All Stories

  1. How near-forward scattering impacts measurements of direct solar radiation?

    Article • Journal of the Atmospheric Sciences, September 2019, American Meteorological Society

    Petri Räisänen, Anders Lindfors

  2. Aerosol optical depth comparison between GAW-PFR and AERONET-Cimel radiometers from long-term (2005–2015) 1 min synchronous measurements

    Article • Atmospheric Measurement Techniques, August 2019, Copernicus GmbH

    Petri Räisänen

  3. Role of climate model dynamics in estimated climate responses to anthropogenic aerosols

    Article • Atmospheric Chemistry and Physics, August 2019, Copernicus GmbH

    Petri Räisänen

  4. Anthropogenic aerosol forcing – insights from multiple estimates from aerosol-climate models with reduced complexity

    Article • Atmospheric Chemistry and Physics, May 2019, Copernicus GmbH

    Petri Räisänen

  5. Solar radiation will slightly decline in India in the coming decades

    Article • Journal of Applied Meteorology and Climatology, January 2019, American Meteorological Society

    Anders Lindfors, Kimmo Ruosteenoja, Petri Räisänen

  6. The regional climate model REMO (v2015) coupled with the 1-D freshwater lake model FLake (v1): Fenno-Scandinavian climate and lakes

    Article • Geoscientific Model Development, April 2018, Copernicus GmbH

    Petri Räisänen

  7. The Influence of Eurasian Snow Extent on the Northern Extratropical Stratosphere in a QBO Resolving Model

    Article • Journal of Geophysical Research Atmospheres, January 2018, American Geophysical Union (AGU)

    Petri Räisänen

  8. Effects of snow grain shape on climate simulations: sensitivity tests with the Norwegian Earth System Model

    Article • The Cryosphere, December 2017, Copernicus GmbH

    Petri Räisänen

  9. The HIRLAM fast radiation scheme for mesoscale numerical weather prediction models

    Article • Advances in Science and Research, July 2017, Copernicus GmbH

    Petri Räisänen

  10. Disk and circumsolar radiances in the presence of ice clouds

    Article • Atmospheric Chemistry and Physics, June 2017, Copernicus GmbH

    Petri Räisänen

  11. Nudging service providers and assessing service trade-offs to reduce the social inefficiencies of payments for ecosystem services schemes

    Article • Environmental Science & Policy, January 2016, Elsevier

    Petri Räisänen

  12. Measurements and modelling of snow particle size and shortwave infrared albedo over a melting Antarctic ice sheet

    Article • The Cryosphere, December 2015, Copernicus GmbH

    Petri Räisänen

  13. Retrieving microphysical properties of dust-like particles using ellipsoids: the case of refractive index

    Article • Atmospheric Chemistry and Physics, October 2015, Copernicus GmbH

    Petri Räisänen

  14. Parameterization of single-scattering properties of snow

    Article • The Cryosphere, June 2015, Copernicus GmbH

    Petri Räisänen

  15. Turbulent structure and scaling of the inertial subrange in a stratocumulus-topped boundary layer observed by a Doppler lidar

    Article • Atmospheric Chemistry and Physics, May 2015, Copernicus GmbH

    Petri Räisänen

  16. Estimates of global dew collection potential on artificial surfaces

    Article • Hydrology and Earth System Sciences, January 2015, Copernicus GmbH

    Petri Räisänen

  17. Explicit representation of subgrid variability in cloud microphysics yields weaker aerosol indirect effect in the ECHAM5-HAM2 climate model

    Article • Atmospheric Chemistry and Physics, January 2015, Copernicus GmbH

    Petri Räisänen

  18. Evaluation of North Eurasian snow-off dates in the ECHAM5.4 atmospheric general circulation model

    Article • Geoscientific Model Development, December 2014, Copernicus GmbH

    Petri Räisänen

  19. Spatial distributions and seasonal cycles of aerosol climate effects in India seen in a global climate–aerosol model

    Article • Atmospheric Chemistry and Physics, September 2014, Copernicus GmbH

    Petri Räisänen

  20. Diagnosing the average spatio-temporal impact of convective systems – Part 2: A model intercomparison using satellite data

    Article • Atmospheric Chemistry and Physics, August 2014, Copernicus GmbH

    Mark Zelinka, Petri Räisänen

  21. Climate impacts of changing aerosol emissions since 1996

    Article • Geophysical Research Letters, July 2014, American Geophysical Union (AGU)

