山东省主体功能区划分研究

根据山东省区域发展情况,参照"十一五"规划《纲要》提出的主体功能区划分基本思路,尝试建立由资源环境承载力、开发密度和发展潜力等因素构成的指标体系,并以山东省17个地市为基本空间单元,运用状态空间法划定山东省主体功能区。结果表明:除依法设立的各类自然保护区散布在各地市外,重点开发区和优化开发区主要分布在中东部地区,限制开发区集中在西部地区。该研究以期为山东省制定差别化区域政策、统筹区域可持续发展提供战略指导,并为我国主体功能区划分提供理论参考。     

“数字重庆”建设与发展初探

大力发展“数字重庆”建设,是充分发挥重庆独特的区位优势,实现社会生产力跨越式发展,推动重庆经济快速发展的最佳切入点,是跻身世界级城市的必由之路。本文结合重庆本地的实际情况,因地制宜,在“数字重庆”的建设方略与发展思路上进行了初探。     

星载铷原子频率标准的可靠性研究

星载原子频率标准在许多空间系统中担当着重要的角色,其性能和可靠性对这些系统的功能有重要的影响。介绍了广泛使用的星载铷原子频率标准的基本工作原理,分析了影响其可靠性的各种因素,并探讨了提高其可靠性的基本途径。     

DIFFERENCES BETWEEN DRY AND WET SUMMER IN THE VERTICAL MOTION ON NORTH SIDE OF QINGHAI-XIZANG PLATEAU AND THE THERMAL IMPACT OF PLATEAU*

To better analyse and understand the causes of Northwest China(NW China) arid climate formation,firstly the dry and wet standards were chosen and the yearly dry and wet grades on the north side of Qinghai-Xizang Plateau(hereafter NSQXP) in summers were classified utilizing the rainfall data of five stations over the area in June-August of 1952-1990.Then the differences between the vertical motion over the Qinghai-Xizang Plateau(QXP) and NSQXP in dry and wet summers were comparatively analyzed using the ECMWF's gridded data of June-August of 1979-1986.Finally the connection between the QXP surface thermal condition and the dry and wet summers on the NSQXP was discussed as well.The main results are the following:(1)the dry and wet standards taking the rainfall standard deviation as criterion are suitable for the arid climate area;(2)the QXP may be,to some extent responsible for the environment background of Middle Asia,NW China and North China arid climate areas;(3)there are the striking differences between the dominant vertical motion over the QXP and NSQXP in the dry and wet summers of NSQXP:(4)the QXP surface thermal condition is to a great extent,responsible for the year-to-year variation of NW China arid climate as well.     

某稀土分离项目放射性环境影响评价

在工艺流程分析、放射性源项分析,以及环境现状调查的基础上,对某稀土分离项目的放射性环境影响进行了分析、预测和评价。环境放射性水平现状调查与监测表明,评价因子总体在区域环境本底范围内。放射性环境影响预测确定工作人员和公众所受的最大年附加辐射剂量分别为1.622mSv/a和0.029mSv/a,均低于辐射剂量约束值。在落实辐射防护和环境保护措施以后,该项目放射性环境影响符合国家有关法规和标准限值要求。     

煤矿采空区地表塌陷危害程度分级标准研究及应用

为评价较大区域塌陷发育特征和危害程度,在调查15个煤矿采空区的基础上,按城区、乡镇、村庄和农田荒地四个不同区域,建立塌陷危害程度分级标准.并以此标准对郑煤米村煤矿进行危害程度分区,绘制大比例尺塌陷危害分区图.同时针对不同的分区及其塌陷危害程度,提出相应的塌陷治理措施.     

Occurrence of priority pollutants in WWTP effluents and Mediterranean coastal waters of Spain

A comprehensive study aimed at evaluating the occurrence, significance of concentrations and spatial distribution of priority pollutants (PPs) along the Comunidad Valenciana coastal waters (Spain) was carried out in order to fulfil the European Water Framework Directive (WFD). Additionally, PP concentrations were also analysed in the effluent of 28 WWTPs distributed along the studied area. In coastal waters 36 organic pollutants of the 71 analysed, including 26 PPs were detected although many of them with low frequency of occurrence. Only 13 compounds, which belong to four different classes (VOCs, organochlorinated pesticides, phthalates and tributyltin compounds (TBT)) showed a frequency of occurrence above 20% in coastal waters. In the results obtained until now, octylphenol, pentachlorobenzene, DEHP and TBT exceeded the annual average concentration (EQS-AAC), and only TBT surpassed the maximum allowable concentration (EQS-MAC). The most frequent contaminants determined in coastal waters were also present in WWTP effluents.     

High level interfaces to the Robonet‐1.0 Homogeneous Telescope Network

We describe the current high level interfaces used for communicating with the Robonet‐1.0 Homogeneous Telescope Network. This is a network of three telescopes, the Liverpool Telescope and the Faulkes Telescopes (North and South). We describe our use of RTML and web‐services to enable control of the network by intelligent agents. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)     

基于OGC规范的WebGIS开源平台研究

为了更好地实现地理空间数据和信息共享,在分析Web GIS平台、开源GIS、OGC规范以及Web服务的基础上,设计与开发一个基于OGC规范的Web GIS开源服务平台,并给出具体的实现步骤。该方案可高效地完成矢量数据入库、可视化浏览、空间对象属性查询、地图编辑和空间分析等任务,能够为集成应用提供标准的数据访问和获取接口。最后,将其应用到"太湖流域雨量水情信息服务"中,取得较好的效果。     

Big Data Analytics for Earth Sciences: the EarthServer approach

Big Data Analytics is an emerging field since massive storage and computing capabilities have been made available by advanced e-infrastructures. Earth and Environmental sciences are likely to benefit from Big Data Analytics techniques supporting the processing of the large number of Earth Observation datasets currently acquired and generated through observations and simulations. However, Earth Science data and applications present specificities in terms of relevance of the geospatial information, wide heterogeneity of data models and formats, and complexity of processing. Therefore, Big Earth Data Analytics requires specifically tailored techniques and tools. The EarthServer Big Earth Data Analytics engine offers a solution for coverage-type datasets, built around a high performance array database technology, and the adoption and enhancement of standards for service interaction (OGC WCS and WCPS). The EarthServer solution, led by the collection of requirements from scientific communities and international initiatives, provides a holistic approach that ranges from query languages and scalability up to mobile access and visualization. The result is demonstrated and validated through the development of lighthouse applications in the Marine, Geology, Atmospheric, Planetary and Cryospheric science domains.