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Journal of Geophysical Research: Atmospheres (1984–2012)

Cover image for Journal of Geophysical Research: Atmospheres (1984–2012)

16 November 2011

Volume 116, Issue D21

Currently known as: Journal of Geophysical Research: Atmospheres

  1. Aerosol and Clouds

    1. Top of page
    2. Aerosol and Clouds
    3. Climate and Dynamics
    4. Composition and Chemistry
    1. You have free access to this content
      Large eddy simulations of contrail development: Sensitivity to initial and ambient conditions over first twenty minutes

      A. D. Naiman, S. K. Lele and M. Z. Jacobson

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD015806

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      Key Points

      • We have simulated contrails under a range of conditions
      • Wind shear had the largest effect on contrail optical depth and coverage
      • Aircraft type, humidity, and emission index also affected contrail optical depth
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      The dependence of precipitation efficiency on rainfall type in a cloud-resolving model

      Shouting Gao and Xiaofan Li

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD016117

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      Key Points

      • Precipitation efficicency (PE) shows less spatial-scale dependence
      • Large-scale PE (LSPE) cannot be used to estimate PE
      • Cloud microphysics PE (CMPE) is used to estimate PE with caution
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      On the structure of organic-coated water droplets: From “net water attractors” to “oily” drops

      Purnendu Chakraborty and Michael R. Zachariah

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD015961

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      Key Points

      • Structure of organics on water droplets are different than bulk
      • Surface curvature changes the organic chain interactions and can distort the drop
      • Changed organic chain interactions make surface hydrophilic rather than phobic
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      Exceptional cloud-to-ground lightning during an unusually warm summer in Yukon, Canada

      B. Kochtubajda, W. R. Burrows, D. Green, A. Liu, K. R. Anderson and D. McLennan

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD016080

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      Key Points

      • Unusual lightning characteristics detected in Yukon in hot and dry summer of 2004
      • Atmospheric conditions and smoke from fires may have influenced +CG production
      • The extreme summer experienced in Yukon may be a hint of future impacts
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      Observations and simulation of a Saharan air layer event with a midtropospheric dust layer at Dakar, Senegal, 6–7 July 2010

      Mamadou Drame, Gregory S. Jenkins, Moctar Camara and Miliaritiana Robjhon

      Article first published online: 11 NOV 2011 | DOI: 10.1029/2011JD016368

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      Key Points

      • Saharan dust event significantly impacts on radiation
      • WRF-Chem GOCART adequately reproduces observations
      • Dust lifted on sloping isentropes
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      Overlap statistics of cumuliform boundary-layer cloud fields in large-eddy simulations

      Roel A. J. Neggers, Thijs Heus and A. Pier Siebesma

      Article first published online: 10 NOV 2011 | DOI: 10.1029/2011JD015650

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      Key Points

      • Cumuliform clouds overlap much more inefficiently as previously thought
      • A new functional form is suggested to describe this behavior
      • The found overlap significantly affects the shortwave cloud radiative forcing
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      Comparison of the CALIPSO satellite and ground-based observations of cirrus clouds at the ARM TWP sites

      Tyler J. Thorsen, Qiang Fu and Jennifer Comstock

      Article first published online: 10 NOV 2011 | DOI: 10.1029/2011JD015970

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      Key Points

      • Cirrus cloud observations from the CALIPSO satellite and the ARM MPL agree well
      • Observations of cirrus clouds in the TTL also show good agreement
      • CALIPSO (MPL) cloud fraction is larger at high (low) altitudes
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      Optical characterization of continental and biomass-burning aerosols over Bozeman, Montana: A case study of the aerosol direct effect

      Amin R. Nehrir, Kevin S. Repasky, John A. Reagan and John L. Carlsten

      Article first published online: 2 NOV 2011 | DOI: 10.1029/2011JD016016

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      Key Points

      • Polluted continental/well-aged biomass-burning aerosols have weak accumulation modes
      • Polluted continental and well-aged smokes are absorptive and have high Sa's
      • Extremely fresh smoke is less absorptive and exhibits very low Sa's
  2. Climate and Dynamics

    1. Top of page
    2. Aerosol and Clouds
    3. Climate and Dynamics
    4. Composition and Chemistry
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      Is the tropopause higher over the Tibetan Plateau? Observational evidence from Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) data

