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Updated: Jun 26, 2026

Integrating Remote Sensing with Species Distribution Models; Mapping Tamarisk Invasions Using the Software for Assisted Habitat Modeling SAHM
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使用遥感数据和数值建模,对河流尘埃的时空分布对空气质量的影响评估

Ho-Wen Chen1, Chien-Yuan Chen2, Guan-Yu Lin3

  • 1Department of Environmental Science and Engineering, Tung-Hai University, Taichung, Taiwan.

Environmental science and pollution research international
|February 3, 2024
PubMed
概括

台湾的土壤侵蚀导致河流尘埃,影响空气质量. 这项研究使用遥感和分散建模来优化尘埃控制,通过有针对性的措施将PM度降低51%.

关键词:
空气质量模拟模型空气中的颗粒物.优化模型的优化模型.遥感是一种远程传感.河流的尘埃是河流中的尘埃.

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Linear Approximations01:23

Linear Approximations

For a differentiable function of two variables, linear approximation estimates values near a known point by replacing the curved surface with its tangent plane. Consider the function\begin{equation*}f(x,y)=x^2+3y^2\end{equation*}near the point (2, 1). The exact value at this point is f(2, 1) = 22 + 3(1)2 = 4 + 3 = 7.The linear approximation of f(x, y)) near (a, b) is\begin{equation*}L(x,y)=f(a,b)+f_x(a,b)(x-a)+f_y(a,b)(y-b)\end{equation*}First, compute the partial derivatives: fx(x, y) = 2x and...