Imperial College London
Alternate

ProfessorRalfToumi

Faculty of Natural Sciences, The Grantham Institute for Climate Change

Co-Director, Grantham Institute - Climate Change&Environment
 
 
 
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Contact

 

+44 (0)20 7594 7668r.toumi Website CV

 
 
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Location

 

713Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Nissan:2016:10.1002/qj.2919,
author = {Nissan, H and Toumi, R},
doi = {10.1002/qj.2919},
journal = {Quarterly Journal of the Royal Meteorological Society},
pages = {265--277},
title = {Regional modelling of rainfall erosivity: Sensitivity of soil erosion to aerosol emissions},
url = {http://dx.doi.org/10.1002/qj.2919},
volume = {143},
year = {2016}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Arainfallerosivityschemeisimplementedintothewidely-used regionalatmosphere-landmodel,WRF.Rainfallerosivityisparameterisedfromhourlyprecipitationandsurfacerunoffinahighresolution(4km)convection-permittingmodel.TheschemeisusedtoexaminethepotentialeffectsofchangesinatmosphericaerosolconcentrationsonsoilerosioninacasestudyofnorthernIndia andthesurroundingcountriesforthe2010monsoonseason,usingamodelwhichisolatestheindirecteffectoncloudmicrophysicsonly. Thisstudy offers apreliminaryinvestigationintothis emergingtopic,butlongersimulationswouldbeneededtoestablisharobustsignal.Summerprecipitationisreducedinmostareasandthe monsooncirculation weakens forincreases incloudcondensationnuclei concentrations. ThiscanbeattributedtolocalisedcloudmicrophysicalchangesinthenortheastofIndia,which induceadynamicresponseopposingthemonsooncirculation. Thetworegionsofgreatestdecreaseinerosion withincreasingaerosolarein theWesternGhatsandtheGangesDelta,bothsignificantcroplandareas.However,theeffectisnotuniform, withisolatedlocal increases insoilerosion. Theseresultssuggestthat,while effortstoreduceanthropogenicaerosolemissionsmayimprovewateravailabilityforcropsthroughenhancedrainfall,thesebenefitsarelikelytobetemperedbyanincreasein soilerosion,though robustlocalchangesweredifficulttopredict.
AU  - Nissan,H
AU  - Toumi,R
DO  - 10.1002/qj.2919
EP  - 277
PY  - 2016///
SN  - 1477-870X
SP  - 265
TI  - Regional modelling of rainfall erosivity: Sensitivity of soil erosion to aerosol emissions
T2  - Quarterly Journal of the Royal Meteorological Society
UR  - http://dx.doi.org/10.1002/qj.2919
UR  - http://hdl.handle.net/10044/1/40040
VL  - 143
ER  -
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