Journal of Geophysical Research: Atmospheres

Cover image for Vol. 120 Issue 3

Accepted Articles (Accepted, unedited articles published online and citable. The final edited and typeset version of record will appear in future.)

Impact Factor: 3.44

ISI Journal Citation Reports © Ranking: 2013: 24/173 (Geosciences Multidisciplinary)

Online ISSN: 2169-8996

Associated Title(s): Journal of Geophysical Research


  1. 1 - 68
  1. Research Articles

    1. Aerosol and Clouds

      Modeling Stepped Leaders Using a Time Dependent Multi-dipole Model and High-speed Video Data

      Sumedhe Karunarathe, Thomas C. Marshall, Maribeth Stolzenburg and Nadeeka Karunarathna1;Richard E Orville

      Accepted manuscript online: 28 FEB 2015 01:20PM EST | DOI: 10.1002/2014JD022679

      Key Points

      • Five stepped leaders of cloud to ground lightning flashes were modeled
      • 2D locations of stepped leaders were obtained using high-speed video data
      • Charge transfer, line charge density, and average current values were obtained
    2. Composition and Chemistry

      Characterization of black carbon-containing particles from soot particle aerosol mass spectrometer (SP-AMS) measurements on the R/V Atlantis during CalNex 2010

      Paola Massoli, Timothy B. Onasch, Christopher D. Cappa, Ibraheem Nuamaan, Jani Hakala, Katherine Hayden, Shao-Meng Li, Donna T. Sueper, Timothy S. Bates, Patricia K. Quinn, John T. Jayne and Douglas R. Worsnop

      Accepted manuscript online: 28 FEB 2015 08:51AM EST | DOI: 10.1002/2014JD022834

      Key Points

      • Black carbon containing particles are characterized via mass spectrometry
      • Comparison with a co-located standard mass spectrometer is presented
      • Approximately 35% of the measured submicron aerosol mass contains black carbon
    3. Aerosol and Clouds

      Approximate Expressions for Lightning Electromagnetic Fields at Near and Far Ranges: Influence of Return-Stroke Speed*

      Yazhou Chen, Xiaojia Wang and Vladimir A. Rakov

      Accepted manuscript online: 28 FEB 2015 08:51AM EST | DOI: 10.1002/2014JD022867

      Key Points

      • The lightning electromagnetic fields waveshapes at certain ranges are analyzed
      • The effect of lightning speed on the electromagnetic fields is analyzed
    4. Composition and Chemistry

      Airborne measurements of organosulfates over the continental US

      Jin Liao, Karl D. Froyd, Daniel M. Murphy, Frank N. Keutsch, Ge Yu, Paul O. Wennberg, Jason M. St. Clair, John D. Crounse, Armin Wisthaler, Tomas Mikoviny, Jose L. Jimenez, Pedro Campuzano Jost, Douglas A. Day, Weiwei Hu, Thomas B. Ryerson, Ilana B. Pollack, Jeff Peischl, Bruce E. Anderson, Luke D. Ziemba, Donald R. Blake, Simone Meinardi and Glenn Diskin

      Accepted manuscript online: 28 FEB 2015 08:51AM EST | DOI: 10.1002/2014JD022378

      Key Points

      • IEPOX sulfate is an isoprene SOA tracer at acidic and low NO conditions
      • Glycolic acid sulfate may be more abundant than IEPOX sulfate globally
      • SO2 impacts IEPOX sulfate by increasing aerosol acidity and water uptake
    5. Climate and Dynamics

      How well do regional climate models simulate the spatial dependence of precipitation? An application of pair-copula constructions

      Ingrid Hobæk Haff, Arnoldo Frigessi and Douglas Maraun

      Accepted manuscript online: 27 FEB 2015 04:46PM EST | DOI: 10.1002/2014JD022748

      Key Points

      • RCMs reproduce overall spatial dependence, yet with considerablediscrepancies
      • These discrepancies only moderately affect area aggregated heavyprecipitation
      • Pair-copula constructions can model dependence in mean and heavyprecipitation
    6. Composition and Chemistry

      Observing and modeling the influence of layering on bubble trapping in polar firn

      Logan E. Mitchell, Christo Buizert, Edward J. Brook, Daniel J. Breton, John Fegyveresi, Daniel Baggenstos, Anais Orsi, Jeffrey Severinghaus, Richard B. Alley, Mary Albert, Rachael H. Rhodes, Joseph R. McConnell, Michael Sigl, Olivia Maselli, Stephanie Gregory and Jinho Ahn

      Accepted manuscript online: 26 FEB 2015 01:57PM EST | DOI: 10.1002/2014JD022766

      Key Points

      • Gas occlusion and firn layering are observed in high-resolution measurements
      • We present an improved porosity parameterization that accounts for layering
      • Understanding layering is important for interpretation of ice core gas records
    7. Climate and Dynamics

      Improving snow albedo processes in WRF/SSiB regional climate model to assess impact of dust and black carbon in snow on surface energy balance and hydrology over Western U.S.

