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根据系统科学思想,在城市大气环境质量(AAQ)评价中,对"本质"与"异质"AAQ等量齐观,并强调污染物的低浓度长时间效应.本文探讨了两者的协同评价方法,利用常规监测资料对5个城市作了实例分析.研究结果与实际情况有较好的一致性. 相似文献
43.
"三S"技术应用与环境科技发展 总被引:3,自引:0,他引:3
叙述了遥感,全球定位系统和地理信息系统和环境科技发展的关系,以及在环境科技中的实际应用,提出了在大力开展集RS,GPS,GIS于一体,适合环境科学应用的,综合多功能的“三S”技术,以适应可持续发展的需要。 相似文献
44.
Porous materials as emerging potential adsorbents have received much more attention because they are capable of capturing various pollutants with fast adsorption rate, high adsorption capacity, good selectivity and excellent reusability.In order to prepare porous materials with decent porous structure, Pickering emulsion template method has been proved to be one of the most effective technologies to create pore structure.This paper reviewed comprehensively the latest research progress on the pre... 相似文献
45.
《内蒙古环境科学》所载论文均为环境保护及环境科学领域关于环境科学研究的动向、成果、经验,传播科技信息、交流学术思想,促进环境科技成果高品化、产业化,推动内蒙古自治区环境科学事业深入发展。期刊对环境保护及环境科学领域的学科建设,学术水平的提高、学术信息的传播及师资队伍的建设有着重要影响。因此,要进一步加强《内蒙古环境科学》对环境保护的支持力度,要深刻认识这一科学意义。通过对环境保护及环境科学方面的有力支持,形成《内蒙古环境科学》期刊自身的规划建设与环境科学领域发展的良性循环。 相似文献
47.
People spend most of their time indoors, where air pollution levels rival and often exceed those outdoors for a number of important pollutants. Yet, little is known about people’s knowledge of indoor environmental hazards. The purpose of the current study was to construct a measure of indoor environmental knowledge. A set of 78 true/false items were developed with input from a panel of experts. The set of items was truncated with traditional item analyses, resulting in a reliable set of 21 items (α = .79). Concurrent validity was established by a significant correlation between the indoor environmental knowledge (IEK) scale and an established measure of science literacy (r = 0.44, p < .001). Schema theory guided the assumption that the two measures should be related. Convergent validity was established by the significant regression of science literacy, formal education in science and math, and status as an engineering student on IEK scale score, accounting for 25% of the variance in the IEK scale score. Future research avenues are proposed and limitations are discussed. 相似文献
48.
Canada responded to the Global Biodiversity Convention by completing the Canadian Biodiversity Strategy in 1995. At the same time, Environment Canada also completed a national Science Assessment on Biodiversity. During this period, the Smithsonian Institution, in partnership with Parks and Environment Canada, initiated the implementation of a global biodiversity monitoring program in Canada. Under the auspices of the United Nations Man and the Biosphere Program, the SI/MAB monitoring protocols and plots have spread across Canada at an unprecedented rate. National champions in the science and educational sectors, working within an inter-disciplinary ecological framework, have guided the development, education, quality control and sharing of atmosphere-biodiversity observations electronically.Atmospheric-Biodiversity Networks and Networking have traditionally operated within separate mandates with little degree of integration. Air-Bio Networks were designed within an integrated framework to better understand the atmospheric stress on biodiversity and the adaptation actions, nationally and regionally. Detailed examples of the cumulative effects of climate change, stratospheric ozone depletion, acid deposition, ground-level ozone, suspended particulate matter and hazardous air pollutants on biodiversity will be discussed using a Southern Ontario case study. In addition, recommendations will be presented for future paired SI/MAB plots, linked networks and networking for adaptation within the context of climate, chemical and ecological gradients. 相似文献
49.
Anna Rabinovich Thomas A. MortonMegan E. Birney 《Journal of environmental psychology》2012,32(1):11-18
In two experimental studies, we investigated the effects of public perceptions of climate scientists’ communicative motives on trust in scientists and willingness to engage with climate science messages. Study 1 demonstrated that members of the public who were led to believe that scientists aim to inform about the consequences of climate change (rather than to persuade to take a particular course of action) reported higher trust in scientists and stronger willingness to engage in environmental behaviour. Study 2 revealed that this effect was moderated by the style of the scientific message that participants were exposed to. Participants who expected scientists to engage in persuasion were more receptive to persuasive rather than informative messages, while the opposite was true for participants who believed that scientists’ purpose was purely to inform. In both studies the effects of perceived motives on willingness to act in line with the climate change messages were mediated through trust in scientists. The data demonstrate that managing public expectations about the purposes of science communication and delivering messages that are consistent with these expectations are a key to successful communication of climate science. 相似文献
50.
Courtland L. Smith Jennifer Gilden Brent S. Steel Karina Mrakovcich 《Environmental management》1998,22(5):671-681
/ Emerging ecosystem science builds on adaptive management as an approach to dealing with salmon problems in the Pacific Northwest. Adaptive management brings scientific and democratic processes together. However, managers, the public, resource users, and scientists differ in their views on the causes of salmon decline. Managers emphasize habitat loss and over-harvest as the primary causes; commercial fishers point to habitat loss, management practices, and predators; and the public gives greatest weight to water pollution and ocean drift nets. Scientific studies of salmon often produce results that seem contradictory or unclear to the public. For adaptive management to be effective, scientists' and the public need to better understand one another's perspectives.KEY WORDS: Perception; Fishery management; Salmon; Pacific Northwest; Science 相似文献