共查询到19条相似文献，搜索用时 121 毫秒
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本文通过对数字地球的诠释,结合与地相学的本质联系,论述了二者的形成与的关联程度,提出了数字地球是地相学的“量化”;地相学是数字地球的理论支撑与生存、发展的土壤,球的学科定位“解”,进而,阐明数字时空的实现是数字地球更宽泛的归宿。 相似文献
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建设国家对地观测体系,构筑"数字地球" 总被引：36，自引：2，他引：34
论述了“数字地球”的特征与重要意义,指出对地观测是“数字地球”的核心内容之一。建议中国不失时机地组织建设国家对地观测体系。该体系可在信息获取、处理与应用３个层面上构建,并提出近期中国对地观测应优先发展的领域,以持续地为“数字地球”发展作贡献 相似文献
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黄文彬 《解放军测绘研究所学报》1999,19(3):39-43
本文简略地阐述了“数字地球”的定义和所包含的内容,论述了“数字地球”在发展知识经济中的重要作用,特别论述了“数字地球”的产生给航空摄影带来的影响及航空摄影未来发展的趋势,提出了我国航空摄影发展战略的几点参考意见。 相似文献
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"数字城市"及其关键技术 总被引：9，自引：0，他引：9
“数字地球”是一个可以嵌入海量地理数据的，多分辨率的，真实地球的三维表法。自美国前副总统戈尔提出“数字地球”概念以来，世界上许多国家都在探讨如何实施本国的“数字地球”战略，力争在当今科技制高点上台据一席这地。在实施“数字地球”战略时，作为地球表面人口，资源，环境，信息最密集的地区，城市必然成为主要切入点之一。“数字城市”研究是当前地理信息科学研究的一个热点。与“数字地球”不同，“数字城市”是在城市数字化基础上建议的一个能够实现综合管理与决策支持的，虚拟的，具有开发放性的城市模型。 相似文献
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由国际数字地球学会中国国家委员会和中国科学院对地观测与数字地球科学中心共同主办的“2007对地观测与数字地球论坛”于2007年11月22日在中国科学院文献情报中心报告厅隆重举行。论坛吸引了来自60个单位的300名嘉宾和代表。 相似文献
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“数字地球”与“空间数据基础设施”的关系;实施“数字首都”发展战略的意义,加速首都空间数据基础设施建设,迎接“数字地球”挑战,为首都经济社会的可持续发展而奋斗。 相似文献
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刘永祥 《测绘与空间地理信息》1999,22(4):28
1 测绘业未来展望 随着计算机技术、多媒体技术、网络技术的飞速发展,计算机应用已普及到几乎所有领域和行业,数字化信息数据已实现了全球范围的超远程传输和共享,真正意义上的数字化、信息化时代已经到来。 “数字地球”概念在提出之后一年多的时间里,不但得到了世界各国领导和专家们的认同,而且相应地也有了对于实现“数字地球”的技术和方法的国际或区域研究机构,制订发展战略和实施计划、方案。“数字地球”的建立将为解决地球变化和社会可持续发展中诸多全球问题奠定必要的技术基础,而地理信息数据在“数字地球”信息总资源中占着极其重要的地位。未来的测绘业应该是朝着地球空间信息科学的方向发展或者说发展作为其中的中心部分,在计算机和信息时代,它将不能只限于测绘领域本身,还将体现多学科的渗透与综合,特别是 相似文献
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《International Journal of Digital Earth》2013,6(4):271-284
Abstract The purpose of this paper is to contribute to the definition of a European perspective on Digital Earth (DE), identify some actions that can contribute to raise the awareness of DE in the European context and thus strengthen the European contribution to the International Society for Digital Earth (ISDE). The paper identifies opportunities and synergies with the current policy priorities in Europe (Europe 2020, Innovation Union and Digital Agenda) and highlights a number of key areas to advance the development of DE from a European perspective: (1) integrating scientific research into DE; (2) exploiting the Observation Web with human-centred sensing; and (3) governance, including the establishment of stronger linkages across the European landscape of funding streams and initiatives. The paper is offered also as a contribution to the development of this new vision of DE to be presented at the next International DE Conference in Perth, Australia, in August 2011. The global recognition of this new vision will then reinforce the European component and build a positive feedback loop for the further implementation of DE across the globe. 相似文献
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《International Journal of Digital Earth》2013,6(1):3-16
The Digital Earth (DE) movement is gaining momentum. Much of it is unstructured. This paper examines a number of recent developments including those in health sensors (Wearable Absence, Q-Sensor, and Guardian Angels) and systems frameworks (Gelernter's Mirror Worlds, Virtual Australia, and New Zealand). Consideration is given to the implications of DE for citizens and on citizen science, including those of ethics. A suite of principles to guide the development of DE is proposed. 相似文献
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数字工程就是利用数字技术整合、挖掘和综合利用地理空间信息和其他专题信息的系统工程,是一门空间信息科学、计算机科学、通信科学、管理科学与经济人文科学的广泛交叉学科.数字城市是数字工程的典型应用.在概念辨析的基础上,分析了数字城市的认识误区;结合数字工程的基本原理,分析了数字城市的总体工程结构,提出了建设策略. 相似文献
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《International Journal of Digital Earth》2013,6(3):259-278
Abstract This paper introduces a new concept, distributed geospatial information processing (DGIP), which refers to the process of geospatial information residing on computers geographically dispersed and connected through computer networks, and the contribution of DGIP to Digital Earth (DE). The DGIP plays a critical role in integrating the widely distributed geospatial resources to support the DE envisioned to utilise a wide variety of information. This paper addresses this role from three different aspects: 1) sharing Earth data, information, and services through geospatial interoperability supported by standardisation of contents and interfaces; 2) sharing computing and software resources through a GeoCyberinfrastructure supported by DGIP middleware; and 3) sharing knowledge within and across domains through ontology and semantic searches. Observing the long-term process for the research and development of an operational DE, we discuss and expect some practical contributions of the DGIP to the DE. 相似文献