      Catalina M. Oaida, Yongkang Xue, Mark G. Flanner, S. McKenzie Skiles, Fernando De Sales and Thomas H. Painter

      Accepted manuscript online: 26 FEB 2015 01:57PM EST | DOI: 10.1002/2014JD022444

      Key Points

      • Including snow aging & aerosols in snow improve offline & WRF snow simulations
      • Dust & black/organic carbon exert nontrivial radiative forcing in western U.S.
      • RCM simulation shows temperature increase & snow mass loss from aerosols in snow
    8. Aerosol and Clouds

      RACORO Continental Boundary Layer Cloud Investigations. Part III: Separation of Parameterization Biases in Single-Column Model CAM5 Simulations of Shallow Cumulus

      Wuyin Lin, Yangang Liu, Andrew M. Vogelmann, Ann Fridlind, Satoshi Endo, Hua Song, Sha Feng, Tami Toto, Zhijin Li and Minghua Zhang

      Accepted manuscript online: 26 FEB 2015 01:57PM EST | DOI: 10.1002/2014JD022524

      Key Points

      • Integrated SCM-LES framework for the evaluation of cumulus scheme in CAM5
      • Large low-level cloud biases in SCAM5 traced to insufficient simulated PBL TKE
      • Underrepresentation of shallow cumulus in SCAM5 distorts PBL cloud processes
    9. Climate and Dynamics

      Climatic uncertainty in Himalayan Water Towers

      Vimal Mishra

      Accepted manuscript online: 26 FEB 2015 06:09AM EST | DOI: 10.1002/2014JD022650

      Key Points

      • Good agreement in observed temperature and precipitation
      • CORDEX-RCMs underestimate temperature overestimate warming
      • Uncertainty in the RCMs is far larger than observations
    10. Large Snowmelt versus Rainfall Events in the Mountains

      Steven R. Fassnacht and Rosemary M. Records

      Accepted manuscript online: 26 FEB 2015 06:05AM EST | DOI: 10.1002/2014JD022753

      Key Points

      • large daily snowmelt equals or exceeds precipitation in the mountains
      • daily precipitation equals or exceeds rainfall in the mountains
    11. Sources of Discrepancies between Satellite-Derived and Land Surface Model Estimates of Latent Heat Fluxes

      Alan E. Lipton, Pan Liang, Carlos Jiménez, Jean-Luc Moncet, Filipe Aires, Catherine Prigent, Richard Lynch, John F. Galantowicz, Robert P. d'Entremont and Gennady Uymin

      Accepted manuscript online: 26 FEB 2015 06:05AM EST | DOI: 10.1002/2014JD022641

      Key Points

      • Satellite-model difference analysis identified model parameterization problems
      • Satellite-model difference analysis identified problems with model precipitation
      • Latent heat fluxes from satellite and upscaled flux tower data were similar
    12. Changes of seasonal storm properties in California and Nevada from an ensemble of climate projections

      Peng Jiang, Zhongbo Yu, Mahesh R. Gautam, Yong Zhang and Kumud Acharya

      Accepted manuscript online: 26 FEB 2015 06:05AM EST | DOI: 10.1002/2014JD022414

      Key Points

      • Performances of RCMs in simulating storm properties differ among locations
      • Individual RCM exhibits large uncertainty in changes of storm properties
      • Changing storm properties will impact on other hydrological processes
    13. Daily minimum and maximum surface air temperatures from geostationary satellite data

      Elizabeth Good

      Accepted manuscript online: 26 FEB 2015 06:04AM EST | DOI: 10.1002/2014JD022438

      Key Points

      • Geostationary satellite data are used to estimate daily Tmin/Tmax over Europe
      • A dynamic empirical multiple-linear regression model is used
      • The majority of estimated Tmin/Tmax are within 3-4 deg C of station data
    14. Observed anomalous atmospheric patterns in summers of unusual Arctic sea ice melt

      Erlend M. Knudsen, Yvan J. Orsolini, Tore Furevik and Kevin I. Hodges

      Accepted manuscript online: 26 FEB 2015 05:54AM EST | DOI: 10.1002/2014JD022608

      Key Points

      • Distinct atmospheric patterns in summers of anomalous Arctic sea ice melt
      • Storms track more zonal in midlatitudes than into the Arctic
      • A positive cloud feedback characterize the Arctic
    15. A model study of regional air-sea interaction in the austral summer precipitation over southern Africa

      J. V. Ratnam, Yushi Morioka, Swadhin K. Behera and Toshio Yamagata

      Accepted manuscript online: 25 FEB 2015 05:08PM EST | DOI: 10.1002/2014JD022154

      Key Point

      • importance of air-sea interaction in simulating southern Africa precipitation
    16. Aerosol and Clouds

      Optical Properties of Selected Components of Mineral Dust Aerosol Processed with Organic Acids and Humic Material

      Jennifer M. Alexander, V.H. Grassian, M.A. Young and P.D. Kleiber

      Accepted manuscript online: 24 FEB 2015 01:06AM EST | DOI: 10.1002/2014JD022782

      Key Points

      • Visible light scattering of dust processed by organic materials is studied
      • Significant changes in dust optical properties result from processing
      • Processing can alter mineral dust particle shape factors
    17. Optical properties and CCN activity of aerosols in a high-altitude Himalayan environment: Results from RAWEX-GVAX

      Mukunda M. Gogoi, S. Suresh Babu, V. Jayachandran, K. Krishna Moorthy, S. K. Satheesh, Manish Naja and V. R. Kotamarthi

      Accepted manuscript online: 24 FEB 2015 12:52AM EST | DOI: 10.1002/2014JD022966

      Key Points

      • Aerosol optical properties and CCN activity at high altitude Himalayas
      • CCN concentration is high when aerosol absorption is also high
      • Seasonality in CCN activity over Himalayas
    18. Composition and Chemistry

      Photoabsorption cross-section measurements of 32S, 33S, 34S and 36S sulfur dioxide from 190 to 220 nm.

