i
NOx Lifetime and NOy Partitioning During WINTER
-
2018
Source: Journal of Geophysical Research-Atmospheres, 123(17), 9813-9827.
Details:
-
Journal Title:Journal of Geophysical Research: Atmospheres
-
Personal Author:Kenagy, Hannah S.
; Sparks, Tamara L.
; Ebben, Carlena J. ; Wooldrige, Paul J. ; Lopez‐Hilfiker, Felipe D.
; ... More +
Kenagy, Hannah S.; Sparks, Tamara L.
; Ebben, Carlena J. ; Wooldrige, Paul J. ; Lopez‐Hilfiker, Felipe D.
; Lee, Ben H.
; Thornton, Joel A.
; McDuffie, Erin E.
; Fibiger, Dorothy L.
; Brown, Steven S.
; Montzka, Denise D.
; Weinheimer, Andrew J.
; Schroder, Jason C. ; Campuzano‐Jost, Pedro
; Day, Douglas A.
; Jimenez, Jose L.
; Dibb, Jack E.
; Campos, Teresa ; Shah, Viral
; Jaeglé, Lyatt
; Cohen, Ronald C.
Less -
-
NOAA Program & Office:
-
Description:Although urban NOx lifetimes have been examined extensively during summertime conditions, wintertime NOx chemistry has been comparatively less studied. We use measurements of NOx and its oxidation products from the aircraft-based WINTER (Wintertime INvestigation of Transport, Emissions, and Reactivity) experiment over the northeastern United States during February-March 2015 to describe the NOx lifetime during conditions when days are shorter, actinic flux is reduced, and temperatures are colder. By analyzing regional outflow from the East Coast, we show that NOx is long lived during the winter, with a longer daytime lifetime (29hr) than nighttime lifetime (6.3hr). We demonstrate that wintertime NOx emissions have an overall lifetime controlled by the nighttime conversion of NOx to nitric acid (HNO3) via N2O5 heterogeneous chemistry, and we discuss constraints on the rates of NOx conversion to HNO3. Additionally, analysis of the nighttime O-x budget suggests that approximately 15% of O-3 is lost overnight through N2O5 production and subsequent reaction with aerosol to form HNO3. Plain Language Summary The atmospheric lifetime (how long something persists in the atmosphere) and fate of nitrogen oxides in urban areas during the summer has been studied extensively, but relatively few studies have looked at the lifetime of nitrogen oxides in the atmosphere during winter. We use aircraft data from the East Coast of the United States during February-March 2015 to characterize the wintertime lifetime of nitrogen oxides when days are shorter, sunlight is reduced, and temperatures are colder. We are able to measure the wintertime lifetime of nitrogen oxides and assess the relative roles of mixing, deposition, and chemistry on their fate. We determine that nitrogen oxide loss during winter is dominated by nighttime rather than daytime chemistry and that this nighttime chemistry effectively removes ozone from the atmosphere.
-
Source:Journal of Geophysical Research-Atmospheres, 123(17), 9813-9827.
-
Document Type:
-
Rights Information:Other
-
Compliance:Submitted
-
Main Document Checksum:urn:sha256:2221b8e3cdf40354599710b2bbb791684775abc45f958495264c31f3ffb1fc18
-
File Type:
Supporting Files
-
No Additional Files
More +
Related Documents
-
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
- File Format:
- RIS
Injection of lightning-produced NOx, water vapor, wildfire emissions, and stratospheric air to the UT/LS as observed from DC3 measurementsCitePersonal Author:Huntrieser, H. ;Lichtenstern, M....2016 | Journal of Geophysical Research-Atmospheres, 121(11), 6638-6668.Description:During the Deep Convective Clouds and Chemistry (DC3) experiment in summer 2012, airborne measurements were performed in the anvil inflow/outflow of t...Personal Author:Engebretson, M. J. ;Posch, J. L....2018 | Journal of Geophysical Research-Space Physics, 123(8), 6394-6423.Description:This paper presents observations of electromagnetic ion cyclotron (EMIC) waves from multiple data sources during the four Geospace Environment Modelin...Personal Author:Nakamura, R. ;Varsani, A....2018 | Journal of Geophysical Research-Space Physics, 123(2), 1260-1278.Description:We present characteristics of current layers in the off-equatorial near-Earth plasma sheet boundary observed with high time-resolution measurements fr...Personal Author:Jordan, C. E. ;Pszenny, A. A. P....2015 | Journal of Geophysical Research-Atmospheres, 120(2), 678-694.Description:The Nitrogen, Aerosol Composition, and Halogens on a Tall Tower campaign (February-March 2011) near Boulder, Colorado, investigated nighttime ClNO2 pr...Space Weather Modeling Capabilities Assessment: Neutral Density for Orbit Determination at low Earth orbitCitePersonal Author:Bruinsma, S. ;Sutton, E....2018 | Space Weather-the International Journal of Research and Applications, 16(11), 1806-1816.Description:The specification and prediction of density changes in the thermosphere is a key challenge for space weather observations and modeling, because it is ...Personal Author:Liemohn, M. W. ;McCollough, J. P....2018 | Space Weather-the International Journal of Research and Applications, 16(12), 