北京时间除夕，"蛟龙"号开展了其第419次下潜，也是本航次的第8次下潜，深度超过4000米。本航次是"蛟龙"号载人潜水器和无人遥控潜 水器常态化联合作业，标志着"一船双潜器"的模式进入业务化阶段。 央视网消息：自上世纪70年代我国开展大洋科学考察起，浩瀚无垠的大洋和奔腾汹涌的海浪就见证着中国在大洋科考领域取得的丰硕成 果。 新春佳节，在遥远的大洋上，依然有四支中国科考队在开展大洋考察。他们都取得了哪些新进展？一起去看一看。 在西太平洋，搭载"蛟龙"号载人潜水器的"深海一号"船正在执行西太平洋科学考察航次，将充分发挥"蛟龙"号的原位高精度探测优势，完 成热液区生态调查，并开展海洋地质、海洋化学、海洋生物、海洋物理等调查。 在西北太平洋，中国大洋91航次正在我国北京先驱公司多金属结核合同区开展资源环境调查，目前，已获取了合同区资源分布特征、合同 区冬季环境参数，为未来采矿装备试验环境影响评估工作提供支撑。 在西北印度洋，中国大洋94航次正在开展水体调查，重点关注人类活动和气候变化双重影响下海洋环境变化和缺氧现象驱动机制、生物多 样性演变和适应机制等科学问题，为该区域生物多样性养护提供有效的科学支撑。 目前，中国大 ...

近日，国家海洋标准计量中心在青岛召开国家标准《海洋科考人员安全培训指南》编写启动会，标 志着我国首部针对海洋科考人员安全培训的国家标准正式进入研制阶段。 会议由全国海洋标准化技术委员会主持，来自自然资源部系统、涉海科研院所、海洋科考船舶管理 单位以及标准化领域的专家学者、标准起草团队代表参加了会议。 当前，我国海洋科考面临多重安全挑战：台风、风暴潮、海冰等极端自然环境风险突出，船舶碰 撞、设备落水、人员伤亡等安全隐患并存。随着我国科考范围从近海延伸至深大海洋和极地，观测与监 测手段覆盖太空卫星至深海潜器，作业复杂性与技术门槛持续提升。尤其值得关注的是，当前以调查项 目、科考任务为主导模式的海洋科学考察活动普遍存在跨部门、跨专业领域、多单位临时组建海洋科考 队伍等情况，部分科考人员缺乏系统安全培训，航前与海上安全培训缺少统一标准，科考安全保障问题 日益突出。 会上，国家海洋标准计量中心相关负责人详细介绍了标准草案的编制背景与核心框架。该标准作为 推荐性国家标准，拟构建"法律法规+基本安全+专业安全+心理健康"的四维培训体系，实现安全保障全 场景覆盖。基本安全培训聚焦个人求生、海上救助、消防应急等必备技能，采用" ...

Group 1 - The core achievement of the mission was the successful launch of 9 satellites, including the UAE 813 satellite and the Jixing Gaofen 07B01 satellite, using the Lijian-1 rocket [3] - The Lijian-1 rocket has entered a phase of mass production and high-density launches, facilitated by the establishment of dedicated launch facilities [3] - The rocket's vertical launch device can execute a new launch within 10 days after a previous launch, indicating improved operational efficiency [5][8] Group 2 - The "Xuelong" and "Xuelong 2" vessels are currently engaged in unloading operations near Zhongshan Station, facing challenges due to thick sea ice [9][11] - The "Xuelong" vessel successfully navigated through difficult ice conditions, while the "Xuelong 2" vessel also faced significant obstacles but managed to reach the unloading point [13] - The "Haiyang Dizhi 6" research vessel has published new scientific findings, including deep-sea environmental data and the discovery of a polymetallic nodule resource-rich area, contributing to research on deep-sea geology and ecosystems [19]

