Research

Rui Cheng Lab - To see the unseeable

Our lab studies land surface processes and their feedbacks with climate using state-of-the-art remote sensing techniques, which motivates us building advanced environmental sensors and land surface models.

Gridded SIF

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We are maintaining a gridding code for satellite soundings. One available application is gridded TROPOMI SIF (instantaneous, day-length corrected, and relat...

Remotely Estimating Photosynthetic Seasonality in the Arctic

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Opportunities and challenges in evaluating SIF-GPP relationship using SIF and machine learning-based GPP products Publications: Cheng, R. (2024), Solar-...

Radiative Transfer in Mountainous Regions

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Topographic dependence of radiation and vegetation dynamics. Publications: Kunik, L., Raczka, B., Smith, K.R., Bowling, D., Frankenberg, C., Köhler, P.,...

Photosynthetic Phenology in an Evergreen Needleleaf Forest

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Multi-scale studies on the seasonality of SIF, hyperspectral reflectance, canopy color, and GPP from tropics to the Arctic. These papers feature a canopy-l...

Interannaul Variability of Precipitation in SoCal

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ENSO and PDO explain 20% of the interannual variability of total precipitation and precipitation frequency in SoCal. Publications: Cheng, R., Novak, L.,...