2079-2102.Description:Geomagnetic indices are convenient quantities that distill the complicated physics of some region or aspect of near-Earth space into a single paramete...Validation of Ionospheric Specifications During Geomagnetic Storms TEC and foF2 During the 2013 March Storm EventCitePersonal Author:Shim, J. S. ;Tsagouri, I....2018 | Space Weather-the International Journal of Research and Applications, 16(11), 1686-1701.Description:To address challenges of assessing space weather modeling capabilities, the Community Coordinated Modeling Center is leading a newly established Inter...Forecasting the Arrival Time of Coronal Mass Ejections: Analysis of the CCMC CME ScoreboardCitePersonal Author:Riley, P. ;Mays, M. L....2018 | Space Weather-the International Journal of Research and Applications, 16(9), 1245-1260.Description:Accurate forecasting of the properties of coronal mass ejections (CMEs) as they approach Earth is now recognized as an important strategic objective f...The Optical Autocovariance Wind Lidar. Part II: Green OAWL (GrOAWL) Airborne Performance and ValidationCitePersonal Author:Baidar, S. ;Tucker, S. C....2018 | Journal of Atmospheric and Oceanic Technology, 35(10), 2099-2116.Description:A two-look airborne Doppler wind lidar operating at the 532-nm laser wavelength, the Green Optical Autocovariance Wind Lidar (GrOAWL), was built and f...Characteristic Atmospheric Radiative Heating Rate Profiles in Arctic Clouds as Observed at Barrow, AlaskaCitePersonal Author:Turner, D. D. ;Shupe, M. D....2018 | Journal of Applied Meteorology and Climatology, 57(4), 953-968.Description:A 2-yr cloud microphysical property dataset derived from ground-based remote sensors at the Atmospheric Radiation Measurement site near Barrow, Alaska...How Well Are Clouds Simulated over Greenland in Climate Models? Consequences for the Surface Cloud Radiative Effect over the Ice SheetCitePersonal Author:Lacour, A. ;Chepfer, H....2018 | Journal of Climate, 31(22), 9293-9312.Description:Using lidar and radiative flux observations from space and ground, and a lidar simulator, we evaluate clouds simulated by climate models over the Gree...Personal Author:Welling, D. T. ;Ngwira, C. M....2018 | Space Weather-the International Journal of Research and Applications, 16(12), 1912-1920.Description:Data-model validation of ground magnetic perturbation forecasts, specifically of the time rate of change of surface magnetic field, dB/dt, is a critic...The effect of atmospheric sulfate reductions on diffuse radiation and photosynthesis in the United States during 1995-2013CitePersonal Author:Keppel-Aleks, G. ;Washenfelder, R. A.2016 | Geophysical Research Letters, 43(18), 9984-9993.Description:Aerosol optical depth (AOD) has been shown to influence the global carbon sink by increasing the fraction of diffuse light, which increases photosynth...Non-OH chemistry in oxidation flow reactors for the study of atmospheric chemistry systematically examined by modelingCite2016 | Atmospheric Chemistry and Physics, 16(7), 4283-4305.Description:Oxidation flow reactors (OFRs) using low-pressure Hg lamp emission at 185 and 254 nm produce OH radicals efficiently and are widely used in atmospheri...Agricultural fires in the southeastern US during SEAC(4)RS: Emissions of trace gases and particles and evolution of ozone, reactive nitrogen, and organic aerosolCitePersonal Author:Liu, Xiaoxi ;Zhang, Y....2016 | Journal of Geophysical Research-Atmospheres, 121(12), 7383-7414.Description:Emissions from 15 agricultural fires in the southeastern U.S. were measured from the NASA DC-8 research aircraft during the summer 2013 Studies of Emi...Challenges and Opportunities for Data Assimilation in Mountainous EnvironmentsCite2018 | Atmosphere, 9(4), 13.Description:This contribution aims to summarize the current state of data assimilation research as applied to land and atmosphere simulation and prediction in mou...Explicit Convection and Scale-Aware Cumulus Parameterizations: High-Resolution Simulations over Areas of Different Topography in GermanyCitePersonal Author:Wagner, Andreas ;Heinzeller, Dominikus...2018 | Monthly Weather Review, 146(6), 1925-1944.Description:An increase in the spatial resolution of regional climate model simulations improves the representation of land surface characteristics and may allow ...Source Partitioning of Methane Emissions and its Seasonality in the US MidwestCite2018 | Journal of Geophysical Research-Biogeosciences, 123(2), 646-659.Description:The methane (CH4) budget and its source partitioning are poorly constrained in the Midwestern United States. We used tall tower (185m) aerodynamic flu...Strong Contrast in Remote Black Carbon Aerosol Loadings Between the Atlantic and Pacific BasinsCite2018 | Journal of Geophysical Research-Atmospheres, 123(23), 13386-13395.Description:Measurements of black carbon (BC) aerosol mass concentration in remote air are sparse, leading to poorly constrained regions that models struggle to r...
More +