RESEARCH INTERESTS

RESEARCH INTERESTS:

Atmospheric chemistry and chemistry/climate interactions, Biogeochemical cycles

Maria Kanakidou's group research focuses on understanding changes in atmospheric chemistry, climate and biogeochemical cycles due to human activities, natural variability and feedback mechanisms. It studies the changes in the oxidizing power of the atmosphere, aerosol composition, atmospheric acidity, nutrients availability due to human activities and their interactions with climate. The main approach is global modelling of environmental chemistry with special focus on multiphase chemistry, organics and nutrients in the troposphere and the surface seawater.

Major specific topics and selected references:

Organic aerosols, chemistry, climate and feedbacks

with focus on secondary organic aerosol formation and feedback with climate

Organic aerosol and global climate modelling : A review. Kanakidou et al. Atmos. Chem. Phys., 2005 , 5, 1053-1123 , SRef-ID: 1680-7324/acp/2005-5-1053.

S. Fuzzi, et al., Critical assessment of the current state of scientific knowledge, terminology, and research needs concerning the role of organic aerosols in the atmosphere, climate, and global change, Atmos. Chem. Phys. 6, 2017–2038, 2006, www.atmos-chem-phys.net/6/2017/2006/
Tsigaridis K., N. Daskalakis, M. Kanakidou, et al., The AeroCom evaluation and intercomparison of organic aerosol in global models, Atmospheric Chemistry and Physics, 2014, 14, 10845-10895, www.atmos-chem-phys.net/14/10845/2014

Secondary organic aerosols formation, changes since preindustrial times and natural variability:

Kanakidou M.,et al., Human activity enhances the formation of organic aerosols by biogenic hydrocarbon oxidation, J. Geophys. Res., 105, 9243-9254, 2000. http://www.agu.org/pubs/crossref/2000/1999JD901148.shtml
Tsigaridis K., Kanakidou M., Global modelling of secondary organic aerosol in the troposphere: A sensitivity analysis, Atmos. Chem. Phys. 3, 1849-1869, 2003. http://www.cosis.net/members/journals/df/abstract.php?a_id=422
Tsigaridis K., et al., Naturally driven variability in the global secondary organic aerosol over a decade, Atmos. Chem. Phys., 5, 1891Ώ1904, 2005, SRef-ID: 1680-7324/acp/2005-5-1891 www.atmos-chem-phys.org/acp/5/1891/
Tsigaridis K., et al., Change in global aerosol composition since preindustrial times, Atmos. Chem. Phys., 6, 5585-5628, 2006. www.atmos-chem-phys-discuss.net/6/5585/2006/
Tsigaridis K. and Kanakidou M., Secondary organic aerosol importance in the future atmosphere, Atmos. Environ, doi:10.1016/ j.atmosenv.2007.03.045, 2007

Biogeochemical Cycles

1. Atmospheric deposition

- Global importance of organic nitrogen and organic phosphorus deposition.

Kanakidou M., et al., Atmospheric fluxes of organic N and P to the global ocean. Global Biogeochemical Cycles, 10.10.1029/2011GB004277, 2012

- Global N, Fe, P atmospheric cycles and atmospheric deposition.

Myriokefalitakis, S., Daskalakis, N., Mihalopoulos, N., Baker, A. R., Nenes, A., and Kanakidou, M.: Changes in dissolved iron deposition to the oceans driven by human activity: a 3-D global modelling study, Biogeosciences, 12, 3973-3992, doi:10.5194/bg-12-3973-2015, 2015
Myriokefalitakis S., Nenes A., Baker A.R., Mihalopoulos N., Kanakidou M.: Bioavailable atmospheric phosphorous supply to the global ocean: a 3-D global modelling study, Biogeosciences, 13, 6519Ώ6543, 2016, www.biogeosciences.net/13/6519/2016
Kanakidou M., S. Myriokefalitakis, N. Daskalakis, G. Fanourgakis, A. Nenes, A. Baker, K. Tsigaridis, N. Mihalopoulos, Past, Present and Future Atmospheric Nitrogen Deposition, Journal of the Atmospheric Sciences (JAS-D-15-0278) Vol 73, 2039-2047, 2016
Kanakidou M., Myriokefalitakis S., Tsigaridis K.: Aerosols in atmospheric chemistry and biogeochemical cycles of nutrients, Topical Review, Environ. Res. Lett. 13 063004, 2018. https://doi.org/10.1088/1748-9326/aabcdb

2. Ocean Productivity

- Impact of inorganic atmospheric deposition on the Mediterrenean Sea pelagic ecosystem

Christodoulaki S., Petihakis, G., Kanakidou, M., Mihalopoulos, N., Tsiaras, K., Triantafyllou, G., Atmospheric deposition in the Eastern Mediterranean, A driving force for ecosystem dynamics, J. Mar. Syst., 109Ώ110, 78Ώ93, doi:10.1016/j.jmarsys.2012.07.007, 2013
Christodoulaki S., G. Petihakis, N. Mihalopoulos, K. Tsiaras, G. Triantafyllou, M. Kanakidou, Human-Driven Atmospheric Deposition of N and P Ccontrols on the East Mediterranean Marine Ecosystem, Journal of the Atmospheric Sciences, 73(4) 1611- 1619, DOI: http://dx.doi.org/10.1175/JAS-D-15-0241.1, 2016
Pitta P, Kanakidou M, Mihalopoulos N, Christodoulaki S, Dimitriou PD, Frangoulis C, Giannakourou A, Kagiorgi M, Lagaria A, Nikolaou P, Papageorgiou N, Psarra S, Santi I, Tsapakis M, Tsiola A, Violaki K and Petihakis G. Saharan Dust Deposition Effects on the Microbial Food Web in the Eastern Mediterranean: A Study Based on a Mesocosm Experiment. Front. Mar. Sci. 4:117. doi: 10.3389/fmars.2017.00117, 2017.

