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Air quality in the Kathmandu Valley: WRF and WRF-Chem simulations of meteorology and black carbon concentrations in Nepal

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Air quality in the Kathmandu Valley: WRF and WRF-Chem simulations of meteorology and black carbon concentrations in Nepal

Andrea Mues

1

, Axel Lauer

2

, Aurelia Lupascu

1

, Maheswar Rupakheti

1

, Friderike Kuik

1

, and Mark G. Lawrence

1

1Institute for Advanced Sustainability Studies (IASS), Potsdam, 14467, Germany

2Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre, Oberpfaffenhofen, Germany Correspondence to:A. Mues (Andrea.Mues@iass-potsdam.de) and A.Lauer (Axel.Lauer@dlr.de)

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station 6480

Observation WRF_ref_D02

Wind speed [m s−1]

Frequency

a

0 100 200 300 400 500 600

0 2 4 6 8 10 12

station 6120

Observation WRF_ref_D02

Wind speed [m s−1]

Frequency

c

0 200 400 600 800

0 2 4 6 8 10 12 14

station 1015

Observation WRF_ref_D02

Wind speed [m s−1]

Frequency

e

0 50 100 150 200 250 300

0 2 4 6 8 10 12

station 0017

Observation WRF_ref_D02

Wind speed [m s−1]

Frequency

b

0 100 200 300 400 500

0 2 4 6 8 10 12

station 0014

Observation WRF_ref_D02

Wind speed [m s−1]

Frequency

d

0 100 200 300 400 500 600

0 5 10 15

Figure S1.Histograms of wind speed at different stations for the time period January to June 2013.

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May 01 May 03 May 05 May 07 May 09

05001000150020002500

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● ● ●

● ● ● ●

● ●

● ● ● ●

● ●

● ● ● ●

● ● ●

Observation WRF_ref_D02

2013

Mixing layer height [m]

Figure S2.Time series of the mixing layer height [m] for the time period 1 to 9 May 2013.

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