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数字地球建设中的地理空间Metadata研究 总被引：2，自引：0，他引：2
为解决数字地球建设中现有海量地理空间信息的共建共享,有效管理和利用,结合国际地理空间Metadata标准规范,对数字地球建设中所需的地理空间Metadata的定义,作用,分类,内容,实现模型与实例及其应用进行详细研究和设计,提出用于数字地球建设的地理空间Metadata网络管理系统解决方案,并设计实现了原型系统,为数字地球建设中现有海量地理空间信息的有效管理和共建共享提供了理论基础和切实可行的技术支撑。对国家空间信息基础设施建设和数字地球建设具有重要的推动作用和深远的社会意义。 相似文献
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《International Journal of Digital Earth》2013,6(1):4-16
Abstract Digital Earth's framework can be traced to evolutionary threads with historic foundations that fostered the fertile conceptual and technological incubation. These threads incorporate writings, such as those of the visionary engineering-genius, Buckminster Fuller, in conjunction with an array of space age developments in computers, internet and communications, satellites, and education. In 1998, when Vice President Al Gore articulated the Digital Earth Vision, he portrayed the vision based upon myriad technology factors for the intellectual foundation and sparked a worldwide phenomenon that fortuitously included the Chinese leadership's recognition and acceptance. The Beijing Declaration is recognised for its role promulgating the International Digital Earth Symposium series to promote better understanding of the impacts of Digital Earth technology and applications on behalf of all humankind. Combinations of industrial, academic, and government organisations have advanced the technological components necessary for implementing the Digital Earth Vision at a prodigious rate. Commercial leaders, such as Google, have accelerated the influence of large segments of society towards components of the Digital Earth Vision. However, challenges still remain regarding requisite collaboration on international standards for metadata, interoperability, and data formats for space and time that will affect Digital Earth implementation scenarios. Functional requirements for the model Digital Earth geobrowser remain to be fully articulated. The current paper presents an overview of the historical components, the key players on the international scene, the catalytic technological advances, and the societal response to the growth of the Digital Earth community. 相似文献
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Maria Antonia Brovelli Marco Minghini Rafael Moreno-Sanchez Ricardo Oliveira 《International Journal of Digital Earth》2017,10(4):386-404
ABSTRACTThe development, integration, and distribution of the information and spatial data infrastructure (i.e. Digital Earth; DE) necessary to support the vision and goals of Future Earth (FE) will occur in a distributed fashion, in very diverse technological, institutional, socio-cultural, and economic contexts around the world. This complex context and ambitious goals require bringing to bear not only the best minds, but also the best science and technologies available. Free and Open Source Software for Geospatial Applications (FOSS4G) offers mature, capable and reliable software to contribute to the creation of this infrastructure. In this paper we point to a selected set of some of the most mature and reliable FOSS4G solutions that can be used to develop the functionality required as part of DE and FE. We provide examples of large-scale, sophisticated, mission-critical applications of each software to illustrate their power and capabilities in systems where they perform roles or functionality similar to the ones they could perform as part of DE and FE. We provide information and resources to assist the readers in carrying out their own assessments to select the best FOSS4G solutions for their particular contexts and system development needs. 相似文献
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《International Journal of Digital Earth》2013,6(1):1-3
ABSTRACTDigital Earth has seen great progress during the last 19 years. When it entered into the era of big data, Digital Earth developed into a new stage, namely one characterized by ‘Big Earth Data’, confronting new challenges and opportunities. In this paper we give an overview of the development of Digital Earth by summarizing research achievements and marking the milestones of Digital Earth’s development. Then, the opportunities and challenges that Big Earth Data faces are discussed. As a data-intensive scientific research approach, Big Earth Data provides a new vision and methodology to Earth sciences, and the paper identifies the advantages of Big Earth Data to scientific research, especially in knowledge discovery and global change research. We believe that Big Earth Data will advance and promote the development of Digital Earth. 相似文献