共查询到19条相似文献,搜索用时 93 毫秒
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讨论了计算机图形技术在环境监测实验室分析、监测数据趋势分析和环境数据统计等方面的应用,结合Internet技术的发展,对环境信息发布和地理信息系统(GIS)的结合应用进行了讨论,提出了Internet下环境信息应用的新思路:建立数据审核系统、数据查询分析系统、用户管理管理系统、地图出版系统,以提高环境监测分析应用水平. 相似文献
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二维条码技术的应用日趋广泛,通过研究,作者把二维条码技术引入到环境监测中,利用二维条码和GIS(地理信息系统)联合技术,对废气、废水、固体废弃物、噪声等的监测应用进行了探讨,研制出了其应用信息管理系统,并以都江堰的环境监测为实例,取得了一定的应用效果。 相似文献
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辐射环境监测是核与辐射环境安全监管的重要技术支撑。本文从青海省辐射环境监测能力建设现状和工作开展的实际情况,分析了目前存在的问题,提出了改进措施和对策,对今后的发展提出了几点思考建议。 相似文献
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本文根据湛江市环境监测与污染纠纷案件处理的实际情况,阐述了环境监测数据在环境污染纠纷处理中的重要作用,分析了环境监测数据证据的特点及其具有证据效力的基本条件,讨论了环境监测数据的证据效力的影响因素,指出了提高环境监测数据证据效力的基本途径,并就建立环境监测资质评估机制、完善环境质量标准体系等问题提出建议。 相似文献
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为引进、开发和研制适合我国的环境监测仪器,满足日益提高的环境监测技术的需求,保证环境监测工作的顺利进行,特刊登本文介绍国内外环境监测技术与仪器现状。———编者环境监测技术和监测仪器的装备及运行状态,是决定监测数据质量的重要因素。环境监测的技术发展水平... 相似文献
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微生物遗传学应用到环境工程领域 ,给传统的水污染控制技术和环境监测方法注入了新的活力。本文着重探讨了水处理中污泥驯化的微生物遗传学原理 ,同时评述了微生物遗传学在环境工程中的应用现状 ,分析了其中存在的问题 ,并指出了今后进一步发展的方向。 相似文献
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浅谈遥感技术在大气监测中的应用 总被引:2,自引:0,他引:2
碳的氧化物、硫的氧化物、氮的氧化物和臭氧等是人类在生产活动和社会活动产生中的主要的环境污染物,它们威胁着人类的生存环境和地球上的生态平衡。因此,对它们进行实时监测和综合治理显得非常重要。文章介绍了遥感(RS)技术,重点介绍遥感技术在大气环境监测中的应用。 相似文献
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The long-term ecological recovery of an impaired stream in response to an industrial facility’s pollution abatement actions
and the implications of the biological monitoring effort to environmental management is the subject of this special issue
of Environmental Management. This final article focuses on the synthesis of the biological monitoring program’s components and methods, the efficacy
of various biological monitoring techniques to environmental management, and the lessons learned from the program that might
be applicable to the design and application of other programs. The focus of the 25-year program has been on East Fork Poplar
Creek, an ecologically impaired stream in Oak Ridge, Tennessee with varied and complex stressors from a Department of Energy
facility in its headwaters. Major components of the long-term program included testing and monitoring of invertebrate and
fish toxicity, bioindicators of fish health, fish contaminant accumulation, and instream communities (including periphyton,
benthic macroinvertebrate, and fish). Key parallel components of the program include water chemistry sampling and data management.
Multiple lines of evidence suggested positive ecological responses during three major pollution abatement periods. Based on
this case study and the related literature, effective environmental management of impaired streams starts with program design
that is consistent across space and time, but also adaptable to changing conditions. The biological monitoring approaches
used for the program provided a strong basis for assessments of recovery from remedial actions, and the likely causes of impairment.
This case study provides a unique application of multidisciplinary and quantitative techniques to address multiple and complex
regulatory and programmatic goals, environmental stressors, and remedial actions. 相似文献
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湖泊蓝藻水华数字化预警系统构建探讨 总被引:1,自引:0,他引:1
构造湖泊蓝藻水华数字化预警系统是我国湖泊水环境管理的一个重要方向。本文探讨了构建湖泊蓝藻水华数字化预警系统的若干技术问题,包括:(1)数字化预警数学模式。提出需重视流域尺度的氮磷营养物和沉积动态输入以及营养物、沉积物对水生态结构动力过程的影响,建立非点源模型和湖泊生态结构动力学模型相耦合的预警数学模型模式;在此基础上提出了各种数学模型的可借鉴模式。(2)湖泊蓝藻水华预警监测技术。总结了常规水质监测的数据筛选方法,探讨了遥感技术和实时传输监测技术在水质监测中的应用模式,提出了实时监测和遥感监测需解决的技术难题和实现方法。(3)湖泊蓝藻数字化预警系统的设计。提出了数学模型系统、水质监控系统的网络化集成设计模式,提出了基于网络化地理信息系统的计算机应用软件实现模式。 相似文献
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环境信息化是环保能力建设的重要组成部分,是涵盖环保各项业务的一项基础性工作。随着环境保护相关应用系统的不断增加,极大增加了系统的运行维护难度,获取准确的系统运行信息、准确定位问题节点已经成为进行应用系统监控管理的重点和难点。针对环境信息化的发展现状和分布式系统的特点,本文将系统监控管理的对象分为应用类对象和系统类对象两类,并给出一种应用系统运行状态监控对象模型,明确的监控对象的确立方式,建立监控对象间的依赖关系,从而建立影响应用系统运行状况的因素拓扑关系。论述了应用类资源和系统类资源监控信息的获取方法,包括操作系统、中间件等系统类资源的监控机制,以及实时拨测、基于性能工具的监控、集成监控机制等应用类资源监控机制。给出了应用系统运行状态监控体系的技术架构,对各组成部分的主要功能进行了描述。在此基础上建立的应用系统运行状态监控系统能对应用系统的运行状态进行全面周期监控,并能准确定位问题发生的关键部位。 相似文献
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Stanimirova I Daszykowski M Massart DL Questier F Simeonov V Puxbaum H 《Journal of environmental management》2005,74(4):349-363
The present paper deals with the application of different chemometric methods to an environmental data set derived from the monitoring of wet precipitation in Austria (1988-1999). These methods are: principal component analysis (PCA); projection pursuit (PP); density-based spatial clustering of application with noise (DBSCAN); ordering points to identify the clustering structures (OPTICS); self-organizing maps (SOM), also called the Kohonen network; and the neural gas (NG) network. The aim of the study is to introduce some new approaches into environmetrics and to compare their usefulness with already existing techniques for the classification and interpretation of environmental data. The density-based approaches give information about the occurrence of natural clusters in the studied data set, which, however, do not occur in the case presented here; information about high-density zones (very similar samples) and extreme samples is also obtained. The partitioning techniques (clustering, but also neural gas and Kohonen networks) offer an opportunity to classify the objects of interest into several defined groups, the patterns of ionic concentration of which can be studied in detail. The visual aids, such as the color map and the Kohonen map, for each site are very helpful in understanding the relationships between samples and between samples and variables. All methods, and in particular projection pursuit, give information about samples with extreme characteristics. 相似文献