W00503: NOS Hydrographic Survey , External Source Data 2020, 2015-06-29

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration，简称NOAA）拥有法定授权，可收集水文数据以支持安全……的航海海图编制。