What is the focus of my research?
Aquatic systems are diverse and essential for sustaining life on Earth. Remote sensing provides a unique perspective for observing these ecosystems, allowing us to investigate their structure, dynamics, and biogeochemical variability across a wide range of temporal and spatial scales.
From small inland lakes to the open ocean, aquatic systems contain various optically active constituents, including phytoplankton and organic and inorganic particles. These components interact with incoming sunlight by absorbing and scattering radiation in distinct ways, imprinting unique spectral signatures across the electromagnetic spectrum.
The relationship between water composition and its spectral response forms the foundation of aquatic optics and is commonly described using two complementary approaches: forward models, which simulate radiance from known optical properties, and inverse models, which infer water composition from observed radiance signals.
Satellite sensors continuously record radiometric signals from space, providing insightful imagery that captures information about water color, optical complexity, and ecosystem diversity. When properly processed and validated, these observations allow for quantitative interpretation of spectral patterns in terms of biogeochemical processes.
My research focuses on advancing the applicability and reliability of remote sensing for aquatic systems by integrating theory, observations, and data-driven methods. Specifically, my work includes:
Image processing and data fusion across multiple satellite missions to enhance spatial and spectral information for aquatic applications.
Radiometric validation of ocean-color satellite products using in situ measurements at local and global scales.
Atmospheric correction frameworks to reduce atmospheric, sun-glint, sky-glint, and adjacency effects in aquatic imagery.
Ocean color applications that derive biogeochemical and color information from aquatic systems to address key scientific questions.
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