      Yoshiaki Endo, Sebastian O. Danielache, Yuichiro Ueno, Shohei Hattori, Matthew S. Johnson, Naohiro Yoshida and Henrik G. Kjaergaard

      Accepted manuscript online: 24 FEB 2015 12:52AM EST | DOI: 10.1002/2014JD021671

      Key Points

      • UV cross-sections of sulfur SO2 isotopologues have been measured.
      • This report improves previously measured spectra and extents to 36SO2.
      • UV photodissociation of SO2 reproduce the isotopic imprint in the Archean record
    19. A Total Ozone Dependent Ozone Profile Climatology based on Ozone-Sondes and Aura MLS Data

      Gordon J. Labow, Jerald R. Ziemke, Richard D. McPeters, David P. Haffner and Pawan K. Bhartia

      Accepted manuscript online: 24 FEB 2015 12:46AM EST | DOI: 10.1002/2014JD022634

      Key Points

      • New, total ozone- based ozone profile climatology
      • Captures natural variability better than older climatologies
      • MLS and ozone sonde data do not agree
    20. Climate and Dynamics

      The effect of aerosols and sea surface temperature on China's climate in late twentieth century from ensembles of global climate simulations

      D. Folini and M. Wild

      Accepted manuscript online: 20 FEB 2015 07:20PM EST | DOI: 10.1002/2014JD022851

      Key Points

      • Aerosols and sea surface temperatures both matter for climate in China
      • Aerosol effects are found to be stronger for lower model resolution
      • Natural cloud variability is relevant for modeled surface solar radiation trends
    21. A Southern Hemisphere Sea Level Pressure-based Precursor for ENSO Warm and Cold Events

      B.D. Hamlington, R.F. Milliff, H. van Loon and K.-Y. Kim

      Accepted manuscript online: 20 FEB 2015 10:52AM EST | DOI: 10.1002/2014JD022674

      Key Points

      • CSEOFs are used to extract SLP variability leading to extreme ENSO events.
      • The dominant Southern Hemisphere CSEOF modes are ENSO-related.
      • SLP variations in May-June-July are shown predict onset of ENSO WE and CE.
    22. Retrieving the refractive index, emissivity, and surface temperature of polar sea ice from 6.9 GHz microwave measurements: A theoretical development

      Sang-Moo Lee and Byung-Ju Sohn

      Accepted manuscript online: 20 FEB 2015 10:18AM EST | DOI: 10.1002/2014JD022481

      Key Points

      • We developed an algorithm for retrieving emissivity and temperature of sea ice
      • Retrieved sea ice emissivities are in good agreement with theoretical values
      • Potential applications for studying climate changes associated with sea ice
    23. Composition and Chemistry

      Sulfur dioxide vertical column DOAS retrievals from the Ozone Monitoring Instrument: Global observations and comparison to ground-based and satellite data

      N. Theys, I. De Smedt, J. van Gent, T. Danckaert, T. Wang, F. Hendrick, T. Stavrakou, S. Bauduin, L. Clarisse, C. Li, N. Krotkov, H. Yu, H. Brenot and M. Van Roozendael

      Accepted manuscript online: 20 FEB 2015 07:30AM EST | DOI: 10.1002/2014JD022657

      Key Points

      • Development of OMI SO2 vertical column algorithm
      • Results are compared to ground-based and satellite data sets
      • The algorithm is able to detect weak SO2 sources
    24. Climate and Dynamics

      Diurnal and seasonal changes in near surface humidity in a complex orography

      Simone Fatichi, Peter Molnar, Theodoros Mastrotheodoros and Paolo Burlando

      Accepted manuscript online: 19 FEB 2015 05:22AM EST | DOI: 10.1002/2014JD022537

      Key Points

      • There is a marked seasonality of humidity and temperature trends in Switzerland
      • Changes in near surface humidity do not always follow Clausius-Clapeyron scaling
      • Teleconnection indices support a shift in the circulation patterns
    25. The influence of the Amundsen Sea Low on the winds in the Ross Sea and surroundings: Insights from a synoptic climatology.

