Search Results - "LAJ, P"

Recommendations for reporting "black carbon" measurements by Petzold, A, Ogren, J. A, Fiebig, M, Laj, P, Li, S.-M, Baltensperger, U, Holzer-Popp, T, Kinne, S, Pappalardo, G, Sugimoto, N, Wehrli, C, Wiedensohler, A, Zhang, X.-Y

“…Although black carbon (BC) is one of the key atmospheric particulate components driving climate change and air quality, there is no agreement on the…”
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A European aerosol phenomenology-5: Climatology of black carbon optical properties at 9 regional background sites across Europe by Zanatta, M., Gysel, M., Bukowiecki, N., Müller, T., Weingartner, E., Areskoug, H., Fiebig, M., Yttri, K.E., Mihalopoulos, N., Kouvarakis, G., Beddows, D., Harrison, R.M., Cavalli, F., Putaud, J.P., Spindler, G., Wiedensohler, A., Alastuey, A., Pandolfi, M., Sellegri, K., Swietlicki, E., Jaffrezo, J.L., Baltensperger, U., Laj, P.

“…A reliable assessment of the optical properties of atmospheric black carbon is of crucial importance for an accurate estimation of radiative forcing. In this…”
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Aerosol mass and black carbon concentrations, a two year record at NCO-P (5079 m, Southern Himalayas) by Marinoni, A., Cristofanelli, P., Laj, P., Duchi, R., Calzolari, F., Decesari, S., Sellegri, K., Vuillermoz, E., Verza, G. P., Villani, P., Bonasoni, P.

“…Aerosol mass and the absorbing fraction are important variables, needed to constrain the role of atmospheric particles in the Earth radiation budget, both…”
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Snow cover sensitivity to black carbon deposition in the Himalayas: from atmospheric and ice core measurements to regional climate simulations by Ménégoz, M, Krinner, G, Balkanski, Y, Boucher, O, Cozic, A, Lim, S, Ginot, P, Laj, P, Gallée, H, Wagnon, P, Marinoni, A, Jacobi, H. W

“…We applied a climate-chemistry global model to evaluate the impact of black carbon (BC) deposition on the Himalayan snow cover from 1998 to 2008. Using a…”
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Atmospheric Brown Clouds in the Himalayas: first two years of continuous observations at the Nepal Climate Observatory-Pyramid (5079 m) by Bonasoni, P., Laj, P., Marinoni, A., Sprenger, M., Angelini, F., Arduini, J., Bonafè, U., Calzolari, F., Colombo, T., Decesari, S., Di Biagio, C., di Sarra, A. G., Evangelisti, F., Duchi, R., Facchini, MC, Fuzzi, S., Gobbi, G. P., Maione, M., Panday, A., Roccato, F., Sellegri, K., Venzac, H., Verza, GP, Villani, P., Vuillermoz, E., Cristofanelli, P.

“…This paper provides a detailed description of the atmospheric conditions characterizing the high Himalayas, thanks to continuous observations begun in March…”
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Estimated impact of black carbon deposition during pre-monsoon season from Nepal Climate Observatory – Pyramid data and snow albedo changes over Himalayan glaciers by Yasunari, T. J., Bonasoni, P., Laj, P., Fujita, K., Vuillermoz, E., Marinoni, A., Cristofanelli, P., Duchi, R., Tartari, G., Lau, K.-M.

“…The possible minimal range of reduction in snow surface albedo due to dry deposition of black carbon (BC) in the pre-monsoon period (March–May) was estimated…”
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Biogenic particles formed in the Himalaya as an important source of free tropospheric aerosols by Bianchi, F., Junninen, H., Bigi, A., Sinclair, V. A., Dada, L., Hoyle, C. R., Zha, Q., Yao, L., Ahonen, L. R., Bonasoni, P., Buenrostro Mazon, S., Hutterli, M., Laj, P., Lehtipalo, K., Kangasluoma, J., Kerminen, V.-M., Kontkanen, J., Marinoni, A., Mirme, S., Molteni, U., Petäjä, T., Riva, M., Rose, C., Sellegri, K., Yan, C., Worsnop, D. R., Kulmala, M., Baltensperger, U., Dommen, J.

