Results 1 to 10 of about 924 (116)

Direct sulfuric acid formation from the gas-phase oxidation of reduced-sulfur compounds [PDF]

open access: yesNature Communications, 2023
Sulfuric acid represents a fundamental precursor for new nanometre-sized atmospheric aerosol particles. These particles, after subsequent growth, may influence Earth´s radiative forcing directly, or indirectly through affecting the microphysical and ...
Torsten Berndt   +4 more
doaj   +2 more sources

Highly oxidized products from the atmospheric reaction of hydroxyl radicals with isoprene [PDF]

open access: yesNature Communications
Isoprene (C5H8) globally accounts for half of the non-methane hydrocarbon flux into Earth´s atmosphere. Its degradation is mainly initiated by the gas-phase reaction with OH radicals yielding a complex system of RO2 radicals. Subsequent product formation
Torsten Berndt   +3 more
doaj   +2 more sources

Residential Wood Combustion in Germany: A Twin-Site Study of Local Village Contributions to Particulate Pollutants and Their Potential Health Effects [PDF]

open access: yesACS Environmental Au, 2023
Dominik van Pinxteren   +12 more
doaj   +2 more sources

Wildfire Smoke in the Stratosphere Over Europe–First Measurements of Depolarization and Lidar Ratios at 355, 532, and 1064 nm [PDF]

open access: yesEPJ Web of Conferences, 2020
Canadian wildfire smoke was detected in the troposphere and lower stratosphere over Europe in August and September 2017. Lidar measurements from various stations of the European Aerosol Research Lidar Network (EARLINET) observed the stratospheric smoke ...
Haarig Moritz   +10 more
doaj   +1 more source

Author Correction: Highly oxidized products from the atmospheric reaction of hydroxyl radicals with isoprene [PDF]

open access: yesNature Communications
Torsten Berndt   +3 more
doaj   +2 more sources

New developments in the representation of Saharan dust sources in the aerosol–climate model ECHAM6-HAM2 [PDF]

open access: yesGeoscientific Model Development, 2016
In the aerosol–climate model ECHAM6-HAM2, dust source activation (DSA) observations from Meteosat Second Generation (MSG) satellite are proposed to replace the original source area parameterization over the Sahara Desert.
B. Heinold   +3 more
doaj   +1 more source

Clases de tropos como universales Ersatz

open access: yesTrans/Form/Ação, 2011
Este trabajo considera el programa de reducción de universales por clases de tropos semejantes. Diversas cuestiones surgen acerca de la relación de semejanza: (1) ¿Presuponen los "respectos" de semejanza un universal?
José Tomás Alvarado Marambio
doaj   +1 more source

A metonímia em fontes antigas

open access: yesClassica, Revista Brasileira de Estudos Clássicos, 2018
Este artigo tem por fim discutir os principais aspectos da metonímia de acordo com os gramáticos e rétores latinos. Primeiramente, serão elencadas definições desse tropo (ou figura) segundo rétores e gramáticos latinos, tais como o anônimo da Retórica a ...
Lya Serignolli
doaj   +1 more source

Application of the shipborne remote sensing supersite OCEANET for profiling of Arctic aerosols and clouds during Polarstern cruise PS106 [PDF]

open access: yesAtmospheric Measurement Techniques, 2020
From 25 May to 21 July 2017, the research vessel Polarstern performed the cruise PS106 to the high Arctic in the region north and northeast of Svalbard. The mobile remote-sensing platform OCEANET was deployed aboard Polarstern. Within a single container,
H. J. Griesche   +11 more
doaj   +1 more source

Las raíces del “Mester de Clerecía”

open access: yesRevista de Filología Española, 2008
El estudio del mester de clerecía ha de realizarse desde un punto de vista panrománico, dadas las conexiones existentes entre los poemas hispánicos y sus congéneres en lenguas romances.
Elena González-Blanco García
doaj   +1 more source

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