2004-2017 美国境内的野火和规定的野火活动的地理空间数据集
James Beidler1, George Pouliot1, Kristen Foley1
1US Environmental Protection Agency, 109 T.W. Alexander Drive, Research Triangle Park, NC 27711, United States.
Data in brief
|September 16, 2024
概括
一个地理空间数据库详细介绍了2004-2017年美国各地的野火活动. 这些数据有助于评估火灾趋势和随时间和地区的影响.
科学领域:
- 环境科学 环境科学
- 地理空间分析的研究.
- 气候科学 气候科学
背景情况:
- 野火带来了重大的环境和社会风险.
- 准确的火灾活动数据对于了解生态影响和告知政策至关重要.
- 以前的数据集可能缺乏全面的空间和时间覆盖.
研究的目的:
- 创建一个全面的地理空间数据库,记录美国境内的野火活动.
- 使用集成数据源,区分规定的火灾和计划外的野火.
- 支持对野火趋势和区域差异的评估.
主要方法:
- 国家地面报告,卫星图像和地理空间火灾数据的融合.
- 开发一个覆盖2004-2017年期间的地理空间数据库.
- 应用区域气候学方法来区分火灾类型.
主要成果:
- 创建了一个关于野火活动 (位置,时间,规模) 的详细的地理空间数据库.
- 该数据集涵盖了2004年至2017年的美国.
- 建立了一种方法来区分规定的和计划外的野火事件.
结论:
- 开发的数据集为分析野地火灾动态提供了宝贵的资源.
- 这些数据可以为环境影响评估和空气质量研究提供信息.
- 这些发现支持美国环境保护局的空气质量时间系列 (EQUATES) 项目.
相关概念视频
GIS Software, Hardware, and Sources of GIS Data
47
A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
47
Selected Data About Geographic Locations
26
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
26
Levels of Use of a GIS
46
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...
46
Applications of GIS: Disaster Management and Emergency Response
63
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...
63
Manipulation and Analysis
22
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...
22
Introduction to GIS
59
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...
59