Group 1: Marine Exploration and Resources - The "14th Five-Year Plan" emphasizes the importance of marine development, protection, and the promotion of a high-quality marine economy to build a strong marine nation [1] - The "Haimen" cold spring area in the South China Sea is identified as a significant site for the collection of combustible ice, which is recognized as a future alternative energy source with global reserves twice that of oil, coal, and natural gas combined [5][12] - The "Haimen" deep-sea remotely operated vehicle has over 90% domestic production rate and can dive to depths of 4,500 meters, showcasing advancements in deep-sea exploration technology [5][9] Group 2: Technological Advancements in Shipbuilding - The second domestically produced large cruise ship, "Aida Huacheng," is nearing completion with an 85% progress rate, featuring a length increase of 17 meters and a total tonnage increase of 0.64 million tons [16][19] - The construction efficiency of "Aida Huacheng" has improved by approximately 20% due to innovative technologies and the use of prefabricated cabin technology, allowing for faster assembly [19][21] - The cruise ship will have 2,838 cabins, with over 1,100 utilizing prefabricated technology, reducing the overall interior installation period by 8 months compared to the first ship [21] Group 3: Future of the Cruise Industry in China - The first large domestic cruise ship, "Aida Modu," has successfully completed multiple voyages, indicating a growing domestic cruise market [23][25] - By 2030, China is projected to become a major global cruise market with an estimated 10 million tourists, and by 2035, the cruise industry is expected to exceed 400 billion RMB in annual economic scale [27]

Group 1: Marine Exploration and Resources - The "14th Five-Year Plan" emphasizes the need to enhance marine development, utilization, and protection, aiming for high-quality growth in the marine economy and the establishment of a strong marine nation [1][20] - The "Haima" cold spring area in the South China Sea is identified as a significant site for methane hydrate, which is recognized as a future alternative energy source, with global reserves estimated to be twice that of oil, coal, and natural gas combined [7][11] - The "Haima" deep-sea remote-controlled submersible, with over 90% domestic production, can dive to depths of 4,500 meters, playing a crucial role in the collection of combustible ice and associated gases [9][11] Group 2: Technological Advancements in Marine Research - A new major scientific infrastructure project, the "Cold Spring Ecosystem Research Facility," is under construction in Nansha, Guangzhou, with a total investment of 2.66 billion yuan, aiming to be completed by 2030 [20] - This facility will include a seabed laboratory the size of three Chinese space stations, designed for long-term human habitation at depths of 2,000 meters, significantly advancing deep-sea research capabilities [20][19] Group 3: Cruise Industry Development - The second domestically produced large cruise ship, "Aida Huacheng," is nearing 85% completion, with a construction efficiency improvement of approximately 20% due to innovative technologies and experience accumulation [22][24] - The ship will feature 2,838 cabins, with over 1,100 utilizing prefabricated cabin technology, reducing the overall interior installation time by 8 months compared to the first ship [32][28] - The Chinese cruise market is projected to become the world's most significant by 2030, with an expected annual visitor count of 10 million and an industry economic scale surpassing 400 billion yuan by 2035 [42]

Group 1: Major Achievements in Infrastructure and Exploration - China has achieved historic breakthroughs in major engineering and frontier exploration, including the world's only continuous manned deep-sea diving in the Arctic, the completion of the main structure of Xi'an East Station, and the connection of the longest long-distance heating pipeline in the country [1] Group 2: Arctic Manned Deep-Sea Diving - The Arctic manned deep-sea diving team successfully completed 43 diving missions using the "Fendouzhe" manned submersible, in collaboration with the "Jiaolong" submersible, marking a new model of underwater cooperative operations [2][4] - The team conducted the first manned deep-sea scientific exploration in the Arctic ice zone, reaching a maximum depth of 5,277 meters, and collected valuable samples and observation data to support research on rapid climate change in the Arctic [4] Group 3: Xi'an East Station - The main structure of Xi'an East Station, a key project in China's 14th Five-Year Plan, has been completed, covering a total area of 394,000 square meters and featuring 13 platforms and 27 tracks [5][8] - The station is expected to handle over 36.5 million passengers annually, significantly alleviating passenger flow pressure in the Xi'an railway hub [5] Group 4: Long-Distance Heating Pipeline - The "Liaohuo into Jinan" project, which utilizes waste heat from a power plant in Liaocheng to provide heating for Jinan, has achieved full-line connection, with a total length of 110 kilometers and a diameter of 1.6 meters, making it the longest and largest heating pipeline in China [9][12] - The project is expected to reduce coal consumption by 1.2989 million tons and cut carbon dioxide emissions by 3.564 million tons each heating season, equivalent to the carbon sequestration of four Saihanba forest farms in a year [12]

