水资源可持续利用
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从哪些方面入手破解青岛水资源短缺问题?
Zhong Guo Huan Jing Bao· 2025-10-15 08:20
Core Viewpoint - The report emphasizes the urgent need for sustainable water resource management in Qingdao, a key coastal city in northern China, due to severe water shortages that hinder green and high-quality development [1] Group 1: Current Water Resource Challenges - Qingdao's per capita water resource is only 9.5% of the national average, highlighting a critical limitation for local development [1] - Total water usage in Qingdao increased by 4.186 million cubic meters in 2023, while agricultural water usage decreased by 660,000 cubic meters, indicating intensified competition for water resources [1] - The over-extraction of groundwater is a significant issue, with shallow groundwater storage in plain areas decreasing by 116 million cubic meters year-on-year, leading to increased pollution risks and ecological degradation [1] Group 2: Proposed Solutions - Expanding water sources is fundamental, including large-scale seawater utilization and rainwater resource management, alongside the development of seawater desalination and recycled water systems [2] - Comprehensive water conservation strategies are essential, focusing on optimizing industrial layouts, promoting low-water consumption industries, and enhancing agricultural water efficiency [2] - Implementing smart management and regulatory frameworks, such as tiered water pricing and real-time monitoring systems, is crucial for sustainable water resource management [2] Group 3: Legal and Social Frameworks - There is a need to revise water conservation regulations and establish stricter water usage standards, integrating water resource management indicators into government performance evaluations [3] - Encouraging public participation and creating a collaborative governance system involving government, market, and society is vital for improving sustainable water resource utilization [3]
天下梯田何其多,紫鹊界梯田有啥特殊?
Ren Min Ri Bao· 2025-10-05 07:19
Core Insights - The article highlights the unique characteristics of the Ziqiao Jie terraced fields in Hunan, emphasizing their historical significance, scale, and advanced irrigation techniques developed over 2000 years [1][2]. Group 1: Historical and Cultural Significance - The Ziqiao Jie terraced fields have a history dating back to the pre-Qin period and reached their peak during the Song and Ming dynasties, showcasing a blend of southern rice cultivation and mountain hunting cultures [1]. - The terraced fields cover over 80,000 acres, with the core scenic area exceeding 20,000 acres, featuring over 1,100 layers at its highest point [1]. Group 2: Irrigation and Ecological Management - A unique natural self-flow irrigation system has been developed, relying on forest conservation, soil water retention, and the terraced structure, allowing for sustainable water resource utilization [1]. - Local management has been improved by establishing a dedicated management body for the terraced fields, ensuring integrated protection, planning, and utilization [2]. - Restoration efforts include repairing 46 small water channels totaling 16,000 meters and rehabilitating 1,500 acres of abandoned terraced fields, enhancing the ecological capacity of the area by 35% [2]. Group 3: Tourism and Community Engagement - The Ziqiao Jie has introduced an "immersive farming experience" for tourists, allowing them to participate in activities like planting and harvesting, thus promoting agricultural education [3]. - A "Terraced Field Guardian" program has been launched, enabling individuals to adopt sections of the terraced fields and monitor their growth through a mobile application, fostering a connection between consumers and agriculture [3]. - The upcoming harvest season is expected to bring joy to families as the terraced fields turn golden with ripe rice [3].
专访中国工程院院士王浩:以节水优先战略破解水资源瓶颈
Ke Ji Ri Bao· 2025-08-24 05:47
Core Insights - Water is essential for life, production, and ecology, with China facing severe water resource challenges despite having a total water volume of 2.8 trillion cubic meters [5][6] - Over 400 out of 655 cities in China experience water scarcity, with 110 cities facing severe shortages, particularly in the northern regions [5][6] - The disparity in water resource distribution between northern and southern China exacerbates the water scarcity issue, as the north holds only 19% of the country's water resources while supporting 46% of the population [5][6] Water Resource Status - China's per capita water resource availability ranks 106th globally, with agricultural water resource per acre being less than half of the world average [5] - The northern region, which occupies 44% of the population and 40% of the arable land, faces a critical water shortage due to the uneven distribution of water resources [5] Importance of Water Conservation - The demand for water is immense, driven by the needs of over 1.4 billion people, extensive agricultural land, and a large industrial sector [6][7] - Water conservation is not just a temporary measure but a fundamental solution for sustainable development [7] Strategies for Water Conservation - Implementing a "water conservation first" strategy is crucial, focusing on prioritizing water-saving measures in planning and management [8] - Key areas for this strategy include establishing a strong awareness of water scarcity, optimizing economic structures based on water availability, and prioritizing investments in water-saving technologies [8] Challenges in Water Conservation - Water conservation is a systemic issue that requires collaboration across various sectors, including industry, agriculture, and urban planning [9] - Current challenges include a lack of awareness, insufficient technology, inadequate