ARIS dataset: Three fish species

Imaging Sonar data collected using ARIS Explorer 1800 sonar using 1.8 MHz frequency. The sonar data were collected in an experimental pond (width: 6.5 m, length: 46 m, depth: 0.8 m). The velocity regime of the experimental pond was slow and relatively constant (0.08 – 0.14 m/s: measured using a SonTek FlowTracker). An imaging sonar (ARIS Explorer 1800, Sound Metrics Corp.; www.soundmetrics.com) was set facing across the pond and perpendicular to the current. The transducer was mounted 0.05 m below the water surface. Three fish species were in the pond at separate times: Atlantic salmon (number of fish in the pond n=43), striped bass (n=100), and American shad (n=13). More information in https://doi.org/10.1002/tafs.10318 NOTE: The authors have more data available by request, however, due to the large file size this is a 20 GB sample.本数据集为采用工作频率1.8 MHz的ARIS Explorer 1800型成像声呐（Imaging Sonar）采集的声呐成像数据。该数据采集于一座实验池塘（尺寸：宽6.5 m、长46 m、深0.8 m）。实验池塘内水流流速平缓且相对稳定，流速范围为0.08–0.14 m/s，采用SonTek FlowTracker流速仪进行测量。本次采集所用的成像声呐（ARIS Explorer 1800，Sound Metrics Corp.；官网：www.soundmetrics.com）安装方向横跨池塘，且与水流方向垂直，其换能器安装于水面下0.05 m处。实验池塘内分批次投放了三种鱼类：大西洋鲑（池塘内鱼群数量n=43）、条纹狼鲈（n=100）以及美洲西鲱（n=13）。更多详细信息可参阅：https://doi.org/10.1002/tafs.10318。备注：作者可应请求提供更多原始数据，但受限于文件体积，本次发布的仅为20 GB的样本数据集。