Chang Liang

Zhenyu He · Jobs Stroustrup

Basic Info

Name: Chang Liang (常亮 / Liang Chang)
Affiliation (during collaboration): Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University
Research areas: active remote sensing of aerosols, CALIPSO data applications, Fernald inversion method, Angstrom-index–lidar-ratio relationships

Collaboration Summary

I collaborated with senior lab member Chang Liang during my PKU senior thesis (aerosol remote-sensing retrieval). As a senior member of the lab (师兄), he provided systematic onboarding to CALIPSO active-remote-sensing methodology, including a walk-through of the Fernald 1984 backward inversion math, a physics-level explanation of the functional relationship between lidar ratio and Angstrom index, and a working retrieval code baseline that I used as a learning and reference starting point. The methodology chapter of my senior thesis is built on top of his hand-derived formula notes, and my thesis defense explicitly credits his look-up-table approach for the type-resolved aerosol retrieval.

Research Direction

Chang Liang’s research centers on active-remote-sensing aerosol retrieval, covering CALIPSO satellite data processing, the Fernald inversion algorithm, and the construction of lidar-ratio look-up tables across multiple aerosol types (dust, biomass burning, sea salt, polluted continental, etc.) to improve physical consistency of layer-resolved retrievals.