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准确率超99%!我国气象探空业务系统全面迈进“北斗时代”
Qi Lu Wan Bao· 2025-10-18 08:25
Core Points - The upgrade of China's meteorological sounding system from L-band to Beidou sounding marks a significant advancement in high-altitude meteorological observation, placing the country among international leaders in this field [1][4] - The Beidou sounding system boasts an overall observation data accuracy rate exceeding 99%, and it has been applied in weather forecasting and climate monitoring [1][4] Group 1: System Development - China has established an integrated meteorological observation system that encompasses land, sea, air, and space [4] - The upgraded Beidou sounding system is a domestically developed, internationally advanced next-generation meteorological sounding system capable of accurately obtaining vertical profiles of temperature, humidity, pressure, wind direction, and wind speed up to 30,000 meters [4] Group 2: Global Contribution - The Beidou sounding system supports China's deep participation in global meteorological observation, forecasting, and services [6] - Currently, China operates 131 Beidou sounding stations, accounting for 12% of the global total, with 88 of these serving as global data exchange stations, contributing approximately 11% of shared data to global numerical weather prediction and climate change response efforts [6]
准确率超99% 我国气象探空业务系统全面迈进“北斗时代”
Yang Shi Xin Wen· 2025-10-18 06:59
Core Points - The meteorological sounding business system in China has been fully upgraded from L-band sounding to BeiDou sounding, marking a significant advancement in high-altitude meteorological observation and placing China among the international leaders in this field [1][3] - The overall accuracy of the BeiDou sounding system's observational data exceeds 99%, and it has been applied in weather forecasting and climate monitoring [1][3] Group 1 - An advanced BeiDou sounding observation network has been established internationally [2] - China has built an integrated meteorological observation system covering land, sea, air, and space, primarily using balloons equipped with sounding instruments to collect atmospheric data such as temperature, humidity, pressure, wind speed, and direction [3] - The upgraded BeiDou sounding system is a domestically developed, internationally advanced next-generation meteorological sounding system capable of accurately obtaining vertical profiles of temperature, humidity, pressure, wind direction, and wind speed up to 30,000 meters above ground [3] Group 2 - The BeiDou sounding system supports China's deep participation in global meteorological observation, forecasting, and services [5] - Currently, China has established 131 BeiDou sounding stations, accounting for 12% of the total global sounding stations, with 88 of these being global data exchange stations, contributing approximately 11% of shared data to the global total [5]
数据共享破解商业气象发展难题
Zhong Guo Jing Ji Wang· 2025-09-25 06:12
Core Insights - The "High-Resolution Meteorological Data Sharing Plan" launched by Zhongke Tianji aims to provide global meteorological data with a resolution of 12 kilometers and 3 kilometers for China, outputting data every hour for 15 days, addressing the challenges of high-quality commercial meteorological data acquisition and high costs [1] Group 1: Data and Technology - The data is sourced from Zhongke Tianji's self-developed "Global Regional Integrated Weather Numerical Simulation System," which utilizes the "Super Dynamics SD3" algorithm and the AI supercluster computing power from Zhongke Shuguang [1] - The AI supercluster is designed with an open architecture, featuring ultra-high performance, efficiency, reliability, and scalability, capable of supporting trillion-parameter model training and multi-modal model development [1] Group 2: Industry Applications - In the renewable energy sector, the plan provides meteorological data support for wind farms and photovoltaic power stations, enhancing energy generation efficiency and asset value through 46-day long-term simulations of wind speed and irradiance [2] - In the low-altitude economy, the plan offers detailed simulations and vertical atmospheric data below 3 kilometers, improving operational efficiency for low-altitude commercial applications [2] - In the transportation sector, simulations of severe weather conditions can assist in optimizing logistics for road, rail, and port operations, reducing energy consumption and operational costs [2] Group 3: Scientific Contribution - The data shared by Zhongke Tianji is recognized for its scientific significance, contributing to both scientific research and business applications, with a call for more enterprises to recognize the value of widespread data utilization [2]
中国与阿联酋、约旦、埃及多项气象科技合作项目正式启动
Xin Hua She· 2025-08-28 22:38
