OpenURL Connection Search

Select item for more details and to access through your institution.

Advanced source apportionment of size-resolved trace elements at multiple sites in London during winter.
Published in:
Atmospheric Chemistry & Physics, 2015, v. 15, n. 20, p. 11291, doi. 10.5194/acp-15-11291-2015
By:
- Visser, S.;
- Slowik, J. G.;
- Furger, M.;
- Zotter, P.;
- Bukowiecki, N.;
- Canonaco, F.;
- Flechsig, U.;
- Appel, K.;
- Green, D. C.;
- Tremper, A. H.;
- Young, D. E.;
- Williams, P. I.;
- Allan, J. D.;
- Coe, H.;
- Williams, L. R.;
- Mohr, C.;
- Xu, L.;
- Ng, N. L.;
- Nemitz, E.;
- Barlow, J. F.
Publication type:
Article
Sensitivity estimations for cloud droplet formation in the vicinity of the high-alpine research station Jungfraujoch (3580ma.s.l.).
Published in:
Atmospheric Chemistry & Physics, 2015, v. 15, n. 18, p. 10309, doi. 10.5194/acp-15-10309-2015
By:
- Hammer, E.;
- Bukowiecki, N.;
- Luo, B. P.;
- Lohmann, U.;
- Marcolli, C.;
- Weingartner, E.;
- Baltensperger, U.;
- Hoyle, C. R.
Publication type:
Article
Kerb and urban increment of highly time-resolved trace elements in PM10, PM2.5 and PM1.0 winter aerosol in London during ClearfLo 2012.
Published in:
Atmospheric Chemistry & Physics, 2015, v. 15, n. 5, p. 2367, doi. 10.5194/acp-15-2367-2015
By:
- Visser, S.;
- Slowik, J. G.;
- Furger, M.;
- Zotter, P.;
- Bukowiecki, N.;
- Dressler, R.;
- Flechsig, U.;
- Appel, K.;
- Green, D. C.;
- Tremper, A. H.;
- Young, D. E.;
- Williams, P. I.;
- Allan, J. D.;
- Herndon, S. C.;
- Williams, L. R.;
- Mohr, C.;
- Xu, L.;
- Ng, N. L.;
- Detournay, A.;
- Barlow, J. F.
Publication type:
Article
Size-dependent particle activation properties in fog during the ParisFog 2012/13 field campaign.
Published in:
Atmospheric Chemistry & Physics, 2014, v. 14, n. 18, p. 10517, doi. 10.5194/acp-14-10517-2014
By:
- Hammer, E.;
- Gysel, M.;
- Roberts, G. C.;
- Elias, T.;
- Hofer, J.;
- Hoyle, C. R.;
- Bukowiecki, N.;
- Dupont, J.-C.;
- Burnet, F.;
- Baltensperger, U.;
- Weingartner, E.
Publication type:
Article
Investigation of the effective peak supersaturation for liquid-phase clouds at the high-alpine site Jungfraujoch, Switzerland (3580ma.s.l.).
Published in:
Atmospheric Chemistry & Physics, 2014, v. 14, n. 2, p. 1123, doi. 10.5194/acp-14-1123-2014
By:
- Hammer, E.;
- Bukowiecki, N.;
- Gysel, M.;
- Jurányi, Z.;
- Hoyle, C. R.;
- Vogt, R.;
- Baltensperger, U.;
- Weingartner, E.
Publication type:
Article
Aerosol decadal trends -- Part 1: In-situ optical measurements at GAW and IMPROVE stations.
Published in:
Atmospheric Chemistry & Physics, 2013, v. 13, n. 2, p. 869, doi. 10.5194/acp-13-869-2013
By:
- Coen, M. Collaud;
- Andrews, E.;
- Asmi, A.;
- Baltensperger, U.;
- Bukowiecki, N.;
- Day, D.;
- Fiebig, M.;
- Fjaeraa, A. M.;
- Flentje, H.;
- Hyvärinen, A.;
- Jefferson, A.;
- Jennings, S. G.;
- Kouvarakis, G.;
- Lihavainen, H.;
- Myhre, C. Lund;
- Malm, W. C.;
- Mihapopoulos, N.;
- Molenar, J. V.;
- O'Dowd, C.;
- Ogren, J. A.
Publication type:
Article
Aerosol decadal trends -- Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations.
Published in:
