卫星遥感技术
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巴中特快:绿色低碳城市什么样?/5G+明厨助力食安监管/AI大模型问诊
Zhong Guo Jing Ji Wang· 2025-10-21 07:30
Group 1 - Chinese companies are collaborating with Pakistani officials to explore satellite remote sensing technology to modernize agriculture, focusing on crop monitoring and disaster management [2] - Pakistan's National Bank has launched a digital scheme named "Zarkhez-e" to facilitate unsecured financing for local farmers, aiming to improve access to financial services for marginalized farmers [4][5] - The "Zarkhez-e" financing plan allows for a maximum of 100,000 PKR per acre and up to 1 million PKR for landowners, with at least 75% of the funds provided in kind to ensure quality agricultural inputs [5] Group 2 - China and Pakistan have signed 11 comprehensive education cooperation agreements to promote digital vocational training and agricultural technology innovation [9][10] - The agreements aim to enhance educational collaboration between the two countries, focusing on skills development in agriculture and technology sectors [10]
深圳:执督察利剑 护绿水青山 促绿色发展
Zhong Guo Huan Jing Bao· 2025-09-11 01:34
Core Viewpoint - Shenzhen has achieved significant progress in ecological environment protection over the past decade, completing 100% of its rectification tasks on time, which has become a driving force for high-quality development in the city [2][3][4]. Group 1: Political Commitment and Governance - The Shenzhen municipal government emphasizes that ecological environment protection is a mandatory task, with the mayor and party secretary leading the efforts [3]. - A high-level ecological environment protection committee has been established to oversee and implement rectification tasks, ensuring accountability across various government levels [3]. - The city has created a responsibility transmission system, breaking down 14 rectification tasks into 38 specific measures, assigning clear responsibilities to city departments and district leaders [3][4]. Group 2: Technological Innovation - Shenzhen is utilizing satellite remote sensing technology to proactively identify ecological issues, enhancing the efficiency of problem detection by 3 to 5 times compared to traditional methods [5][6]. - The integration of remote sensing and deep learning algorithms allows for real-time monitoring and verification of rectification efforts, preventing false rectifications [5][6]. Group 3: Environmental Management Achievements - The city has successfully addressed 36 tasks and 838 cases from the first round of central environmental protection inspections, with ongoing progress in the second round [4]. - Shenzhen has achieved a 100% waste disposal rate for household waste, with a recycling rate exceeding 49% and a daily harmless treatment capacity of 32,000 tons [8]. - Water quality management has resulted in a 100% excellent rate for surface water quality, with significant improvements in river and coastal water bodies [9]. Group 4: Economic Development and Green Initiatives - The city's air quality index (AQI) compliance rate reached 95.5%, with PM2.5 levels dropping to 16 micrograms per cubic meter, positioning Shenzhen as a leader among large cities [10]. - Shenzhen has initiated various climate financing projects, with a total financing amount of 29.4 billion yuan, and has become a national model for carbon market transactions [10]. - The proportion of clean energy installations has exceeded 80%, and the penetration rate of new energy vehicles has reached 76.9% [10]. Group 5: Ecological Space and Urban Development - The establishment of the International Mangrove Center and the implementation of ecological corridor projects have enhanced urban ecological networks [11]. - The number of parks in Shenzhen has increased significantly, contributing to a more sustainable urban environment [11]. - The city aims to continue improving its ecological environment while promoting economic development, demonstrating that ecological protection and economic growth are not mutually exclusive [11].
