科学大数据与数字地球
摘要
Big data has been a focus of research in fields such as science, technology, the economy, and society. Many countries already research big data as a national strategy. This paper elaborates the origin, connotation and development momentum of big data from spatial and temporal perspectives. It proposes that scientific big data will become a new solution in scientific research as the paradigm changes from being model driven to data driven. This paper defines the concept of "scientific big data" and strategies for solving "big data problems". Theoretical frameworks and data systems for the digital Earth are discussed with a clear conclusion that the digital Earth is highly featured with scientific big data. Taking spatial cognition of formation mechanism of the "Heihe-Tengchong Line" as an example, big-data computation and analysis are studied for the digital Earth.