      Sha Feng, Yunfei Fu and Qingnong Xiao

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD016140

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      Key Points

      • Tibetan Plateau thermally pushes the lapse rate tropopause upward in summer
      • Tibetan Plateau dynamically lifts the cold point tropopause to a higher altitude
      • Temperature structure over Tibet is different from the Plain
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      Interaction of katabatic winds and near-surface temperatures in the Antarctic

      Timo Vihma, Eveliina Tuovinen and Hannu Savijärvi

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2010JD014917

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      Key Points

      • Thermal wind enhances the katabatic wind over the high plateau
      • In a katabatic flow, 2 m temperature can either decrease or increase down the slope
      • The above depends on the relative role of adiabatic warming, turbulence, and advection
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      TransCom satellite intercomparison experiment: Construction of a bias corrected atmospheric CO2 climatology

      Ryu Saito, Sander Houweling, Prabir K. Patra, Dmitry Belikov, Ravindra Lokupitiya, Yosuke Niwa, Frédéric Chevallier, Tazu Saeki and Shamil Maksyutov

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD016033

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      Key Points

      • A global climatology of column mean is created by multi models and observations
      • A new approach is developed for correcting bias in troposphere and stratosphere
      • This approach successfully reduces mean model errors
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      Simulation of corona at lightning-triggering wire: Current, charge transfer, and the field-reduction effect

      Yoshihiro Baba and Vladimir A. Rakov

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD016341

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      Key Points

      • Close electric field reduction is shown to be caused by the presence of corona
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      The relative importance of random error and observation frequency in detecting trends in upper tropospheric water vapor

      David N. Whiteman, Kevin C. Vermeesch, Luke D. Oman and Elizabeth C. Weatherhead

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD016610

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      Key Points

      • Water vapor trend detection depends on pressure level and site location
      • It is more important to improve measurement frequency than instrument uncertainty
      • Systematic biases should approximate random variables over time
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      Intraseasonal moist static energy budget in reanalysis data

      L. Kiranmayi and Eric D. Maloney

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD016031

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      Key Points

      • Intraseasonal moist static energy budget in reanalysis data is studied
      • Horizontal and vertical advection of MSE increase MSE prior to MJO precipitation
      • Radiative and surface fluxes slow discharge of MSE during MJO
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      Regional atmospheric anomalies responsible for the 2009–2010 severe drought in China

      Er Lu, Yali Luo, Renhe Zhang, Qiuxia Wu and Liping Liu

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD015706

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      Key Points

      • Drought severity and drought process
      • Weak water vapor transport and weak cold air activity
      • Physical process and mechanism in maintaining the drought
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      A case study of the Borneo Vortex genesis and its interactions with the global circulation

      See Hai Ooi, Azizan Abu Samah and Peter Braesicke

      Article first published online: 12 NOV 2011 | DOI: 10.1029/2011JD015991

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      Key Points

      • It details synoptic processes leading to the formation of the Borneo vortex
      • It distinguishes dynamic processes of heavy rain and flooding in east Malaysia
      • It highlights importance of Borneo vortex for global circulation and transport
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      An algorithm for blending multiple satellite precipitation estimates with in situ precipitation measurements in Canada

      Achan Lin and Xiaolan L. Wang

      Article first published online: 11 NOV 2011 | DOI: 10.1029/2011JD016359

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      Key Points

      • Correction of biases in satellite precipitation estimates
      • Blending satellite precipitation estimates with gauge precipitation data
      • Evaluation of the blending algorithm using independent data sets
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      Vertical and lateral propagation characteristics of intraseasonal oscillation from the tropical lower troposphere to upper mesosphere

      K. Niranjankumar, T. K. Ramkumar and M. Krishnaiah

      Article first published online: 11 NOV 2011 | DOI: 10.1029/2010JD015283

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      Key Points

      • Atmospheric coupling through intraseasonal oscillation
      • Observations on physical coupling from troposphere to MLT region dynamics
      • Utilization of MST radar, lidar and satellite data in the tropical region
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      Relationships between MODIS and ATSR fires and atmospheric variability in New Caledonia (SW Pacific)