Atmospheric Chemistry & Physics, 2013, v. 13, n. 2, p. 895, doi. 10.5194/acp-13-895-2013
By:
- Asmi, A.;
- Coen, M. Collaud;
- Ogren, J. A.;
- Andrews, E.;
- Sheridan, P.;
- Jefferson, A.;
- Weingartner, E.;
- Baltensperger, U.;
- Bukowiecki, N.;
- Lihavainen, H.;
- Kivekäs, N.;
- Asmi, E.;
- Aalto, P. P.;
- Kulmala, M.;
- Wiedensohler, A.;
- Birmili, W.;
- Hamed, A.;
- O'Dowd, C.;
- Jennings, S. G.;
- Weller, R.
Publication type:
Article
Spatial variation of aerosol optical properties around the high-alpine site Jungfraujoch (3580ma.s.l.).
Published in:
Atmospheric Chemistry & Physics, 2012, v. 12, n. 15, p. 7231, doi. 10.5194/acp-12-7231-2012
By:
- Zieger, P.;
- Kienast-Sjögren, E.;
- Starace, M.;
- von Bismarck, J.;
- Bukowiecki, N.;
- Baltensperger, U.;
- Wienhold, F. G.;
- Peter, T.;
- Ruhtz, T.;
- Coen, M. Collaud;
- Vuilleumier, L.;
- Maier, O.;
- Emili, E.;
- Popp, C.;
- Weingartner, E.
Publication type:
Article
Ground-based and airborne in-situ measurements of the Eyjafjallajökull volcanic aerosol plume in Switzerland in spring 2010.
Published in:
Atmospheric Chemistry & Physics, 2011, v. 11, n. 19, p. 10011, doi. 10.5194/acp-11-10011-2011
By:
- Bukowiecki, N.;
- Zieger, P.;
- Weingartner, E.;
- Jurányi, Z.;
- Gysel, M.;
- Neininger, B.;
- Schneider, B.;
- Hueglin, C.;
- Ulrich, A.;
- Wichser, A.;
- Henne, S.;
- Brunner, D.;
- Kaegi, R.;
- Schwikowski, M.;
- Tobler, L.;
- Wienhold, F. G.;
- Engel, I.;
- Buchmann, B.;
- Peter, T.;
- Baltensperger, U.
Publication type:
Article
Source apportionment of size and time resolved trace elements and organic aerosols from an urban courtyard site in Switzerland.
Published in:
Atmospheric Chemistry & Physics, 2011, v. 11, n. 17, p. 8945, doi. 10.5194/acp-11-8945-2011
By:
- Richard, A.;
- Gianini, M. F. D.;
- Mohr, C.;
- Furger, M.;
- Bukowiecki, N.;
- Minguillón, M. C.;
- Lienemann, P.;
- Flechsig, U.;
- Appel, K.;
- DeCarlo, P. F.;
- Heringa, M. F.;
- Chirico, R.;
- Baltensperger, U.;
- Prévôt, A. S. H.
Publication type:
Article
Size and time-resolved roadside enrichment of atmospheric particulate pollutants.
Published in:
Atmospheric Chemistry & Physics, 2011, v. 11, n. 6, p. 2917, doi. 10.5194/acp-11-2917-2011
By:
- Amato, F.;
- Viana, M.;
- Richard, A.;
- Furger, M.;
- Prévôt, A. S. H.;
- Nava, S.;
- Lucarelli, F.;
- Bukowiecki, N.;
- Alastuey, A.;
- Reche, C.;
- Moreno, T.;
- Pandolfi, M.;
- Pey, J.;
- Querol, X.
Publication type:
Article
The ToF-ACSM: a portable aerosol chemical speciation monitor with TOFMS detection.
Published in:
Atmospheric Measurement Techniques Discussions, 2013, v. 6, n. 4, p. 6767, doi. 10.5194/amtd-6-6767-2013
By:
- Fröhlich, R.;
- Cubison, M. J.;
- Slowik, J. G.;
- Bukowiecki, N.;
- Prévôt, A. S. H.;
- Baltensperger, U.;
- Schneider, J.;
- Kimmel, J. R.;
- Gonin, M.;
- Rohner, U.;
- Worsnop, D. R.;
- Jayne, J. T.
Publication type:
Article
Evaluating the capabilities and uncertainties of droplet measurements for the fog droplet spectrometer (FM-100).
Published in:
Atmospheric Measurement Techniques Discussions, 2012, v. 5, n. 3, p. 3333, doi. 10.5194/amtd-5-3333-2012
By:
- Spiegel, J. K.;
- Zieger, P.;
