印度城市道路交通的高分辨率网格化CO2和污染物排放数据
Rohith Teja Mittakola1,2, Philippe Ciais1, Marc Barthelemy2,3
1Laboratoire des Sciences du Climat et de l'Environnement, IPSL CEA CNRS UVSQ, Gif-sur-Yvette, France.
Scientific data
|December 12, 2025
概括
印度 印度 印度
科学领域:
- 环境科学 环境科学
- 气候变化研究 气候变化研究
- 城市规划 城市规划
背景情况:
- 道路运输是印度二氧化碳 (CO2) 排放和城市空气污染的主要原因之一.
- 到2050年,印度快速的城市化可能会使运输二氧化碳排放量增加一倍,威胁到气候目标.
- 准确的排放数据对于制定有效的减少污染战略至关重要.
研究的目的:
- 为印度15个城市开发高分辨率 (500米网格) 交通排放数据集.
- 为公路运输产生的二氧化碳和主要污染物排放提供细致的洞察力.
- 为印度城市的有针对性拥堵和减少污染的战略奠定基础.
主要方法:
- 从配备GPS的车辆中利用了街道水平的浮动汽车数据 (FCD).
- 应用统计和机器学习技术,以提高数据质量和推断.
- 估计的CO2和污染物排放使用COPERT模型与速度和车型依赖的因素.
主要成果:
- 创建了CHETNA-Road,这是15个印度城市的综合数据集.
- 该数据集提供了详细的每日二氧化碳和十大污染物排放量.
- 与碳监测城市,EDGAR和CAMS等全球数据集进行了评估,显示了更好的分辨率.
结论:
- 切特纳公路以史无前例的分辨率为印度道路交通排放提供了关键的见解.
- 该数据集是旨在减轻城市空气污染的政策制定者和研究人员的宝贵工具.
- 通过启用数据驱动的环境战略,支持印度的净零排放目标.
相关概念视频
Carbon Dioxide Transport in the Blood
4.4K
Carbon dioxide (CO2) transport in the blood is critical to human physiology. On average, our body cells produce around 200 mL of CO2 per minute, precisely the quantity expelled by the lungs. This process involves the transportation of CO2 from the tissue cells to the lungs in three primary forms.
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
4.4K
Selected Data About Geographic Locations
245
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...
245
Assessment of Diffusion and Perfusion
1.5K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.5K
Precipitation and Co-precipitation
4.0K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
4.0K
Design Example: Alignment of a Road Line Using GIS
312
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
312