      Renaud Barbero, Vincent Moron, Morgan Mangeas, Marc Despinoy and Christelle Hély

      Article first published online: 11 NOV 2011 | DOI: 10.1029/2011JD015915

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      Key Points

      • Relationships between MODIS fires and climate in New Caledonia
      • Antecedent local-scale rainfall anomalies
      • ENSO impacts on fires in New Caledonia
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      The central Pacific as the export region of the El Niño-Southern Oscillation sea surface temperature anomaly to Antarctic sea ice

      Hyo-Jong Song, Eunho Choi, Gyu-Ho Lim, Young Ho Kim, Jong-Seong Kug and Sang-Wook Yeh

      Article first published online: 11 NOV 2011 | DOI: 10.1029/2011JD015645

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      Key Points

      • CP-El Nino yields more persistent anomalous high over the Bellingshausen sea
      • CP-El Nino changes the regional Pacific Ferrel cells of SH more effectively
      • Antarctic dipole pattern of CP-El Nino persists longer up to austral winter
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      Snow cover sensitivity to horizontal resolution, parameterizations, and atmospheric forcing in a land surface model

      Emanuel Dutra, Sven Kotlarski, Pedro Viterbo, Gianpaolo Balsamo, Pedro M. A. Miranda, Christoph Schär, Peter Bissolli and Tobias Jonas

      Article first published online: 10 NOV 2011 | DOI: 10.1029/2011JD016061

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      Key Points

      • Land surface simulations at different horizontal resolutions
      • Horizontal resolution is important over complex terrain
      • On flat regions, atmospheric accuracy and model physics are more important
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      How sensitive is SEBAL to changes in input variables, domain size and satellite sensor?

      Di Long, Vijay P. Singh and Zhao-Liang Li

      Article first published online: 10 NOV 2011 | DOI: 10.1029/2011JD016542

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      Key Points

      • A thorough sensitivity analysis of the SEBAL model has been performed
      • The domain dependence of SEBAL has been examined
      • The resolution dependence of SEBAL has been examined
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      Evaluation and application of a fine-resolution global data set in a semiarid mesoscale river basin with a distributed biosphere hydrological model

      Fuxing Wang, Lei Wang, Toshio Koike, Huicheng Zhou, Kun Yang, Aihui Wang and Wenlong Li

      Article first published online: 10 NOV 2011 | DOI: 10.1029/2011JD015990

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      Key Points

      • Evaluate the GLDAS/Noah (3-hour, 0.25 degree) product in basin scale
      • Study the applicability of its forcing data for water resources management
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      A conceptual model for constructing high-resolution gauge-satellite merged precipitation analyses

      Pingping Xie and An-Yuan Xiong

      Article first published online: 8 NOV 2011 | DOI: 10.1029/2011JD016118

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      Key Points

      • Developed a conceptual model to produce high-resolution precipitation analysis
      • Demonstrated the effectiveness of removing satellite estimated bias through probability density function matching
      • Combining gauge data with satellite estimated through optimal interpolation
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      Discrepancies between MODIS and ISCCP land surface temperature products analyzed with microwave measurements

      Jean-Luc Moncet, Pan Liang, Alan E. Lipton, John F. Galantowicz and Catherine Prigent

      Article first published online: 4 NOV 2011 | DOI: 10.1029/2010JD015432

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      Key Points

      • ISCCP/MODIS differences were +5.0 K and +2.3 K for day and night, respectively
      • The day/night differences were as much as ∼10 K higher for ISCCP than for MODIS
      • MODIS measurements were more consistent with microwave measurements from AMSR-E
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      Origin of the water vapor responsible for the European extreme rainfalls of August 2002: 1. High-resolution simulations and tracking of air masses

      G. Gangoiti, E. Sáez de Cámara, L. Alonso, M. Navazo, M. C. Gómez, J. Iza, J. A. García, J. L. Ilardia and M. M. Millán

      Article first published online: 3 NOV 2011 | DOI: 10.1029/2010JD015530

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      Key Points

      • Vapor accumulation of summer W-Mediterranean can initiate rainfalls in C-Europe
      • A four-day accumulation period preceded the extreme rainfalls in August 2002
      • Marine evaporation changed to north-Atlantic for final stage of rainfall episode
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      Aerosol emissions and dimming/brightening in Europe: Sensitivity studies with ECHAM5-HAM