“…Aerosols of biogenic and anthropogenic origin affect the total radiative forcing of global climate. Poor knowledge of the pre-industrial aerosol concentration…”
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Refractory black carbon mass concentrations in snow and ice: method evaluation and inter-comparison with elemental carbon measurement by Lim, S, Faïn, X, Zanatta, M, Cozic, J, Jaffrezo, J.-L, Ginot, P, Laj, P

“…Accurate measurement of black carbon (BC) mass concentrations in snow and ice is crucial for the assessment of climatic impacts. However, it is difficult to…”
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Chemical composition of PM10 and PM1 at the high-altitude Himalayan station Nepal Climate Observatory-Pyramid (NCO-P) (5079 m a.s.l.) by Decesari, S, Facchini, M C, Carbone, C, Giulianelli, L, Rinaldi, M, Finessi, E, Fuzzi, S, Marinoni, A, Cristofanelli, P, Duchi, R, Bonasoni, P, Vuillermoz, E, Cozic, J, Jaffrezo, J L, Laj, P

“…We report chemical composition data for PM10 and PM1 from the Nepal Climate Observatory-Pyramid (NCO-P), the world's highest aerosol observatory, located at…”
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Aerosol decadal trends – Part 1: In-situ optical measurements at GAW and IMPROVE stations by Collaud Coen, M., 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., Lund Myhre, C., Malm, W. C., Mihapopoulos, N., Molenar, J. V., O'Dowd, C., Ogren, J. A., Schichtel, B. A., Sheridan, P., Virkkula, A., Weingartner, E., Weller, R., Laj, P.

“…Currently many ground-based atmospheric stations include in-situ measurements of aerosol physical and optical properties, resulting in more than 20 long-term…”
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Seasonal variation of aerosol size distributions in the free troposphere and residual layer at the puy de Dôme station, France by Venzac, H., Sellegri, K., Villani, P., Picard, D., Laj, P.

“…Particle number concentration and size distribution are important variables needed to constrain the role of atmospheric particles in the Earth radiation…”
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Mobility particle size spectrometers: harmonization of technical standards and data structure to facilitate high quality long-term observations of atmospheric particle number size distributions by Wiedensohler, A, Birmili, W, Nowak, A, Sonntag, A, Weinhold, K, Merkel, M, Wehner, B, Tuch, T, Pfeifer, S, Fiebig, M, Fjäraa, A. M, Asmi, E, Sellegri, K, Depuy, R, Venzac, H, Villani, P, Laj, P, Aalto, P, Ogren, J. A, Swietlicki, E, Williams, P, Roldin, P, Quincey, P, Hüglin, C, Fierz-Schmidhauser, R, Gysel, M, Weingartner, E, Riccobono, F, Santos, S, Grüning, C, Faloon, K, Beddows, D, Harrison, R, Monahan, C, Jennings, S. G, O'Dowd, C. D, Marinoni, A, Horn, H.-G, Keck, L, Jiang, J, Scheckman, J, McMurry, P. H, Deng, Z, Zhao, C. S, Moerman, M, Henzing, B, de Leeuw, G, Löschau, G, Bastian, S

“…Mobility particle size spectrometers often referred to as DMPS (Differential Mobility Particle Sizers) or SMPS (Scanning Mobility Particle Sizers) have found a…”
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A 10 year record of black carbon and dust from a Mera Peak ice core (Nepal): variability and potential impact on melting of Himalayan glaciers by Ginot, P, Dumont, M, Lim, S, Patris, N, Taupin, J.-D, Wagnon, P, Gilbert, A, Arnaud, Y, Marinoni, A, Bonasoni, P, Laj, P

“…A shallow ice core was extracted at the summit of Mera Peak at 6376 m a.s.l. in the southern flank of the Nepalese Himalaya range. From this core, we…”
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A European aerosol phenomenology -4: Harmonized concentrations of carbonaceous aerosol at 10 regional background sites across Europe by Cavalli, F., Alastuey, A., Areskoug, H., Ceburnis, D., Čech, J., Genberg, J., Harrison, R.M., Jaffrezo, J.L., Kiss, G., Laj, P., Mihalopoulos, N., Perez, N., Quincey, P., Schwarz, J., Sellegri, K., Spindler, G., Swietlicki, E., Theodosi, C., Yttri, K.E., Aas, W., Putaud, J.P.

