[1] U S National Research Council. GOALS (Global Ocean-Atmosphere-Land System for) Predicting Seasonal-to-International Climate[M]. Washington D C: National Academy Press, 1994. 103.
[2] Chahine T M. The hydrological cycle and its influence on climate[J]. Nature, 1992,359: 373-380.
[3]Fast J D, McCorcle M D. The effect of heterogeneous soil moisture on a summer baroclinic circulation in the central United States[J]. Mon  Weather Rev, 1991,119(6): 2 140-2 167.
[4] Chang J -T, Wetzel R J. Effects of spatial variations of soil moisture and vegetation on the evolution of a prestorm environment：A numerical case study[J]. Mon Wea Rev, 1991, 119: 1 368-1 390.
[5] Mather J R,  Feddema J.Hydrologic Consequence of Increases in Trace Gases and Co₂ in the Atmosphere, in Effects of Changes in Stratospheric Ozone and Global Climate[R].  U S Environmental Protection Agency, 1988, 3: 251-271.
[6] Darer L D,Gardner W H, walford R Gardner. Soil physics[M]. Translated by Zhou Chuanhui.Beijing: Agriculture press, 1983.[贝弗尔 L D,加德纳W H,加德纳W R,等著.土壤物理学[M].周传槐译.北京：农业出版社,1983.]
[7] Ma Zhuguo, Fu Congbin.Drought and its varation trend in North China[A].In: The Symposia of Influence of Climate Change on Water Resource in China[C].1991,37-44.[马柱国,符淙斌.中国北方干旱化及其发展趋势[A]. 见：气候变化对中国淡水资源的影响文集[C]. 1991.37-44.]
[8] Dirmeyer P A, Dolman  A J, Nobuo Sato. The pilot phase of the Global Soil Wetness Project[J]. Bull of American Meteor Soci, 1999,80(5): 851-878.
[9] Sellers A. Soil Moisture: a critical focus for global change studies[J]. Global and Planetary Change,1996,13: 3~9.
[10]IGPO. Global Soil Wetness Project, Preliminary Report on the Pilot Phase[R]. IGPO publication series, 1998.
[11] Dirmeyer P A, Shukla J. Observational and modeling studies of the influence of soil moisture anomalies on the atmospheric circulation(review)
[A].  In: Shukla J,ed. Predictions of Interannual Climate Variations,NATO Series I [C]. Springer-Verlag, 1993.
[12] Avissar R, Verstrete M M. The representation of continental surface processes in atmospheric models[J]. Rev Geophys, 1990, 28: 35-52.
[13] Dozier J. Opportunities to improve hydrological data[J]. Rev Geophys, 1992, 30: 315-332.
[14]Dumenil L,  Bengtsson L. Observational and modeling studies of the land surface anomalies on atmospheric circulation(future directions)  [A]. In: Shukla J, ed. Predictions of Interannual Climate Variations, NATO Series I[C]. Springer-Verlag, 1993.
[15] Dirmeyer P A. Problems in initializing soil wetness[J].Bull Amer Meteor Soc, 1995, 76(11): 2 234-2 240.
[16]Saxton K E, Lenz A T. Antecellent retention indices to predict soil moisture[J]. Hydraulics  J Div Proc Am Soc Civil Engr,1967, HY4:223-241
[17] Lee T J, Pielke P A. Estimating the soil surface specific humidity[J]. J Appl Meteor,1992, 31: 480-484 .
[18]  Karl T R. Some spatial characteristics of drought duration in the United States[J]. J Climate, and Appl Meteor,1983, 22:1 356-1 366.
[19]  Smith C B,  Lakhtakia M N,  Capehart W J, et al. Initialization of soil-water content in regional-scal atmospheric prediction models[J]. Bull of the Amer Meteo Soci, 1994, 75(4): 585-593.
[20]  Capehart William J. Issues regarding the remote sensing and modeling of soil moisture for meteorological applications [Dissertation D]. Technical Report Series, No.96-005, Earth System Science Center College of Earth &  Mineral Sciences, 1996.
[21]  Chen Zhiqiang, et al.Spatial averaging of unsaturated flow equations under infiltration conditions over areally heterogeneous fields I. Development of models[J]. Wat Resourses Res, 1994, 30(2): 523-533.
[22] Bart J J M, Van dan Hurt, et al. A new methodology for assimilation of initial soil moisture fields in weather prediction models using meteosat and NOAA data[J]. J Appl Metero,1997, 36: 1 271-1 283.
[23]  Giorgi F, Bates G T. The climatological skill of a regional model over complex terrain[J]. Mon Wea Rev, 1989, 117: 2 325-2 347.
[24] Yang R, Fennessy M J, Shukla J. The influence of initial soil wetness on mdeium-range surface weather forecasts[J].Mon Wea Rev, 1994, 122: 471-485.
[25]  Robock A,  Schlossser C A, et al, Evaluation of AMIP soil moisture simulations [J].Global and Planet Change, 1998,19:181-208.