2. Li R, Zhao L, Ding Y J, et al. 2012. Temporal and spatial variations of the active layer along the Qinghai-Tibet Highway in a permafrost region. Chin Sci Bull, 57(35): 4609-4616. doi: 10.1007/s11434-012-5323-8

3. Li R, Zhao L, Ding Y J, et al. 2010. Monthly ratios of PAR to global solar radiation measured at northern Tibetan Plateau, China. Sol. Energy, 84(6):964-973. doi:10.1016/j.solener.2010.03.005

4. Li R, Zhao L, Wu TH, et al. 2012. Temporal and spatial variations of global solar radiation over the Qinghai–Tibetan Plateau during the past 40 years. Theor Appl Climatol, DOI 10.1007/s00704-012-0809-5

5. Li R, Zhao L, Ding Y J, et al. 2010. A study on soil thermodynamic characteristics of avtive layer in northern Tibetan Plateau. Chinese Journal of Geophysics, 53(5):1060-1072

6. Li R, Zhao L, Ding Y J. 2008. The effect of the Global Radiation Budget on Seasonal Frozen Depth in the Tibetan Plateau. NiNth InterNatioNal CoNfereNCe oN Permafrost, P1061-1065.

7. Wu TH, Zhao L, Li R, et al. 2013. Recent Ground Surface Warming and Its Effects on Permafrost on the Central Qinghai-Tibet Plateau. Int. J. Climatol.，33: 920-930. DOI: 10.1002/joc.3479

8. Li R, Zhao L, Wu TH, et al. 2013. A study on thermodynamic characteristics at different underlying surface in northern Tibetan Plateau. Acta Energiae Solaris Sinica, 34(6):1076-1084

9. Li R, Zhao L, Wu TH, et al. 2013. Soil thermal regime of active layer in Wudaoliang region of the Yangzi River source. Arid Land Geography, 36(2):277-284

10. Li R, Zhao L, Ding Y J, et al. 2011. Impact of surface energy variation on thawing processes within active layer of permafrost. Journal of Glaciology and Geocryology, 33(6): 1235-1242 (in Chinese with English abstract)

11. Li R, Zhao L, Ding Y J, et al. 2011. Variations of surface effective radiation and its effect on superficial ground temperatures on Tibetan Plateau. Journal of Glaciology and Geocryology, 33(5): 1022-1032 (in Chinese with English abstract)

12. Li R, Zhao L, Ding Y J, Xiao Y. 2011. A Study of the Effect of Global Radiation and other factors on Seasonal Maximum Frozen Depth in the Tibetan Plateau. 978-1-4244-9689-1/11/$26.00 ©2011 IEEE.

13. Li R, Zhao L, Ding YJ, et al. 2012. Variation characteristics of global radiation over the Tibetan Plateau during the past 40 years. Journal of Glaciology and Geocryology, 34(6):1319-1327.

14. Li R, Zhao L, Ding Y J, et al. 2009. The Climatic Characteristics of the Maximum Seasonal Frozen Depth in the Tibetan Plateau. Journal of Glaciology and Geocryology, 31(6):1050-1056 (in Chinese with English abstract).

15. Li R, Zhao L, Ding Y J, et al. 2009. The condition of atmospheric quality over Wudaoliang. Journal of mountain Science, 27(4)411-417 (in Chinese with English abstract).

16. Li R, Zhao L, Ding Y J, et al. 2009. The effect of global radiation budget on seasonal frozen depth in the Tibetan Plateau. Journal of Glaciology and Geocryology, 31(3):422-430 (in Chinese with English abstract).

17. Li R, Zhao L, Ding Y J, et al. 2007. The features of each components in the surface heat balance equation over Wudaoliang Northern Tibetan Plateau. Journal of Mountain Science, 25(6): 664－670 (in Chinese with English abstract).

18. Li R, Ji G L, Yang W, Zhao L. 2007. The observation study on PAR coefficient over northern part of Tibetan Plateau, Acta Energiae Solaris Sinica, 28(3):241-247 (in Chinese with English abstract)

19. Li R, Ji G L, Yang W, Zhao L. 2007. Calculate the ultraviolet radiation over Wudaoliang with temperature and water vapor departures. ACT ENERGIA SOLARIS SINICA, 28(2):113-118 (in Chinese with English abstract)

20. Li R, Ji G L, Yang W, et al. 2006. Parameterization of effective radiation over the Qinghai-Tibet Plateau. Acta Energiae Solaris sinica, 27(3):274-278 (in Chinese with English abstract)

