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1.
Lars Brabyn Peyman Zawar-Reza Glen Stichbury Craig Cary Bryan Storey Daniel C. Laughlin Marwan Katurji 《Environmental monitoring and assessment》2014,186(4):2619-2628
The McMurdo Dry Valleys of Antarctica are the largest snow/ice-free regions on this vast continent, comprising 1 % of the land mass. Due to harsh environmental conditions, the valleys are bereft of any vegetation. Land surface temperature is a key determinate of microclimate and a driver for sensible and latent heat fluxes of the surface. The Dry Valleys have been the focus of ecological studies as they arguably provide the simplest trophic structure suitable for modelling. In this paper, we employ a validation method for land surface temperatures obtained from Landsat 7 ETM + imagery and compared with in situ land surface temperature data collected from four transects totalling 45 iButtons. A single meteorological station was used to obtain a better understanding of daily and seasonal cycles in land surface temperatures. Results show a good agreement between the iButton and the Landsat 7 ETM + product for clear sky cases. We conclude that Landsat 7 ETM + derived land surface temperatures can be used at broad spatial scales for ecological and meteorological research. 相似文献
2.
Adsorption of arsenic(V) by iron-oxide-coated diatomite (IOCD) 总被引:2,自引:0,他引:2
Yi-Fong Pan Cary T. Chiou Tsair-Fuh Lin 《Environmental science and pollution research international》2010,17(8):1401-1410
Purposes and aims
Economically efficient methods for removing arsenic from the drinking water supply are urgently needed in many parts of the world. Iron oxides are known to have a strong affinity for arsenic in water. However, they are commonly present in the forms of fine powder or floc, which limits their utility in water treatment. In this study, a novel granular adsorbent, iron-oxide-coated diatomite (IOCD), was developed and examined for its adsorption of arsenic from water. 相似文献3.
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Cary L. Cooper 《组织行为杂志》1981,2(2):149-150
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This study attempts to assess the sources of occupational stress on air traffic controllers. It is based on data collected from a majority of air traffic controllers at a large U.K. airport. There are two unique methodological features described in this article. First, the use of the repertory grid technique as a method of generating work stressor variables, and second, the use of the multiple logistic equation as a coronary heart disease risk index. 相似文献
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Cary T. Chiou 《Environment international》1980,4(1):15-19
Considerations are given to the simultaneous evaporation of both components in a miscible (binary) solution based on the properties of related components. Rates of evaporation of several binary systems of nonpolar organics and of polar organics with water in unstirred solutions were determined and interpreted using the model previously proposed. This study presents an approach to assess the evaporative loss of the volatile solute and solvent components from a (miscible) solution that may become a source of concern as a health risk. 相似文献
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Ancillary benefits of reduced air pollution in the US from moderate greenhouse gas mitigation policies in the electricity sector 总被引:3,自引:0,他引:3
Dallas Burtraw Alan Krupnick Karen Palmer Anthony Paul Michael Toman Cary Bloyd 《Journal of Environmental Economics and Management》2003,45(3):650
Actions to slow atmospheric accumulation of greenhouse gases also would reduce conventional air pollutants yielding “ancillary” benefits that tend to accrue locally and in the near-term. Using a detailed electricity model linked to an integrated assessment framework to value changes in human health, we find a tax of $25 per metric ton of carbon emissions would yield NOx-related health benefits of about $8 per metric ton of carbon reduced in the year 2010 (1997 dollars). Additional savings of $4–$7 accrue from reduced investment in NOx and SO2 abatement in order to comply with emission caps. Total ancillary benefits of a $25 carbon tax are $12–$14, which appear to justify the costs of a $25 tax, although marginal benefits are less than marginal costs. At a tax of $75, greater total benefits are achieved but the value per ton of carbon reductions remains roughly constant at about $12. 相似文献