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- Author:
- Hemraj Bhattarai; Eri Saikawa; Xin Wan; Hongxia Zhu; Kirpa Ram; Shaopeng Gao; Shichang Kang; Qianggong Zhang; Yulan Zhang; Guangming Wu; Xiaoping Wang; Kimitaka Kawamura; Pingqing Fu; Zhiyuan Cong
- Source:
- Atmospheric research 2019 v.220 pp. 20-33
- ISSN:
- 0169-8095
- Subject:
- aerosols; air pollution; air quality; altitude; analytical methods; biomass; burning; cellulose; climate; emissions; forests; gases; hemicellulose; human health; ice; organic carbon; pyrolysis; sediments; snow
- Abstract:
- ... Biomass burning (BB) is a major source of air pollution from local to global scale, having variable effects on air quality, human health, and climate system. Therefore, the source identification and characterization of BB-derived aerosols and tracer gases in the ambient environment is crucial. This review provides recent updates on the applicability of levoglucosan as a BB tracer in different envi ...
- DOI:
- 10.1016/j.atmosres.2019.01.004
- https://doi.org/10.1016/j.atmosres.2019.01.004
- Author:
- Irina Kurganova; Valentin Lopes de Gerenyu; Natalia Galibina; Ekaterina Kapitsa; Ekaterina Shorohova
- Source:
- Geoderma 2018 v.316 pp. 27-37
- ISSN:
- 0016-7061
- Subject:
- Phaeozems; Populus tremula; aerosols; atmospheric deposition; bark; boreal forests; carbon; carbon cycle; cellulose; coarse woody debris; gases; lignin; minerals; models; nitrogen; phosphorus; temperature; thermostats; variance
- Abstract:
- ... Tree bark represents a substantial component of coarse woody debris (CWD) in boreal forests. Estimating its decay rates improves our understanding of decomposition processes of woody debris and their effects on the forest carbon cycle. The atmospheric deposition of nitrogen (N) and phosphorus (P) from aerosols and gases has notably grown during the last century. We examined the effect of mineral N ...
- DOI:
- 10.1016/j.geoderma.2017.12.014
- https://doi.org/10.1016/j.geoderma.2017.12.014
- Author:
- Spencer Sandra E.; Santiago Brandon G.; Glish Gary L.
- Source:
- Analytical chemistry 2015 v.87 no.23 pp. 11887-11892
- ISSN:
- 1520-6882
- Subject:
- aerosols; caffeine; cellulose; gases; ionization; ions; pyrolysis
- Abstract:
- ... The design and operation of an inexpensive, miniature low-temperature plasma ion source is detailed. The miniature low-temperature plasma ion source is operated in a “flow-through” configuration, wherein the gaseous or aerosolized analyte, caffeine or pyrolyzed ethyl cellulose, in a carrier gas is used as the plasma gas. In this flow-through configuration, the sensitivity for the caffeine standard ...
- DOI:
- 10.1021/acs.analchem.5b03447
- https://doi.org/10.1021/acs.analchem.5b03447
- Author:
- Khem Singh; D. P. Singh; C. K. Dixit; Nahar Singh; C. Sharma; S. Sahai; Arvind K. Jha; Z. H. Khan; Prabhat K. Gupta
- Source:
- Environmental monitoring and assessment 2012 v.184 no.7 pp. 4553-4564
- ISSN:
- 0167-6369
- Subject:
- aerosols; air quality; anions; cations; cellulose; forests; gases; heavy metals; nitrogen dioxide; physicochemical properties; quartz; rural areas; sulfur dioxide; temporal variation; India
- Abstract:
- ... A field campaign on aerosol chemical properties and trace gases measurements was carried out along the Delhi–Hyderabad–Delhi road corridor (spanning about 3,200 km) in India, during February 1–29, 2004. Aerosol particles were collected on quartz and cellulose filters using high volume (PM10) sampler at various locations along the route (i.e., urban, semi-urban, rural, and forest areas) and have be ...
- DOI:
- 10.1007/s10661-011-2284-3
- PubMed:
- 21956335
- https://doi.org/10.1007/s10661-011-2284-3
- Author:
- Célia A. Alves; Ana Vicente; Cristina Monteiro; Cátia Gonçalves; Margarita Evtyugina; Casimiro Pio
- Source:
- Science of the total environment 2011 v.409 no.8 pp. 1466-1475
- ISSN:
- 0048-9697
- Subject:
- acids; aerosols; alkanes; biomarkers; biopolymers; burning; carbon; carbon dioxide; cellulose; detectors; forests; fuels; gas chromatography; gas emissions; gases; ionization; lignin; mass spectrometry; monoacylglycerols; monosaccharides; particulate emissions; polycyclic aromatic hydrocarbons; smoke; steroids; wildfires; Portugal
- Abstract:
- ... On May 2009, both the gas and particulate fractions of smoke from a wildfire in Sever do Vouga, central Portugal, were sampled. Total hydrocarbons and carbon oxides (CO₂ and CO) were measured using automatic analysers with flame ionisation and non-dispersive infrared detectors, respectively. Fine (PM₂.₅) and coarse (PM₂.₅–₁₀) particles from the smoke plume were analysed by a thermal–optical transm ...
- DOI:
- 10.1016/j.scitotenv.2010.12.025
- PubMed:
- 21277615
- https://doi.org/10.1016/j.scitotenv.2010.12.025
- Author:
- Gilfedder, B. S.; Chance, R.; Dettmann, U.; Lai, S. C.; Baker, A. R.
- Source:
- Analytical and bioanalytical chemistry 2010 v.398 no.1 pp. 519-526
- ISSN:
- 1618-2642
- Subject:
- aerosols; atmospheric chemistry; cellulose; combustion; filters; gases; iodine; naphthaleneacetic acid; neutron activation analysis; ozone depletion; quartz; spectroscopy; troposphere
- Abstract:
- ... Iodine has recently been of interest in atmospheric chemistry due to its role in tropospheric ozone depletion, modification of the HO/HO₂ ratio and aerosol nucleation. Gas-phase iodine chemistry is tightly coupled to the aerosol phase through heterogeneous reactions, which are dependent on iodine concentrations and speciation in the aerosol. To date, the only method available for total iodine dete ...
- DOI:
- 10.1007/s00216-010-3923-1
- https://doi.org/10.1007/s00216-010-3923-1