“…Although particulate organic and elemental carbon (OC and EC) are important constituents of the suspended atmospheric particulate matter (PM), measurements of…”
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Frequent nucleation events at the high altitude station of Chacaltaya (5240 m a.s.l.), Bolivia by Rose, C., Sellegri, K., Velarde, F., Moreno, I., Ramonet, M., Weinhold, K., Krejci, R., Ginot, Patrick, Andrade, M., Wiedensohler, A., Laj, P.

“…While nucleation may represent one of the major processes responsible for the total aerosol number burden in the atmosphere, and especially at high altitude,…”
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Black carbon in snow in the upper Himalayan Khumbu Valley, Nepal: observations and modeling of the impact on snow albedo, melting, and radiative forcing by Jacobi, H.-W, Lim, S, Ménégoz, M, Ginot, P, Laj, P, Bonasoni, P, Stocchi, P, Marinoni, A, Arnaud, Y

“…Black carbon (BC) in snow in the Himalayas has recently attracted considerable interest due to its impact on snow albedo, snow and glacier melting, regional…”
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Hygroscopic properties and mixing state of aerosol measured at the high-altitude site Puy de Dôme (1465 m a.s.l.), France by Holmgren, H., Sellegri, K., Hervo, M., Rose, C., Freney, E., Villani, P., Laj, P.

“…A Hygroscopicity Tandem Differential Mobility Analyser (HTDMA) was used to evaluate the hygroscopic properties of aerosol particles measured at the Puy de Dôme…”
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Measurement report: Long-range transport and the fate of dimethyl sulfide oxidation products in the free troposphere derived from observations at the high-altitude research station Chacaltaya (5240 m a.s.l.) in the Bolivian Andes by Scholz, Wiebke, Shen, Jiali, Aliaga, Diego, Wu, Cheng, Carbone, Samara, Moreno, Isabel, Zha, Qiaozhi, Huang, Wei, Heikkinen, Liine, Jaffrezo, Jean Luc, Uzu, Gaelle, Partoll, Eva, Leiminger, Markus, Velarde, Fernando, Laj, Paolo, Ginot, Patrick, Artaxo, Paolo, Wiedensohler, Alfred, Kulmala, Markku, Mohr, Claudia, Andrade, Marcos, Sinclair, Victoria, Bianchi, Federico, Hansel, Armin

“…Dimethyl sulfide (DMS) is the primary natural contributor to the atmospheric sulfur burden. Observations concerning the fate of DMS oxidation products after…”
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Single Particle Soot Photometer intercomparison at the AIDA chamber by Laborde, M, Schnaiter, M, Linke, C, Saathoff, H, Naumann, K.-H, Möhler, O, Berlenz, S, Wagner, U, Taylor, J. W, Liu, D, Flynn, M, Allan, J. D, Coe, H, Heimerl, K, Dahlkötter, F, Weinzierl, B, Wollny, A. G, Zanatta, M, Cozic, J, Laj, P, Hitzenberger, R, Schwarz, J. P, Gysel, M

“…Soot particles, consisting of black carbon (BC), organic carbon (OC), inorganic salts, and trace elements, are emitted into the atmosphere during incomplete…”
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Investigation of nucleation events vertical extent: a long term study at two different altitude sites by Boulon, J., Sellegri, K., Hervo, M., Picard, D., Pichon, J.-M., Fréville, P., Laj, P.

“…In this work we present an analysis of the occurrence of nucleation events during more than three years of measurements at two different rural altitude sites,…”
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