Core Viewpoint - The China-Arab States Expo has initiated several practical cooperation projects between the China Meteorological Administration (CMA) and the UAE National Meteorological Center, focusing on meteorological satellite data application and capacity building [1][2] Group 1: Cooperation Initiatives - The CMA and the UAE National Meteorological Center will establish a meteorological satellite data application center, focusing on data sharing frameworks, remote sensing application technology planning, and joint talent cultivation [1] - The CMA has already signed a memorandum of cooperation on meteorological satellites with the UAE in April, and the China Fengyun meteorological satellite data platform has connected with 17 Arab countries, providing 40 types of products and services [1] - The CMA will collaborate with Jordan and other countries to develop the "MAZU" early warning system, tailored to local needs, utilizing Fengyun satellites, numerical weather prediction models, AI meteorological models, and early warning algorithms [1] Group 2: Technological Development - The CMA is also working with the Egyptian Meteorological Authority to develop and apply AI-driven meteorological models to enhance disaster weather forecasting and warning capabilities [1] - The focus on AI technology aims to promote its development and application in the meteorological field across the Arab region [1][2] Group 3: International Cooperation - The CMA emphasizes international cooperation in disaster prevention and reduction, aligning with the Belt and Road Initiative, covering areas such as weather forecasting, meteorological satellite applications, and disaster monitoring and early warning [2]
长江投资:2025年上半年亏损960.47万元
Sou Hu Cai Jing· 2025-08-25 11:13
Financial Performance - For the first half of 2025, the company's operating revenue was approximately 89.48 million, a significant decrease from 352.77 million in the same period last year [1] - The net profit attributable to shareholders was -9.60 million, improving from -15.07 million year-on-year [1] - The net cash flow from operating activities was 23.97 million, showing a year-on-year increase of 6.4% [26] Profitability Metrics - The weighted average return on equity for the first half of 2025 was -7.51%, an increase of 0.07 percentage points compared to the previous year [25] - The company's gross profit margin and net profit margin have shown fluctuations, with the gross profit margin for the first half of 2025 being lower than the industry average [18][19] Asset and Liability Changes - As of the end of the first half of 2025, accounts receivable decreased by 28.66%, while cash and cash equivalents increased by 3.63% [39] - Contract liabilities increased by 42.36%, indicating a rise in obligations [42] Shareholder Structure - The largest shareholder is Changjiang Economic United Development (Group) Co., Ltd., holding 45.83% of the total shares [52] - There have been changes in the shareholding proportions of several key shareholders, with some increasing and others decreasing their stakes [52] Valuation Metrics - As of August 25, 2025, the company's price-to-earnings ratio (TTM) was approximately -49.18, and the price-to-book ratio (LF) was about 27.47 [1] - The price-to-sales ratio (TTM) was around 14, indicating a high valuation relative to sales [1]
中国推“妈祖”气象AI 助力多国抗灾升级
Jin Tou Wang· 2025-07-31 06:23
Core Viewpoint - China has launched the "Mazu" meteorological warning system at the 2025 World Artificial Intelligence Conference in Shanghai, aimed at helping developing countries respond to natural disasters [1][2]. Group 1: System Overview - The "Mazu" system is named after a widely revered Chinese sea goddess in Southeast Asia and is designed for global coverage [2]. - The system integrates multiple disaster warnings into a single platform, emphasizing simplicity and collaboration in meteorological safety [3]. - The Chinese Meteorological Administration plans to enhance the meteorological warning system through training, providing forecasters with an open-source toolkit of AI models named "Wind Thunder," "Wind Clear," and "Wind Smooth," each tailored for different time frames from 10 minutes to 3 months [3]. Group 2: Global Context - The system is part of China's efforts to establish a network of warning partnerships with other countries to address extreme weather challenges [2]. - Advanced meteorological warning systems already exist in other countries, such as the U.S. National Weather Service and Japan Meteorological Agency, which rely heavily on local supercomputers and prioritize specific disaster types [2][3]. - The "Mazu-Urban" platform, a city-level disaster warning tool, has been donated to representatives from Djibouti and Mongolia, providing risk assessments, real-time monitoring, forecasts, automated disaster reports, and AI-generated emergency plans [3]. Group 3: Implementation and Reach - Since January, a pilot version of the "Mazu" system has been launched in 35 countries across Asia, Africa, and the Pacific [3]. - The system aims to facilitate global cooperation by making its AI models open-source [3].