- Bukowiecki, N.;
- Hammer, E.;
- Weingartner, E.;
- Eugster, W.
Publication type:
Article
Quantitative sampling and analysis of trace elements in ambient air: impactor characterization and Synchrotron-XRF mass calibration.
Published in:
Atmospheric Measurement Techniques Discussions, 2010, v. 3, n. 3, p. 2477, doi. 10.5194/amtd-3-2477-2010
By:
- Richard, A.;
- Bukowiecki, N.;
- Lienemann, P.;
- Furger, M.;
- Weideli, B.;
- Fierz, M.;
- Minguillón, M. C.;
- Figi, R.;
- Flechsig, U.;
- Appel, K.;
- Prévôt, A. S. H.;
- Baltensperger, U.
Publication type:
Article
Performance assessment of a volcanic ash transport model mini-ensemble used for inverse modeling of the 2010 Eyjafjallajökull eruption.
Published in:
Journal of Geophysical Research. Atmospheres, 2012, v. 117, n. D3, p. n/a, doi. 10.1029/2011JD016844
By:
- Kristiansen, N. I.;
- Stohl, A.;
- Prata, A. J.;
- Bukowiecki, N.;
- Dacre, H.;
- Eckhardt, S.;
- Henne, S.;
- Hort, M. C.;
- Johnson, B. T.;
- Marenco, F.;
- Neininger, B.;
- Reitebuch, O.;
- Seibert, P.;
- Thomson, D. J.;
- Webster, H. N.;
- Weinzierl, B.
Publication type:
Article
A 17 month climatology of the cloud condensation nuclei number concentration at the high alpine site Jungfraujoch.
Published in:
Journal of Geophysical Research. Atmospheres, 2011, v. 116, n. D10, p. n/a, doi. 10.1029/2010JD015199
By:
- Jurányi, Z.;
- Gysel, M.;
- Weingartner, E.;
- Bukowiecki, N.;
- Kammermann, L.;
- Baltensperger, U.
Publication type:
Article
Aerosol decadal trends -- Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations.
Published in:
Atmospheric Chemistry & Physics Discussions, 2012, v. 12, n. 8, p. 20849, doi. 10.5194/acpd-12-20849-2012
By:
- Asmi, A.;
- Coen, M. Collaud;
- Ogren, J. A.;
- Andrews, E.;
- Sheridan, P.;
- Jefferson, A.;
- Weingartner, E.;
- Baltensperger, U.;
- Bukowiecki, N.;
- Lihavainen, H.;
- Kivekäs, N.;
- Asmi, E.;
- Aalto, P. P.;
- Kulmala, M.;
- Wiedensohler, A.;
- Birmili, W.;
- Hamed, A.;
- O'Dowd, C.;
- Jennings, S. G.;
- Weller, R.
Publication type:
Article
Aerosol decadal trends -- Part 1: In-situ optical measurements at GAW and IMPROVE stations.
Published in:
Atmospheric Chemistry & Physics Discussions, 2012, v. 12, n. 8, p. 20785, doi. 10.5194/acpd-12-20785-2012
By:
- Coen, M. Collaud;
- Andrews, E.;
- Asmi, A.;
- Baltensperger, U.;
- Bukowiecki, N.;
- Day, D.;
- Fiebig, M.;
- Fjaeraa, A. M.;
- Flentje, H.;
- Hyvärinen, A.;
- Jefferson, A.;
- Jennings, S. G.;
- Kouvarakis, G.;
- Lihavainen, H.;
- Myhre, C. Lund;
- Malm, W. C.;
- Mihapopoulos, N.;
- Molenar, J. V.;
- O'Dowd, C.;
- Ogren, J. A.
Publication type:
Article
Spatial variation of aerosol optical properties around the high-alpine site Jungfraujoch (3580ma.s.l.).
Published in:
Atmospheric Chemistry & Physics Discussions, 2012, v. 12, n. 5, p. 11105, doi. 10.5194/acpd-12-11105-2012
By:
- Zieger, P.;
- Kienast-Sjögren, E.;
- Starace, M.;
- von Bismarck, J.;
- Bukowiecki, N.;
- Baltensperger, U.;
- Wienhold, F. G.;
- Peter, T.;
- Ruhtz, T.;
- Coen, M. Collaud;
- Vuilleumier, L.;
- Maier, O.;
- Emili, E.;
- Popp, C.;
- Weingartner, E.
Publication type:
Article