      D. Folini and M. Wild

      Article first published online: 3 NOV 2011 | DOI: 10.1029/2011JD016227

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      Key Points

      • European surface solar radiation (SSR) 1950-2005 is modeled with ECHAM5-HAM
      • Clear-sky SSR changes reflect the regionally different aerosol emissions
      • Ensemble means compare well with observations, and cloud effects can be substantial
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      Origin of the water vapor responsible for the European extreme rainfalls of August 2002: 2. A new methodology to evaluate evaporative moisture sources, applied to the August 11–13 central European rainfall episode

      G. Gangoiti, I. Gómez-Domenech, E. Sáez de Cámara, L. Alonso, M. Navazo, J. Iza, J. A. García, J. L. Ilardia and M. M. Millán

      Article first published online: 3 NOV 2011 | DOI: 10.1029/2010JD015538

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      Key Points

      • New method has mapped the evaporation attributed to C-European extreme rainfalls
      • Sequence of evaporation shows increased contribution from continental areas
      • Preceding methods could have overestimated attribution to remote oceanic regions
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      Computation of clear-air radar backscatter from numerical simulations of turbulence: 1. Numerical methods and evaluation of biases

      P. M. Franke, S. Mahmoud, K. Raizada, K. Wan, D. C. Fritts, Tom Lund and J. Werne

      Article first published online: 1 NOV 2011 | DOI: 10.1029/2011JD015895

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      Key Points

      • Doppler velocity estimates are subject to biases
      • Signals scattered from KHI contain biases due to presence of tilted layers
      • Biases can be of the order of 2-3 times the actual velocity
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      Introduction to special section on The role of the Atlantic warm pool in the climate of the Western Hemisphere

      Luis Gimeno, Victor Magaña and David B. Enfield

      Article first published online: 28 OCT 2011 | DOI: 10.1029/2011JD016699

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      Tropical gradient influences on Caribbean rainfall

      Michael A. Taylor, Tannecia S. Stephenson, Albert Owino, A. Anthony Chen and Jayaka D. Campbell

      Article first published online: 21 SEP 2011 | DOI: 10.1029/2010JD015580

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      Key Points

      • Interbasin and intrabasin gradients are important for Caribbean climate
      • The tropical gradients, the AWP, and the CLLJ modulate Caribbean rainfall variability
      • Future Caribbean drying is linked to a perpetuating midsummer rainfall minimum
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      Zonal mean wind, the Indian monsoon, and July drying in the western Atlantic subtropics

      Patrick Kelly and Brian Mapes

      Article first published online: 17 AUG 2011 | DOI: 10.1029/2010JD015405

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      Key Points

      • July zonal mean easterlies correlated with NASH enhancement in WATL
      • July zonal mean easterlies correlated with MSD enhancement in WATL
      • Indian monsoon rainfall negatively correlated with rainfall in WATL
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      The influence of the Atlantic Warm Pool on the Florida panhandle sea breeze

      Vasubandhu Misra, Lauren Moeller, Lydia Stefanova, Steven Chan, James J. O'Brien, Thomas J. Smith III and Nathaniel Plant

      Article first published online: 4 AUG 2011 | DOI: 10.1029/2010JD015367

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      Key Points

      • A successful downscaling of sea breeze
      • Sea breeze variations contribute to summer seasonal totals
      • Atlantic warm pool has an influence on these sea breezes
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      Regional long-term climate change (1950–2000) in the midtropical Atlantic and its impacts on the hydrological cycle of Puerto Rico

      Daniel E. Comarazamy and Jorge E. González

      Article first published online: 18 JUN 2011 | DOI: 10.1029/2010JD015414

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      Key Points

      • Dramatic reduction in PR precipitation because of climate change
      • Changes in wind leading to higher cloud bases, less column total water content
      • Integrated atmospheric modeling approach
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      On the contribution of the Tropical Western Hemisphere Warm Pool source of moisture to the Northern Hemisphere precipitation through a Lagrangian approach

      Anita Drumond, Raquel Nieto and Luis Gimeno

      Article first published online: 19 MAY 2011 | DOI: 10.1029/2010JD015397

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      Key Points

      • Role of WHWP as a moisture source
      • Contribution of WHWP for precipitation in North America and western Europe
      • Transport of moisture toward extratropics by GPLLJ and warm conveyor belt
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      Decadal climate variability in the eastern Caribbean

