Abstract
Hydrothermal processes and the regimes of frozen soil formed in alpine regions with glaciers and lake area are complex and important for ecological environment but have not been studied in Tibet. Based on soil temperature and moisture data from October 2005 to September 2006 collected in the Nam Co lake basin, Tibetan Plateau (TP), those questions were discussed. The mean annual air temperature was −3.4°C with 8 months below 0°C. Air and soil temperature varied between −25.3~13.1°C and −10.3~8.8°C, respectively. Soil moisture variations in the active layer were small with the minimum value of 1.4%, but were influenced greatly by snowmelt, rainfall and evaporation, varying up to 53.8%. The active layer froze later, thawed earlier and was thinner, however, the lower altitude limit of permafrost is higher than that in most areas of TP. The effects of soil moisture (unfrozen water content) on soil temperature, which were estimated through proposed models, were more significant near ground surface than the other layers. The surface soil temperature decreased with snowcover, the effect of cold snow meltwater infiltration on soil thermal conditions was negligible, however, the effect of rainfall infiltration was evident causing thermal disruptions.
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References
Cao MS (1996) Microwave remote sensing on freezing/thawing dynamic of terrain soil in Tibetan Plateau of the High-Asia. J Glaciol Geocry 18(Special issue):329–335
Cheng GD (1990) Recent development of geocryological study in China. Acta Geogr Sin 45(2):220–224
Dai JX (1990) The climate of the Tibetan Plateau. Meteor Press, Beijing
Dickinson RE, Henderson-Sellers A (1988) A modeling tropical deforestation: a study of GCM land-surface parameterizations. Q J R Meteorol Soc 114:439–461
Ding YJ, Ye BS, Liu SY (2000) Geocryological and hydrological monitoring and research at large scale in Tibetan Plateau. Chin Sci Bull 45(2):208–214
Euskirchen ES, McGuire AD, Kicklighter DW, Zhuang Q, Clein JS, Dargaville RJ, Dye DG, Kimball JS, McDonald KC, Melillo JM, Romanovsky VE, Smith NV (2006) Importance of recent shifts in soil thermal dynamics on growing season length, productivity, and carbon sequestration in terrestrial high-latitude ecosystems. Glob Change Biol 12(4):731–750
French H (2003) Special issue: interactions of permafrost with climatic, hydrologic and ecosystem processes—preface. Permafrost Periglac Process 14(2):87–87
Gao R, Wei ZG, Dong WJ (2004) Analysis of the cause of the differentia in interannual variation between snow cover and seasonal frozen soil in the Tibetan Plateau. J Glaciol Geocry 26(2):153–159
Gao QZ, Li YE, Lin ED, Jiang CZ, Wan YF, Xiong W, Wang BS, Li WF (2005) Temporal and spatial distribution of grassland degradation in northern Tibet. Acta Geogr Sin 60(6):965–973
Hinkel KM (1997) Estimating seasonal values of thermal diffusivity in thawed and frozen soils using temperature time series. Cold Reg Sci Technol 26(1):1–15
Hinkel KM, Paetzold F, Nelson FE, Bockheim JG (2001) Patterns of soil temperature and moisture in the active layer and upper permafrost at Barrow, Alaska: 1993–1999. Glob Planet Change 29(3–4):293–309
Hinzman LD, Kane DL, Gieck RE, Everett KR (1991) Hydrologic and thermal-properties of the active layer in the Alaskan Arctic. Cold Reg Sci Technol 19(2):95–110
Jin HJ, Li SX, Wang SL, Zhao L (2000) Impact of climatic change on permafrost and cold regions environments in China. Acta Geogr Sin 55(2):161–173
Kane DL, Stein J (1983) Water movement into seasonally frozen soils. Water Resour Res 19(6):1547–1557
Kang SC, Ye QH, Jing ZF, Qin DH, Ren JW (2007) Glacier retreat on Mt. Nyainquentanglha during the last 30 years, vol. 1. Annual report of Nam Co Monitoring and Research Station for Multisphere Interactions. Tibetan Plateau Research, CAS, Beijing, pp 38–41
Kizito F, Dragila M, Sène M, Lufafa A, Diedhiou I, Dick RP, Selker JS, Dossa E, Khouma M, Badiane A, Ndiaye S (2006) Seasonal soil water variation and root patterns between two semi-arid shrubs co-existing with pearl millet in Senegal, West Africa. J Arid Environ 67(3):436–455
Li SX, Wu TH (2004) Permafrost temperature regime: study method and applied. J Glaciol Geocry 26(4):378–383