Ground-based and airborne in-situ measurements of the Eyjafjallajökull volcanic aerosol plume in Switzerland in spring 2010.
Published in:
Atmospheric Chemistry & Physics Discussions, 2011, v. 11, n. 4, p. 12949, doi. 10.5194/acpd-11-12949-2011
By:
- Bukowiecki, N.;
- Zieger, P.;
- Weingartner, E.;
- Jurányi, Z.;
- Gysel, M.;
- Neininger, B.;
- Schneider, B.;
- Hueglin, C.;
- Ulrich, A.;
- Wichser, A.;
- Henne, S.;
- Brunner, D.;
- Kaegi, R.;
- Schwikowski, M.;
- Tobler, L.;
- Wienhold, F. G.;
- Engel, I.;
- Buchmann, B.;
- Peter, T.;
- Baltensperger, U.
Publication type:
Article
Source apportionment of size and time resolved trace elements and organic aerosols from an urban courtyard site in Switzerland.
Published in:
Atmospheric Chemistry & Physics Discussions, 2011, v. 11, n. 2, p. 3727, doi. 10.5194/acpd-11-3727-2011
By:
- Richard, A.;
- Gianini, M. F. D.;
- Mohr, C.;
- Furger, M.;
- Bukowiecki, N.;
- Minguillón, M. C.;
- Lienemann, P.;
- Flechsig, U.;
- Appel, K.;
- DeCarlo, P. F.;
- Heringa, M. F.;
- Chirico, R.;
- Baltensperger, U.;
- Prévôt, A. S. H.
Publication type:
Article
The ToF-ACSM: a portable aerosol chemical speciation monitor with TOFMS detection.
Published in:
Atmospheric Measurement Techniques, 2013, v. 6, n. 11, p. 3225, doi. 10.5194/amt-6-3225-2013
By:
- Fröhlich, R.;
- Cubison, M. J.;
- Slowik, J. G.;
- Bukowiecki, N.;
- Prévôt, A. S. H.;
- Baltensperger, U.;
- Schneider, J.;
- Kimmel, J. R.;
- Gonin, M.;
- Rohner, U.;
- Worsnop, D. R.;
- Jayne, J. T.
Publication type:
Article
Evaluating the capabilities and uncertainties of droplet measurements for the fog droplet spectrometer (FM-100).
Published in:
Atmospheric Measurement Techniques, 2012, v. 5, n. 9, p. 2237, doi. 10.5194/amt-5-2237-2012
By:
- Spiegel, J. K.;
- Zieger, P.;
- Bukowiecki, N.;
- Hammer, E.;
- Weingartner, E.;
- Eugster, W.
Publication type:
Article
Quantitative sampling and analysis of trace elements in atmospheric aerosols: impactor characterization and Synchrotron-XRF mass calibration.
Published in:
Atmospheric Measurement Techniques, 2010, v. 3, n. 5, p. 1473, doi. 10.5194/amt-3-1473-2010
By:
- Richard, A.;
- Bukowiecki, N.;
- Lienemann, P.;
- Furger, M.;
- Fierz, M.;
- Minguillón, M. C.;
- Weideli, B.;
- Figi, R.;
- Flechsig, U.;
- Appel, K.;
- Prévôt, A. S. H.;
- Baltensperger, U.
Publication type:
Article
Investigation of the Planetary Boundary Layer in the Swiss Alps Using Remote Sensing and In Situ Measurements.
Published in:
Boundary-Layer Meteorology, 2014, v. 151, n. 2, p. 317, doi. 10.1007/s10546-013-9897-8
By:
- Ketterer, C.;
- Zieger, P.;
- Bukowiecki, N.;
- Collaud Coen, M.;
- Maier, O.;
- Ruffieux, D.;
- Weingartner, E.
Publication type:
Article
Fourteen months of on-line measurements of the non-refractory submicron aerosol at the Jungfraujoch (3580ma.s.l.) -- chemical composition, origins and organic aerosol sources.
Published in:
Atmospheric Chemistry & Physics Discussions, 2015, v. 15, n. 13, p. 18225, doi. 10.5194/acpd-15-18225-2015
By:
- Fröhlich, R.;
- Cubison, M. J.;
- Slowik, J. G.;
- Bukowiecki, N.;
- Canonaco, F.;
- Henne, S.;
- Herrmann, E.;