infrastructure, and weak institutional mechanisms [9][10] Solutions for Systematic Issues - Focus on policies that enhance water efficiency, develop a pricing mechanism that encourages conservation, and establish standards for water-saving technologies [10] - Promote collaboration among government, enterprises, and the public to foster a collective effort in water conservation [10] Role of Reclaimed Water - The underutilization of reclaimed water is attributed to mismatches in supply and demand, weak infrastructure, and inadequate standards [11] - Addressing these issues is essential for improving the application of reclaimed water in various sectors [11] Public Awareness and Participation - Enhancing public awareness of water conservation is critical for sustainable water resource management [12] - Building a consensus on water conservation across society can lead to significant improvements in water management policies and practices [12]
【时代风口】“中国节水奖”引领全民节水新风尚
Zheng Quan Shi Bao· 2025-08-11 17:51
Core Points - The establishment of the "China Water Conservation Award" aims to recognize outstanding contributions in water conservation and promote a new trend of water-saving practices across society [1][2][3] - The award reflects the government's emphasis on water conservation as a critical factor in ensuring national water security and sustainable economic and social development [1][2] - The award ceremony is expected to enhance public awareness of water conservation through media coverage and community engagement [2] Group 1 - The "China Water Conservation Award" is initiated by the Ministry of Water Resources to encourage water-saving efforts amid increasing water scarcity due to rapid economic development and population growth [1] - The award aims to inspire individuals, groups, and enterprises to actively participate in water-saving actions by setting examples of excellence in the field [1][2] - The award's significance lies in its potential to foster a culture of water conservation, making it a collective responsibility among all sectors of society [1][3] Group 2 - The award's impact will be amplified through various promotional activities in schools, communities, and enterprises, enhancing the public's understanding and commitment to water conservation [2] - Achieving the goal of nationwide water conservation requires collaborative efforts from the government, businesses, and the public, with a focus on stricter policies and innovative technologies [2] - The initiative encourages individuals to adopt water-saving habits in their daily lives, contributing to a sustainable water resource management approach [2][3]
【时代风口】 “中国节水奖” 引领全民节水新风尚
Zheng Quan Shi Bao· 2025-08-11 17:46
Core Viewpoint - The establishment of the "China Water Conservation Award" aims to promote water-saving efforts across society, recognizing outstanding contributions in this field and encouraging public participation in water conservation initiatives [1][2][3] Group 1: Importance of the Award - The "China Water Conservation Award" serves as a significant recognition for individuals, groups, and enterprises that excel in water-saving efforts, reflecting the government's commitment to water conservation [1] - The award is expected to inspire a nationwide movement towards water conservation, fostering a culture where everyone is concerned about and actively saves water [1][2] Group 2: Social Impact and Participation - The award ceremony is anticipated to have a strong social influence, with media coverage and public engagement amplifying the achievements and experiences of awardees, thereby enhancing societal awareness of water conservation [2] - Various initiatives in schools and communities, such as competitions and educational activities, are being implemented to instill water-saving habits among students and residents [2] Group 3: Collaborative Efforts Required - Achieving the goal of nationwide water conservation requires collaborative efforts from the government, enterprises, and the public, with the government needing to enforce stricter water management policies and support water-saving technology [2] - Enterprises are encouraged to adopt advanced water-saving technologies and practices, while the public is urged to develop water-saving habits in their daily lives [2]
“三阶净化法”实现水资源可持续利用
Zhong Guo Huan Jing Bao· 2025-07-09 07:26
Core Viewpoint - The project in Tongchuan City, Shaanxi Province aims to address water resource shortages through innovative rainwater management and ecological restoration, enhancing both water resource efficiency and environmental quality [1][2]. Group 1: Project Overview - The project covers an area of 23.13 hectares and has completed 95% of its construction since its commencement in January 2023 [1]. - It includes a comprehensive ecological system featuring a rainwater control system, wetland treatment system, irrigation system, and outdoor drainage systems [1]. Group 2: Innovative Systems - The project employs a "smart control - tiered purification - ecological integration" rainwater management system, tailored to the rainfall characteristics of the region [2]. - Key innovations include intelligent diversion and tiered control, ecological purification and water quality enhancement, and a dual-mode operation mechanism for landscape water safety [2][3]. Group 3: Economic and Ecological Benefits - The project optimizes investment efficiency by aligning construction costs with functional needs through a subsurface wetland system [4]. - It integrates flood control facilities with landscape parks, enhancing urban flood safety while improving residents' living environments [4]. - The project establishes a replicable "storage + landscape" technical system, providing significant reference for sponge city construction across the country [4].