Dr Alexandru Rap

Research Fellow

Telephone number: +44(0) 113 34 39085
Email address: a.rap@leeds.ac.uk
Room: 9.127

Link to personal page

Biography

Member of the Climate Change and Impacts Research Group. Main research interests include Radiative forcing, Climate impact of aviation contrails, Climate modelling.
Since June 2007, working with Prof. Piers Forster on Climate modelling of aviation contrails, as part of the OMEGA and COSIC projects.
Several secondments to Hadley Centre Met Office, Exeter.
2005 - 2007: work with Prof. Mike Smith and Dr. Sat Ghosh on Multi-component aerosol-cloud parametrisations for global climate modelling.
September 2001 - January 2005: PhD student working with Dr. Xianyun Wen on Inverse contaminant fluid flow problems. Other members of the research support group: Dr. Lionel Elliott, Prof. Derek B. Ingham, Prof. Daniel Lesnic (Department of Applied Mathematics).

Qualifications

Environmental Science and Applied Mathematics, University of Leeds, UK
BSc Mathematics, University of Cluj-Napoca, Romania

Memberships/Fellowships

European Geosciences Union
American Geophysical Union

Research Interests

Radiative forcing
Climate modelling and impact of aviation contrails
Aerosol-cloud microphysics
Multi-dimensional interpolation methods
Inverse problems
Boundary Element Methods
Regularisation techniques

Publications

Spracklen DV; Carslaw KS; Pöschl U; Rap A; Forster PM (2011) Global cloud condensation nuclei influenced by carbonaceous combustion aerosol, Atmospheric Chemistry and Physics Discussions, 11, pp.6999-7044.
Kurten T; Zhou L; Makkonen R; Merikanto J; Raisanen P; Boy M; Richards N; Rap A; Smolander S; Sogachev A; Guenther A; Mann GW; Carslaw K; Kulmala M (2011) Large methane releases lead to strong aerosol forcing and reduced cloudiness, ATMOSPHERIC CHEMISTRY AND PHYSICS, 11, pp.6961-6969. doi: 10.5194/acp-11-6961-2011
Spracklen DV; Jimenez JL; Carslaw KS; Worsnop DR; Evans MJ; Mann GW; Zhang Q; Canagaratna MR; Allan J; Coe H; McFiggans G; Rap A; Forster P (2011) Aerosol mass spectrometer constraint on the global secondary organic aerosol budget, Atmospheric Chemistry and Physics Discussions, 11, pp.5699-5755.
Kurtén T; Zhou L; Makkonen R; Merikanto J; Räisänen P; Boy M; Richards N; Rap A; Smolander S; Sogachev A; Guenther A; Mann GW; Carslaw K; Kulmala M (2011) Large methane releases lead to strong aerosol forcing and reduced cloudiness, Atmospheric Chemistry and Physics Discussions, 11, pp.9057-9081.
Spracklen DV; Jimenez JL; Carslaw KS; Worsnop DR; Evans MJ; Mann GW; Zhang Q; Canagaratna MR; Allan J; Coe H; McFiggans G; Rap A; Forster P (2011) Aerosol mass spectrometer constraint on the global secondary organic aerosol budget, ATMOSPHERIC CHEMISTRY AND PHYSICS, 11, pp.12109-12136. doi: 10.5194/acp-11-12109-2011
Spracklen DV; Carslaw KS; Poeschl U; Rap A; Forster PM (2011) Global cloud condensation nuclei influenced by carbonaceous combustion aerosol, ATMOSPHERIC CHEMISTRY AND PHYSICS, 11, pp.9067-9087. doi: 10.5194/acp-11-9067-2011
Rap A; Forster PM; Haywood JM; Jones A; Boucher O (2010) Estimating the climate impact of linear contrails using the UK Met Office climate model, Geophysical Research Letters, 37, .
Rap A; Forster PM; Jones A; Boucher O; Haywood JM; Bellouin N; De Leon RR (2010) Parameterization of contrails in the UK Met Office Climate Model, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 115, . doi: 10.1029/2009JD012443
Rap A; Forster PM; Haywood JM; Jones A; Boucher O (2010) Estimating the climate impact of linear contrails using the UK Met Office climate model, GEOPHYSICAL RESEARCH LETTERS, 37, . doi: 10.1029/2010GL045161
Rap A; Forster PM; Jones A; Boucher O; Haywood JM; Bellouin N; De Leon RR (2010) Parameterization of contrails in the UK Met Office climate model, Journal of Geophysical Research D: Atmospheres, 115, .
Haywood JM; Allan RP; Bornemann J; Forster PM; Francis PN; Milton S; Raedel G; Rap A; Shine KP; Thorpe R (2009) A case study of the radiative forcing of persistent contrails evolving into contrail-induced cirrus, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 114, . doi: 10.1029/2009JD012650
Haywood JM; Allan RP; Bornemann J; Forster PM; Francis PN; Milton S; Rädel G; Rap A; Shine KP; Thorpe R (2009) A case study of the radiative forcing of persistent contrails evolving into contrail-induced cirrus, Journal of Geophysical Research D: Atmospheres, 114, .
Rap A; Ghosh S; Smith MH (2009) Shepard and Hardy Multiquadric Interpolation Methods for Multicomponent Aerosol-Cloud Parameterization, JOURNAL OF THE ATMOSPHERIC SCIENCES, 66, pp.105-115. doi: 10.1175/2008JAS2626.1
Myhre G; Kvalevag M; Raedel G; Cook J; Shine KP; Clark H; Karcher F; Markowicz K; Kardas A; Wolkenberg P; Balkanski Y; Ponater M; Forster P; Rap A; de Leon RR (2009) Intercomparison of radiative forcing calculations of stratospheric water vapour and contrails, METEOROLOGISCHE ZEITSCHRIFT, 18, pp.585-596. doi: 10.1127/0941-2948/2009/0411
Rap A; Elliott L; Ingham DB; Lesnic D; Wen X (2007) The inverse source problem for the variable coefficients convection-diffusion equation, INVERSE PROBLEMS IN SCIENCE AND ENGINEERING, 15, pp.413-440. doi: 10.1080/17415970600731274
Ghosh S; Smith MH; Rap A (2007) Integrating biomass, sulphate and sea-salt aerosol responses into a microphysical chemical parcel model: implications for climate studies, PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 365, pp.2659-2674. doi: 10.1098/rsta.2007.2082
Rap A; Elliott L; Ingham DB; Lesnic D; Wen X (2006) An inverse source problem for the convection-diffusion equation, INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW, 16, pp.125-150. doi: 10.1108/09615530610644235
Rap A; Elliott L; Ingham DB; Lesnic D; Wen X (2004) DRBEM for Cauchy convection-diffusion problems with variable coefficients, ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS, 28, pp.1321-1333. doi: 10.1016/j.enganabound.2004.06.003