- Gysel, M.;
- Steinbacher, M.;
- Baltensperger, U.;
- Prévôt, A. S. H.
Publication type:
Article
Chemical and physical influences on aerosol activation in liquid clouds: an empirical study based on observations from the Jungfraujoch, Switzerland.
Published in:
Atmospheric Chemistry & Physics Discussions, 2015, v. 15, n. 12, p. 15469, doi. 10.5194/acpd-15-15469-2015
By:
- Hoyle, C. R.;
- Webster, C. S.;
- Rieder, H. E.;
- Hammer, E.;
- Gysel, M.;
- Bukowiecki, N.;
- Weingartner, E.;
- Steinbacher, M.;
- Baltensperger, U.
Publication type:
Article
Advanced source apportionment of size-resolved trace elements at multiple sites in London during winter.
Published in:
Atmospheric Chemistry & Physics Discussions, 2015, v. 15, n. 12, p. 14733, doi. 10.5194/acpd-15-14733-2015
By:
- Visser, S.;
- Slowik, J. G.;
- Furger, M.;
- Zotter, P.;
- Bukowiecki, N.;
- Canonaco, F.;
- Flechsig, U.;
- Appel, K.;
- Green, D. C.;
- Tremper, A. H.;
- Young, D. E.;
- Williams, P. I.;
- Allan, J. D.;
- Coe, H.;
- Williams, L. R.;
- Mohr, C.;
- Xu, L.;
- Ng, N. L.;
- Nemitz, E.;
- Barlow, J. F.
Publication type:
Article
Chemical and physical influences on aerosol activation in liquid clouds: an empirical study based on observations from the Jungfraujoch, Switzerland.
Published in:
Atmospheric Chemistry & Physics Discussions, 2015, v. 15, n. 11, p. 15469, doi. 10.5194/acpd-15-15469-2015
By:
- Hoyle, C. R.;
- Webster, C. S.;
- Rieder, H. E.;
- Hammer, E.;
- Gysel, M.;
- Bukowiecki, N.;
- Weingartner, E.;
- Steinbacher, M.;
- Baltensperger, U.
Publication type:
Article
Advanced source apportionment of size-resolved trace elements at multiple sites in London during winter.
Published in:
Atmospheric Chemistry & Physics Discussions, 2015, p. 14733, doi. 10.5194/acpd-15-14733-2015
By:
- Visser, S.;
- Slowik, J. G.;
- Furger, M.;
- Zotter, P.;
- Bukowiecki, N.;
- Canonaco, F.;
- Flechsig, U.;
- Appel, K.;
- Green, D. C.;
- Tremper, A. H.;
- Young, D. E.;
- Williams, P. I.;
- Allan, J. D.;
- Coe, H.;
- Williams, L. R.;
- Mohr, C.;
- Xu, L.;
- Ng, N. L.;
- Nemitz, E.;
- Barlow, J. F.
Publication type:
Article
Variations in tropospheric submicron particle size distributions across the European continent 2008-2009.
Published in:
Atmospheric Chemistry & Physics Discussions, 2013, v. 13, n. 11, p. 31197, doi. 10.5194/acpd-13-31197-2013
By:
- Beddows, D. C. S.;
- Dall'Osto, M.;
- Harrison, Roy M.;
- Kulmala, M.;
- Asmi, A.;
- Wiedensohler, A.;
- Laj, P.;
- Fjaeraa, A. M.;
- Sellegri, K.;
- Birmili, W.;
- Bukowiecki, N.;
- Weingartner, E.;
- Baltensperger, U.;
- Zdimal, V.;
- Zikova, N.;
- Putaud, J.-P.;
- Marinoni, A.;
- Tunved, P.;
- Hansson, H.-C.;
- Fiebig, M.
Publication type:
Article
Investigation of the effective peak supersaturation for liquid-phase clouds at the high-alpine site Jungfraujoch, Switzerland (3580 m a.s.l.).
Published in:
Atmospheric Chemistry & Physics Discussions, 2013, v. 13, n. 8, p. 20419, doi. 10.5194/acpd-13-20419-2013
By:
- Hammer, E.;
- Bukowiecki, N.;
- Gysel, M.;
- Jurányi, Z.;
- Hoyle, C. R.;
- Vogt, R.;
- Baltensperger, U.;
- Weingartner, E.
Publication type:
Article

