Zobrazeno 1 - 10
of 353
pro vyhledávání: '"L. Mauldin"'
Autor:
K. D. Custard, C. R. Thompson, K. A. Pratt, P B. Shepson, J. Liao, L. G. Huey, J. J. Orlando, A. J. Weinheimer, E. Apel, S. R. Hall, F. Flocke, L. Mauldin, R. S. Hornbrook, D. Pöhler, S. General, J. Zielcke, W. R. Simpson, U. Platt, A. Fried, P. Weibring, B. C. Sive, K. Ullmann, C. Cantrell, D. J. Knapp, D. D. Montzka
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 18, Pp 10799-10809 (2015)
Arctic boundary layer nitrogen oxides (NOx = NO2 + NO) are naturally produced in and released from the sunlit snowpack and range between 10 to 100 pptv in the remote background surface layer air. These nitrogen oxides have significant effects on the
Externí odkaz:
https://doaj.org/article/3d9f98ad387847a58d4121e7796f350b
Autor:
M. Boy, D. Mogensen, S. Smolander, L. Zhou, T. Nieminen, P. Paasonen, C. Plass-Dülmer, M. Sipilä, T. Petäjä, L. Mauldin, H. Berresheim, M. Kulmala
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 7, Pp 3865-3879 (2013)
The effect of increased reaction rates of stabilized Criegee intermediates (sCIs) with SO2 to produce sulfuric acid is investigated using data from two different locations, SMEAR II, Hyytiälä, Finland, and Hohenpeissenberg, Germany. Results from MA
Externí odkaz:
https://doaj.org/article/01ec2d1f129d475f8d01d62639bfc5b9
Autor:
S. B. Henry, L. Kaser, F. N. Keutsch, J. P. DiGangi, Y. Nakashima, Y. Kajii, R. Hornbrook, E. Apel, K. Ullmann, A. Turnipseed, J. Greenberg, S. R. Hall, C. Cantrell, A. Guenther, T. Karl, L. Mauldin, G. M. Wolfe, S. Kim, R. Schnitzhofer, M. Graus, A. Hansel, W. Zheng, F. F. Flocke
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 4, Pp 2031-2044 (2013)
We present a detailed analysis of OH observations from the BEACHON (Bio-hydro-atmosphere interactions of Energy, Aerosols, Carbon, H2O, Organics and Nitrogen)-ROCS (Rocky Mountain Organic Carbon Study) 2010 field campaign at the Manitou Forest Observ
Externí odkaz:
https://doaj.org/article/7a990f314daf40538fe8512cf128ec4d
Autor:
D. R. Worsnop, L. Mauldin, H. Vehkamäki, M. Ehn, H. Junninen, M. Sipilä, I. K. Ortega, J. Smith, T. Petäjä, T. Kurtén, M. Kulmala
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 6, Pp 3007-3019 (2011)
The state-of-the art method for measuring atmospheric gas-phase sulfuric acid is chemical ionization mass spectrometry (CIMS) based on nitrate reagent ions. We have assessed the possible effect of the sulfuric acid molecules clustering with base mole
Externí odkaz:
https://doaj.org/article/6cd95d8bfbbb4f57a9e43fe265e364f4
Chemical evolution of volatile organic compounds in the outflow of the Mexico City Metropolitan area
Autor:
E. C. Apel, L. K. Emmons, T. Karl, F. Flocke, A. J. Hills, S. Madronich, J. Lee-Taylor, A. Fried, P. Weibring, J. Walega, D. Richter, X. Tie, L. Mauldin, T. Campos, A. Weinheimer, D. Knapp, B. Sive, L. Kleinman, S. Springston, R. Zaveri, J. Ortega, P. Voss, D. Blake, A. Baker, C. Warneke, D. Welsh-Bon, J. de Gouw, J. Zheng, R. Zhang, J. Rudolph, W. Junkermann, D. D. Riemer
Publikováno v:
Atmospheric Chemistry and Physics, Vol 10, Iss 5, Pp 2353-2375 (2010)
The volatile organic compound (VOC) distribution in the Mexico City Metropolitan Area (MCMA) and its evolution as it is uplifted and transported out of the MCMA basin was studied during the 2006 MILAGRO/MIRAGE-Mex field campaign. The results show tha
Externí odkaz:
https://doaj.org/article/5c7c05fc36a644ecb62b4962fed964cb
Autor:
R. J. Yokelson, J. D. Crounse, P. F. DeCarlo, T. Karl, S. Urbanski, E. Atlas, T. Campos, Y. Shinozuka, V. Kapustin, A. D. Clarke, A. Weinheimer, D. J. Knapp, D. D. Montzka, J. Holloway, P. Weibring, F. Flocke, W. Zheng, D. Toohey, P. O. Wennberg, C. Wiedinmyer, L. Mauldin, A. Fried, D. Richter, J. Walega, J. L. Jimenez, K. Adachi, P. R. Buseck, S. R. Hall, R. Shetter
Publikováno v:
Atmospheric Chemistry and Physics, Vol 9, Iss 15, Pp 5785-5812 (2009)
In March 2006 two instrumented aircraft made the first detailed field measurements of biomass burning (BB) emissions in the Northern Hemisphere tropics as part of the MILAGRO project. The aircraft were the National Center for Atmospheric Research C-1
Externí odkaz:
https://doaj.org/article/3906d493bba0473bb06a4d854e59ab6b
Publikováno v:
Gerontology and Geriatric Medicine, Vol 10 (2024)
Group activities and connection with nature are associated with improved well-being for older adults. This quasi-experiment tests the effectiveness of RASCALs , an innovative program of group activities using nature-focused livestream broadcasts. Ass
Externí odkaz:
https://doaj.org/article/46e2dbc013ed4d6db70c2d7de32843fd
Publikováno v:
Journal of Medical Internet Research, Vol 26, p e54745 (2024)
BackgroundDespite the potential benefits of using eHealth, sociodemographic disparities exist in eHealth use, which threatens to further widen health equity gaps. The literature has consistently shown age and education to be associated with eHealth u
Externí odkaz:
https://doaj.org/article/04f18d5816ae459ea8eab9dac0a16777
Autor:
Chunxiang Ye, Xianliang Zhou, Yingjie Zhang, Youfeng Wang, Jianshu Wang, Chong Zhang, Robert Woodward-Massey, Christopher Cantrell, Roy L. Mauldin, Teresa Campos, Rebecca S. Hornbrook, John Ortega, Eric C. Apel, Julie Haggerty, Samuel Hall, Kirk Ullmann, Andrew Weinheimer, Jochen Stutz, Thomas Karl, James N. Smith, Alex Guenther, Shaojie Song
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-10 (2023)
Abstract External cycling regenerating nitrogen oxides (NOx ≡ NO + NO2) from their oxidative reservoir, NOz, is proposed to reshape the temporal–spatial distribution of NOx and consequently hydroxyl radical (OH), the most important oxidant in the
Externí odkaz:
https://doaj.org/article/dc8026c53c4f45c198b40e6742d8522e
Publikováno v:
Open Praxis, Vol 16, Iss 2 (2024)
Open Educational Resources (OER) and renewable assignments that create OER are closely related and promote access to knowledge, collaboration, and community engagement. Through both, PhD students can contribute to the advancement of open education wh
Externí odkaz:
https://doaj.org/article/a67f1cbdb1f74bc998bed183f55faef9