St. Croix River - Sidescan Image Mosaic, 2018
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下载链接：
https://catalog.data.gov/dataset/st-croix-river-sidescan-image-mosaic-2018-ad1ec
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资源简介：
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery....
为研发高分辨率水深测绘（high-resolution bathymetry）与侧扫声呐图像（sidescan imagery），密西西比河、圣克罗伊河及明尼苏达河的水声（声呐，Hydroacoustic (sonar)）数据已被采集……
