Julia Marrs

Member of the Greenhouse Gas Measurement Group

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Julia Marrs is a member of the Greenhouse Gas Measurement Group at the National Institute of Standards and Technology. Previously, she was a National Research Council postdoctoral research associate in the Remote Sensing Group at NIST, where her work focused on linking optical and carbon fluxes at two testbeds, the Forested Optical Reference for Evaluating Sensor Technology (FOREST) and the Turf for the Urban Respiration Fraction (TURF) sites. She received her Ph.D. in Geography from Boston University, where she used tower-based solar-induced fluorescence sensors to study leaf-level partitioning of absorbed light by plants across spatial and temporal scales, with the overall application of validating space-based measurements of greenhouse gases using optical measurements made from ground-based platforms. Her overarching interest in remote sensing of vegetation continues through her other work on the development of hyperspectral sensor characterization and calibration protocols traceable to SI scales, harmonizing optical data collection methods for increased data intercomparability across field sites, and biogenic carbon flux modeling for the Northeast Corridor of the United States using the Vegetation Photosynthesis and Respiration Model (VPRM).