Li SX, Nan ZT, Zhao L (2002) Impact of soil freezing and thawing process on thermal exchange between atmosphere and ground surface. J Glaciol Geocry 24(5):507–511
Liu XD, Luo SW, Qian YP (1989) Numerical modeling of the effects of surface ground thermal condition on East Asia atmospheric circulation. Plateau Meteorol 8(3):205–215
Lovell CW (1957) Temperature effects on phase composition and strength of partially-frozen soil. Highway Res Board Bull 168:74–95
Mintz Y (1984) The global climate. Cambridge University Press, Cambridge
Nagarajan B, Yau MK, Schuepp PH (2004) The effects of small water bodies on the atmospheric heat and water budgets over the MacKenzie River Basin. Hydrol Process 18(5):913–938
Niu GY, Yang ZL (2006) Effects of frozen soil on snowmelt runoff and soil water storage at a continental scale. J Hydrometerol 7(5):937–952
Qin ZY, Xie WZ, Tong BL, Xie YQ (1987) The relationship between plateau plants and melting soil-layer in the frozen season in Tnmen, Prefecture Xizang. J Glaciol Geocry 9(2):150–156
Romanovsky VE, Osterkamp TE (2000) Effects of unfrozen water on heat and mass transport processes in the active layer and permafrost. Permafrost Periglac Process 11(3):219–239
Shukla J, Mintz Y (1982) Influence of land-surface environment on the earth climate. Science 215:1498–1501
Tian KM, Liu JS, Kang SC, Li CL (2006) A primary study of the environment of frozen ground in the Nam Co Basin, Tibet. Advan Earth Sci 21(12):1325–1332
Wang SL (1996) Discussion on frozen ground degradation and frozen ground environment in Tibetan Plateau. Fifth National Assembly papers on glaciers and permafrost (on the list). Gansu Culture Press, Lanzhou
Williams PJ, Smith MW (1989) The frozen earth. Cambridge University Press, New York
Woo MK, Heron R (1981) Occurrence of ice layers at the base of High Arctic snowpacks. Arct Alp Res 13:225–230
Wu ZH (2004) The geological record of climate and environment change in Holocene Epoch in Nam co and neighbor region of Tibet. J Glaciol Geocry 26(3):275–283
Wu QB, Shen YP, Shi B (2003) Relationship between frozen soil together with its water-heat process and ecological environment in the Tibetan Plateau. J Glaciol Geocry 23(3):250–255
Yamanaka T, Kaihotsu I, Oyunbaatar D, Ganbold T (2007) Summertime soil hydrological cycle and surface energy balance on the Mongolian steppe. J Arid Environ 69(1):65–79
Yamazaki Y, Kubota J, Ohata T, Vuglinsky V, Mizuyama T (2006) Seasonal changes in runoff characteristics on a permafrost watershed in the southern mountainous region of eastern Siberia. Hydrol Process 20(3):453–467
Yang ZN, Yang HZ, Liang XF (1993) Permafrost hydrological processes in Binggou basin of Qilian mountains. J Glaciol Geocry 15(2):235–241
Yang JP, Ding YJ, Chen RS (2006) Spatial and temporal of variations of alpine vegetation cover in the source regions of the Yangtze and Yellow Rivers of the Tibetan Plateau from 1982 to 2001. Environ Geol 50(3):313–322
You QL, Kang SC, Li CL, Li MS, Liu JS (2007) Features of Meteorological Parameters at Nam Co Station, Tibetan Plateau. Meteor Mon 33(3):54–60
Zhang T, Barry RG, Knowles K (1999) Statistics and characteristics of permafrost and ground ice distribution in the Northern Hemisphere. Polar Geogr 23(2):147–169
Zhu DG, Meng XG (2004) On the quaternary environmental evolution of the Nam Co area, Tibet. Geological Publishing House, Beijing
Zou XY, Li S, Zhang CL, Dong GR, Dong YX, Yan P (2002) Desertification and control plan in the Tibet Autonomous Region of China. J Arid Environ 51(2):183–198
Acknowledgments
This research is supported by the “National Basic Research Program of China” (No. 2005CB422003), the National Natural Science Foundation of China (40571037) and “the Talent program” of the Chinese Academy of Sciences as well. The authors would like to thank their colleagues and the workers in Nam Co Monitoring and Research Station for Multispheric Interactions. The authors would like to thank anonymous reviewers for their comments.
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Tian, K., Liu, J., Kang, S. et al. Hydrothermal pattern of frozen soil in Nam Co lake basin, the Tibetan Plateau. Environ Geol 57, 1775–1784 (2009). https://doi.org/10.1007/s00254-008-1462-2
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DOI: https://doi.org/10.1007/s00254-008-1462-2