    Petri Räisänen

  22. Strategies for reducing the climate noise in model simulations: ensemble runs versus a long continuous run

    Article • Climate Dynamics, May 2014, Springer Science + Business Media

    Petri Räisänen

  23. Improved power-law estimates from multiple samples provided by millennium climate simulations

    Article • Theoretical and Applied Climatology, March 2014, Springer Science + Business Media

    Petri Räisänen

  24. On the possibilities to use atmospheric reanalyses to evaluate the warming structure in the Arctic

    Article • Atmospheric Chemistry and Physics, November 2013, Copernicus GmbH

    Petri Räisänen

  25. Monte Carlo-based subgrid parameterization of vertical velocity and stratiform cloud microphysics in ECHAM5.5-HAM2

    Article • Atmospheric Chemistry and Physics, August 2013, Copernicus GmbH

    Petri Räisänen

  26. Warming-induced increase in aerosol number concentration likely to moderate climate change

    Article • Nature Geoscience, April 2013, Springer Science + Business Media

    Petri Räisänen

  27. Spectral albedo of seasonal snow during intensive melt period at Sodankylä, beyond the Arctic Circle

    Article • Atmospheric Chemistry and Physics, April 2013, Copernicus GmbH

    Petri Räisänen

  28. Seasonal Changes in Solar Radiation and Relative Humidity in Europe in Response to Global Warming*

    Article • Journal of Climate, April 2013, American Meteorological Society

    Petri Räisänen

  29. Impact of dust particle non-sphericity on climate simulations

    Article • Quarterly Journal of the Royal Meteorological Society, December 2012, Wiley

    Petri Räisänen

  30. Climate effects of northern hemisphere volcanic eruptions in an Earth System Model

    Article • Atmospheric Research, October 2012, Elsevier

    Petri Räisänen

  31. Brightening of the global cloud field by nitric acid and the associated radiative forcing

    Article • Atmospheric Chemistry and Physics, August 2012, Copernicus GmbH

    Petri Räisänen

  32. Sensitivity of the shortwave radiative effect of dust on particle shape: Comparison of spheres and spheroids

    Article • Journal of Geophysical Research Atmospheres, April 2012, American Geophysical Union (AGU)

    Petri Räisänen

  33. Effect of aerosol size distribution changes on AOD, CCN and cloud droplet concentration: Case studies from Erfurt and Melpitz, Germany

    Article • Journal of Geophysical Research Atmospheres, April 2012, American Geophysical Union (AGU)

    Petri Räisänen

  34. Quasiperiodic climate variability with a period of 50–80 years: Fourier analysis of measurements and Earth System Model simulations

    Article • Climate Dynamics, March 2012, Springer Science + Business Media

    Petri Räisänen

  35. The Continual Intercomparison of Radiation Codes: Results from Phase I

    Article • Journal of Geophysical Research Atmospheres, March 2012, American Geophysical Union (AGU)

    Petri Räisänen

  36. The influence of observed cirrus microphysical properties on shortwave radiation: A case study over Oklahoma

    Article • Journal of Geophysical Research Atmospheres, November 2011, American Geophysical Union (AGU)

    Petri Räisänen

  37. Origin of the Arctic warming in climate models

    Article • Geophysical Research Letters, November 2011, American Geophysical Union (AGU)

    Petri Räisänen

  38. Cloud base vertical velocity statistics: a comparison between an atmospheric mesoscale model and remote sensing observations

    Article • Atmospheric Chemistry and Physics, September 2011, Copernicus GmbH

    Petri Räisänen

  39. Evaluation of the statistical cloud scheme in the ECHAM5 model using satellite data

    Article • Quarterly Journal of the Royal Meteorological Society, August 2011, Wiley

    Petri Räisänen

  40. Spatial distributions and seasonal cycles of aerosols in India and China seen in global climate-aerosol model

    Article • Atmospheric Chemistry and Physics, August 2011, Copernicus GmbH

    Petri Räisänen

  41. Large methane releases lead to strong aerosol forcing and reduced cloudiness

    Article • Atmospheric Chemistry and Physics, July 2011, Copernicus GmbH

    Petri Räisänen

  42. Soil carbon model alternatives for ECHAM5/JSBACH climate model: Evaluation and impacts on global carbon cycle estimates

    Article • Journal of Geophysical Research Atmospheres, June 2011, American Geophysical Union (AGU)

    Petri Räisänen

  43. Estimation of ECHAM5 climate model closure parameters with adaptive MCMC

    Article • Atmospheric Chemistry and Physics, October 2010, Copernicus GmbH

    Petri Räisänen

  44. Impact of cloud and radiation scheme modifications on climate simulated by the ECHAM5 atmospheric GCM

    Article • Quarterly Journal of the Royal Meteorological Society, September 2010, Wiley

