Digital Ocean is a new research domain of Digital Earth.Because of the spatiotemporal,three-dimensional(3D)and intrinsically dynamic nature of ocean data,it is more difficult to make a breakthrough in this domain.The ...Digital Ocean is a new research domain of Digital Earth.Because of the spatiotemporal,three-dimensional(3D)and intrinsically dynamic nature of ocean data,it is more difficult to make a breakthrough in this domain.The construction of the China Digital Ocean Prototype System(CDOPS)pushes Digital Ocean a step forward from its operation as a mere concept to its achievement as a realistic system.In this paper,the technical framework of the CDOPS is discussed,including its data,function,and application layers.Then,two key technologies are studied in detail that will enable the construction of the 3D ocean environment and the visualization of the ocean model output data.Practical demonstrations show that the CDOPS provides a technical reference for the development of Digital Ocean.This paper is based on an ongoing research project of the development of CDOPS that aims at the facilitation,integration,sharing,accessing,visualization,and use of the ocean data and model computing data from the Digital Earth perspective.展开更多
Oceans occupy approximately seventy-one percent of the earth’s surface,and vast regions of oceans are virtually unexplored,especially the deep parts where humans have never been.Therefore,it is urgent to understand o...Oceans occupy approximately seventy-one percent of the earth’s surface,and vast regions of oceans are virtually unexplored,especially the deep parts where humans have never been.Therefore,it is urgent to understand our oceans from a number of perspectives.In this paper,the concept of Smart Ocean(SO)is constructed from the perspectives of environmental protection,sustainable development of the blue economy and marine disaster prevention and mitigation.First,a doublefunnel structure concept model of SO,including ocean observation infrastructure,data,information,application,knowledge and decision support layers,is put forward.Second,the differences between SO and Digital Ocean(DO)are analyzed.Third,taking the Decision Support System for Emergency at Taiwan Strait as an example,a case study,which has assisted in saving more than 200 people,is introduced.Finally,future research agenda is summarized into seven aspects,including new instrumentation and sensor technologies,ocean big data mining and knowledge discovering,prediction,forecast and uncertainty analysis,ocean environment protection technologies and policy,sustainable use of ocean energy and resource,the influence and response to global changes in the ocean,and interdisciplinary collaboration and public service.展开更多
基金The study is funded by the National High Technology Research and Development Program of China(863 Program)(No.2009AA12Z208,No.2009AA12Z225)the 908 Project of the State Oceanic Administration,China(No.908-03-03-02)。
文摘Digital Ocean is a new research domain of Digital Earth.Because of the spatiotemporal,three-dimensional(3D)and intrinsically dynamic nature of ocean data,it is more difficult to make a breakthrough in this domain.The construction of the China Digital Ocean Prototype System(CDOPS)pushes Digital Ocean a step forward from its operation as a mere concept to its achievement as a realistic system.In this paper,the technical framework of the CDOPS is discussed,including its data,function,and application layers.Then,two key technologies are studied in detail that will enable the construction of the 3D ocean environment and the visualization of the ocean model output data.Practical demonstrations show that the CDOPS provides a technical reference for the development of Digital Ocean.This paper is based on an ongoing research project of the development of CDOPS that aims at the facilitation,integration,sharing,accessing,visualization,and use of the ocean data and model computing data from the Digital Earth perspective.
基金the Strategic Priority Research Program of Chinese Academy of Sciences[grant number XDA20020101]the National Key R&D Programs of China[grant number 2017YFB0504201]the National Natural Science Foundation of China[grant numbers 61473286 and 61375002].
文摘Oceans occupy approximately seventy-one percent of the earth’s surface,and vast regions of oceans are virtually unexplored,especially the deep parts where humans have never been.Therefore,it is urgent to understand our oceans from a number of perspectives.In this paper,the concept of Smart Ocean(SO)is constructed from the perspectives of environmental protection,sustainable development of the blue economy and marine disaster prevention and mitigation.First,a doublefunnel structure concept model of SO,including ocean observation infrastructure,data,information,application,knowledge and decision support layers,is put forward.Second,the differences between SO and Digital Ocean(DO)are analyzed.Third,taking the Decision Support System for Emergency at Taiwan Strait as an example,a case study,which has assisted in saving more than 200 people,is introduced.Finally,future research agenda is summarized into seven aspects,including new instrumentation and sensor technologies,ocean big data mining and knowledge discovering,prediction,forecast and uncertainty analysis,ocean environment protection technologies and policy,sustainable use of ocean energy and resource,the influence and response to global changes in the ocean,and interdisciplinary collaboration and public service.
