Directional wave buoy data measured near Campbell Island, New Zealand

The New Zealand Defence Force (NZDF) has established a permanent wave observation station near Campbell Island, south of New Zealand (52 45.71 S, 169 02.54E). The site was chosen for logistical convenience and its unique location adjacent to the highly energetic Southern Ocean; allowing instrumentation typically deployed on the continental shelf to be used in this rarely observed southern environment.

From February 2017, a Triaxys Directional Wave Buoy was moored in 147 m depth, some 17 km to the south of the island, with satellite telemetry of the 2D wave spectra at 3-hourly intervals. To date there have been three deployments on locations, yielding some 784 days of data. Validation of the measured significant wave height against co-located satellite altimeter observations suggests that the predominant wave directions are not attenuated by the island. The data provide a valuable record of the detailed wave spectral characteristics from one of the least-sampled parts of the Global Ocean.

This and future data will also be accessible via the "Waverider buoys Observations - Australia - delayed (National Wave Archive)" collection available through the Australian Ocean Data Network Portal (https://imos.aodn.org.au/imos123/home?uuid=%202807f3aa-4db0-4924-b64b-354ae8c10b58), the main repository for marine data in Australia. The data represented by this metadata record is a snapshot of the NZDF data at the time of this publication (03/08/2021), and has been assigned a DOI and will be maintained in perpetuity by the AODN.

新西兰国防军（New Zealand Defence Force, NZDF）在新西兰以南的坎贝尔岛附近设立了永久性海浪观测站，地理坐标为南纬52°45.71′、东经169°02.54′。该站点的选点依据为后勤保障便利，且其毗邻能量充沛的南大洋这一独特区位，使得通常部署于大陆架的观测仪器可在此鲜有观测记录的南部海域投入使用。

自2017年2月起，一台Triaxys定向波浪浮标（Triaxys Directional Wave Buoy）被锚定在该岛以南约17公里、水深147米的海域，以每3小时一次的频次通过卫星遥测传回二维海浪频谱数据。截至目前，已在相关点位完成三次部署，累计获取约784天的观测数据。通过将实测有效波高与同位置卫星高度计观测数据进行比对验证，结果显示该岛屿并未对主导浪向产生衰减效应。本数据集提供了全球海洋采样率最低区域之一的精细化海浪频谱特征珍贵记录。

本数据集及后续数据均可通过澳大利亚海洋数据网络（Australian Ocean Data Network Portal, https://imos.aodn.org.au/imos123/home?uuid=%202807f3aa-4db0-4924-b64b-354ae8c10b58）提供的"澳大利亚延迟型波浪浮标观测（国家海浪档案）"数据集获取，该平台是澳大利亚海洋数据的核心托管库。本元数据记录所关联的数据为2021年8月3日发布时的新西兰国防军观测数据快照，已分配数字对象唯一标识符（DOI），并将由澳大利亚海洋数据网络（AODN）永久维护。