UK trends in urban-rural atmospheric nanoparticles, and during a traffic intervention

TY - GEN

T1 - UK trends in urban-rural atmospheric nanoparticles, and during a traffic intervention

AU - Kendall, Michaela

AU - Tinker, Danielle

AU - Barratt, Benjamin

PY - 2011/12/1

Y1 - 2011/12/1

N2 - Ultrafine particles (UFP) measurement networks have increased in recent years because of accumulating evidence of direct aerosol effects on health and climate. Studies have found associations between UFP concentrations in cities and human lung and cardiovascular disease. UFP number concentrations and behavior at different UK sites were studied and different metrics of particulate matter (PM), including UFP number concentration, total number concentration, PM 10 and PM 2.5 in the UK were compared. The PM concentrations (mass and number) before and after the introduction of the London Low Emission Zone (LEZ) were compared to quantify UFP concentration patterns associated with a traffic intervention scheme. UFP (<100 nm) concentrations were higher and more variable at the roadside site. A drop in some measures of particle number and mass was recorded following the introduction of the LEZ traffic intervention. UFP changes may be associated with the LEZ, but concurrent traffic interventions such as sulfur reduction and the London congestion charge scheme may also contribute to reductions in particle number and mass at the sites. This is an abstract of a paper presented at the 104th AWMA Annual Conference and Exhibition 2011 (Orlando, FL 6/21-24/2011).

AB - Ultrafine particles (UFP) measurement networks have increased in recent years because of accumulating evidence of direct aerosol effects on health and climate. Studies have found associations between UFP concentrations in cities and human lung and cardiovascular disease. UFP number concentrations and behavior at different UK sites were studied and different metrics of particulate matter (PM), including UFP number concentration, total number concentration, PM 10 and PM 2.5 in the UK were compared. The PM concentrations (mass and number) before and after the introduction of the London Low Emission Zone (LEZ) were compared to quantify UFP concentration patterns associated with a traffic intervention scheme. UFP (<100 nm) concentrations were higher and more variable at the roadside site. A drop in some measures of particle number and mass was recorded following the introduction of the LEZ traffic intervention. UFP changes may be associated with the LEZ, but concurrent traffic interventions such as sulfur reduction and the London congestion charge scheme may also contribute to reductions in particle number and mass at the sites. This is an abstract of a paper presented at the 104th AWMA Annual Conference and Exhibition 2011 (Orlando, FL 6/21-24/2011).

KW - Atmospheric nanoparticles (NPS)

KW - CPC

KW - London

KW - Number concentration

KW - PM

KW - SMPS

KW - UK

KW - Ultrafine particles (UFPS)

UR - http://www.scopus.com/inward/record.url?scp=84859190271&partnerID=8YFLogxK

M3 - Conference contribution

AN - SCOPUS:84859190271

SN - 9781618393654

VL - 3

SP - 2205

EP - 2209

BT - 104th Air and Waste Management Association Annual Conference and Exhibition 2011

T2 - 104th Air and Waste Management Association Annual Conference and Exhibition 2011

Y2 - 21 June 2011 through 24 June 2011

ER -