Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Fred L. Eisele"'
Autor:
David Tan, William Neff, Samuel J. Oltmans, Fred L. Eisele, David B. Tanner, Greg Huey, James H. Crawford, James M. Roberts, Frank Flocke, Richard Arimoto, S. Brooks, Jack E. Dibb, Douglas D. Davis, Manuel A. Hutterli, Gao Chen, Bryan J. Johnson, Lee Mauldin, Yuhang Wang, Donald R. Blake, M. P. Buhr, Detlev Helmig
Publikováno v:
Atmospheric Environment. 42:2749-2761
The Antarctic Tropospheric Chemistry Investigation (ANTCI) was carried out from late November to December 2003 with both extended ground-based and tethered balloon studies at Amundsen Scott Station, South Pole. ANTCI 2003 was the first of two Antarct
Autor:
Richard E. Shetter, Bruce E. Henry, G. Chen, Barry Lefer, David B. Tanner, Greg Huey, Roy L. Mauldin, E. Kosciuch, Fred L. Eisele, Douglas D. Davis
Publikováno v:
Atmospheric Environment. 38:5423-5437
Measurements of hydroxyl radical (OH), sulfuric acid (H2SO4) and methane sulfonic acid (MSA) together with the first HO2+RO2 observations at the South Pole are presented. These results were recorded as part of the Investigation of Sulfur Chemistry in
Autor:
M. Buhr, E. Kosciuch, John B. Nowak, G. Chen, Richard Arimoto, Roy L. Mauldin, David J. Tanner, D. Slusher, L. G. Huey, Jack E. Dibb, Douglas D. Davis, Fred L. Eisele
Publikováno v:
Atmospheric Environment. 38:5411-5421
HNO 3 and SO 2 were measured by chemical ionization mass spectrometry at the South Pole (SP) during ISCAT 2000 (December, 2000). HNO 3 mixing ratios averaged 22 pptv and ranged from less than 5 to 68 pptv. A simple steady state photochemical analysis
Autor:
A. Hogan, Donald R. Blake, Peter H. McMurry, M. P. Buhr, Aaron L. Swanson, Douglas D. Davis, Matthew A. Lazzara, P. Grube, Heinz Bingemer, Donald C. Thornton, S. R. Semmer, Fred L. Eisele, Harald Berresheim, Manuel A. Hutterli, Simone Meinardi, Roger C. Bales, G. Chen, James H. Crawford, Donald H. Lenschow, D. Slusher, Steven P. Oncley, L. Gregory Huey, Ji Young Park, Lee Mauldin, Jack E. Dibb, Barry Lefer, Richard E. Shetter, Richard Arimoto, Joseph R. McConnell, David B. Tanner, Alan R. Bandy
Publikováno v:
Atmospheric Environment. 38:5363-5373
The Investigation of Sulfur Chemistry in the Antarctic Troposphere (ISCAT) took place over the timer period of 15 November to 31 December in the year 2000. The study location was the Amundsen Scott Station in Antarctica. ISCAT 2000 defines the second
Autor:
Robert W. Talbot, Richard E. Shetter, Sasha Madronich, Alan Fried, Lee Mauldin, Barry Lefer, Brian G. Heikes, Donald R. Blake, Andrew J. Weinheimer, Christopher A. Cantrell, Brian A. Ridley, Elliot Atlas, M. T. Coffey, Frank Flocke, Craig Stroud, Fred L. Eisele, B. Wert
Publikováno v:
Journal of Atmospheric Chemistry. 47:107-138
Local ozone production and loss rates for the arctic free troposphere (58–85° N, 1–6 km, February–May) during the TroposphericOzone Production about the Spring Equinox (TOPSE) campaign were calculated using a constrained photochemical box mode
Thermal Desorption Chemical Ionization Mass Spectrometer for Ultrafine Particle Chemical Composition
Publikováno v:
Aerosol Science and Technology. 37:471-475
A thermal desorption chemical ionization mass spectrometer has been developed for real time, quantitative chemical analysis of ultrafine particles. The technique combines recently developed nanoparticle separation and collection techniques with highl
Publikováno v:
Aerosol Science and Technology. 36:554-559
The sizing capability of an ultrafine particle condensation nucleus counter (which uses butanol as the condensing fluid) equipped with pulse height analysis was evaluated in terms of particle composition for sulfuric acid aerosol and sulfuric acid ae
Autor:
Daniel O'Sullivan, Richard E. Shetter, G. Chen, Barry Lefer, Ian Faloona, G. W. Sachse, Nicola J. Blake, William H. Brune, Brian G. Heikes, Donald R. Blake, Scott T. Sandholm, Melody A. Avery, Bruce E. Anderson, Yuhang Wang, David B. Tanner, Christopher A. Cantrell, Stephanie A. Vay, L. Mauldin, Fred L. Eisele, Brian A. Ridley, James Walega, Mary Anne Carroll, Denise D. Montzka, G. Grodzinsky, D. Tan, James H. Crawford, F. E. Grahek, J. Snow, Douglas D. Davis
Publikováno v:
Journal of Geophysical Research: Atmospheres. 106:32691-32707
Reported here are tropical/subtropical Pacific basin OH observational data presented in a latitude/altitude geographical grid. They cover two seasons of the year (spring and fall) that reflect the timing of NASA's PEM-Tropics A (1996) and B (1999) fi
Autor:
David Tan, E. Kosciuch, John B. Nowak, Douglas D. Davis, Christopher A. Cantrell, G. Chen, Fred L. Eisele, David J. Tanner, B. Brune, Ian Faloona, Roy L. Mauldin, L. Wang
Publikováno v:
Journal of Geophysical Research: Atmospheres. 106:32683-32689
OH measurements were performed on both the P3-B and the DC-8 aircraft throughout Pacific Exploratory Mission (PEM) Tropics B, using two very different measurement techniques. While no direct comparison was possible because of the difference in flight
Autor:
Barry Lefer, Richard E. Shetter, Peter H. McMurry, John B. Nowak, A. Hogan, M. Buhr, L. Mauldin, Douglas D. Davis, G. Chen, Fred L. Eisele, Richard Arimoto, David B. Tanner
Publikováno v:
Geophysical Research Letters. 28:3625-3628
Reported here are the first Austral summer measurements of NO at South Pole (SP). They arc unique in that the levels are one to two orders of magnitude higher (i.e., median, 225 pptv) than measured at other polar sites. The available evidence suggest