使用卫星图像来了解和促进可持续发展
Marshall Burke1,2,3, Anne Driscoll2, David B Lobell4,2
1Department of Earth System Science, Stanford University, Stanford, CA, USA. mburke@stanford.edu.
概括
卫星图像与机器学习相结合, 为衡量可持续发展提供了强大的工具. 尽管地面数据有限,但卫星数据和人工智能的进步正在改善我们对全球发展结果的理解.
科学领域:
- 环境科学
- 数据科学
- 可持续发展研究
背景情况:
- 准确测量可持续发展成果对于研究和政策至关重要.
- 卫星图像越来越多地用于监测与人类有关的发展指标.
- 人们越来越需要将卫星数据与先进的分析技术结合起来.
研究的目的:
- 综合使用卫星图像和机器学习以实现可持续发展的文献.
- 评估数据稀缺性和质量对机器学习模型性能的影响.
- 突出这一跨学科领域的应用,限制和未来的研究方向.
主要方法:
- 对结合卫星图像和机器学习的研究进行系统文献审查.
- 分析卫星数据分辨率的趋势 (空间,时间,光谱).
- 评估机器学习处理稀缺和杂的训练数据的方法.
主要成果:
- 量化了与人类相关的有限地面数据的可用性.
- 记录了卫星图像的日益丰富和提高分辨率.
- 展示了数据噪声如何导致机器学习模型性能不准确的评估.
- 在各种可持续发展领域量化近期模型表现.
结论:
- 卫星图像和机器学习为监测可持续发展提供了巨大潜力.
- 解决数据稀缺和噪音问题对于可靠的评估至关重要.
- 需要进一步的研究来完善模型并扩大政策和实践中的应用.
相关概念视频
Sustainable Development
14.2K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
14.2K
Manipulation and Analysis
154
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
154
Levels of Use of a GIS
179
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
179
Introduction to GIS
318
Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
318
Applications of GIS: Disaster Management and Emergency Response
258
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
258
Thematic Layering in GIS
159
In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
159


