ozone absorbs an even greater part of the solar insolation.[18]

Nevertheless, the predictions of classical tidal theory still did not agree with observations. It was Lindzen, in his 1966 paper, On the theory of the diurnal tide,[19] who showed that the solution set of Hough functions given by Bernard Haurwitz[20] to Laplace's tidal equation was incomplete: modes with negative equivalent depths had been omitted.[21] Lindzen went on to calculate the thermal response of the diurnal tide to ozone and water vapor absorption in detail and showed that when his theoretical developments were included, the surface pressure oscillation was predicted with approximately the magnitude and phase observed, as were most of the features of the diurnal wind oscillations in the mesosphere.[22] In 1967, along with his NCAR colleague, Douglas D. McKenzie, Lindzen extended the theory to include a term for Newtonian cooling due to emission of infrared radiation by carbon dioxide in the stratosphere along with ozone photochemical processes,[23] and then in 1968 he showed that the theory also predicted that the semi-diurnal oscillation would be insensitive to variations in the temperature profile, which is why it is observed so much more strongly and regularly at the surface.[24]

While holding the position of Research Scientist at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado, Lindzen was noticed and befriended by Professor Sydney Chapman, who had contributed to the theory of atmospheric tides in a number of papers from the 1920s through to the 1940s. This led to their joint publication in 1969 of a 186 page monograph (republished in 1970 as a book) Atmospheric Tides.[25][26]

Quasi-biennial oscillation

Although it wasn't realized at the time, the quasi-biennial oscillation (QBO) was observed during the 1883 eruption of Krakatoa, when the ash from the volcano was transported around the globe from east to west by stratospheric winds in about two weeks. These winds became known as the "Krakatoa easterlies". It was observed again in 1908, by the German meteorologist Arthur Berson, who saw that winds blow from the west at 15 km (9.32 mi) altitude in tropical Africa from his balloon experiments. These became known as the "Berson westerlies." However, it was not until the early 1960s that the ~ 26 month cycle of the QBO was first described, independently by Richard J. Reed in 1960 and Veryhard and Ebdon in 1961.

Lindzen recalls his discovery of the mechanism underlying the QBO in the semi-autobiographical review article, On the development of the theory of the QBO.[27] His interest in the phenomenon began in 1961 when his Ph.D. advisor, Richard M. Goody, speculated that the 26 month relaxation time for stratospheric ozone at 25 km (15.53 mi) in the tropics might somehow be related to the 26 month period of the QBO, and suggested investigation of this idea as a thesis topic. In fact, Lindzen's, Radiative and photochemical processes in mesospheric dynamics, Part II: Vertical propagation of long period disturbances at the equator, documented the failure of this attempt to explain the QBO.[28]

Lindzen's work on atmospheric tides led him to the study of planetary waves and the general circulation of atmospheres. By 1967, he had contributed a number papers on the theory of waves in the middle atmosphere. In Planetary waves on beta planes, he developed a beta plane approximation for simplifying the equations of classical tidal theory, whilst at the same time developing planetary wave relations. He noticed from his equations that eastward-traveling waves (known as Rossby waves since their discovery in 1939 by Carl-Gustav Rossby) and westward-traveling waves (which Lindzen himself helped in establishing as "atmospheric Kelvin waves") with periods less than five days were "vertically trapped." At the same time, an important paper by Booker and Bretherton (1967) appeared, which Lindzen read with great interest. Booker and Bretherton showed that vertically propagating gravity waves were completely absorbed at a critical level.

In his 1968 paper with James R. Holton, A theory of the quasi-biennial oscillation,[29] Lindzen presented his theory of the QBO after testing it in a two-dimensional (2-D) numerical model that had been developed by Holton and John M. Wallace.[30] They showed that the QBO could be driven by vertically propagating gravity waves with phase speeds in both westward and eastward directions and that the oscillation arose through a mechanism involving a two-way feedback between the waves and the mean flow. It was a bold conjecture, given that there was very little observational evidence available to either confirm or confute the hypothesis. In particular, there was still no observational evidence of the westward-traveling "Kelvin" waves; Lindzen postulated their existence theoretically.[31]

In the years following the publication of Lindzen and Holton (1968), more observational evidence became available, and Lindzen's fundamental insight into the mechanism driving the QBO was confirmed. However, the theory of interaction via critical level absorption was found to be incomplete and was modified to include the importance of attenuation due to radiative cooling. The revised theory was published in the Holton and Lindzen (1972) paper, An updated theory for the quasibiennial cycle of the tropical stratosphere.[32]

