Ph.D. Dissertation

Zhao, L., 2013, Improving soil moisture estimate based on microwave data assimilation and a Tibetan Plateau soil moisture and temperature monitoring network, University of Chinese Academy of Sciences.
  
Paper publications
  1. Zhao, L., Z.-L. Yang, and T. J. Hoar, 2016. Global Soil Moisture Estimation by Assimilating AMSR-E Brightness Temperatures in a Coupled CLM4-RTM-DART System. Journal of Hydrometeorology, 17: 2431-2454, DOI: 10.1175/JHM-D-15-0218.1.
  2. Zhao, L.K. Yang, J. Qin, Y. Y. Chen, W. J. Tang, H. Lu, and Z. L. Yang, 2014. The scale-dependence of SMOS soil moisture accuracy and its improvement through land data assimilation in the central Tibetan Plateau. Remote Sensing of Environment, 152: 345-355, DOI: 10.1016/j.rse.2014.07.005.
  3. Zhao, L., K. Yang, J. Qin, Y. Y. Chen, W. J. Tang, C. Montzka, H. Wu, C. G. Lin, M. L. Han, H. Vereecken., 2013. Spatiotemporal analysis of soil moisture observations within a Tibetan mesoscale area and its implication to regional soil moisture measurements. J. Hydrol., 482: 92-104.
  4. Zhao, L., K. Yang, J. Qin, and Y. Chen, 2013. Optimal Exploitation of AMSR-E Signals for Improving Soil Moisture Estimation Through Land Data Assimilation, Geoscience and Remote Sensing, IEEE Transactions on, 51: 399-410.
  5. Kwon, Y., Z.-L. Yang, L. Zhao, T. J. Hoar, Am.M. Toure, Estimating Snow Water in North America Using CLM4, DART, and Snow Radiance Data Assimilation. Journal of Hydrometeorology. accepted. 
  6. Yang, K., Z. La, Y.Y. Chen, L. Zhao, J. Qin, H. Lu, W.J. Tang, M.L. Han, B.H. Ding, and N. Fang, 2016. Land surface model calibration through microwave data assimilation for improving soil moisture simulations, Journal of Hydrology, 533: 266-276. 
  7. Lu, H., K. Yang, T. Koike, L. Zhao, and J. Qin, 2015. An Improvement of the Radiative Transfer Model Component of a Land Data Assimilation System and its Validation on Different Land Characteristics, Remote Sensing, 7: 6358-6379.
  8. Qin, J., L. Zhao, Y.Y. Chen, K. Yang, Y.P. Yang, Z.Q. Chen, and H. Lu, 2015. Inter-comparison of spatial upscaling methods for evaluation of satellite-based soil moisture, Journal of Hydrology, 523: 170-178. 
  9. Han, M.L., K. Yang, J. Qin, R. Jin, Y.M. Ma, J. Wen, Y.Y. Chen, L. Zhao, Lazhu, and W.J. Tang, 2015. An algorithm based on the standard deviation of passive microwave brightness temperature for monitoring soil surface freeze/thaw state on the Tibetan Plateau, Geoscience and Remote Sensing, IEEE Transactions on, 53(5): 2775-2783. 
  10. Xu, C., Y.M. Ma, A. Panday, Z.Y. Cong, K. Yang, Z.K. Zhu, J.M. Wang, P.M. Amatya, and L. Zhao, 2014. Similarities and differences of aerosol optical properties between southern and northern sides of the Himalayas. Atmos. Chem. Phys., 14: 3133-3149. 
  11. Xue, B. L., L. Wang, K. Yang, L. D. Tian, J. Qin, Y. Y. Chen, L. Zhao, Y. M. Ma, T. Koike, Z. Y. Hu, and X. P. Li., 2013. Modeling the land surface water and energy cycles of a mesoscale watershed in the central Tibetan Plateau during summer with a distributed hydrological model, Journal of Geophysical Research - Atmosphere, 118: 8857-8868, DOI: 10.1002/jgrd.50696.
  12. Qin, J., K. Yang, N. Lv, Y. Y. Chen, L. Zhao, M. L. Han., 2013. Spatial upscaling of in-situ soil moisture measurements based on MODIS-derived apparent thermal inertia. Remote Sens. Environ, 138:1-9. 
  13. Yang., K., J. Qin, L. Zhao, Y. Y. Chen, W. J. Tang, M. L. Han, Lazhu., Z. Q. Chen, N. Lv, B. H. Ding, H. Wu, and C. G. Lin,. 2013. A Multi-Scale Soil Moisture and Freeze-Thaw Monitoring Network on the Third Pole for Multi-sphere Interaction Studies, Bull. Am. Meteorol. Soc., 94(12): 1907–1916, DOI: 10.1175/BAMS-D-12-00203.1.