首届气象经济博览会合肥启幕,三大亮点赋能“气象+”产业
Xin Jing Bao· 2025-07-18 14:12
Core Insights - The first Meteorological Economy Expo in China opened on July 18, highlighting the strategic role of meteorology as a foundational element in economic development [1][3] - The expo showcased the emergence of new industries and business models under the "Meteorology+" concept, acting as a multiplier for traditional industries and a new engine for emerging fields [1][3] Group 1: Highlights of the Expo - The expo presented the concept of meteorological economy on a large scale for the first time, establishing a new cognitive system that integrates policy, industry applications, technological achievements, and market scenarios [3] - A full-chain showcase of meteorological technology was featured, with numerous innovative technologies and products, including several global or domestic premieres, indicating a significant advancement in China's meteorological technology industrialization [3] - The expo created a one-stop trading platform and a complete service ecosystem, facilitating the realization of industry transformation through product displays, supply-demand matching, and on-site contracts [3][4] Group 2: Industry Integration and Collaboration - The expo emphasized the "linkage" concept, integrating application scenarios, research outcomes, capital resources, and industrial ecosystems to form a collaborative and mutually beneficial new pattern [4] - Over 20 industries, including renewable energy, artificial intelligence, low-altitude economy, transportation tourism, health agriculture, and financial insurance, showcased the deep integration and collaborative innovation of meteorological technology [4] - A special area for technology exchange among universities was established to focus on the critical link of technology transfer, connecting research, technology, and application [4][5] Group 3: Future Activities and Engagement - The expo will continue until July 20, featuring over 20 thematic seminars covering popular topics such as artificial weather modification and low-altitude economic meteorological support [5] - Various activities, including product roadshows, company visits, and technical discussions, will be conducted to build a comprehensive and effective communication platform for the industry [5]
聚焦量子信息、气象赋能、复杂系统 中国科协年会举办三场专题论坛
Zhong Guo Xin Wen Wang· 2025-07-12 09:51
Group 1: Quantum Information Technology and Applications - The "Quantum Information Technology and Applications" forum focuses on promoting academic exchange and the transformation of achievements in quantum information technology, aiming to foster deep integration of industry, academia, and research [2] - Experts discussed key areas such as quantum computing, quantum communication, and quantum precision measurement, sharing insights on the architecture and technical routes of superconducting quantum computing, ion trap quantum computing, and neutral atom quantum computing [2] - The forum highlighted the importance of addressing cosmic ray-related errors in superconducting qubit arrays as quantum computing devices scale up, and presented advancements in continuous variable quantum key distribution technology [2] Group 2: Meteorology Empowering Transportation - The "Meteorology Empowering Transportation" forum aimed to explore the integration of meteorology and transportation, discussing topics like low-carbon transportation, high-impact weather, and low-altitude economy meteorological support [5] - Experts emphasized the significance of meteorology in supporting the construction of a strong transportation system, advocating for breaking down industry barriers and enhancing collaboration for technological innovation [5] - The forum aimed to provide strong support for the construction of a transportation powerhouse through innovative applications of meteorological technology in the transportation sector [5] Group 3: Complex Systems Self-Learning 'Inverse Optimal' Theory and Methods - The "Complex Systems Self-Learning 'Inverse Optimal' Theory and Methods" forum focused on optimal operation modeling of complex systems, discussing non-consensus topics in complex nonlinear systems [7] - Key reports included discussions on intelligent-enhanced predictive control, collaborative control and optimization of cyber-physical energy systems, and the application of generative AI in complex power systems [7] - Roundtable discussions addressed hot topics in interdisciplinary fields, such as the application of large model reasoning technology in intelligent control and the challenges of embodied intelligent inverse optimal theory in robotic systems [7]
会员动态 | 象辑科技、云深处科技完成新一轮融资
Sou Hu Cai Jing· 2025-07-10 09:18
Group 1: Xiangji Technology - Xiangji Technology successfully completed a Series D financing round led by Blueprint Venture Capital, indicating strong market recognition of its core competitiveness and providing robust momentum for its strategic development in the renewable energy and agriculture sectors [1] - Since its establishment in 2014, Xiangji Technology has focused on the in-depth mining of meteorological data and the development of precise forecasting technologies, aiming to bridge the gap between meteorological information and industry decision-making [2] Group 2: Yundongchu Technology - Yundongchu Technology announced the completion of nearly 500 million RMB in a new financing round, led by Dacheng Caizhi and Guoxin Fund, with participation from various other investment institutions, which will enhance its capabilities in technology and product development, application expansion, and talent acquisition [4] - The company has established itself as a leader in the B-end application fields such as power inspection and emergency rescue, focusing on the independent research and development of humanoid robots, quadruped robots, and their core components [5]
西藏民航高高原复杂气象预警技术创新联合实验室举行揭牌仪式
Core Viewpoint - The establishment of the "High-Altitude Complex Weather Warning Technology Innovation Joint Laboratory" in Lhasa marks a significant step in technological innovation for aviation safety in Tibet, aiming to enhance high-altitude aviation safety through advanced technology [1][2]. Group 1: Objectives and Goals - The laboratory will focus on achieving the "Five Ones" goal, which includes producing 7 patents and 5 application software within three years, and forming an independent intellectual property technology system [2]. - It aims to build a high-altitude weather warning cloud platform for cross-unit research collaboration and result sharing [2]. - The laboratory plans to ensure the application of its technologies at key airports in Tibet, such as Lhasa and Linzhi, by the end of 2026, to reduce flight delays caused by complex weather [2]. Group 2: Collaborative Framework - The joint laboratory brings together resources from various sectors, including government, industry, academia, and research, to create a comprehensive innovation ecosystem [2]. - The Civil Aviation Meteorological Center will provide top-level design capabilities, while Inspur Group will invest tens of millions in computing power and AI algorithms [2]. - The collaboration aims to overcome local innovation resource limitations in Tibet and transition from a follower to a leader in high-altitude weather warning technology [2]. Group 3: Long-term Commitment - Representatives from the collaborating units signed a co-construction agreement, committing to share results and risks, and establishing a long-term cooperation mechanism [3]. - The goal is to develop the laboratory into a "national key laboratory for high-altitude civil aviation" and create a global benchmark for high-altitude weather warning technology [3].