WU Bingfang, GAO Feng, HE Guojin, et al. Big data on global changes:Data sharing platform and recognition[J]. Journal of Remote Sensing, 2016,20(6):1479-1484.
WU Bingfang, GAO Feng, HE Guojin, et al. Big data on global changes:Data sharing platform and recognition[J]. Journal of Remote Sensing, 2016,20(6):1479-1484. DOI: 10.11834/jrs.20166365.
which results in poor international influence in global change research;thus
changing this situation is urgent.In 2016
a new project of the National Key Research and Development Program on Global Changes and Adaptation entitled
"Big data on global changes:Data sharing platform and recognition"
is launched.The project attempts to establish a global change-big data(GloBiD) sharing platform to change the current situation.This paper introduces this project
which comprises the establishment of three fast processing systems of global data(i.e.
multi-source data aggregation and processing system
fast production system on global satellite products with 30 m spatial resolution
and fast production system on FY satellite products)
uncertainty analysis of multi-source data impact on global changes
and the recognition of sensitive factors of global change driven by big data.Cloud technology
cluster computing
Apache Spark engine
Apache HBase
and HDFS data storage technology are adopted to build the GloBiD sharing platform.This project will provide high-quality data for the global change research of China.It will also provide valuable information on the main problems of global change for policy making based on the recognition of sensitive factors.Hopefully
the establishment of scientific recognition and data sharing platform of global change data will promote the development of the global change research of China in the future.
关键词
全球变化大数据平台快速算法不确定性敏感因子分析
Keywords
global change big data platformfast algorithmuncertaintysensitive factors recognition