Browsing FAS Scholarly Articles by Title

Now showing items 15310-15329 of 18292

    • Sorting Out a Promiscuous Superfamily: Towards Cadherin Connectomics 

      Sotomayor, Marcos; Gaudet, Rachelle; Corey, David Paul (Elsevier BV, 2014)
      Members of the cadherin superfamily of proteins are involved in diverse biological processes such as morphogenesis, sound transduction, and neuronal connectivity. Key to cadherin function is their extracellular domain ...

    • Sound and Sense in Cath Almaine 

      O Cathasaigh, Tomas (Royal Irish Academy, 2004)
      Cath Almaine, a tenth-century tale on the battle of Allen, presents a remarkable sequence of verbal and vocal acts. They include pledges and promises, curse and prophecy, narrative before the battle and after it, a cry of ...

    • Source Attribution and Interannual Variability of Arctic Pollution in Spring Constrained by Aircraft (ARCTAS, ARCPAC) and Satellite (AIRS) Observations of Carbon Monoxide 

      Fisher, J. A.; Jacob, Daniel J.; Purdy, M. T.; Kopacz, M.; Le Sager, P; Carouge, C.; Holmes, C. D.; Yantosca, Robert M.; Batchelor, R. L.; Strong, K.; Diskin, G. S.; Fuelberg, H. E.; Holloway, J. S.; Hyer, E. J.; McMillan, W. W.; Warner, J.; Streets, D. G.; Zhang, Q.; Wang, Y.; Wu, S. (European Geosciences Union, 2010)
      We use aircraft observations of carbon monoxide (CO) from the NASA ARCTAS and NOAA ARCPAC campaigns in April 2008 together with multiyear (2003–2008) CO satellite data from the AIRS instrument and a global chemical transport ...

    • Source Attribution of Poly- and Perfluoroalkyl Substances (PFASs) in Surface Waters from Rhode Island and the New York Metropolitan Area 

      Zhang, Xianming; Lohmann, Rainer; Dassuncao, Clifton; Hu, Cindy; Weber, Andrea Kristina; Vecitis, Chad D.; Sunderland, Elynor M (American Chemical Society (ACS), 2016)
      Exposure to poly- and perfluoroalkyl substances (PFASs) has been associated with adverse health effects in humans and wildlife. Understanding pollution sources is essential for environmental regulation, but source attribution ...

    • Source-level Debugging for Multiple Languages With Modest Programming Effort 

      Ryu, Sukyoung; Ramsey, Norman (2005)
      We present techniques that enable source-level debugging for multiple languages at the cost of only modest programming effort. The key idea is to avoid letting debugging requirements constrain the internal structure of the ...

    • Sources and budgets for CO and O3 in the northeastern Pacific during the spring of 2001: Results from the PHOBEA-II Experiment 

      Jaeglé, Lyatt; Jaffe, Daniel; Price, Heather; Weiss-Penzias, Peter; Palmer, Paul; Evans, Matthew; Jacob, Daniel James; Bey, Isabelle (Wiley-Blackwell, 2003)
      Ground and airborne measurements of CO, ozone, and aerosols were obtained in the northeastern (NE) Pacific troposphere during 9 March–31 May 2001 as part of the PHOBEA-II project (Photochemical Ozone Budget of the Eastern ...

    • Sources and chemistry of nitrogen oxides over the tropical Pacific 

      Staudt, A. C.; Jacob, Daniel James; Ravetta, F; Logan, Jennifer A.; Bachiochi, D; Krishnamurti, T; Sandholm, S; Ridley, B; Singh, H; Talbot, B (Wiley-Blackwell, 2003)
      We examine the sources and chemistry affecting nitrogen oxides (NOx = NO + NO2) over the tropical Pacific (30°S–20°N) using observations from the Pacific Exploratory Mission to the Tropics B (PEM-Tropics B) aircraft mission ...

    • Sources and Deposition of Reactive Gaseous Mercury in the Marine Atmosphere 

      Holmes, Christopher; Jacob, Daniel J.; Mason, Robert P.; Jaffe, Daniel A. (Elsevier, 2009)
      Observations of reactive gaseous mercury (RGM) in marine air show a consistent diurnal cycle with minimum at night, rapid increase at sunrise, maximum at midday, and rapid decline in afternoon. We use a box model for the ...

    • Sources and Processes Contributing to Nitrogen Deposition: An Adjoint Model Analysis Applied to Biodiversity Hotspots Worldwide 

      Paulot, Fabien; Jacob, Daniel James; Henze, Daven K. (American Chemical Society (ACS), 2013)
      Anthropogenic enrichment of reactive nitrogen (Nr) deposition is an ecological concern. We use the adjoint of a global 3-D chemical transport model (GEOS-Chem) to identify the sources and processes that control Nr deposition ...

    • Sources and sinks of formic, acetic, and pyruvic acids over central Amazonia: 2. Wet season 

      Talbot, R. W.; Andreae, M. O.; Berresheim, H.; Jacob, Daniel James; Beecher, K. M. (Wiley-Blackwell, 1990)
      We have determined the gas phase concentrations of formic (HCOOH), acetic (CH3COOH), and pyruvic (CH3C(O)COOH) acids in the forest canopy, boundary layer, and free troposphere over the central Amazon Basin during the ...