Found: 32

Advanced source apportionment of size-resolved trace elements at multiple sites in London during winter.

Sensitivity estimations for cloud droplet formation in the vicinity of the high-alpine research station Jungfraujoch (3580ma.s.l.).

Kerb and urban increment of highly time-resolved trace elements in PM<sub>10</sub>, PM<sub>2.5</sub> and PM<sub>1.0</sub> winter aerosol in London during ClearfLo 2012.

Size-dependent particle activation properties in fog during the ParisFog 2012/13 field campaign.

Investigation of the effective peak supersaturation for liquid-phase clouds at the high-alpine site Jungfraujoch, Switzerland (3580ma.s.l.).

Aerosol decadal trends -- Part 1: In-situ optical measurements at GAW and IMPROVE stations.

Aerosol decadal trends -- Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations.

Spatial variation of aerosol optical properties around the high-alpine site Jungfraujoch (3580ma.s.l.).

Ground-based and airborne in-situ measurements of the Eyjafjallajökull volcanic aerosol plume in Switzerland in spring 2010.

Source apportionment of size and time resolved trace elements and organic aerosols from an urban courtyard site in Switzerland.

Size and time-resolved roadside enrichment of atmospheric particulate pollutants.

The ToF-ACSM: a portable aerosol chemical speciation monitor with TOFMS detection.

Evaluating the capabilities and uncertainties of droplet measurements for the fog droplet spectrometer (FM-100).

Quantitative sampling and analysis of trace elements in ambient air: impactor characterization and Synchrotron-XRF mass calibration.

Performance assessment of a volcanic ash transport model mini-ensemble used for inverse modeling of the 2010 Eyjafjallajökull eruption.

A 17 month climatology of the cloud condensation nuclei number concentration at the high alpine site Jungfraujoch.

Aerosol decadal trends -- Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations.

Aerosol decadal trends -- Part 1: In-situ optical measurements at GAW and IMPROVE stations.

Spatial variation of aerosol optical properties around the high-alpine site Jungfraujoch (3580ma.s.l.).

Ground-based and airborne in-situ measurements of the Eyjafjallajökull volcanic aerosol plume in Switzerland in spring 2010.

Source apportionment of size and time resolved trace elements and organic aerosols from an urban courtyard site in Switzerland.

The ToF-ACSM: a portable aerosol chemical speciation monitor with TOFMS detection.

Evaluating the capabilities and uncertainties of droplet measurements for the fog droplet spectrometer (FM-100).

Quantitative sampling and analysis of trace elements in atmospheric aerosols: impactor characterization and Synchrotron-XRF mass calibration.

Investigation of the Planetary Boundary Layer in the Swiss Alps Using Remote Sensing and In Situ Measurements.

Fourteen months of on-line measurements of the non-refractory submicron aerosol at the Jungfraujoch (3580ma.s.l.) -- chemical composition, origins and organic aerosol sources.

Chemical and physical influences on aerosol activation in liquid clouds: an empirical study based on observations from the Jungfraujoch, Switzerland.

Advanced source apportionment of size-resolved trace elements at multiple sites in London during winter.

Chemical and physical influences on aerosol activation in liquid clouds: an empirical study based on observations from the Jungfraujoch, Switzerland.

Advanced source apportionment of size-resolved trace elements at multiple sites in London during winter.

Variations in tropospheric submicron particle size distributions across the European continent 2008-2009.

Investigation of the effective peak supersaturation for liquid-phase clouds at the high-alpine site Jungfraujoch, Switzerland (3580 m a.s.l.).