Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Edward S. Macias"'
Publikováno v:
The Gerontologist. 60:1187-1193
Life expectancy has increased substantially; yet universities remain age-segregated and fail to educate people across the longer life course. Demographic shifts call for universities to change their orientation toward age and life course. Arguments a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc2d7fa875d55472c86f0bb6ffe630c0
https://doi.org/10.1093/geront/gnz181
https://doi.org/10.1093/geront/gnz181
Autor:
Desong Liu, Jonathan D. W. Kahl, Luis A. de P. Vasconcelos, Edward S. Macias, Warren H. White
Publikováno v:
ResearcherID
Air trajectory and particle scattering data (bsp) for the period 1984-1989 are used to determine the relationship between atmospheric transport and visual air quality at the Grand Canyon National Park. Using cluster analysis, 72-hour back-trajectorie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ad63477e15aeafbf20cbf208baa6990
https://pubmed.ncbi.nlm.nih.gov/29081284
https://pubmed.ncbi.nlm.nih.gov/29081284
Autor:
Peter H. McMurry, Barbara J. Turpin, Edward S. Macias, L.A. de P. Vasconcelos, Warren H. White
Publikováno v:
ResearcherID
Multiple regression has been widely used to apportion particle light scattering among distinct chemical species. The resulting scattering budgets are shown here to be unbiased estimates under certain theoretical conditions. The theory allows species
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6a31e157ac6d6d5b2f30dc64be40c46
https://doi.org/10.1016/s1352-2310(00)00273-9
https://doi.org/10.1016/s1352-2310(00)00273-9
Autor:
Jonathan D. W. Kahl, Desong Liu, Luis. A. de P Vasconeelos, Warren H. White, Edward S. Macias
Publikováno v:
Journal of Geophysical Research: Atmospheres. 101:19329-19335
The potential of routine back trajectory analyses to locate sources of contaminants in air at Grand Canyon is investigated with data on methylchloroform (CH 3 CCl 3 ) concentrations collected during the Subregional Cooperative Electric Utility, Depar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19c4712a71ab0511af42fec73e74eed1
https://doi.org/10.1029/95jd02609
https://doi.org/10.1029/95jd02609
Publikováno v:
Atmospheric Environment. 28:3679-3691
The observed composition of visibility-reducing aerosols in the Grand Canyon region is summarized in climatological terms. Observations are from SCENES, a measurement program extending from 1984 to 1989. Results are presented as average mass balances
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27f4ac37de5268338963008e3743829c
https://doi.org/10.1016/1352-2310(94)00187-p
https://doi.org/10.1016/1352-2310(94)00187-p
Autor:
Perry J. Samson, Warren H. White, Jonathan D. W. Kahl, Edward S. Macias, John V. Molenar, W. C. Malm
Publikováno v:
Atmospheric Environment. 28:1035-1045
Air arriving at the Grand Canyon of the Colorado River during 1988–1989 is attributed to one of four geographic quadrants—NE, SE, SW, NW—on the basis of routinely calculated back-trajectories. Most of the haze observed at the Canyon is attribut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fecf69e289f9fac66fbff0f54280a90
https://doi.org/10.1016/1352-2310(94)90263-1
https://doi.org/10.1016/1352-2310(94)90263-1
Publikováno v:
Atmospheric Environment. 28:909-921
Measurements are reported from integrating nephelometers modified sample alternately from a fine-particle ( D zero μ m) cyclone and an unrestricted inlet. These nephelometers were successfully operated at two sites in the southwest. U.S.A. as part o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf4cd706ab5d878d5889ca434fcf6747
https://doi.org/10.1016/1352-2310(94)90249-6
https://doi.org/10.1016/1352-2310(94)90249-6
Autor:
Warren H. White, Edward S. Macias
Publikováno v:
ResearcherID
Many potential applications of the chemical mass balance involve more sources than species, or sources whose emissions vary with time. This paper demonstrates how standard methodology can be extended to accomodate such situations. Procedures are illu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c62ffb60268a4ca42242bd75ef91102b
https://doi.org/10.1016/0960-1686(91)90014-x
https://doi.org/10.1016/0960-1686(91)90014-x
Autor:
Warren H. White, David F. Miller, David P. Rogers, Thomas E. Hotter, David E. Schorran, Edward S. Macias
Publikováno v:
ResearcherID
A two-year record of hourly concentrations of halocarbon tracers (methylchloroform and perchloroethylene) and hourly averages of particle light scattering (Bsp) has been analyzed In an effort to understand the sources of haze In the U.S. southwestern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3dccf26ef0745d128c12fbc048d453d
https://doi.org/10.1080/10473289.1990.10466721
https://doi.org/10.1080/10473289.1990.10466721
Publikováno v:
Atmospheric Environment (1967). 14:647-652
A reflectance method for the determination of the elemental carbon component of soot in atmospheric fine particulate matter collected on a filter has been developed. Two instruments are described. One operates continuously as the aerosol sample is be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4636b91fc2c8364d23d459541ad3b3ac
https://doi.org/10.1016/0004-6981(80)90047-5
https://doi.org/10.1016/0004-6981(80)90047-5