    • Sources contributing to background surface ozone in the US Intermountain West 

      Zhang, L.; Jacob, Daniel James; Yue, X.; Downey, N. V.; Wood, D. A.; Blewitt, D. (Copernicus GmbH, 2014)
      We quantify the sources contributing to background surface ozone concentrations in the US Intermountain West by using the GEOS-Chem chemical transport model with 1 / 2° × 2 / 3° horizontal resolution to interpret the Clean ...

    • Sources of Carbon Monoxide and Formaldehyde in North America Determined from High-Resolution Atmospheric Data 

      Miller, Scot M.; Matross, Daniel M.; Andrews, Arlyn E.; Millet, Dylan B.; Longo, Marcos; Gottlieb, Ellaine W.; Hirsch, Adam I.; Gerbig, Christoph; Lin, John C.; Daube, Bruce C.; Hudman, Rynda C.; Dias, Pedro Leite da Silva; Chow, Victoria; Wofsy, Steven (Copernicus Publications, 2008)
      We analyze the North American budget for carbon monoxide using data for CO and formaldehyde concentrations from tall towers and aircraft in a model-data assimilation framework. The Stochastic Time-Inverted Lagrangian ...

    • Sources of carbonaceous aerosols and deposited black carbon in the Arctic in winter-spring: implications for radiative forcing 

      Wang, Qiaoqiao; Jacob, Daniel James; Fisher, Jenny Allison; Mao, Jialin; Leibensperger, E; Carouge, C. C.; Le Sager, P; Kondo, Y.; Jimenez, J. L.; Cubison, M. J.; Doherty, S. J. (European Geosciences Union, 2011)
      We use a global chemical transport model (GEOS-Chem CTM) to interpret observations of black carbon (BC) and organic aerosol (OA) from the NASA ARCTAS aircraft campaign over the North American Arctic in April 2008, as well ...

    • Sources of carbonaceous aerosols over the United States and implications for natural visibility 

      Park, Rokjin J.; Jacob, Daniel James; Chin, Mian; Martin, Randall (Wiley-Blackwell, 2003)
      We use a global three-dimensional model (GEOS-CHEM) to better quantify the sources of elemental carbon (EC) and organic carbon (OC) aerosols in the United States through simulation of year-round observations for 1998 at a ...

    • Sources of HO x and production of ozone in the upper troposphere over the United States 

      Jaeglé, L.; Jacob, Daniel James; Brune, W. H.; Tan, D.; Faloona, I. C.; Weinheimer, A. J.; Ridley, B. A.; Campos, T. L.; Sachse, G. W. (Wiley-Blackwell, 1998)
      The sources of HOx (OH+peroxy radicals) and the associated production of ozone at 8–12 km over the United States are examined by modeling observations of OH, HO2, NO, and other species during the SUCCESS aircraft campaign ...

    • The Sources of Normativity 

      Korsgaard, Christine (University of Utah Press, 1992)

    • Sources of tropospheric ozone along the Asian Pacific Rim: An analysis of ozonesonde observations 

      Liu, Hongyu; Jacob, Daniel James; Chan, Lo Yin; Oltmans, Samuel; Bey, Isabelle; Yantosca, Robert M.; Harris, Joyce; Duncan, Bryan; Martin, Randall (Wiley-Blackwell, 2002)
      The sources contributing to tropospheric ozone over the Asian Pacific Rim in different seasons are quantified by analysis of Hong Kong and Japanese ozonesonde observations with a global three-dimensional (3-D) chemical ...

    • Sources of upper tropospheric HOx over the South Pacific Convergence Zone: A case study 

      Mari, Céline; Saüt, Carine; Jacob, Daniel James; Ravetta, François; Anderson, Bruce; Avery, Melody A.; Blake, Donald R.; Brune, William H.; Faloona, Ian; Gregory, G. L.; Heikes, Brian G.; Sachse, Glen W.; Sandholm, Scott T.; Singh, Hanwant B.; Talbot, Robert W.; Tan, David; Vay, Stephanie (Wiley-Blackwell, 2002)
      A zero-dimensional (0-D) model has been applied to study the sources of hydrogen oxide radicals (HOx = HO2 + OH) in the tropical upper troposphere during the Pacific Exploratory Mission in the tropics (PEM-Tropics B) ...

    • Sources of Wage Inequality 

      Akerman, Anders; Helpman, Elhanan; Itskhoki, Oleg; Muendler, Marc-Andreas; Redding, Stephen (American Economic Association, 2013)
      Recent theories of firm heterogeneity emphasize between-firm wage differences as a new mechanism through which trade can affect wage inequality. Using linked employer-employee data for Sweden, we show that many of the ...

    • Sources, distribution, and acidity of sulfate–ammonium aerosol in the Arctic in winter–spring 

      Fisher, Jenny A.; Jacob, Daniel James; Wang, Qiaoqiao; Bahreini, Roya; Carouge, Claire C.; Cubison, Michael J.; Dibb, Jack E.; Diehl, Thomas; Jimenez, Jose L.; Leibensperger, Eric M.; Lu, Zifeng; Meinders, Marcel B.J.; Pye, Havala O.T.; Quinn, Patricia K.; Sharma, Sangeeta; Streets, David G.; van Donkelaar, Aaron; Yantosca, Robert M. (Elsevier, 2011)
      We use GEOS-Chem chemical transport model simulations of sulfate–ammonium aerosol data from the NASA ARCTAS and NOAA ARCPAC aircraft campaigns in the North American Arctic in April 2008, together with longer-term data from ...