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Sciences and Exploration Directorate

Qing Liu

(SUPPORT SCIENTIST)

Qing Liu's Contact Card & Information.
Email: qing.liu-1@nasa.gov
Phone: 301.614.6790
Org Code: 610.1
Address:
NASA/GSFC
Mail Code 610.1
Greenbelt, MD 20771
Employer: SCIENCE SYSTEMS AND APPLICATIONS INC

Education


PhD Georgia Institute of Technology, Atlanta, Georgia

Publications


Refereed

2025. "Assimilation of ASCAT Soil Moisture and SMAP Brightness Temperature Observations into the NASA GEOS Land Data Assimilation System.", Journal of Hydrometeorology, 26 1237-1259 [10.1175/jhm-d-24-0139.1] [Journal Article/Letter]

2024. "Neglect of Potential Seasonal Streamflow Forecasting Skill in the United States National Water Model.", Geophysical Research Letters, 51 (4): [10.1029/2023gl105649] [Journal Article/Letter]

2023. "IMERG Precipitation Improves the SMAP Level-4 Soil Moisture Product.", Journal of Hydrometeorology, 24 1699-1723 [10.1175/jhm-d-23-0063.1] [Journal Article/Letter]

2023. "Late-fall satellite-based soil moisture observations show clear connections to subsequent spring streamflow.", Nature Communications, 14 (1): 3545 [10.1038/s41467-023-39318-3] [Journal Article/Letter]

2023. "A Weakly-Coupled Land Surface Analysis With SMAP Radiance Assimilation Improves GEOS Medium-Range Forecasts of Near-Surface Air Temperature and Humidity.", Quarterly Journal of the Royal Meteorological Society, 149 1867-1889 [10.1002/qj.4486] [Journal Article/Letter]

2022. "The Simulation and Subseasonal Forecasting of Hydrological Variables: Insights from a Simple Water Balance Model.", Journal of Hydrometeorology, 23 (11): 1719-1736 [10.1175/jhm-d-22-0050.1] [Journal Article/Letter]

2022. "Validation of Soil Moisture Data Products From the NASA SMAP Mission.", IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 15 364-392 [10.1109/jstars.2021.3124743] [Journal Article/Letter]

2021. "Improved Estimates of Pentad Precipitation Through the Merging of Independent Precipitation Data Sets.", Water Resources Research, 57 (12): e2021WR030330 [10.1029/2021wr030330] [Journal Article/Letter]

2021. "Assimilation of SMAP Brightness Temperature Observations in the GEOS Land-Atmosphere Data Assimilation System.", IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14 10628-10643 [10.1109/jstars.2021.3118595] [Journal Article/Letter]

2021. "The Contributions of Gauge-Based Precipitation and SMAP Brightness Temperature Observations to the Skill of the SMAP Level-4 Soil Moisture Product.", Journal of Hydrometeorology, 22 (2): 405-424 [10.1175/jhm-d-20-0217.1] [Journal Article/Letter]

2020. "An observation‐driven approach to improve vegetation phenology in a global land surface model.", Journal of Advances in Modeling Earth Systems, 12 e2020MS002083 [10.1029/2020ms002083] [Journal Article/Letter]

2019. "Version 4 of the SMAP Level‐4 Soil Moisture Algorithm and Data Product.", Journal of Advances in Modeling Earth Systems, 11 (10): 3106-3130 [10.1029/2019ms001729] [Journal Article/Letter]

2019. "Multi-sensor assimilation of SMOS brightness temperature and GRACE terrestrial water storage observations for soil moisture and shallow groundwater estimation.", Remote Sensing of Environment, 227 12-27 [10.1016/j.rse.2019.04.001] [Journal Article/Letter]

2018. "Exploiting Soil Moisture, Precipitation, and Streamflow Observations to Evaluate Soil Moisture/Runoff Coupling in Land Surface Models.", Geophysical Research Letters, 45 (10): 4869-4878 [10.1029/2018gl077193] [Journal Article/Letter]

2018. "Improved Hydrological Simulation Using SMAP Data: Relative Impacts of Model Calibration and Data Assimilation.", Journal of Hydrometeorology, 19 (4): 727-741 [10.1175/jhm-d-17-0228.1] [Journal Article/Letter]