  14. Chen, Y., K. Yang, J. Qin, L. Zhao, W. Tang, and M. Han.,2013. Evaluation of AMSR-E retrievals and GLDAS simulations against observations of a soil moisture network on the central Tibetan plateau, Journal of Geophysical Research - Atmospheres, 118: 4466-4475, DOI: 10.1002/jgrd.50301.
  15. Chen, Y. Y., K. Yang, W. J. Tang, J. Qin and L. Zhao, 2012. Parameterizing soil organic carbon's impacts on soil porosity and thermal parameters for Eastern Tibet grasslands, Sci China Earth Sci, 55: 1001–1011, DOI: 10.1007/s11430-012-4433-0.
  16. Yang, W., X. F., Guo, T-D, Yao, K. Yang, L. Zhao, S. Li, M. L. Zhu, 2011. Summertime surface energy budget and ablation modeling in the ablation zone of a maritime Tibetan glacier, JGR-Atmosphere, 116, D14116, doi:10.1029/2010JD015183.
  17. Guo, X. F., K. Yang, L. Zhao, W. Yang, S. H. Li, M. L. Zhu, T. D. Yao, Y. Y. Chen, 2011. Critical Evaluations of Scalar Roughness Length Parameterizations over a Melting Valley Glacier, Boundary-Layer Meteorol., 139: 307–332.
Conference presentations
  1. Zhao, L. and Z.L. Yang, Development and Evaluation of a Global-scale Multi-Layer Soil Moisture Retrieval System (CLM4–DART), Texas Weather Conference, February 2016, Austin, TX, USA.
  2. Kwon, Y., L. Zhao, T. Hoar, Z.L. Yang, and A. Toure, Multi-RTM-based Radiance Assimilation to Improve Snow Estimates, AGU Fall Meeting, December 2015, San Francisco, USA.
  3. Yang, Z.L., Y.F. Zhang, L. Zhao, and co-authors, Development and Evaluation of an Extensible Global Land Data Assimilation System Using NCAR's Community Land Model (CLM) and Data Assimilation Research Testbed, the 14th CAS-TWAS-WMO FORUM on Coupled Data Assimilation Symposium, July 2015, Beijing, China. 
  4. Zhao, L., Z. L. Yang, and T. Hoar, CLM4-DART based global soil moisture estimation by assimilating AMSR-E microwave signals, CAHMDA-VI, September 2014, Austin, TX, USA. 
  5. Zhao, L., K. Yang, J. Qin, and Z.L. Yang, The scale-dependence of SMOS soil moisture accuracy and its improvement through land data assimilation in the central Tibetan Plateau, CAHMDA-VI, September 2014, Austin, TX, USA. 
  6. Yang, Z.L., Y.F. Zhang, L. Zhao, and co-authors, A New Multi-Sensor Land Data Assimilation System, GEWEX 7th International Scientific Conference on the Global Water and Energy Cycle, July 2014, The Hague, The Netherlands. 
  7. Yang, Z.L., Y.F. Zhang, L. Zhao, and co-authors, Towards Comprehensive Land Data Assimilation Using NCAR's Community Land Model (CLM) and Data Assimilation Research Testbed (DART), AGU Fall Meeting, December 2013, San Francisco, USA. 
  8. Zhao, L., K. Yang, J. Qin, Y.Y. Chen, W.J. Tang, and M.L. Han, A Multi-Scale Soil Moisture and Freeze-Thaw Monitoring Network on the Third Pole, the 28th Himalayan Karakorum Tibet Workshop and the 6th International Symposium on Tibetan Plateau Joint Conference, August 2013, Tübingen, Germany.
  9. Chen Y.Y., K. Yang, J. Qin, and L. Zhao, Evaluation of AMSR-E Soil Moisture products and model simulations against observations from a Tibetan SMTMS network, EGU General Assembly, April 2013, Vienna, Austria.
  10. Zhao, L., K. Yang, J. Qin, and Y. Chen, Optimal Exploitation of AMSR-E Signals for Improving Soil Moisture Estimation Through Land Data Assimilation, CAHMDA-V, July 2012, ITC, University of Twente, the Netherlands. 
  11. Zhao, L., K. Yang, J. Qin, Y. Y. Chen, and C. Montzka, Spatiotemporal analysis of soil moisture at a Tibetan Plateau soil moisture/temperature monitoring network, HS6.2 Remote sensing of soil moisture, EGU General Assembly, April 2012, Vienna, Austria.