Group 1: Infrastructure Development - The Hanjiang Grand Bridge has successfully completed the main tower topping, marking the transition to a new construction phase for the bridge deck and stay cables [1] - The bridge, with a total length of 660 meters and a main tower height of 187.7 meters, is the largest span single-tower cable-stayed bridge in China [1] - The completion of the bridge is expected to enhance connectivity between the Wuhan and Chengdu urban agglomerations, promoting interconnectivity between the central Yangtze River urban cluster and the western region [4] Group 2: Renewable Energy Projects - The construction of China's first integrated hydropower and wind-solar base has achieved a breakthrough with two large hydropower stations synchronously diverting the river [8] - The Mengdigou hydropower station has an installed capacity of 2.4 million kilowatts, making it the largest hydropower project under construction in the Yalong River basin [10] - Together, the two hydropower stations are expected to save 3.5 million tons of standard coal and reduce carbon dioxide emissions by 9 million tons annually, contributing to green and low-carbon development [10] Group 3: Port and Logistics - The second 400,000-ton bulk cargo smart terminal at Qingdao Port has officially commenced operations, enhancing the port's throughput capacity by 16 million tons annually [11] - This terminal is the first of its kind in northern China, establishing a high-efficiency iron ore transportation artery [13] - The terminal integrates advanced technologies such as 5G, artificial intelligence, and cloud computing to automate unloading, loading, and blending processes [13] Group 4: Air Travel and Tourism - Shanghai Pudong International Airport has seen its total inbound and outbound passenger volume exceed 30 million this year, a year-on-year increase of 19.8% [14] - The number of foreign passengers has surpassed 8.4 million, with a significant increase of 41%, indicating a strong recovery in international travel [14] - To improve the experience for foreign passengers, the airport has optimized its service model and reduced waiting times through dynamic adjustments to inspection channels [14]

Core Points - The "Ocean Geological No. 2" research vessel is conducting "source fire" collection in the northern South China Sea using the "Haima" deep-sea remotely operated vehicle [1][5] - The operation involves adjusting and deploying a fire collection device on the "Haima" vehicle before it descends to the seabed [4][6] - The collection team successfully retrieves the "source fire" and transfers it to a designated box for further analysis [7] Group 1 - The "Haima" deep-sea remotely operated vehicle is equipped with a fire collection device for underwater operations [6] - The research team is actively involved in the collection process, ensuring proper handling and transfer of the collected "source fire" [7] - The operation highlights advancements in deep-sea exploration technology and its applications in geological research [1][5]

Core Insights - The "Xuelong 2" polar research icebreaker successfully returned to Shanghai, marking China's largest Arctic scientific expedition with 100 members from the 15th Arctic Scientific Expedition Team [1] - The expedition aimed to enhance understanding of the rapidly changing Arctic and its impacts, providing crucial support for addressing global climate change [1] Group 1: Expedition Overview - The Arctic expedition was organized by the Ministry of Natural Resources and involved four vessels: "Xuelong 2," "Jidi," "Deep Sea One," and "Exploration Three" [1] - Significant progress was made in multi-disciplinary investigations and observations in the Arctic, particularly in the Chukchi Sea, Canadian Basin, and central Arctic region [1] Group 2: Research Achievements - Collaborative operations between "Xuelong 2" and "Jidi" improved synchronous observation capabilities in the Arctic, filling data gaps in high-latitude marine areas [1] - Long-term real-time monitoring of ice drift and underwater hydrological and ecological changes supports the understanding of seasonal evolution and underlying mechanisms in the Arctic [1] Group 3: Ecological Insights - The deployment of multiple underwater biological imaging observation systems at different depths and time scales provided comprehensive data on the ice edge zone [2] - The expedition captured significant occurrences of subsurface chlorophyll maxima, enhancing understanding of the Arctic "sea-snow" formation mechanisms and laying the groundwork for studying the ecological responses of the ice edge zone to sea ice retreat [2]