Superrotation of Venus

Since the 1960s a puzzling phenomenon has been observed in the atmosphere of Venus whereat the atmosphere above the cloud base is seen to travel around the planet about 50 times faster than the rotation of the planet surface, or in only four to five Earth-days.[33] In 1974 a theory was proposed by Stephen B. Fels and Lindzen to explain this so-called "superrotation" which held that the rotation is driven by the thermal atmospheric tide.[34] An alternative theory was proposed by Peter J. Gierasch in the following year which held instead that the meridional (Hadley) circulation may transport the momentum by eddy-mixing.[35] The actual cause of this phenomenon continues to be debated in the literature, with GCM experiments suggesting that both the Fels/Lindzen and Gierasch mechanisms are involved.[36]

Middle period (1972-1990)

Recent work (1990-present)

Climate sensitivity

Lindzen hypothesized that the Earth may act like an infrared iris. A sea surface temperature increase in the tropics would result in reduced cirrus clouds and thus more infrared radiation leakage from Earth's atmosphere.[37] This hypothesis suggests a negative feedback which would counter the effects of CO2 warming by lowering the climate sensitivity. Satellite data from CERES has led researchers investigating Lindzen's theory to conclude that the Iris effect would instead warm the atmosphere.[38][39] Lindzen has expressed his concern over the validity of computer models used to predict future climate change. Lindzen said that predicted warming may be overestimated because of inadequate handling of the climate system's water vapor feedback. The feedback due to water vapor is a major factor in determining how much warming would be expected to occur with increased atmospheric concentrations of carbon dioxide. Lindzen said that the water vapor feedback could act to nullify future warming.[40] This claim has been sharply criticised. Contrary to the IPCC's assessment, Lindzen said that climate models are inadequate. Despite accepted errors in their models, e.g., treatment of clouds, modelers still thought their climate predictions were valid.[41] Lindzen has stated that due to the non-linear effects of carbon dioxide in the atmosphere, CO2 levels are now around 30% higher than pre-industrial levels but temperatures have responded by about 75% 0.6 °C (1.08 °F) of the expected value for a doubling of CO2. The IPCC (2007) estimates that the expected rise in temperature due to a doubling of CO2 to be about 3 °C (5.40 °F). Lindzen has given estimates of the Earth's climate sensitivity of less than 1 degree Celsius, based on analysis of volcanic eruptions and satellite data from the topics.[42] These estimates have been criticized by other researchers[43] James E. Hansen, a climate scientist at the Goddard Institute for Space Studies, estimated a climate sensitivity of 3–4 degrees Celsius based on evidence from ice cores,[41] and this figure is consistent with those derived from other lines of inquiry.

NAS panel

In 2001 Lindzen served on an 11-member panel organized by the National Academy of Sciences.[44] The panel's report, entitled Climate Change Science: An Analysis of Some Key Questions,[45] has been widely cited. Lindzen subsequently publicly criticized the report summary for leaving out doubts about the weight that could be placed on 20 years of temperature records.[46]

IPCC activities

Lindzen worked on Chapter 7 of 2001 IPCC Working Group 1, which considers the physical processes that are active in real world climate. He had previously been a contributor to Chapter 4 of the 1995 "IPCC Second Assessment." He described the full 2001 IPCC report as "an admirable description of research activities in climate science"[47] although he criticized the Summary for Policymakers. Lindzen stated in May 2001 that it did not truly summarize the IPCC report[48] but had been amended to state more definite conclusions.[49] He also emphasized the fact that the summary had not been written by scientists alone. The NAS panel on which Lindzen served says that the summary was the result of dialogue between scientists and policymakers.[50][51]

Kyoto Accord

Of the Kyoto Accord, he has said that it is widely agreed that the Kyoto Protocol, by itself, will do "almost nothing" to stabilize atmospheric CO2 levels. He was vocal in advocating to the Bush Administration not to ratify the Kyoto Protocol as he believed it would increase the cost of electricity for no gain and put signatory states at a competitive disadvantage.[52]

Views on climate change

He has long opposed the conventional consensus on global warming, pointing out that scientists are just as liable to err when the science appears to point in just one direction. He drew an analogy in 1996 between the consensus in the early and mid-twentieth century on eugenics and the current consensus about global warming.[53] In a 2007 interview on the Larry King Show, Lindzen said:[54]

"we're talking of a few tenths of a degree change in temperature. None of it in the last eight years, by the way. And if we had warming, it should be accomplished by less storminess. But because the temperature itself is so unspectacular, we have developed all sorts of fear of prospect scenarios -- of flooding, of plague, of increased storminess when the physics says we should see less.

