Search Results - "BURKHOLDER, J. B"

Measurement of HONO, HNCO, and other inorganic acids by negative-ion proton-transfer chemical-ionization mass spectrometry (NI-PT-CIMS): application to biomass burning emissions by Roberts, J. M., Veres, P., Warneke, C., Neuman, J. A., Washenfelder, R. A., Brown, S. S., Baasandorj, M., Burkholder, J. B., Burling, I. R., Johnson, T. J., Yokelson, R. J., de Gouw, J.

“…A negative-ion proton-transfer chemical ionization mass spectrometric technique (NI-PT-CIMS), using acetate as the reagent ion, was applied to the measurement…”
Get full text

Rate coefficients for the reaction of O(1D) with the atmospherically long-lived greenhouse gases NF3, SF5CF3, CHF3, C2F6, c-C4F8, n-C5F12, and n-C6F14 by Baasandorj, M, Hall, B D, Burkholder, J B

“…The contribution of atmospherically persistent (long-lived) greenhouse gases to the radiative forcing of Earth has increased over the past several decades. The…”
Get full text

Global emission estimates and radiative impact of C4F10, C5F12, C6F14, C7F16 and C8F18 by Ivy, D J, Rigby, M, Baasandorj, M, Burkholder, J B, Prinn, R G

“…Global emission estimates based on new atmospheric observations are presented for the acylic high molecular weight perfluorocarbons (PFCs): decafluorobutane…”
Get full text

Rate coefficients for the gas-phase reaction of OH with (Z)-3-hexen-1-ol, 1-penten-3-ol, (E)-2-penten-1-ol, and (E)-2-hexen-1-ol between 243 and 404 K by Davis, M. E., Burkholder, J. B.

“…Rate coefficients, k, for the gas-phase reaction of the OH radical with (Z)-3-hexen-1-ol (Z)-CH3CH2CH = CHCH2CH2OH) (k1), 1-penten-3-ol (CH3CH2CH(OH)CH = CH2)…”
Get full text

Bromine measurements in ozone depleted air over the Arctic Ocean by Neuman, J. A., Nowak, J. B., Huey, L. G., Burkholder, J. B., Dibb, J. E., Holloway, J. S., Liao, J., Peischl, J., Roberts, J. M., Ryerson, T. B., Scheuer, E., Stark, H., Stickel, R. E., Tanner, D. J., Weinheimer, A.

“…In situ measurements of ozone, photochemically active bromine compounds, and other trace gases over the Arctic Ocean in April 2008 are used to examine the…”
Get full text

Laboratory studies of the homogeneous nucleation of iodine oxides by Burkholder, J. B., Curtius, J., Ravishankara, A. R., Lovejoy, E. R.

“…Laboratory experimental results of iodine oxide nucleation are presented. Nucleation was induced following UV photolysis of CF3I or CH2I2 in the presence of…”
Get full text

Modeling the possible role of iodine oxides in atmospheric new particle formation by Pechtl, S., Lovejoy, E. R., Burkholder, J. B., von Glasow, R.

“…We studied the possible role of iodine oxides in atmospheric new particle formation with the one-dimensional marine boundary layer model MISTRA, which includes…”
Get full text

UV absorption cross sections of nitrous oxide (N 2 O) and carbon tetrachloride (CCl 4 ) between 210 and 350 K and the atmospheric implications by Rontu Carlon, N., Papanastasiou, D. K., Fleming, E. L., Jackman, C. H., Newman, P. A., Burkholder, J. B.

“…Absorption cross sections of nitrous oxide (N2O) and carbon tetrachloride (CCl4) are reported at five atomic UV lines (184.95, 202.548, 206.200, 213.857, and…”
Get full text

Rate coefficients for the reaction of methylglyoxal (CH3COCHO) with OH and NO3 and glyoxal (HCO)2 with NO3 by Talukdar, R K, Zhu, L, Feierabend, K J, Burkholder, J B

“…Rate coefficients, k, for the gas-phase reaction of CH3 COCHO (methylglyoxal) with the OH and NO3 radicals and (CHO)2 (glyoxal) with the NO3 radical are…”
Get full text

Laboratory evaluation of the effect of nitric acid uptake on frost point hygrometer performance by Thornberry, T., Gierczak, T., Gao, R. S., Vömel, H., Watts, L. A., Burkholder, J. B., Fahey, D. W.