      Jack H. J. Coggins and Adrian J. McDonald

      Accepted manuscript online: 19 FEB 2015 05:14AM EST | DOI: 10.1002/2014JD022830

      Key Points

      • Ross Sea winds are more sensitive to movement of the ASL, than its depth
      • The summer response to the ASL is very different to the winter
      • The response to two depth metrics (MSLP and RMSLP) is substantially different
    26. The Impacts of Cloud Snow Radiative Effects on Pacific Ocean Surface Heat Fluxes, Surface Wind Stress, and Ocean Temperatures in Coupled GCM Simulations

      J.-L. F. Li, W.-L. Lee, Tong Lee, Eric Fetzer, Jia-Yuh Yu, Terence L. Kubar and Carmen Boening

      Accepted manuscript online: 19 FEB 2015 01:18AM EST | DOI: 10.1002/2014JD022538

      Key Points

      • Most GCMs consider cloud-radiation with suspended cloud
      • We characterize the radiation impacts of falling snow in a CGCM
      • Bias of SSTs associated with the exclusion of snow-radiation are significant
    27. Global survey of concentric gravity waves in AIRS images and ECMWF analysis

      Jie Gong, Jia Yue and Dong L. Wu

      Accepted manuscript online: 19 FEB 2015 01:17AM EST | DOI: 10.1002/2014JD022527

      Key Points

      • First Climatology of Concentric Gravity Wave (CGW) in the stratosphere
      • Concentric ring wave characteristics have strong diurnal variations
      • ECMWF resolved CGWs mimic the AIRS observation well with some discrepancy
    28. Simulated warm periods of climate over China during the last two millennia: The Sui-Tang warm period versus the Song-Yuan warm period

      Qing Yan, Zhongshi Zhang, Huijun Wang and Dabang Jiang

      Accepted manuscript online: 19 FEB 2015 12:54AM EST | DOI: 10.1002/2014JD022941

      Key Points

      • Modeling climate change in the Sui-Tang warm period and Song-Yuan warm period
      • Mechanisms responsible for the two warm periods are different
      • Sui-Tang warm period may be a regional phenomenon in China
    29. Aerosol and Clouds

      Two regimes of cloud water over the Okhotsk Sea and the adjacent regions around Japan in summer

      Teruhisa Shimada and Toshiki Iwasaki

      Accepted manuscript online: 19 FEB 2015 12:54AM EST | DOI: 10.1002/2014JD022536

      Key Points

      • Two regimes of cloud water with a dipole structure were derived
      • The Okhotsk high generates a thin layer of low-level clouds
      • Cyclonic circulation induces a thick layer of low-level clouds and fog
    30. Composition and Chemistry

      You have full text access to this OnlineOpen article
      Quantifying atmospheric methane emissions from the Haynesville, Fayetteville, and northeastern Marcellus shale gas production regions

      J. Peischl, T. B. Ryerson, K. C. Aikin, J. A. de Gouw, J. B. Gilman, J. S. Holloway, B. M. Lerner, R. Nadkarni, J. A. Neuman, J. B. Nowak, M. Trainer, C. Warneke and D. D. Parrish

      Accepted manuscript online: 18 FEB 2015 10:00AM EST | DOI: 10.1002/2014JD022697

      Key Points

      • CH4 emissions from Haynesville, Fayetteville, and Marcellus regions quantified
      • CH4 emissions similar to previously-studied gas-producing regions
      • CH4 loss rates lower than previously-studied gas-producing regions
    31. Aerosol and Clouds

      Effect of cold wave on winter visibility over eastern China

      Wenjun Qu, Jun Wang, Xiaoye Zhang, Zhifeng Yang and Shanhong Gao

      Accepted manuscript online: 17 FEB 2015 05:31PM EST | DOI: 10.1002/2014JD021958

      Key Points

      • Highlight regional climate change affects visibility (Vis) and air quality
      • Weakened wind and less cold wave contribute to winter Vis decline over China
      • Link Vis with cold wave makes long-term prediction of low Vis more practical
    32. Composition and Chemistry

      Updated PMC Trends Derived from SBUV Data

      Matthew T. DeLand and Gary E. Thomas

      Accepted manuscript online: 16 FEB 2015 10:24AM EST | DOI: 10.1002/2014JD022253

      Key Points

      • SBUV instruments have observed long-term changes in PMCs since 1978
      • Expressing PMC behavior in terms of ice water content reduces local time effects
      • PMC trends in IWC have been significantly flatter since the late 1990s
    33. The summer 2012 Greenland heat wave: in situ and remote sensing observations of water vapour isotopic composition during an atmospheric river event

      Jean-Louis Bonne, Hans Christian Steen-Larsen, Camille Risi, Martin Werner, Harald Sodemann, Jean-Lionel Lacour, Xavier Fettweis, Grégory Cesana, Marc Delmotte, Olivier Cattani, Paul Vallelonga, Helle Astrid Kjær, Cathy Clerbaux, Árny Erla Sveinbjörnsdóttirffilmark and Valérie Masson-Delmotte

      Accepted manuscript online: 13 FEB 2015 10:56AM EST | DOI: 10.1002/2014JD022602

      Key Points

      • Water vapour isotopic fingerprint of greenland summer 2012 atmospheric river
      • Surface and remote sensing observations and models depict similar patterns
      • Strong influence of subtropical north Atlantic moisture with low distillation
    34. Climate and Dynamics

      Forecasting surface wind speeds over offshore islands near Taiwan during tropical cyclones: Comparisons of data-driven algorithms and parametric wind representations

      Chih-Chiang Wei

      Accepted manuscript online: 11 FEB 2015 03:30PM EST | DOI: 10.1002/2014JD022568

      Key Points

      • SVR models are used to forecast hourly surface wind speeds over offshore islands
      • Three parametric wind representations were compared with kernel-based SVR models
      • A comparison of SVR models and parametric wind representations was provided
    35. Aerosol and Clouds