2018. "Estimating surface soil moisture from SMAP observations using a Neural Network technique.", Remote Sensing of Environment, 204 43-59 [10.1016/j.rse.2017.10.045] [Journal Article/Letter]

2017. "Global Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using Assimilation Diagnostics.", Journal of Hydrometeorology, 18 3217-3237 [10.1175/JHM-D-17-0130.1] [Journal Article/Letter]

2017. "Data Assimilation to Extract Soil Moisture Information from SMAP Observations.", Remote Sensing, 9 (11): 1179 [10.3390/rs9111179] [Journal Article/Letter]

2017. "Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements.", Journal of Hydrometeorology, 18 (10): 2621-2645 [10.1175/jhm-d-17-0063.1] [Journal Article/Letter]

2017. "Joint Sentinel-1 and SMAP data assimilation to improve soil moisture estimates.", Geophysical Research Letters, 44 (12): 6145-6153 [10.1002/2017gl073904] [Journal Article/Letter]

2017. "L band microwave remote sensing and land data assimilation improve the representation of prestorm soil moisture conditions for hydrologic forecasting.", Geophysical Research Letters, 44 (11): 5495-5503 [10.1002/2017gl073642] [Journal Article/Letter]

2017. "Assessment of MERRA-2 Land Surface Hydrology Estimates.", Journal of Climate, 30 (8): 2937-2960 [10.1175/jcli-d-16-0720.1] [Journal Article/Letter]

2017. "Land Surface Precipitation in MERRA-2.", Journal of Climate, 30 (5): 1643-1664 [10.1175/jcli-d-16-0570.1] [Journal Article/Letter]

2015. "Converting Between SMOS and SMAP Level-1 Brightness Temperature Observations Over Nonfrozen Land.", IEEE Geosci. Remote Sens. Lett, 12 1-5 [10.1109/LGRS.2015.2437612] [Journal Article/Letter]

2014. "An updated treatment of soil texture and associated hydraulic properties in a global land modeling system.", J. Adv. Model. Earth Sys, 6 957-979 [10.1002/2014MS000330] [Journal Article/Letter]

2012. "Assimilation of passive and active microwave soil moisture retrievals.", Geophysical Research Letters, 39 (4): L04401 [10.1029/2011GL050655] [Journal Article/Letter]

2011. "Effect of Phase Pattern of Antennas Onboard Flying Spin Satellites on Doppler Measurements .", IEEE Transactions on Aerospace and Electronic Systems, 47 (1): 405-419 [10.1109/TAES.2011.5705683] [Journal Article/Letter]

2011. "Assessment and Enhancement of MERRA Land Surface Hydrology Estimates.", Journal of Climate, 24 (24): 6322-6338 [10.1175/JCLI-D-10-05033.1] [Journal Article/Letter]

2011. "The Contributions of Precipitation and Soil Moisture Observations to the Skill of Soil Moisture Estimates in a Land Data Assimilation System.", J. Hydrometeorology, 12 (5): 750-765 [10.1175/JHM-D-10-05000.1] [Journal Article/Letter]

2010. "Assimilation of Satellite-Derived Skin Temperature Observations into Land Surface Models.", J. Hydrometeor, 11 (5): 1103-1122 [10.1175/2010JHM1262.1] [Journal Article/Letter]

Non-Refereed

2021. "Observation-Corrected Precipitation for the SMAP Level 4 Soil Moisture (Version 6) Product and the GEOS R21C Reanalysis.", Technical Report Series on Global Modeling and Data Assimilation, 59 (NASA/TM-2021-104606/): 1-28 [Report]

2016. "SMAP Data Assimilation at the GMAO.", Joint Center for Satellite Data Assimilation (JCSDA) Quarterly, 53 1-5 [10.7289/V50C4SS7] [Newsletter]

2015. "Land Boundary Conditions for the Goddard Earth Observing System Model Version 5 (GEOS-5) Climate Modeling System - Recent Updates and Data File Descriptions.", NASA/TM–2015-104606, 39 55 [Report]

2015. "Land Boundary Conditions for the Goddard Earth Observing System Model Version 5 (GEOS-5) Climate Modeling System - Recent Updates and Data File Descriptions.", NASA/TM–2015-104606, 39 55 [Report]

2015. "MERRA-2: Initial Evaluation of the Climate.", NASA Technical Report Series on Global Modeling and Data Assimilation, 43 (NASA/TM–2015–10) 139 pp. [Report]