      Mark R. Jury and Isabelle Gouirand

      Article first published online: 18 MAY 2011 | DOI: 10.1029/2010JD015107

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      Key Points

      • The leading mode of Caribbean rainfall variability is a decadal oscillation
      • The decadal oscillation is related to an Atlantic tripole feature in SST and SL
      • The 3 centers of action intensity Africa easterly waves
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      A modeling study of the interaction between the Atlantic Warm Pool, the tropical Atlantic easterlies, and the Lesser Antilles

      Steven C. Chan, Vasubandhu Misra and H. Smith

      Article first published online: 20 APR 2011 | DOI: 10.1029/2010JD015260

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      Key Points

      • Interaction between Caribbean Sea and its islands
      • Regional downscaling
      • Simulations of island climate
  3. Composition and Chemistry

    1. Top of page
    2. Aerosol and Clouds
    3. Climate and Dynamics
    4. Composition and Chemistry
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      Water-soluble organic aerosol in the Los Angeles Basin and outflow regions: Airborne and ground measurements during the 2010 CalNex field campaign

      Hanh T. Duong, Armin Sorooshian, Jill S. Craven, Scott P. Hersey, Andrew R. Metcalf, Xiaolu Zhang, Rodney J. Weber, Haflidi Jonsson, Richard C. Flagan and John H. Seinfeld

      Article first published online: 18 NOV 2011 | DOI: 10.1029/2011JD016674

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      Key Points

      • WSOC is a major component of aerosol in the Los Angeles Basin and outflows
      • WSOC levels are enhanced aloft, especially with conditions of higher RH
      • The volatile nature of WSOC is discussed relative to other species
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      Measurement of western U.S. baseline ozone from the surface to the tropopause and assessment of downwind impact regions

      O. R. Cooper, S. J. Oltmans, B. J. Johnson, J. Brioude, W. Angevine, M. Trainer, D. D. Parrish, T. R. Ryerson, I. Pollack, P. D. Cullis, M. A. Ives, D. W. Tarasick, J. Al-Saadi and I. Stajner

      Article first published online: 18 NOV 2011 | DOI: 10.1029/2011JD016095

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      Key Points

      • Tropospheric baseline ozone was measured at four sites along the US west coast
      • 8–10% of the tropospheric baseline ozone impacts the surface of the western USA
      • Estimates of O3 production within California were made purely from observations
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      An analysis of the impact of convective parameter sensitivity on simulated global atmospheric CO distributions

      Lesley Ott, Steven Pawson and Julio Bacmeister

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD016077

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      Key Points

      • Uncertainty in GCM convection has a small impact on global CO distributions
      • In source regions and outflow pathways, such uncertainty can be significant
      • Convective mass flux and large-scale advective mass flux are closely related
    4. You have free access to this content
      Remotely sensed ammonia emission from fumarolic vents associated with a hydrothermally active fault in the Salton Sea Geothermal Field, California

      David M. Tratt, Stephen J. Young, David K. Lynch, Kerry N. Buckland, Patrick D. Johnson, Jeffrey L. Hall, Karl R. Westberg, Mark L. Polak, Brian P. Kasper and Jun Qian

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD016282

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      Key Points

      • Ammonia emitted from hydrothermal vents adjacent to the shore of a polluted lake
      • Emissions quantification with thermal-IR imagery
      • Ammonia source not previously known or described
    5. You have free access to this content
      Ice aspect ratio influences on mixed-phase clouds: Impacts on phase partitioning in parcel models

      Kara J. Sulia and Jerry Y. Harrington

      Article first published online: 15 NOV 2011 | DOI: 10.1029/2011JD016298

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      Key Points

      • Partitioning of mass between liquid and ice depends on particle aspect ratio
      • Glaciation rates are increased by a factor of ∼10 when ice habit is predicted
      • Predicting ice habit is most crucial for moderate ice concentrations (1–100 L−1
    6. You have free access to this content
      Seasonal variations of the transport of black carbon and carbon monoxide from the Asian continent to the western Pacific in the boundary layer

      R. L. Verma, Y. Kondo, N. Oshima, H. Matsui, K. Kita, L. K. Sahu, S. Kato, Y. Kajii, A. Takami and T. Miyakawa

      Article first published online: 10 NOV 2011 | DOI: 10.1029/2011JD015830

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      Key Points

      • China was the dominant source region of BC and CO over the western Pacific
      • BC/CO ratio observed at Hedo in the outflow from China was about 7 ng m3/ppbv
      • Zhang et al. [2009] emission inventory underestimated CO by about a factor 2
    7. You have free access to this content
      Methane emissions from the surface of the Three Gorges Reservoir