      Spectral observations of a natural bipolar cloud-to-ground lightning

      Simin Xue, Ping Yuan, Jianyong Cen, Yajun Li and Xuejuan Wang

      Accepted manuscript online: 11 FEB 2015 03:30PM EST | DOI: 10.1002/2014JD022598

      Key Points

      • A natural bipolar cloud-to-ground lightning with two return strokes is recorded
      • The spectral structure of two return strokes and M-components
      • The spectral characteristics of different channel sections
    36. Climate and Dynamics

      Importance of boundary layer mixing for the isotopic composition of surface vapor over the subtropical North Atlantic Ocean

      Marion Benetti, Giovanni Aloisi, Gilles Reverdin, Camille Risi and Geneviève Sèze

      Accepted manuscript online: 11 FEB 2015 07:16AM EST | DOI: 10.1002/2014JD021947

      Key Points

      • Evaporation and mixing control vapor isotope variability at the ocean surface
      • Deuterium excess is a robust indicator of evaporative conditions over the ocean
      • The water vapor residence time affects d-excess variability at the near-surface
    37. Three-dimensional structures of tropical nonmigrating tides in a high-vertical-resolution global circulation model

      Takatoshi Sakazaki, Kaoru Sato, Yoshio Kawatani and Shingo Watanabe

      Accepted manuscript online: 11 FEB 2015 07:08AM EST | DOI: 10.1002/2014JD022464

      Key Points

      • Nonmigraing tides are examined without using zonal-wavenumber decomposition.
      • Tropical nonmigrating tides emanate mainly from Africa and South-America.
      • Filtering by the S-SAO wind is likely important for the tidal seasonality.
    38. Composition and Chemistry

      Hemispheric asymmetries and seasonality of mean age of air in the lower stratosphere: Deep versus shallow branch of the Brewer-Dobson circulation

      Paul Konopka, Felix Ploeger, Mengchu Tao, Thomas Birner and Martin Riese

      Accepted manuscript online: 11 FEB 2015 05:45AM EST | DOI: 10.1002/2014JD022429

      Key Points

      • Hemispheric asymmetries andthe seasonality of mean age are explained
      • Forcing of the BD circulation quantified in isentropic coordinates
      • Different seasonalities of the deep and shallow branches of the BD circulation
    39. Aerosol and Clouds

      The inuence of absorbed solar radiation by Saharan dust on hurricane

      Sebastian Bretl, Philipp Reutter, Christoph C. Raible, Sylvaine Ferrachat, Christina Schnadt Poberaj, Laura Revell and Ulrike Lohmann

      Accepted manuscript online: 11 FEB 2015 05:25AM EST | DOI: 10.1002/2014JD022441

      Key Points

      • Ensemble sensitivity simulations with and without dust radiative effects
      • Strengthening of SAL vertical circulation with radiatively active dust
      • Southward shift of hurricanes with radiatively active dust
    40. Evaluation of the radiation budget with a regional climate model over Europe and inspection of dimming and brightening

      Marc Chiacchio, Fabien Solmon, Filippo Giorgi, Paul Stackhouse Jr. and Martin Wild

      Accepted manuscript online: 9 FEB 2015 12:59AM EST | DOI: 10.1002/2014JD022497

      Key Points

      • Overestimation of surface net solar radiation agrees with global climate models
      • Flux biases at top of atmosphere are mainly related to errors in clouds
      • Brightening was simulated up until 2000 and agrees with station records
    41. Composition and Chemistry

      Stratospheric sulfur and its implications for radiative forcing simulated by the chemistry climate model EMAC

      C. Brühl, J. Lelieveld, H. Tost, M. Höpfner and N. Glatthor

      Accepted manuscript online: 9 FEB 2015 12:49AM EST | DOI: 10.1002/2014JD022430

      Key Points

      • COS and volcanic injections of SO2 explain most of stratospheric aerosol
      • Simulated radiative forcing consistent with estimates from observations
      • All eruptions detected by MIPAS should be considered
    42. Aerosol and Clouds

      Processing of aerosol particles within the Habshan pollution plume

      T. A. Semeniuk, R. Bruintjes, V. Salazar, D. Breed, T. Jensen and P. R. Buseck

      Accepted manuscript online: 7 FEB 2015 04:55PM EST | DOI: 10.1002/2014JD022279

      Key Points

      • Documents formation and aging of diverse internally mixed particles in the plume
      • Uptake of non-sea salts changes hygroscopic properties of ambient particles
      • Uptake of sulfates changes aerosol properties, affecting regional sulfate load
    43. Climate and Dynamics

      Instantaneous Phase Shift of Annual Subsurface Temperature Cycles Derived by the Hilbert-Huang Transform

      Yang-Yi Sun, Chieh-Hung Chen, Jann-Yenq Liu, Chung-Ho Wang and Deng-Lung Chen

      Accepted manuscript online: 7 FEB 2015 04:48PM EST | DOI: 10.1002/2014JD022574

      Key Points

      • Using HHT to derive phase shifts of annual subsurface temperature cycles
      • Relationship between PDO and heat transport in subsurface
      • Relationship between precipitation and heat transport in subsurface
    44. Climatic controls on the interannual to decadal variability in Saudi Arabian dust activity: Towards the development of a seasonal dust prediction model