- Global impacts.

Guieu, C., O. Aumont, A. Paytan, L. Bopp, C. S. Law, N. Mahowald, E. P. Achterberg, E. Maraρσn, B. Salihoglu, A. Crise, T. Wagener, B. Herut, K. Desboeufs, M. Kanakidou, N. Olgun, F. Peters, E. Pulido-Villena, A. Tovar-Sanchez and C. Vφlker, The significance of the episodic nature of atmospheric deposition to Low Nutrient Low Chlorophyll regions, Global Biogeochem. Cycles, 28, 1179Ώ1198, doi:10.1002/2014GB004852, 2014.
Jickells, T. D., et al., A reevaluation of the magnitude and impacts of anthropogenic atmospheric nitrogen inputs on the ocean, Global Biogeochem. Cycles, 31, doi:10.1002/2016GB005586, 2017

Oxidizing capacity of the troposphere - atmospheric acidity

1. Nitrate (NO₃) radicals and nitrogen cycle

- Importance of nighttime chemistry in nutrient formation in the East Mediterranean.

Vrekoussis, M., et al., Role of the NO₃ radicals in oxidation processes in the eastern Mediterranean troposphere during the MINOS campaign, Atmos. Chem. Phys., 4, 169Ώ182, 2004. SRef-ID: 1680-7324/acp/2004-4-169. http://www.copernicus.org/EGU/acp/acp/4/169/
Vrekoussis M., et al., Formation of HNO₃ and NO₃^- in the anthropogenically-influenced eastern Mediterranean marine boundary layer, Geophys. Res. Letter, 33, L05811, doi:10.1029/2005GL025069, 2006.
Vrekoussis, M., et al.,Two-years of NO₃ radical observations in the boundary layer over the Eastern Mediterranean, Atmos. Chem. Phys., 7, 315Ώ327, 2007, www.atmos-chem-phys.net/7/315/2007/

2. Atmospheric Acidity

Bougiatioti, A., Nikolaou, P., Stavroulas, I., Kouvarakis, G., Nenes, A., Weber, R., Kanakidou, M., and Mihalopoulos, N.: Particle water and pH in the Eastern Mediterranean: sources variability and implications for nutrients availability, Atmos. Chem. Phys., 16, 4579Ώ4591, 2016 www.atmos-chem-phys.net/16/4579/2016/

3. Volatile Organic Compounds (VOC) impact on ozone (O₃) and HOx (OH + HO₂) budget

- oxygenated / biogenics - Upper Troposphere / Boundary layer chemistry

Singh H.B., M. Kanakidou, P.J. Crutzen and D. Jacob, High concentrations and photochemical fate of carbonyls and alcohols in the global troposphere, Nature, 378, 50-54, 1995.
M. Kanakidou and P.J. Crutzen, The photochemical source of carbon monoxide: Importance, Uncertainties and feedbacks, Chemosphere: Global Change Science, 1, 91-109, 1999.
Baboukas E. D., et al., Carboxylic acids in gas and particulate phase above the Atlantic Ocean , J. Geophys. Res., 105, 14459-14472, 2000.
Poisson N., et al., Impact of Non Methane Hydrocarbons on tropospheric chemistry and particular the oxidizing power of the global troposphere: 3-Dimensional Modelling results, J. Atmos. Chem., 36, 157-230, 2000.
Poisson N., et al., The Impact of Natural NonMethane Hydrocarbon Oxidation on the Free Radical and Ozone budgets above a Eucalyptus forest, Chemosphere., Global Change Science, 3, 353-366, 2001.
Tsigaridis K. and Kanakidou M., Importance of Volatile Organic Compounds Photochemistry Over a Forested Area in Central Greece, Atmos. Environ., 36, 19, 3137-3146, 2002.
Gros V., et al., Factors Controlling the Diurnal Variation of CO Above a Forested Area in South East Europe, Atmos. Environ, 36, 19, 3127-3135, 2002.

4. Sulphur chemistry in the boundary layer

Sciare J., et al., Diurnal and seasonal variation of atmospheric dimethyl sulfoxide (DMSO) at Amsterdam island in the southern indian ocean, J. Geophys. Res., 105, 17257-17265, 2000.

5. Satellite observations & atmospheric chemistry

Wittrock, F., et al., Simultaneous Global Observations of Glyoxal and Formaldehyde from Space, Geophys. Res. Letters, 33, L16804, doi:10.1029/2006GL026310, 2006
Myriokefalitakis S., Vrekoussis M., Tsigaridis K., Wittrock F., Richter A., Brόhl, C., Volkamer R., Burrows J.P., Kanakidou M., The influence of natural and anthropogenic secondary sources on the glyoxal global distribution, Atmos. Chem. Phys., 8, 4965Ώ4981, 2008. www.atmos-chem-phys.net/8/4965/2008/