      Huai Chen, Xingzhong Yuan, Zhongli Chen, Yuyuan Wu, Xianshu Liu, Dan Zhu, Ning Wu, Qiu'an Zhu, Changhui Peng and Weizhong Li

      Article first published online: 9 NOV 2011 | DOI: 10.1029/2011JD016244

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      Key Points

      • Relatively low value of CH4 emission from the surface of TGR
      • Higher CH4 emission from the flooding drawdown area
      • Significantly higher CH4 emission in winter than in spring and summer
    8. You have free access to this content
      Limits on thunderstorm-induced radioactive chlorine from gamma ray observations

      J. L. Lundberg, R. M. Millan and K. Eack

      Article first published online: 9 NOV 2011 | DOI: 10.1029/2010JD015300

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      Key Points

      • Radioactive chlorine was not detected over South Baldy peak in 2005
      • Argon to chlorine conversion by lightning efficiency is less than 4.2 × 10−22
      • It is unlikely that lightning can convert argon into radioactive chlorine
    9. You have free access to this content
      Optimal representation of source-sink fluxes for mesoscale carbon dioxide inversion with synthetic data

      Lin Wu, Marc Bocquet, Thomas Lauvaux, Frédéric Chevallier, Peter Rayner and Kenneth Davis

      Article first published online: 5 NOV 2011 | DOI: 10.1029/2011JD016198

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      Key Points

      • Construction of optimal efficient multiscale grids under the DFS criterion
      • Aggregation error identified and explicitly formulated for CO2 inversion
      • Characterize optimal information flow from observations to the whole domain
    10. You have free access to this content
      Characteristics of the flux of isoprene and its oxidation products in an urban area

      Changhyoun Park, Gunnar W. Schade and Ian Boedeker

      Article first published online: 3 NOV 2011 | DOI: 10.1029/2011JD015856

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      Key Points

      • Urban biogenic emissions are important for BL chemistry
      • Biogenic emissions modeling is sufficient when supplied with accurate input data
      • Significant anthropogenic isoprene and MACR emissions occur
      Corrected by:

      Composition and Chemistry: Correction to “Characteristics of the flux of isoprene and its oxidation products in an urban area”

      Vol. 117, Issue D1, Article first published online: 10 JAN 2012

    11. You have free access to this content
      Factors controlling CO2 exchange in a middle latitude forest

      Qilong Min and Lingyun Wu

      Article first published online: 2 NOV 2011 | DOI: 10.1029/2010JD015428

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      Key Points

      • Precipitation and clouds play a key role in regulating the carbon uptake
      • There is a steady state of forest carbon uptake
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      A regional-to-global model of emission and transport of sea salt particles in the atmosphere

      Mikhail Sofiev, Joana Soares, Marje Prank, Gerrit de Leeuw and Jaakko Kukkonen

      Article first published online: 2 NOV 2011 | DOI: 10.1029/2010JD014713

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      Key Points

      • A parameterization for emission of sea salt aerosol (SSA) particles is presented
      • The annual global production of SSA was estimated between 6700 and 7400 Tg/yr
      • Predicted column-integrated AOD is very close to the AOD retrieved by MODIS
    13. You have free access to this content
      The glyoxal budget and its contribution to organic aerosol for Los Angeles, California, during CalNex 2010

      R. A. Washenfelder, C. J. Young, S. S. Brown, W. M. Angevine, E. L. Atlas, D. R. Blake, D. M. Bon, M. J. Cubison, J. A. de Gouw, S. Dusanter, J. Flynn, J. B. Gilman, M. Graus, S. Griffith, N. Grossberg, P. L. Hayes, J. L. Jimenez, W. C. Kuster, B. L. Lefer, I. B. Pollack, T. B. Ryerson, H. Stark, P. S. Stevens and M. K. Trainer

      Article first published online: 28 OCT 2011 | DOI: 10.1029/2011JD016314

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      Key Points

      • We used a new field instrument to measure glyoxal in Los Angeles during 2010
      • We constrain glyoxal contribution to aerosol using three methods
      • During daytime, glyoxal contributes 0–4% of secondary organic aerosol mass

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