China has advanced its ocean observation capabilities with the successful launch of the Haiyang-2E satellite, expanding the nation’s environmental monitoring network. This marine satellite, part of China’s Haiyang-2 series, was launched from the Jiuquan Satellite Launch Center in northwest China at 7:46 a.m. Beijing time on Thursday, aboard a Long March 4B rocket. This mission marked the 654th flight of the Long March rocket family, underscoring the consistency and reliability of China’s space endeavors. Developed by the China Academy of Space Technology (CAST), HY-2E joins its predecessors in providing critical data for marine observation and forecasting.
The Haiyang-2E satellite will replace the HY-2B, launched in 2018, and will operate alongside the HY-2C and HY-2D satellites. This constellation aims to enhance data continuity, offering detailed insights into the marine dynamic environment. Equipped with four advanced microwave remote sensing instruments, HY-2E is capable of monitoring various sea surface conditions, including height, wave height, wind fields, and temperature. These metrics are crucial for improving marine weather forecasts, climate research, and understanding phenomena like El Niño, thereby boosting the accuracy and dependability of ocean-related data.
Over the past ten years, the Haiyang-2 series has been instrumental in disaster prevention, maritime safety, and scientific research. The data provided by these satellites have been invaluable for tracking typhoons, enhancing tsunami early warning systems, and refining global numerical weather prediction models. Moreover, their contributions extend to marine resource management and strengthening national maritime security. The series has become an essential asset for the nation’s efforts in monitoring and safeguarding its maritime interests.
In addition to supporting weather and climate applications, the Haiyang-2 satellites offer practical benefits to industries like fishing and shipping. The information on ocean currents, winds, and waves helps identify productive fishing areas, allowing vessels to increase efficiency while minimizing costs. Notably, since the launch of HY-2B, the satellites have been equipped with an Automatic Identification System (AIS), facilitating the continuous tracking of vessel positions, speeds, and identification details. This capability significantly enhances navigation safety, particularly across busy sea routes.