      Yan Yu, Michael Notaro, Zhengyu Liu, Fuyao Wang, Fahad Alkolibi, Eyad Fadda and Fawzieh Bakhrjy

      Accepted manuscript online: 7 FEB 2015 08:38AM EST | DOI: 10.1002/2014JD022611

      Key Points

      • Saudi Arabian dust activity has distinct interannual and decadal variability.
      • Dust variability is related to springtime rainfall and summertime wind.
      • Saudi Arabian dust frequency is well predicted by SSTs and precipitation.
    45. Aerosol and Clouds

      An improved methodology for deriving high resolution surface shortwave radiative fluxes from MODIS in the Arctic region

      Xiaolei Niu and Rachel T. Pinker

      Accepted manuscript online: 6 FEB 2015 06:42AM EST | DOI: 10.1002/2014JD022151

      Key Points

      • Advanced quality and resolution of shortwave fluxes over the Arctic
      • Facilitated the estimate of heat input into the open waters of the Arctic
      • Utilized most recent information on surface properties in the Arctic
    46. Sulfuric Acid Nucleation: An Experimental Study of the Effect of Seven Bases

      W. A. Glasoe, K. Volz, B. Panta, N. Freshour, R. Bachman, D. R. Hanson, P. H. McMurry and C. Jen

      Accepted manuscript online: 6 FEB 2015 02:39AM EST | DOI: 10.1002/2014JD022730

      Key Points

      • Sulfuric acid nucleation with bases depend strongly on the type of base.
      • When both an amine and ammonia are present, nucleation is enhanced.
      • Only weak effects were observed with amides.
    47. Composition and Chemistry

      Upper tropospheric ozone production from lightning NOx-impacted convection; smoke ingestion case study from the DC3 campaign

      E. C. Apel, R. S. Hornbrook, A. J. Hills, N. J. Blake, M. C. Barth, A. Weinheimer, C. Cantrell, S. A. Rutledge, B. Basarab, J. Crawford, G. Diskin, C. R. Homeyer, T. Campos, F. Flocke, A. Fried, D. R. Blake, W. Brune, I. Pollack, J. Peischl, T. Ryerson, P. O. Wennberg, J. D. Crounse, A. Wisthaler, T. Mikoviny, G. Huey, B. Heikes, D. O'Sullivan and D. D. Riemer

      Accepted manuscript online: 6 FEB 2015 02:38AM EST | DOI: 10.1002/2014JD022121

      Key Points

      • lightning NOx is a key driver of ozone production in storm outflows
      • Storms can transport biomass burning emissions to the upper troposphere
      • Acrolein is shown to be a good tracerfor fresh biomass burning emissions
    48. Intercomparison of Total Precipitable Water Measurements Made by Satellite-Borne Microwave Radiometers and Ground-Based GPS Instruments

      Carl A. Mears, Junhong Wang, Deborah Smith and Frank J. Wentz

      Accepted manuscript online: 6 FEB 2015 02:38AM EST | DOI: 10.1002/2014JD022694

      Key Points

      • Ground-based GPS and microwave satellite retrievals of water vapor agree well.
      • Comparisons GPS and Satellite water vapor are important for dataset validation.
    49. Climate and Dynamics

      Vertical structure of cumulonimbus towers and intense convective clouds over the South Asian region during the summer monsoon season

      G.S. Bhat and Shailendra Kumar

      Accepted manuscript online: 5 FEB 2015 08:58PM EST | DOI: 10.1002/2014JD022552

      Key Points

      • Vertical structure of convective clouds in South Asian monsoon systems
      • Radar reflectivity profiles derived from TRMM 2A25 data
      • South Asian clouds more intense than their counterparts elsewhere above 11 km
    50. Atmospheric water vapor retrieval from Landsat 8 thermal infrared images

      Huazhong Ren, Chen Du, Rongyuan Liu, Qiming Qin, Guangjian Yan, Zhao-Liang Li and Jinjie Meng

      Accepted manuscript online: 5 FEB 2015 08:54PM EST | DOI: 10.1002/2014JD022619

      Key Points

      • A new method was developed to estimate water vapor from TIRS image of Landsat 8
      • Water vapor can be retrieved with accuracy better than 0.3 g/cm2
      • Validation was conducted using AERONET ground-measured and MODIS water vapor
    51. Composition and Chemistry

      Using Single Scattering Albedo Spectral Curvature to Characterize East Asian Aerosol Mixtures

      Jing Li, Barbara E. Carlson and Andrew A. Lacis

      Accepted manuscript online: 4 FEB 2015 04:25AM EST | DOI: 10.1002/2014JD022433

      Key Points

      • SSA spectra are frequently peaked at 675 nm over East Asia.
      • The second derivative of SSA spectrum can be used to infer fine/coarse fraction.
      • Results suggest dust fraction ~0.4 results in the largest SSA curvature.
    52. Climate and Dynamics

      Tropical Cyclones in the North American Regional Reanalysis: An Assessment of Spatial Biases in Location, Intensity, and Structure

