[1] Onstad C A and Foster G R. Erosion modeling on a watershed[J].Transactions of the American Society of Agricultural Engineers.1975,18:288-292. [2] 王晓燕,高焕文,李洪文,等.保护性耕作对农田地表径流与土壤水蚀影响的试验研究[J].农业工程学报,2000,16(3):68~69. [3] 卜兆宏,孙金庄,周伏建,等.水土流失定量遥感方法及其应用研究[J].土壤学报,1997,34(3): 235~245. [4] Sharpley A N.The enrichment of soil phosphorous in runoff sediments[J]. J. Environ. Qual., 1980, 9(3): 521-526. [5] Cihacek L J. Effects of erosion on soil chemical properties in the north central region of the United States[J]. J. Soil Water Cons., 1994,49(3): 259-265. [6] 万勇善.南方花岗岩侵蚀区土壤退化研究[J].水土保持学报,1991,5(3):80~87. [7] 孙波.红壤退化中的土壤质量评价指标及评价方法[J].地理科学进展,1999,18(2):118~128. [8] 张兴昌,邵明安.水蚀条件下不同土壤N素和有机质流失规律研究[J].应用生态学报,2000, 11(2):231~234. [9] 杨文治,邵明安,彭新德,等.黄土高原环境的旱化与黄土中水分关系[J].中国科学(D),1998, 24(4):357~365. [10] 李松.土壤酶和养分流失的关系研究[J].水土保持学报,1990,4(2):70~74. [11] Tamura T. Selective sorptive reactions of cesium with mineral soils[J].Nuclear Safety,1964,5: 263-268. [12] McHenry J R and Ritchie J C. Physical and chemical parameters affecting transport of Cs-137 in arid watersheds[J].Water Resour. Res. 1977,13: 923-927. [13] Jerry C Ritchie and McHenry J Roger. Application of radioactive fallout cesium-137 for measuring soil erosion and sediment accumulation rates and patterns: A review[J]. J. Environ. Qual.,1990,19(2): 215-233. [14] Zhang X B, Higgitt D L, Walling D E. A preliminary assessment of potential for using cesium-137 to estimate rates of soil erosion in the Loess Plateau of China[J].Hydrol. Sci J., 1990,35:243-252. [15] Yang H, Qing C, Du M Y, et al. Quantitative model of soil erosion rates using 137Cs for uncultivated soil[J].Soil Sci. 1998,63(3): 248-257. [16] 张志涌,刘瑞桢,杨祖樱.掌握和精通MATLAB[M].北京:北京航空航天大学出版社,1997.81. [17] 杨明义,田均良,刘普灵,等. 137Cs示踪研究小流域土壤侵蚀与沉积空间分布特征[J].自然科学进展,2001,11(1):71~75. [18] 中国土壤学会农业化学专业委员会.土壤农业化学常规分析方法[M].北京:科学出版社,1983.44,55,68. [19] 李天杰,郑应顺,王云.土壤地理学(第2版)[M].北京:高等教育出版社,1983.21. |