    Petri Räisänen

  45. Correction to “A method to account for surface albedo heterogeneity in single-column radiative transfer calculations under overcast conditions”

    Article • Journal of Geophysical Research Atmospheres, December 2008, American Geophysical Union (AGU)

    Petri Räisänen

  46. A method to account for surface albedo heterogeneity in single-column radiative transfer calculations under overcast conditions

    Article • Journal of Geophysical Research Atmospheres, October 2008, American Geophysical Union (AGU)

    Petri Räisänen

  47. The Monte Carlo Independent Column Approximation: an assessment using several global atmospheric models

    Article • Quarterly Journal of the Royal Meteorological Society, July 2008, Wiley

    Petri Räisänen

  48. Noise due to the Monte Carlo independent-column approximation: short-term and long-term impacts in ECHAM5

    Article • Quarterly Journal of the Royal Meteorological Society, January 2008, Wiley

    Petri Räisänen

  49. Tests of Monte Carlo Independent Column Approximation in the ECHAM5 Atmospheric GCM

    Article • Journal of Climate, October 2007, American Meteorological Society

    Petri Räisänen

  50. Mie simulations as an error source in mineral aerosol radiative forcing calculations

    Article • Quarterly Journal of the Royal Meteorological Society, January 2007, Wiley

    Petri Räisänen

  51. On the (in)accuracy of the spherical particle approximation in mineral aerosol radiative forcing simulations

    Article • January 2007, Begell House

    Petri Räisänen

  52. The Monte Carlo Independent Column Approximation’s Conditional Random Noise: Impact on Simulated Climate

    Article • Journal of Climate, November 2005, American Meteorological Society

    Petri Räisänen

  53. Radiative sensitivities for cloud structural properties that are unresolved by conventional GCMs

    Article • Quarterly Journal of the Royal Meteorological Society, October 2005, Wiley

    Petri Räisänen

  54. Accounting for unresolved clouds in a 1-D solar radiative-transfer model

    Article • Quarterly Journal of the Royal Meteorological Society, April 2005, Wiley

    Petri Räisänen

  55. Stochastic generation of subgrid-scale cloudy columns for large-scale models

    Article • Quarterly Journal of the Royal Meteorological Society, July 2004, Wiley

    Petri Räisänen

  56. Evaluation and optimization of sampling errors for the Monte Carlo Independent Column Approximation

    Article • Quarterly Journal of the Royal Meteorological Society, July 2004, Wiley

    Petri Räisänen

  57. Neglect by GCMs of subgrid-scale horizontal variations in cloud-droplet effective radius: A diagnostic radiative analysis

    Article • Quarterly Journal of the Royal Meteorological Society, July 2004, Wiley

    Petri Räisänen

  58. Solar radiative transfer for stratiform clouds with horizontal variations in liquid-water path and droplet effective radius

    Article • Quarterly Journal of the Royal Meteorological Society, July 2003, Wiley

    Petri Räisänen

  59. Scattering of light by large Saharan dust particles in a modified ray optics approximation

    Article • Journal of Geophysical Research Atmospheres, January 2003, American Geophysical Union (AGU)

    Petri Räisänen

  60. Two-stream approximations revisited: A new improvement and tests with GCM data

    Article • Quarterly Journal of the Royal Meteorological Society, October 2002, Wiley

    Petri Räisänen

  61. Comparison of surface radiative flux parameterizations

    Article • Atmospheric Research, July 2001, Elsevier

    Petri Räisänen

  62. Comparison of surface radiative flux parameterizations

    Article • Atmospheric Research, June 2001, Elsevier

    Petri Räisänen

  63. Effect of vertical resolution on cloudy-sky radiation calculations: Tests with two schemes

    Article • Journal of Geophysical Research Atmospheres, November 1999, American Geophysical Union (AGU)

    Petri Räisänen

  64. Long-wave optical properties of water clouds and rain

    Article • Tellus A Dynamic Meteorology and Oceanography, January 1998, Taylor & Francis

    Petri Räisänen

  65. Short-wave optical properties of precipitating water clouds

    Article • Quarterly Journal of the Royal Meteorological Society, April 1997, Wiley

    Petri Räisänen

  66. The effect of vertical resolution on clear-sky radiation calculations: tests with two schemes

    Article • Tellus A Dynamic Meteorology and Oceanography, May 1996, Taylor & Francis

    Petri Räisänen