      Stephanie E. Zick and Corene J. Matyas

      Accepted manuscript online: 3 FEB 2015 08:43AM EST | DOI: 10.1002/2014JD022417

      Key Points

      • NARR and CFSR intensities are highly correlated despite differing model setups
      • NARR positions improved near/over U.S. with lower standard deviations than CFSR
      • CFSR has stronger tangential winds but NARR secondary circulation more realistic
    53. Composition and Chemistry

      Estimates of CO2 Traffic Emissions from Mobile Concentration Measurements

      H. L. Maness, M. E. Thurlow, B. C. McDonald and R. A. Harley

      Accepted manuscript online: 3 FEB 2015 08:04AM EST | DOI: 10.1002/2014JD022876

      Key Points

      • High resolution traffic data are needed to interpret urban CO2 concentrations.
      • An inexpensive mobile system is used to collect simultaneous traffic & CO2 data.
      • Data from the prototype are modeled to provide emissions estimates.
    54. Climate and Dynamics

      Evaluation of CMIP5 upper troposphere and lower stratosphere geopotential height with GPS radio occultation observations

      Chi O. Ao, Jonathan H. Jiang, Anthony J. Mannucci, Hui Su, Olga Verkhoglyadova, Chengxing Zhai, Jason Cole, Leo Donner, Trond Iversen, Cyril Morcrette, Leon Rotstayn, Masahiro Watanabe and Seiji Yukimoto

      Accepted manuscript online: 3 FEB 2015 08:03AM EST | DOI: 10.1002/2014JD022239

      Key Points

      • Geopotential heights from GPS RO were used to evaluate CMIP5 simulations
      • Models agree well with observations in the tropics in mean and variability
      • Models agree poorly with observations and among themselves over the extratropics
    55. Airborne GPS radio occultation refractivity profiles observed in tropical storm environments

      B. J. Murphy, J.S. Haase, P. Muradyan, J.L. Garrison and K.-N. Wang

      Accepted manuscript online: 3 FEB 2015 05:10AM EST | DOI: 10.1002/2014JD022931

      Key Points

      • Atmospheric refractivity profiles found using Airborne Radio Occultation (ARO)
      • This is the first utilization of ARO in a full scale science mission.
      • ARO refractivity is generally within 2% of independent sounding measurements
    56. Composition and Chemistry

      Investigation of the transport processes controlling the geographic distribution of carbon monoxide at the tropical tropopause

      E. J. Jensen, L. Pfister, R. Ueyama, J. W. Bergman and D. Kinnison

      Accepted manuscript online: 2 FEB 2015 01:57AM EST | DOI: 10.1002/2014JD022661

      Key Points

      • Highest tropical convection controls tropical tropopause CO.
      • Tropical tropopause heating rate distribution affects tracer distribution.
      • Tibetan Plateau convection is important for Asian anticyclone CO concentration.
    57. Climate and Dynamics

      Projection of Indian Summer Monsoon Climate in 2041-2060 by Multi-Regional and Global Climate Models

      Xiaorui Niu, Shuyu Wang, Jianping Tang, Dong-Kyou Lee, William Gutowski, Koji Dairaku, John McGregor, Jack Katzfey, Xuejie Gao, Jia Wu, Songyou Hong, Yuqing Wang and Hidetaka Sasaki

      Accepted manuscript online: 1 FEB 2015 06:08PM EST | DOI: 10.1002/2014JD022620

      Key Points

      • The simulations of Indian summer monsoon climate by multi-models
      • The climate projection over Indian Peninsula generated by multi-RCMs
      • Inter-model variability in future climate projection over Indian Peninsula
    58. Composition and Chemistry

      The Global Structure of UTLS Ozone in GEOS-5: A Multi-Year Assimilation of EOS Aura Data

      Krzysztof Wargan, Steven Pawson, Mark A. Olsen, Jacquelyn C. Witte, Anne R. Douglass, Jerald R. Ziemke, Susan E. Strahan and J. Eric Nielsen

      Accepted manuscript online: 30 JAN 2015 06:24PM EST | DOI: 10.1002/2014JD022493

      Key Points

      • Ozone observations from OMI and MLS are assimilated into GEOS-5
      • Very good agreement with ozonesondes in the lower stratosphere
      • Representation of transport-driven ozone structures in the UTLS
    59. Aerosol and Clouds

      Cloud-Induced Uncertainties in AIRS and ECMWF Temperature and Specific Humidity

      Sun Wong, Eric J. Fetzer, Mathias Schreier, Gerald Manipon, Evan F. Fishbein, Brian H. Kahn, Qing Yue and Fredrick W. Irion

      Accepted manuscript online: 29 JAN 2015 09:01PM EST | DOI: 10.1002/2014JD022440

      Key Points

      • AIRS q and T errors depend on cloud properties in the footprints
      • AIRS retrievals reduce errors from Neural Network in thin cloud conditions.
      • AIRS has dry biases in thick cloud conditions, while ECMWF has moist biases.
    60. Improving Representation of Convective Transport for Scale-Aware Parameterization, Part II: Analysis of Cloud-Resolving Model Simulations

