[PDF] Top 20 Le texte de théâtre au cycle 3. Quels enjeux ? Quelles pratiques ?
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Organic nitrogen in PM<sub>2.5</sub> aerosol at a forest site in the Southeast US
... monitor the liquid flow rate from the SJAC and to provide an internal standard for the ion chromatographs ...(ICs). The sample flow was then split to cation and anion ICs (both Metrohm Model ... Voir le document complet
145
Water soluble aerosols and gases at a UK background site – Part 1: Controls of PM<sub>2.5</sub> and PM<sub>10</sub> aerosol composition
... 1998). The site belongs to a number of UK na- tional networks including the UK Defra Automatic urban and rural network (AURN), UK Acid gas and aerosol network (AGANet), UK National Ammonia ... Voir le document complet
11
To what extent can aerosol water explain the discrepancy between model calculated and gravimetric PM<sub>10</sub> and PM<sub>2.5</sub>?
... of the particle chemical compo- sition ...masses. In other words, after all important aerosol com- ponents (inorganic and carbonaceous compounds, minerals and metals) are analysed a part of PM ... Voir le document complet
13
Land use change effects on runoff generation in a humid tropical montane cloud forest region
... differences in dry season flows. In this regard, Sayama et ...substrates in California that catchments with steep gradients tend to store more water than those characterized by gentle slopes, and can ... Voir le document complet
274
Ionic and carbonaceous compositions of PM<sub>10</sub>, PM<sub>2.5</sub> and PM<sub>1.0</sub> at Gosan ABC Superstation and their ratios as source signature
... nitrate, the next most abundant species among the water- soluble ions, this is due to its chemical and physical charac- teristics, especially its ...accumulate in small par- ticles (Bassett and ... Voir le document complet
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Atmospheric deuterium fractionation: HCHO and HCDO yields in the CH<sub>2</sub>DO+O<sub>2</sub> reaction
... used in detailed models of tropospheric chemistry to investigate the carbon ...given the high variability of deuterium content in atmospheric ... Voir le document complet
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Ionic and carbonaceous compositions of PM<sub>10</sub>, PM<sub>2.5</sub> and PM<sub>1.0</sub> at Gosan ABC superstation and their ratios as source signature
... On the other hand, EC1 had a difference in concentra- tion between non-rainy and rainy ...EC2+3 in the atmosphere, meaning that soot aerosols are suspended and transported ...longer. In ... Voir le document complet
1
Enhancement of atmospheric H<sub>2</sub>SO<sub>4</sub> / H<sub>2</sub>O nucleation: organic oxidation products versus amines
... for the number of formed particles can be seen at a relative humidity of 13 % for dimethylamine concentrations ≥ 5 × 10 9 molecule cm −3 ...For the higher humidity of 25 %, this effect is not ... Voir le document complet
1
Reactive uptake of N<sub>2</sub>O<sub>5</sub> to internally mixed inorganic and organic particles: the role of organic carbon oxidation state and inferred organic phase separations
... polarity organic components partition into an organic coating (Bertram et ...2013). At < 70 % RH, humidity- induced liquid–liquid phase separations are predicted to oc- cur for particles ... Voir le document complet
173
Soil CO<sub>2</sub> efflux of a larch forest in northern Japan
... The forest was a 45-year-old Japanese larch (Larix kaempferi ...spp.). In 2001, for trees with breast height diameter (DBH) larger than ...m 2 ha −1 , of which larch accounted for 81%. ... Voir le document complet
190
Variability of levels and composition of PM<sub>10</sub> and PM<sub>2.5</sub> in the Barcelona metro system
... with the highest enrichment are those associated with wheel or brake abrasion products (Ba, Fe, Cu, Mn, Cr, Sb, As, Mo, Co, Sr, among ...(Fe 2 O 3 ) was the dominant particle type, being mainly ... Voir le document complet
39
A qualitative comparison of secondary organic aerosol yields and composition from ozonolysis of monoterpenes at varying concentrations of NO<sub>2</sub>
... measure the resulting aerosol loading and ...measured at 85 s time resolu- tion with a scanning electrical mobility sizer (SEMS; BMI Model 2002) consisting of a differential mobility analyzer (BMI ... Voir le document complet
23
Multiple quality tests for analysing CO<sub>2</sub> fluxes in a beech temperate forest
... Davis, K., Evans, R., Fuentes, J., Goldstein, A., Katul, G., Law, B., Lee, X., Malhi, Y., Meyers, T., Munger, W., Oechel, W., Paw, K. T., Pilegaard, K., Schmid, H. P., Valentini, R., Verma, S., Vesala, T., Wilson, K., ... Voir le document complet
254
The effect of coal-fired power-plant SO<sub>2</sub> and NO<sub>x</sub> control technologies on aerosol nucleation in the source plumes
... pre-existing aerosol will reduce the net number of particles formed in a plume both by reducing nucleation and condensa- tional growth rates and by increasing ...emissions in polluted- ... Voir le document complet
85
Influence of meteorology and interrelationship with greenhouse gases (CO<sub>2</sub> and CH<sub>4</sub>) at a sub-urban site of India
... summary, in: Climate Change 2013: The Physical Science Basis, Con- tribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, edited by: ... Voir le document complet
6
Spatiotemporal variations of air pollutants (O<sub>3</sub>, NO<sub>2</sub>, SO<sub>2</sub>, CO, PM<sub>10</sub>, and VOCs) with land-use types
... of the gridded land-use type data due to the non-uniform distribution of the pollution monitor- ing ...stations. The pollutants, except for VOCs, were investi- gated as time-averaged in ... Voir le document complet
524
Observations of total RONO<sub>2</sub> over the boreal forest: NO<sub>x</sub> sinks and HNO<sub>3</sub> sources
... is in steady-state the ratio of HNO 3 to NO 2 should equivalent to ...OH. The difference in these two lines as a function of NOx indicates the possibility of additional HNO 3 ... Voir le document complet
98
Nitrogen fertilization strategies for xaraes and tifton 85 grasses irrigated in the dry season
... six in the rainy period and five in the drought. The management of the pasture simulated a rotational system, around three days of variable grazing and rest, which occurred ... Voir le document complet
73
A novel model to predict the physical state of atmospheric H<sub>2</sub>SO<sub>4</sub>/NH<sub>3</sub>/H<sub>2</sub>O aerosol particles
... below the eutectic point. Since the above method provides a lower limit of solid-containing aerosol parti- cles a sensitivity run was performed, in which exclusively ECMWF RH-values are used ... Voir le document complet
11
SUBTROPICAL FOREST BIOMASS ESTIMATION USING AIRBORNE LiDAR AND HYPERSPECTRAL DATA
... Subtropical forest ecosystem consists of vast vegetation species and these species are always in a dynamic succession ...characterize the complexity of subtropical forest ecosystem. In ... Voir le document complet
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