Bathymetric Position Index (BPI) Structures 20 m grid derived from gridded bathymetry of Johnston Island, Pacific Remote Island Areas, Central Pacific.
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BPI Structures are derived from two scales of a focal mean analysis on bathymetry and slope. The grid is based on gridded (20 m cell size) multibeam bathymetry,...
BPI结构（BPI Structures）源自针对水深地形与坡度开展的两级局域均值分析（focal mean analysis）。该网格以像元尺寸为20米的网格化多波束水深地形数据为基础构建，……