      Yi-Chin Liu, Jiwen Fan, Guang J. Zhang, Kuan-Man Xu and Steven J. Ghan

      Accepted manuscript online: 29 JAN 2015 06:34PM EST | DOI: 10.1002/2014JD022145

      Key Points

      • Top-hat method presents downdraft flux well; underestimates updraft eddy flux
      • Three-updraft approach improves representation of updraft eddy flux
      • Simplified 3-updraft and 1-downdraft form well represents eddy flux across scale
    61. Insights from modeling and observational evaluation of a precipitating continental cumulus event observed during the MC3E field campaign

      David B. Mechem, Scott E. Giangrande, Carly S. Wittman, Paloma Borque, Tami Toto and Pavlos Kollias

      Accepted manuscript online: 29 JAN 2015 06:34PM EST | DOI: 10.1002/2014JD022255

      Key Points

      • New ARM scanning radars can highlight differences in numerical simulations.
      • Simulations constrained to observations captured key aspects of the cloud event.
      • More complete observations are required to constrain 3D cloud behavior.
    62. Climate and Dynamics

      Hydrological extremes in hyper-arid regions: A diagnostic characterization of intense precipitation over the Central Arabian Peninsula

      Niranjan Kumar, Dara Entekhabi and Annalisa Molini

      Accepted manuscript online: 29 JAN 2015 04:31PM EST | DOI: 10.1002/2014JD022341

      Key Points

      • Synoptic signatures explain local rain extremes in hyper-arid climates
      • Peripheral circulation phase locking causes extremes over the Arabian Peninsula
      • Linking aridity & extremes is crucial to climate projections under aridification
    63. Composition and Chemistry

      Quantifying the impacts of an updated global dimethylsulfide (DMS) climatology on cloud microphysics and aerosol radiative forcing

      Anoop S. Mahajan, Suvarna Fadnavis, Manu A. Thomas, Luca Pozzoli, Smrati Gupta, Sarah-Jeanne Royer, Alfonso Saiz-Lopez and Rafel Simó

      Accepted manuscript online: 28 JAN 2015 01:50PM EST | DOI: 10.1002/2014JD022687

      Key Points

      • Provides quantitative comparison of DMS climatology impacts.
      • Results indicate that the updated climatology shows significant differences.
      • Simulations suggest the updated climatology better represents the DMS emissions
    64. Climate and Dynamics

      Simultaneous Observations of the Phase-Locked Two Day Wave at Adelaide, Cerro Pachon and Darwin

      R. L. Walterscheid, J. H. Hecht, L. J. Gelinas, A. MacKinnon, R. A. Vincent, I. M. Reid, S. J. Franke, Y. Zhao, M. J. Taylor and P. D. Pautet

      Accepted manuscript online: 24 JAN 2015 02:22PM EST | DOI: 10.1002/2014JD022016

      Key Points

      • Southern hemisphere two day wave is subharmonic of diurnal tide
      • Southern hemisphere two day wave is anticorrelated with diurnal tide
      • Austral summer two day wave consistent with parametric subharmonic instability
    65. Aerosol and Clouds

      Long-term and seasonal variability of the aerosol optical depth at Mt. Kasprowy Wierch (Poland)

      Krzysztof M. Markowicz and Joanna Uscka-Kowalkowska

      Accepted manuscript online: 24 JAN 2015 08:34AM EST | DOI: 10.1002/2014JD022580

      Key Points

      • Retrieval of AOD from long-term observation by Linke-Feussner pyrheliometer
      • Trends of AOD for broadband and narrowband are -0.012 and -0.018/10yr
      • Seasonal cycle AOD is similar to lowland stations in Central Europe
    66. Observation of sea salt fraction in sub-100 nm diameter particles at Cape Grim

      Luke T. Cravigan, Zoran Ristovski, Robin L. Modini, Melita D. Keywood and John L. Gras

      Accepted manuscript online: 23 JAN 2015 11:37PM EST | DOI: 10.1002/2014JD022601

      Key Points

      • Characterisation of high concentration sea spray aerosol event
      • Sub-100 nm SSA organic volume fraction of up to 11 - 46% and size independent.
      • Free tropospheric entrainment coincided with enhanced SSA concentrations.
    67. You have full text access to this OnlineOpen article
      A Snowfall Detection Algorithm Over Land Utilizing High-frequency Passive Microwave Measurements – Application To ATMS

      Cezar Kongoli, Huan Meng, Jun Dong and Ralph Ferraro

      Accepted manuscript online: 9 JAN 2015 11:56PM EST | DOI: 10.1002/2014JD022427

      Key Points

      • A snowfall algorithm from passive microwave measurements has been developed.
    68. Climate and Dynamics

      Detectability of CO2 flux signals by a space-based lidar mission

      Dorit M. Hammerling, S. Randolph Kawa, Kevin Schaefer, Scott Doney and Anna M. Michalak

      Accepted manuscript online: 8 JAN 2015 02:11PM EST | DOI: 10.1002/2014JD022483

      Key Points

      • Detectability of regional changes in CO2 fluxes by space-based lidar
      • Permafrost thawing flux perturbation readily detectable by ASCENDS-like mission
      • Southern Ocean ENSO-related flux variability detectable as zonal change


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