气象参数对印度加尔各答土壤的影响:使用机器学习技术进行调查
Arindam Kumar Naskar1,2,3, Javed Akhter4, Mahasin Gazi1,2,5
1Nuclear and Particle Physics Research Centre, Department of Physics, Jadavpur University, Kolkata, 700032, West Bengal, India.
Environmental science and pollution research international
|September 14, 2023
概括
在加尔各答的土壤活动因季节而异,在夏季和季风中达到顶峰. 土壤温度与水平有很强的相关性,而像梯度增强机 (GBM) 这样的机器学习模型准确地预测了这些变化.
科学领域:
- 环境科学 环境科学
- 地质物理学 地质物理学
- 大气科学 大气科学
背景情况:
- 土壤活动是一个重要的环境参数,受到各种因素的影响.
- 了解这些影响对于环境监测和危险评估至关重要.
- 持续监测为分析时间变化提供了有价值的数据.
研究的目的:
- 在印度加尔各答持续测量一年的每日土壤活动.
- 分析土壤活动与大气参数 (如温度,压力,湿度和降雨量) 之间的相关性.
- 根据这些参数,评估机器学习模型在预测土壤水平方面的性能.
主要方法:
- 使用BARASOL BMC2探头,每天连续测量土壤活动.
- 分析大气参数,包括土壤温度,土壤压力,湿度,空气温度和降雨量.
- 机器学习算法的应用:主要组件回归 (PCR),支向量回归 (SVR),随机森林回归 (RF) 和梯度增强机器 (GBM).
主要成果:
- 土壤水平呈现季节性变化,冬季活动最小,夏季和季风活动较高.
- 土壤温度与土壤活动的正相关性最强,而最大湿度的正相关性最小.
- 暴雨事件导致土壤水平大幅降低.
- 与PCR和SVR相比,渐变增强机 (GBM) 和随机森林回归 (RF) 在预测土壤活性方面表现优越.
结论:
- 季节性和大气因素显著影响土壤活动.
- 机器学习模型,特别是GBM,提供了可靠和准确的方法来预测土壤水平.
- 这些发现有助于更好地了解土壤动态和环境监测.
相关概念视频
Regression Analysis
5.8K
Regression analysis is a statistical tool that describes a mathematical relationship between a dependent variable and one or more independent variables.
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
5.8K
Steps in Outbreak Investigation
152
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
152
Multiple Regression
3.0K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
3.0K
Random Error
923
Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
923
Maxwell-Boltzmann Distribution: Problem Solving
1.6K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.6K
Measurement of Air Content in Concrete
176
Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...
The pressure method,...
176