I think it's mainly just like little kids locking themselves in dark closets to see how much they can scare each other and themselves."

In a 2009 editorial in the Wall Street Journal, Lindzen points out that the earth was just emerging from the "Little Ice Age" in the 19th century and concludes that it is "not surprising" to see warming after that. He goes on to state that the IPCC claims were[55]

"based on the weak argument that the current models used by the IPCC couldn't reproduce the warming from about 1978 to 1998 without some forcing, and that the only forcing that they could think of was man. Even this argument assumes that these models adequately deal with natural internal variability—that is, such naturally occurring cycles as El Niño, the Pacific Decadal Oscillation, the Atlantic Multidecadal Oscillation, etc.

Yet articles from major modeling centers acknowledged that the failure of these models to anticipate the absence of warming for the past dozen years was due to the failure of these models to account for this natural internal variability. Thus even the basis for the weak IPCC argument for anthropogenic climate change was shown to be false."

Third-party characterizations of Lindzen

The New York Times article included the comments of several other experts. Jerry Mahlman, director of the Geophysical Fluid Dynamics Laboratory, did not accept Lindzen's assessment of the science, and said that Lindzen had "sacrificed his luminosity by taking a stand that most of us feel is scientifically unsound." Mahlman did, however, admit that Lindzen was a "formidable opponent." William Gray of Colorado State University basically agreed with Lindzen, describing him as "courageous." He said, "A lot of my older colleagues are very skeptical on the global warming thing." He added that whilst he regarded some of Lindzen's views as flawed, he said that, "across the board he's generally very good." John Wallace of the University of Washington agreed with Lindzen that progress in climate change science had been exaggerated, but said there are "relatively few scientists who are as skeptical of the whole thing as Dick [Lindzen] is."[40]

The November 10, 2004 online version of Reason magazine reported that Lindzen is "willing to take bets that global average temperatures in 20 years will in fact be lower than they are now."[56] James Annan, a scientist involved in climate prediction, contacted Lindzen to arrange a bet. Annan and Lindzen exchanged proposals for bets, but were unable to agree. Lindzen's final proposal was a bet that if the temperature change were less than 0.2 °C (0.36 °F), he would win. If the temperature change were between 0.2 °C (0.36 °F) and 0.4 °C (0.72 °F) the bet would be off, and if the temperature change were 0.4 °C (0.72 °F) or greater, Annan would win. He would take 2 to 1 odds.[57]

Lindzen has been characterized as a contrarian, in relation to climate change and other issues.[58][59][60] Lindzen's graduate students describe him as "fiercely intelligent, with a deep contrarian streak." [61]

Awards and honors

Lindzen is a recipient of the American Meteorological Society's Meisinger and Charney Awards, American Geophysical Union's Macelwane Medal, and the Leo Prize from the Wallin Foundation in Goteborg, Sweden. He is a member of the National Academy of Sciences (NAS), and the Norwegian Academy of Science and Letters, and was named Fellow of the American Academy of Arts and Sciences, the American Association for the Advancement of Sciences, the American Geophysical Union, and the American Meteorological Society. He is a corresponding member of the NAS Committee on Human Rights, and a member of the United States National Research Council Board on Atmospheric Sciences and Climate. He was a consultant to the Global Modeling and Simulation Group at NASA's Goddard Space Flight Center, and a Distinguished Visiting Scientist at California Institute of Technology's Jet Propulsion Laboratory. Lindzen is an ISI highly cited researcher,[62] and his biography has been included in American Men and Women of Science.[63]