鹤壁航天宏图签署29亿元巴基斯坦互联网卫星合作项目
Sou Hu Cai Jing· 2025-09-06 04:09
Core Insights - The company, Hubei Aerospace Hongtu Information Technology Co., Ltd., signed a strategic cooperation agreement with Pakistan for a total amount of 2.9 billion RMB focused on satellite internet projects [1][2] - This collaboration aims to build a nationwide broadband communication and remote sensing monitoring network in Pakistan using the company's satellite technology and data processing capabilities [1][2] Group 1 - The project will be implemented in phases, including satellite payload development, launch services, ground terminal equipment supply, and subsequent operation and maintenance [1] - The first phase plans to launch and operate 20 satellites, along with establishing a satellite manufacturing facility and application software in Pakistan [2] - This partnership marks the company's first overseas satellite internet order exceeding 2 billion RMB, indicating a shift from a single remote sensing data service model to a comprehensive "satellite + application + operation" business model [1][2] Group 2 - The collaboration will integrate with the company's "Nüwa Constellation," enhancing its position in the international commercial space sector and generating significant commercial and socio-economic benefits [2] - The company aims to leverage this partnership to unlock the potential of the commercial space industry and accelerate its expansion into the global satellite market [2] - This initiative is part of the company's broader strategy to respond to the Belt and Road Initiative and contribute to high-quality development in Hubei [1]
【科技日报】量化垃圾场甲烷排放有了精准“卫星尺”
Ke Ji Ri Bao· 2025-07-30 00:55
Core Viewpoint - The research team from the Chinese Academy of Sciences has developed a new method using high-resolution satellite remote sensing technology to quantify methane emissions from landfills, which is crucial for addressing climate change [1][2]. Group 1: Methane Emissions from Landfills - Landfills are the third-largest anthropogenic source of methane emissions, contributing approximately 18% of global anthropogenic methane emissions [1]. - The study successfully quantified methane emissions from 102 landfills globally, revealing that management practices significantly affect methane emissions [1]. - Open landfills, lacking strict protective measures, have an average methane emission intensity 4.8 times higher than scientifically managed landfills [1]. Group 2: Methodology and Findings - The research utilized advanced satellites with a spatial resolution of 30 meters and a spectral resolution of 10 nanometers, combined with innovative algorithms [1]. - The current global atmospheric research emission databases severely underestimate methane emissions from open landfills [1]. - The new method provides a systematic assessment of methane emissions differences based on landfill management practices, offering scientific evidence to correct existing database biases [1]. Group 3: Recommendations and Future Implications - The research team calls for the international community to enhance landfill facilities and establish a global satellite monitoring data-sharing platform [2]. - Satellite remote sensing technology can achieve unprecedented temporal and spatial resolution for quantifying methane emissions from landfills globally [2]. - The study is expected to shift monitoring models from isolated measurements to a large-scale, continuous monitoring system similar to weather forecasting [2].
【中国青年报】我国科研团队用卫星遥感技术量化全球垃圾填埋场甲烷排放
Zhong Guo Qing Nian Bao· 2025-07-30 00:33
Core Insights - The research team from the Chinese Academy of Sciences has made significant progress in monitoring methane emissions from landfills using high-resolution satellite remote sensing technology, providing a new method for precise quantification of methane emissions [1][2] - Landfills are identified as the third-largest anthropogenic source of methane emissions globally, accounting for approximately 18% of total anthropogenic methane emissions, highlighting the importance of accurate monitoring [1] - The study utilized satellites with 30-meter spatial resolution and 10-nanometer spectral resolution, identifying and quantifying methane plumes from 102 landfills worldwide, detecting a total of 367 effective plumes [1] Methodology and Findings - The new method combines matched filtering algorithms and integrated mass enhancement techniques to achieve precise quantification of methane emissions, overcoming limitations of traditional ground measurement and model estimation methods [1] - The research indicates that the management practices of landfills significantly affect methane emissions, with open dumps emitting an average intensity of methane that is 4.8 times higher than sanitary landfills [2] - The study calls for the international community to enhance landfill facilities and suggests establishing a global satellite monitoring data-sharing platform to ensure equitable access to critical emission data for resource-limited countries [2]
聚焦航空航天生物医药等科创领域 龙港青年开展“青春对话”
Huan Qiu Wang Zi Xun· 2025-05-11 09:49
Core Points - The event "One Million Youths See the Motherland, Thousand Doctors' Journey in China" was held in Harbin, focusing on collaboration between Hong Kong and Heilongjiang youth in various fields such as aerospace, biomedicine, and digital technology [1][3] - The roundtable discussion highlighted the strong complementary resources, industries, and markets between Hong Kong and Heilongjiang, indicating significant cooperation potential [3][5] - The establishment of the Harbin Medical University Talent Workstation (Hong Kong) and the signing of cooperation agreements in research, talent, and tourism were key outcomes of the forum [5] Group 1 - The event featured diverse activities including the Dragon Port Youth Science and Technology Collaborative Development Roundtable and the Dragon Port Star Scholars Forum [1][3] - The Hong Kong youth technology exchange group engaged in deep dialogues with Heilongjiang youth, exploring collaborative innovation paths in aerospace and modern agriculture [3][5] - The "Hong Kong Youth Scientists in Longjiang Have a Field" project was launched, showcasing the integration of technology and agriculture [5] Group 2 - The roundtable emphasized the advantages of Hong Kong's educational resources and funding, alongside Northeast China's industrial foundation, creating numerous collaborative opportunities [5] - The forum called for technological breakthroughs to address health challenges, with discussions on AI-assisted diagnosis and biomedicine innovation [5] - The event was guided by the Central People's Government Liaison Office in the Hong Kong Special Administrative Region and organized by various local youth and governmental organizations [5]