Articles | Volume 15, issue 24
https://doi.org/10.5194/acp-15-13957-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-13957-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
17 Dec 2015
Research article |
| 17 Dec 2015
Seasonal variation of ozone and black carbon observed at Paknajol, an urban site in the Kathmandu Valley, Nepal
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
P. Cristofanelli
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
A. Marinoni
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
B. Adhikary
ICIMOD, International Centre for Integrated Mountain Development, G.P.O. Box 3226, Khumaltar, Lalitpur, Kathmandu, Nepal
R. Duchi
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
S. D. Shrestha
Ev-K2-CNR Committee, G.P.O. Box 5109, Paknajol, Kathmandu, Nepal
G. P. Verza
Ev-K2-CNR Committee, Via S. Bernardino 145, 24126 Bergamo, Italy
T. C. Landi
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
F. Calzolari
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
M. Busetto
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
G. Agrillo
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
F. Biancofiore
Center of Excellence CETEMPS, University of L'Aquila, Via Vetoio 1, 67010 Coppito (AQ), Italy
P. Di Carlo
Center of Excellence CETEMPS, University of L'Aquila, Via Vetoio 1, 67010 Coppito (AQ), Italy
A. K. Panday
ICIMOD, International Centre for Integrated Mountain Development, G.P.O. Box 3226, Khumaltar, Lalitpur, Kathmandu, Nepal
M. Rupakheti
IASS, Institute for Advanced Sustainability Studies, Berliner Strasse 130, 14467 Potsdam, Germany
P. Bonasoni
CNR-ISAC, National Research Council of Italy – Institute of Atmospheric Sciences and Climate, Via Gobetti 101, 40129 Bologna, Italy
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Latest update: 08 Nov 2025
Short summary
The aim of this paper is to present a full-year analysis of simultaneous measurements of ozone, black carbon, and aerosol number concentration at Paknajol, in the Kathmandu Valley, one of the global “hot spots” in terms of air pollution. Results indicate persisting poor air quality conditions throughout the measurement period, and suggest that the pollutants' variability is mainly driven by local pollution source activity, local- and large-scale dynamics, photochemistry, and vegetation fires.
The aim of this paper is to present a full-year analysis of simultaneous measurements of ozone,...
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