See also

  • Scientists opposing the mainstream scientific assessment of global warming


  1. ^ "Curriculum Vitae of Richard Siegmund Lindzen". Retrieved 16 June 2009. 
  2. ^ Stevens, William K. (June 18, 1996). "SCIENTIST AT WORK: Richard S. Lindzen;A Skeptic Asks, Is It Getting Hotter, Or Is It Just the Computer Model?". The New York Times. Retrieved May 22, 2010. 
  3. ^
  4. ^ "The Truth About Global Warming". 2001. 
  5. ^ "Publications". Retrieved 2007-04-05. 
  6. ^ Lindzen, R.S., M.-D. Chou, and A.Y. Hou (2001). "Does the Earth have an adaptive infrared iris?". Bull. Amer. Met. Soc. 82: 417–432. Bibcode 2001BAMS...82..417L. doi:10.1175/1520-0477(2001)082<0417:DTEHAA>2.3.CO;2. 
  7. ^ "Curriculum Vitae, Richard Siegmund Lindzen". June 1, 2008. Retrieved 2009-03-18. 
  8. ^ "Richard Lindzen's Publications". Retrieved January 17, 2010. 
  9. ^ Lindzen, R.S. and R.M. Goody (1965). "Radiative and photochemical processes in mesospheric dynamics: Part I. Models for radiative and photochemical processes". J. Atmos. Sci. 22: 341–348. Bibcode 1965JAtS...22..341L. doi:10.1175/1520-0469(1965)022<0341:RAPPIM>2.0.CO;2.  See also Lindzen, R.S. (1965). "The radiative-photochemical response of the mesosphere to fluctuations in radiation". J. Atmos. Sci.: 469–478. 
  10. ^ Lindzen, R.S. (1966). "Radiative and photochemical processes in mesospheric dynamics: Part II. Vertical propagation of long period disturbances at the equator". J. Atmos. Sci. 23: 334–343. Bibcode 1966JAtS...23..334L. doi:10.1175/1520-0469(1966)023<0334:RAPPIM>2.0.CO;2. 
  11. ^ Lindzen, R.S. (1966). "Radiative and photochemical processes in mesospheric dynamics. Part III. Stability of a zonal vortex at midlatitudes to axially symmetric disturbances". J. Atmos. Sci. 23: 344–349. Bibcode 1966JAtS...23..344L. doi:10.1175/1520-0469(1966)023<0344:RAPPIM>2.0.CO;2. 
  12. ^ Lindzen, R.S. (1966). "Radiative and photochemical processes in mesospheric dynamics. Part IV. Stability of a zonal vortex at midlatitudes to baroclinic waves". J. Atmos. Sci. 23: 350–359. Bibcode 1966JAtS...23..350L. doi:10.1175/1520-0469(1966)023<0350:RAPPIM>2.0.CO;2. 
  13. ^ Goody, R.M. (1964). Atmospheric Radiation. Oxford: Clarendon Press. 
  14. ^ Blake, D.W. and R.S. Lindzen (1973). "Effect of photochemical models on calculated equilibria and cooling rates in the stratosphere". Mon. Wea. Rev. 101: 738–802. 
  15. ^ See for instance the widely cited study Fels, S.B., J.D. Mahlman, M.D. Schwarzkopf and R.W. Sinclair (1980). "Stratospheric Sensitivity to Perturbations in Ozone and Carbon Dioxide: Radiative and Dynamical Response". J. Atmos. Sci. 37 (10): 2265–2297. Bibcode 1980JAtS...37.2265F. doi:10.1175/1520-0469(1980)037<2265:SSTPIO>2.0.CO;2.  The Lindzen and Blake formalism is used in the parameterization of radiative-photochemical damping (see Appendix A).
  16. ^ Laplace, P. S. (1799). Méchanique Céleste. Paris. 
  17. ^ Siebert, M. (1961). "Atmospheric tides". Advances in Geophysics, Vol. 7. New York: Academic Press. pp. 105–182. 
  18. ^ Butler, S. T. and Small, K. A. (1963). "The excitation of atmospheric oscillations". Proc. Roy. Soc. A274: 91–121. 
  19. ^ Lindzen, R.S. (1966). "On the theory of the diurnal tide". Mon. Wea. Rev. 94: 295–301. Bibcode 1966MWRv...94..295L. doi:10.1175/1520-0493(1966)094<0295:OTTOTD>2.3.CO;2. 
  20. ^ Haurwitz, B. (1962a). "Die tägliche Periode der Lufttemperatur in Bodenähe und ihre geographische Verteilung". Areh. Met. Geoph. Biokl. A12: 426–434. 
  21. ^ It should be noted that S. Kato had independently made the same discovery at about the same time in the Soviet Union. See Kato, S. (1966). "Diurnal atmospheric oscillation, 1. Eigenvalues and Hough functions". J. Geophys. Res. 71: 3201–3209. 
