Atmospheric Science
沙尘气溶胶光学厚度
Dust Aerosol Optical DepthA measure of the extinction of light by dust aerosols in the atmosphere, quantifying how much light is blocked or scattered by dust particles. / 衡量大气中沙尘气溶胶对光线的消光程度的指标，量化了沙尘颗粒阻挡或散射了多少光线。
- Knowledge type
- 自然理论
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-02 18:06:08
Sub-knowledge points
Atmospheric ExtinctionAerosol ScatteringRegional Dust Transport
Higher-order knowledge points
Atmospheric Radiation BudgetClimate Change ModelingAir Quality Monitoring
Main parameters and performance indicators
AOD: The dimensionless ratio of extinction to incident fluxWavelength: Typically measured at specific wavelengths (e.g., 550 nm)Seasonality: Temporal variation patterns of the optical depth
Open problems
Precise attribution of AOD changes to specific emission sourcesImproving the accuracy of long-term AOD retrieval in arid regions
Related literature
ranked by community starsUnraveling the seasonal pulses of dust aerosol optical depth in arid Asia: A 45-year machine learning attribution analysis (1980–2025)Open source
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1 recordsRecord title: Dust Aerosol Optical Depth.
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