Global Reference Grids for Big Earth Data

查看全文 作　　者：Robert [1]G.Gibb;Matthew [2]B.J.Purss;Zoheir [3]Sabeur;Peter [4]Strobl;Tengteng [5]Qu 机构地区：[1]Manaaki Whenua–Landcare Research,Palmerston North,New Zealand;[2]Pangaea Innovations Pty.Ltd,Canberra,Australia;[3]Department of Computing and Informatics,Talbot Campus,University of Bournemouth,Bournemouth,UK;[4]European Commission,Joint Research Centre(JRC),Ispra,Italy;[5]College of Engineering,Peking University,Beijing,China 出　　处：《Big Earth Data》索引2022年第6卷第3期,共5页 摘　　要：The emerging field of Discrete Global Grid Systems(DGGS)provides a way to organise,store and analyse spatio-temporal data at multiple resolutions and scales(from near global scales down to microns).DGGS partition the entire planet into a discrete hierarchy of global tessellations of progressively finer resolution zones(or cells).Data integration,decomposition and aggregation are optimised by assigning a unique spatio-temporal identifier to each zone.These identifiers are encodings of both the zone’s location and its resolution.As a result,complex multi-dimensional,multi-resolution spatio-temporal operations are simplified into sets of 1D array and filter operations. 关 键 词：operations simplified PARTITION