21. Li R, Yang W, Ji GL, Zhao L. 2005. The 40a variational characteristics of surface heating field over Wudaoliang the northern Tibetan Plateau. Acta Energiae Solaris Sinica, 26(6):868-873 (in Chinese with English abstract)

22. Li R, Ji GL, Li SX, et al. 2005. Soil heat condition discussion of Wudaoliang region. Acta Energiae Solaris Sinica, 26(3):299-304 (in Chinese with English abstract)

23. Li R, Ji GL, Yang W. 2005. Retrieve aerosol optical information from atmospheric broad-band transmittance on clear sky. Acta Energiae Solaris Sinica，26(2): 150-156 (in Chinese with English abstract)

24. Li R, Ji GL. 2004. The radiative effect of aerosol in Dunhuang area. Acta Energiae Solaris Sinica, 25(3): 320-324 (in Chinese with English abstract)

25. Li R, Ji GL, Yang W. 2005. Inter annual change of global solar radiation over Wudaoliang region. Plateau Meteorology, 24(2):173-177 (in Chinese with English abstract)

26. Li R, Ji GL. 2004. Aerosol features over northern Tibetan Plateau. Plateau Meteorology, 23(4):501-505 (in Chinese with English abstract)

27. Li R, Ji G L, Yang W. 2004. The statistical characters of influencing factors of diffuse irradiance on the clear sky days in Dunhuang region. Plateau Meteorology, 23(1):116-122 (in Chinese with English abstract)

28. Li R, Ji GL. 2003. The Seasonal Variation of Aerosol Optical Depth in Dunhuang Area. Plateau Meteorology, 22(1):84-87 (in Chinese with English abstract)

29. Xiao Y, Zhao L, Dai YJ, Li R, Pang QQ, Yao JM. 2013. Representing permafrost properties in CoLM for the Qinghai-Xizang (Tibetan) Plateau. Cold Regions Science and Technology, 87(1):68-77

30. Du E J, Zhao L, Li R. 2009. The Application of ground penetration radar to permafrost investigation in Qilian Mountains. Journal of Glaciology and Geocryology, 31(2):364-371 (in Chinese with English abstract)

31. Zhao L, Li R, Ding Y J. 2008. Simulation on the soil water-thermal characteristics of the active layer in Tanggula Range. Journal of Glaciology and Geocryology, 30(6):930-937(in Chinese with English abstract)

32. Wang Y X, Zhao L, Li R, et al. 2011. A study of factors which control variation of permafrost table. Journal of Glaciology and Geocryology, 33(5):1033-1039 (in Chinese with English abstract)

33. Xiao Y, Zhao L, Li R, et al. 2011. Applicability of CoLM Model(Single-point) on Permafrost Regions of the Qinghai-Xizang Plateau. Journal of Mountain Science, (5):633-640 (in Chinese with English abstract)

34. Zhao L, Li R, Ding YJ, et al. 2011. Soil Thermal regime in Qinghai-Tibet Plateau and its adjacent regions during 1977-2006. Advances in Climate Change research, 7(5): 307-316 (in Chinese with English abstract)

35. Shi W, Nan Z T, Li R, et al. 2010. Support vector machine based soil mapping of typical permafrost area in the Qinghai-Tibet Plateau. Acta Pedologica Sinica, 48(3): 461—469 (in Chinese with English abstract)

36. Sun L C, Zhao L, Li R, et al. 2010. Basic characteristics of the photosynthetical active radiation in Xidatan, Qinghai-Xizang Plateau. Journal of Glaciology and Geocryology, 32(6):1136-1143 (in Chinese with English abstract)

37. Sun L C, Zhao L, Li R, et al. 2010. The influence of snow cover on the surface albedo and ground temperature. Journal of Mountain Science, 28(3):266-273 (in Chinese with English abstract).

38. Xiao Y, Zhao L, Li R, et al. 2010. The characteristics of surface albedo in permafrost regions of northern Tibetan Plateau. Journal of Glaciology and Geocryology, 32(3):480-488 (in Chinese with English abstract)

39. Hu GJ, Zhao L, Li R, et al. 2013. The water-thermal characteristics of frozen soil under freeze-thaw based on Coup Model. SCIENTIA GEOGRAPHICA SINICA, 33(3):356-362

40. Liu Y, Zhao L, Li R. 2013. Simulation of the soil water-thermal features within the active layer in Tanggula Region, Tibetan Plateau, by Using SHAW model. Journal of Glaciology and Geocryology, 35(2):280-290