“…Chilled mirror hygrometers (CMH) are widely used to measure water vapour in the troposphere and lower stratosphere from balloon-borne sondes. Systematic…”
Get full text

The photochemistry of acetone in the upper troposphere: A source of odd-hydrogen radicals by McKeen, S. A., Gierczak, T., Burkholder, J. B., Wennberg, P. O., Hanisco, T. F., Keim, E. R., Gao, R.-S., Liu, S. C., Ravishankara, A. R., Fahey, D. W.

“…This paper summarizes measured photodissociation quantum yields for acetone in the 290‐320 nm wavelength region for pressures and temperatures characteristic…”
Get full text

The very short-lived ozone depleting substance CHBr3 (bromoform): revised UV absorption spectrum, atmospheric lifetime and ozone depletion potential by D. K. Papanastasiou, S. A. McKeen, J. B. Burkholder

“…CHBr3 (bromoform) is a short-lived atmospheric trace compound that is primarily of natural origin and is a source of reactive bromine in both the troposphere…”
Get full text

The very short-lived ozone depleting substance CHBr 3 (bromoform): revised UV absorption spectrum, atmospheric lifetime and ozone depletion potential by Papanastasiou, D. K., McKeen, S. A., Burkholder, J. B.

“…CHBr3 (bromoform) is a short-lived atmospheric trace compound that is primarily of natural origin and is a source of reactive bromine in both the troposphere…”
Get full text

Upper limit for the UV absorption cross sections of H2SO4 by Burkholder, James B., Mills, Mike, McKeen, Stuart

“…An upper limit for the gas phase absorption cross sections for H2SO4 over the wavelength range 195 to 330 nm has been determined. Absorption measurements were…”
Get full text

Resolution of the uncertainties in the radiative forcing of HFC-134a by Forster, Piers M. de F., Burkholder, J.B., Clerbaux, C., Coheur, P.F., Dutta, M., Gohar, L.K., Hurley, M.D., Myhre, G., Portmann, R.W., Shine, K.P., Wallington, T.J., Wuebbles, D.

“…HFC-134a (CF 3 CH 2 F) is the most rapidly growing hydrofluorocarbon in terms of atmospheric abundance. It is currently used in a large number of household…”
Get full text

Atmospheric lifetime of CHF2Br, a proposed substitute for Halons by TALUKDAR, R, MELLOUKI, A, GIERCZAK, T, BURKHOLDER, J. B, MCKEEN, S. A, RAVISHANKARA, A. R

“…The rate coefficients, k(1), for the reaction of OH with CHF(2)Br have been measured using pulsed photolysis and discharge flow techniques at temperatures (T)…”
Get full text

Global warming potential estimates for the C1–C3 hydrochlorofluorocarbons (HCFCs) included in the Kigali Amendment to the Montreal Protocol by Papanastasiou, Dimitrios K, Beltrone, Allison, Marshall, Paul, Burkholder, James B

“…Hydrochlorofluorocarbons (HCFCs) are ozone depleting substances and potent greenhouse gases that are controlled under the Montreal Protocol. However, the…”
Get full text

Temperature dependence of UV absorption cross sections and atmospheric implications of several alkyl iodides by Roehl, Coleen M., Burkholder, James B., Moortgat, Geert K., Ravishankara, A. R., Crutzen, Paul J.

“…The ultraviolet absorption spectra of a number of alkyl iodides which have been found in the troposphere, CH3I, C2H5I, CH3CH2CH2I, CH3CHICH3, CH2I2, and…”
Get full text

Atmospheric fate of methyl vinyl ketone and methacrolein by GIERCZAK, T, BURKHOLDER, J. B, TALUKDAR, R. K, MELLOUKI, A, BARONE, S. B, RAVISHANKARA, A. R

Get full text

A photochemical, thermodynamic, and kinetic study of ClOO by MAULDIN, R. L, BURKHOLDER, J. B, RAVISHANKARA, A. R

Get full text