  22. ^ Lindzen, R.S. (1967). "Thermally driven diurnal tide in the atmosphere". Q. J. Roy. Met. Soc. 93: 18–42. Bibcode 1967QJRMS..93...18L. doi:10.1002/qj.49709339503. 
  23. ^ Lindzen, R.S. and D.J. McKenzie (1967). "Tidal theory with Newtonian cooling". Pure & Appl. Geophys. 64: 90–96. 
  24. ^ Lindzen, R.S. (1968). "The application of classical atmospheric tidal theory". Proc. Roy. Soc. A303: 299–316. 
  25. ^ Lindzen, R.S. and S. Chapman (1969). "Atmospheric tides". Sp. Sci. Revs. 10: 3–188. Bibcode 1969SSRv...10....3L. doi:10.1007/BF00171584. 
  26. ^ Chapman, S. and R.S. Lindzen (1970). Atmospheric Tides: Thermal and Graviational. Dordrecht, Holland: D. Reidel Press. pp. 200. ISBN 9789027701138. 
  27. ^ Lindzen, R.S. (1987). "On the development of the theory of the QBO". Bull. Am. Met. Soc. 68: 329–337. Bibcode 1987BAMS...68..329L. doi:10.1175/1520-0477(1987)068<0329:OTDOTT>2.0.CO;2. 
  28. ^ Ibid., p. 329.
  29. ^ Lindzen, R.S. and J.R. Holton (1968). "A theory of quasi-biennial oscillation". J. Atmos. Sci. 26: 1095–1107. 
  30. ^ Wallace, J. M., and J. R. Holton (1967). "A diagnostic numerical model of the quasi-biennial oscillation". J. Atmos. Sci. 25: 280–292. Bibcode 1968JAtS...25..280W. doi:10.1175/1520-0469(1968)025<0280:ADNMOT>2.0.CO;2. [dead link]
  31. ^ Actually, the evidence was coming in at the time, see Wallace, J. M., and V. E. Kousky (1967). "Observational evidence of Kelvin waves in the tropical stratosphere". J. Atmos. Sci. 25: 900–907. Bibcode 1968JAtS...25..900W. doi:10.1175/1520-0469(1968)025<0900:OEOKWI>2.0.CO;2. [dead link] However, Lindzen says in his 1987 recollections that he did not see this study until after the Lindzen and Holton (1968) paper was already submitted (1987, p. 330).
  32. ^ Holton, J.R. and R.S. Lindzen (1972). "An updated theory for the quasibiennial cycle of the tropical stratosphere". J. Atmos. Sci. 29: 1076–1080. Bibcode 1972JAtS...29.1076H. doi:10.1175/1520-0469(1972)029<1076:AUTFTQ>2.0.CO;2. 
  33. ^ Taylor, F.W. and C.C.C. Tsang (February 2005). "Venus super-rotation". Archived from the original on July 6, 2007. Retrieved 2009-03-29. 
  34. ^ Fels, S.B. and R.S. Lindzen (1974). "Interaction of thermally excited gravity waves with mean flows". Geophys. Fl. Dyn. 6: 149–191. Bibcode 1974GApFD...6..149F. doi:10.1080/03091927409365793. 
  35. ^ Gierasch, P.J. (1975). "Meridional circulation and the maintenance of the Venus atmospheric rotation". J. Atmos. Sci 32: 1038–1044. Bibcode 1975JAtS...32.1038G. doi:10.1175/1520-0469(1975)032<1038:MCATMO>2.0.CO;2. [dead link]
  36. ^ For example see Zhu, X. (2005). "Maintenance of Equatorial Superrotation in a Planetary Atmosphere: Analytic Evaluation of the Zonal Momentum Budgets for the Stratospheres of Venus, Titan and Earth". SR SR A-2005-01, JHU /APL, Laurel, MD (2005).. 
  37. ^ Lindzen, R.S., M.-D. Chou, and A.Y. Hou (2001). "Does the Earth have an adaptive infrared iris?". Bull. Amer. Met. Soc. 82: 417–432. Bibcode 2001BAMS...82..417L. doi:10.1175/1520-0477(2001)082<0417:DTEHAA>2.3.CO;2. 
  38. ^ Bing Lin, Bing; et al. (2002). "The iris hypothesis: a negative or positive cloud feedback?". J. Climate 15: 3–7. Bibcode 2002JCli...15....3L. doi:10.1175/1520-0442(2002)015<0003:TIHANO>2.0.CO;2. 
  39. ^ "NASA satellite instrument warms up global cooling theory" (Press release). NASA. Jan 16, 2002. 
  40. ^ a b Stevens, W. (June 18, 1996). "SCIENTIST AT WORK: Richard S. Lindzen;A Skeptic Asks, Is It Getting Hotter, Or Is It Just the Computer Model?". The New York Times. Retrieved 2009-07-26. 
