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Sciences and Exploration Directorate

Junchang Ju

(ASSOC RESEARCH SCIENTIST)

Junchang Ju's Contact Card & Information.
Email: junchang.ju@nasa.gov
Phone: 301.614.6451
Org Code: 618
Location: Building 033 | Room F424
Address:
NASA/GSFC
Mail Code 618
Greenbelt, MD 20771
Employer: UNIV OF MARYLAND COLLEGE PARK

Brief Bio


Dr.Ju works as a Remote Sensing Scientist in the Biospheric Sciences Laboratory (code 618). He is interested in satellite-data-based vegetation dynamics study from continental to global scales. He received his BS from China’s Northwest University in 1993 and PhD from Boston University in 2004, all in geography.

Current Projects


Harmonized Landsat/Sentinel-2

Vegetation & Soil

He is currently on a team implementing a production system to harmonize Sentinel-2 and Landsat-8 data to provide more frequent moderate-resolution earth surface observation data (https://hls.gsfc.nasa.gov)

Publications


Refereed

2026. "Global uncertainty assessment of vegetation indices from NASA's Harmonized Landsat and Sentinel-2 Project.", Remote Sensing of Environment, 332 115084 [10.1016/j.rse.2025.115084] [Journal Article/Letter]

2025. "TIF: A time-series-based image fusion algorithm.", Remote Sensing of Environment, 331 115035 [10.1016/j.rse.2025.115035] [Journal Article/Letter]

2025. "The Harmonized Landsat and Sentinel-2 version 2.0 surface reflectance dataset.", Remote Sensing of Environment, 324 114723 [10.1016/j.rse.2025.114723] [Journal Article/Letter]

2025. "Towards Seamless Global 30-meter Terrestrial Monitoring: Evaluating 2022 Cloud Free Coverage of Harmonized Landsat and Sentinel-2 (HLS) V2.0.", IEEE Geoscience and Remote Sensing Letters, 1-1 [10.1109/lgrs.2025.3533923] [Journal Article/Letter]

2024. "A Pilot Study of 10-Day Composites From the NASA Harmonized Landsat and Sentinel-2 Images for Terrestrial Monitoring.", IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium, 6864-6866 [10.1109/igarss53475.2024.10641064] [Proceedings]

2018. "The Harmonized Landsat and Sentinel-2 surface reflectance data set.", Remote Sensing of Environment, 219 145-161 [10.1016/j.rse.2018.09.002] [Journal Article/Letter]

2018. "Detecting early warning signals of tree mortality in boreal North America using multiscale satellite data.", Global Change Biology, [10.1111/gcb.14107] [Journal Article/Letter]

2016. "A general method to normalize Landsat reflectance data to nadir BRDF adjusted reflectance.", Remote Sensing of Environment, 176 255--271 [Journal Article/Letter]

2016. "The vegetation greenness trend in Canada and US Alaska from 1984–2012 Landsat data.", Remote Sensing of Environment, 176 1-16 [10.1016/j.rse.2016.01.001] [Journal Article/Letter]

2014. "Conterminous United States demonstration and characterization of MODIS-based Landsat ETM+ atmospheric correction.", Remote Sensing of Environment, 140 433-449 [10.1016/j.rse.2013.09.012] [Journal Article/Letter]

2012. "Continental-scale validation of MODIS-based and LEDAPS Landsat ETM+ atmospheric correction methods.", Remote Sensing of Environment, 122 175-184 [10.1016/j.rse.2011.12.025] [Journal Article/Letter]

2008. "Multi-temporal MODIS–Landsat data fusion for relative radiometric normalization, gap filling, and prediction of Landsat data.", Remote Sensing of Environment, 112 (6): 3112-3130 [10.1016/j.rse.2008.03.009] [Journal Article/Letter]