绘制多维食品市场 (不可) 访问性和气候脆弱性的共存热点的地图
Gregory S Cooper1, Bhavani Shankar1
1Institute for Sustainable Food and Department of Geography, University of Sheffield, Sheffield, United Kingdom.
概括
气候变化威胁到粮食安全. 这项研究确定了印度气候脆弱性高,市场准入不佳的地区,不成比例地影响了边缘化社区. 解决方案需要公平的市场发展,以获得适应性食品.
科学领域:
- 农业科学 农业科学
- 气候科学 气候科学
- 社会经济学 社会经济学
背景情况:
- 全球气候变化增加了农业生产失败,增加了对营养密集食品 (NDF) 市场的依赖.
- 缺乏市场准入和基础设施的地区容易受到气候危害和农业生产率下降的影响.
- 之前的研究没有评估区域范围内的市场难以进入和气候脆弱性的共存热点.
研究的目的:
- 对印度的市场难以进入和气候脆弱性热点进行区域规模的地理空间分析.
- 确定气候危险和市场准入限制交叉的区域,可能加剧粮食不安全.
- 为弱势群体制定公平和有弹性的市场战略提供信息.
主要方法:
- 一个两阶段的地理空间分析,整合了人口普查数据,PMGSY-GeoSadak数据库和四个印度州的气候脆弱性评估.
- 最近邻分析用于测量多维市场难以进入 (市场距离,主要道路,分区总部).
- 市场准入措施与地区气候脆弱性数据的相关性.
主要成果:
- 市场准入措施 (与市场,道路,行政中心的距离) 在空间上是自相关的,并且积极相互关联.
- 大约有1850万人居住在气候脆弱性高,多维市场难以进入的地区.
- 已识别的共同存在的脆弱性热点不成比例地居住在被列表种姓和列表部落 (SC/ST) 社区.
结论:
- 印度的大量人口面临气候变化和市场限制的复合风险.
- 脆弱性热点集中在边缘化社区中,突出了市场准入中的公平问题.
- 针对性干预对于开发具有弹性市场至关重要,这些市场可以确保NDF对气候脆弱和粮食不安全群体的访问.
相关概念视频
What is Climate?
18.4K
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
18.4K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
42
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
42
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
Selected Data About Geographic Locations
27
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...
27
Applications of GIS: Disaster Management and Emergency Response
64
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...
64
Quantifying Heat
54.3K
Thermal Energy Microscopically, thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Temperature is a quantitative measure of “hot” or “cold”, which depends on the amount of thermal energy. When the atoms and molecules in an object are moving or vibrating quickly, they have a higher average kinetic energy (KE) (or higher thermal energy), and the object is perceived as “hot”, or it is described as being at a...
54.3K