  41. ^ a b Guterl, F. (July 23, 2001). "The Truth About Global Warming". Newsweek. Retrieved 2009-07-26. 
  42. ^ "On the determination of climate feedbacks from ERBE data". 26 August 2009. 
  43. ^ "Working out climate sensitivity from satellite measurements". 
  44. ^ "Climate Change Science: An Analysis of Some Key Questions: Committee on the Science of Climate Change". National Academies Press. 2001. Retrieved 2007-04-05. 
  45. ^ "Climate Change Science: An Analysis of Some Key Questions". National Academies Press. 2001. Retrieved 2007-04-05. 
  46. ^ Lindzen, Richard S. (June 11, 2001). "Scientists' Report Doesn't Support the Kyoto Treaty" (PDF). The Wall Street Journal. Retrieved 2007-04-05. 
  47. ^ Lindzen, Richard S. (February 23, 2004). "Canadian Reactions To Sir David King". The Hill Times. Retrieved 2007-04-05. 
  48. ^ Lindzen, Richard S. (May 1, 2001). "Testimony of Richard S. Lindzen before the U.S. Senate Commerce Committee" (PDF). Lavoisier Group. Retrieved 18 March 2009. 
  49. ^ Solomon, Lawrence (December 22, 2006). "The Deniers – Part V: The original denier: into the cold". National Post. Retrieved 2007-04-05. 
  50. ^ The NAS panel said on the matter that "The committee finds that the full IPCC Working Group I (WGI) report is an admirable summary of research activities in climate science, and the full report is adequately summarized in the Technical Summary. The full WGI report and its Technical Summary are not specifically directed at policy. The Summary for Policymakers reflects less emphasis on communicating the basis for uncertainty and a stronger emphasis on areas of major concern associated with human-induced climate change. This change in emphasis appears to be the result of a summary process in which scientists work with policy makers on the document. Written responses from U.S. coordinating and lead scientific authors to the committee indicate, however, that (a) no changes were made without the consent of the convening lead authors (this group represents a fraction of the lead and contributing authors) and (b) most changes that did occur lacked significant impact."
  51. ^ "Climate Change Science: An Analysis of Some Key Questions: Summary". National Academies Press. 2001. Retrieved 2007-04-05. 
  52. ^ Lindzen, Richard (2003-09-17). "A Mayor Mistake". TCS (Tech Central Station). Retrieved 2009-03-15. 
  53. ^ (1996) Science and politics: global warming and eugenics. in Risks, Costs, and Lives Saved, R. Hahn, editor, Oxford University Press, New York, 267pp (Chapter 5, 85-103)
  54. ^ "". CNN. Retrieved May 22, 2010. 
  55. ^ Lindzen, Richard S. (November 30, 2009). "The Climate Science Isn't Settled". The Wall Street Journal. 
  56. ^ Bailey, Ronald (November 10, 2005). "Two Sides to Global Warming". Reason Magazine. Archived from the original on March 13, 2007. Retrieved 2007-04-05. 
  57. ^ Bailey, Ronald (June 8, 2005). "Betting on Climate Change". Reason Magazine. Archived from the original on March 13, 2007. Retrieved 2007-04-05. 
  58. ^ Ritter, Karl (December 17, 2007). "Climate change dissenters say they are demonized in debate -". USA Today. Retrieved May 22, 2010. 
  59. ^ Eilperin, Juliet (October 2009). "Richard Lindzen: An Inconvenient Expert". Outside. Retrieved December 8, 2009. 
  60. ^ Achenbach, Joel (June 5, 2006). "Global-warming skeptics continue to punch away". The Seattle Times. Retrieved December 8, 2009. 
  61. ^ "The Contrarian". Seed. August 24, 2006. Retrieved December 8, 2009. 
  62. ^ ISI record
  63. ^ American Men & Women of Science, 25th ed. Vol. 4, P.909 (2008)

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