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| 1 | 大型水库对长江上游主要干支流河流输沙量的影响显示文摘本文阐明了大型水库的拦沙和滞洪削减洪峰,降低挟沙能力的减沙机制,给出了大型水库下游河流输沙量时空变化的坝下河段无泥沙补给、少量泥沙补给和有大量泥沙补给三种模式。在此基础上,通过水库修建前后下游河流水沙变化的对比分析,认为大型电站水库的修建是20世纪80年代以来乌江、90年代以来金沙江、嘉陵江输沙减少和70年代以来岷江输沙波动的重要驱动力。宜昌站1992-2002年期间的输沙量比1956-1992年期间减少28.2%,主要归功于嘉陵江来沙减少和1998年以后的金沙江来沙减少;2003-2007年期间的输沙量又比1992-2002年期间减少82.2%,主要归功于三峡水库的蓄水拦沙。 | 张信宝 文安邦 D E Walling 吕喜玺 | 2011 | 泥沙研究2011,36,4: | 25 |
| 2 | Changes in the sediment load of the Lancang-Mekong River over the period 1965-2003显示文摘Changes in the sediment load of a river can have important impacts on river channel evolution,nutrient fluxes,aquatic ecology and delta erosion and sedimentation,and the possibility of changes in the sediment load of the Lancang-Mekong River has attracted increasing concern in recent years.Existing studies present conflicting findings regarding the nature and magnitude of recent changes in the sediment load of the Lancang-Meking River and the authors have attempted to assemble the most reliable data on annual sediment loads for the period 1965-2003,to assess recent trends in the sediment load of the river.The changes in annual sediment load at 7 stations on the river are analyzed.Important sediment contributing areas are found in the reaches between Gajiu and Yunjinghong,Chiang Saen and Luang Prabang and downstream of Nong Khai.The sediment load increased at Gajiu,Yunjinghong and Chiang Saen over the period 1985-1992 because of serious soil erosion caused by the expansion of cultivation,the replacement of natural forest by plantations and land disturbance associated with hydropower dam construction.A marked reduction in sediment load occurred at Gajiu after the impoundment of the Manwan Hydropower dam on the Lancang River,but this reduction was not evident downstream at Yunjinghong and the stations further downstream.Significant increases in sediment load appeared at Mukdahan and Khong Chiam.These contrasting patterns of change reflect the influence of sediment contributions from the intervening catchment areas and channel systems as well as storage and remobilization of sediment from the channel system and the impact of hydraulic works such as irrigation systems.The long term mean annual sediment load of the Mekong River at its mouth is estimated to be ca.145×106ta-1,which is lower than previously reported values and it seems likely that this will be reduced in the foreseeable future. | LIU Cheng HE Yun WALLING Des E WANG JianJun | 2013 | Science China(Technological Sciences)2013,56,4: | 6 |
| 3 | EGFR expression predicts BRCA1 status in patients with breast eancer显示文摘 | van Diest PJ van der Groep P van der Wall E | 2006 | Clin Cancer Res2006,12,2: | 1 |
| 4 | Anticancer activity of a new compound from Camptotheca acuminata显示文摘 | WALL M E WANI M C COOK C E | 1966 | J Am Chem Soc1966,88,: | 1 |
| 5 | Congenital ureteral valve: its role as aprimary obstructive lesion: classification of the literatureand report of an anthentic case 显示文摘 | Wachter E | 1952 | J Urol1952,68,68: | 1 |
| 6 | Rates and patterns of tillage and water erosion on terraces and contour strips: evidence from caesium-137 meas- urements 显示文摘 | Quine T A Walling D E Chakela Q K | 1999 | Catena1999,36,: | 1 |
| 7 | Estimating the discharge of contaminants to coastal waters by rivers:Some cautionary comments显示文摘 | WALLING D E | 1985 | Marine Pollution Bulletin1985,16,: | 1 |
| 8 | Immediate versus delayed fluid resuscitation for hypotensive patients with penetrating torso injuries 显示文摘 | Biekell W H Wall M J Jr Pepe P E | 1994 | N Engl J Med1994,331,17: | 1 |
| 9 | Does caregiver burden medi- ate the effects of behavioral disturbances on nursing home admissions 显示文摘 | Gaugler J E Wall M M Kane R L | 2011 | Am J Geriatr Psychiatry2011,19,6: | 1 |
| 10 | Markers of stemness in equine mesenchymal stem cells:a plea for uniformity显示文摘 | De Schauwer C Meyer E Van de Walle GR | | 0,,08: | 1 |
| 11 | Optimization model for planning radial distribution networks显示文摘 | Wall D L Tompson G L Northcote-Green J E D | 1979 | IEEE Trans on Power Apparatus and Systems1979,98,3: | 1 |
| 12 | Use of 7Be and 137Cs measurement to document short and medium-term rates of water-induced soil erosion on agricultural land显示文摘 | Walling D E He Q Blake W H | 1999 | Water Resources Research1999,35,12: | 1 |
| 13 | Neumgenic extravasation and substance P levels are low in muscle as compared to skin in the rat hindblimb显示文摘 | McMahon SB Sykova E Wall PD | 1984 | Neurosci Lett1984,52,3: | 1 |
| 14 | The role of hypoxia inducible factor 1 (HIF-1)in hypoxia induced apoptosis显示文摘 | Greijer AE Yon der Wall E | 2004 | J Clin Pathol2004,57,: | 1 |
| 15 | Using of 137Cs measurement to investigate soil erosion on arable fields in the UK:potential applications and limitations显示文摘 | WALLING D E QUINE T A | 1991 | J Soil Sci1991,42,1: | 1 |
| 16 | Storage of sediment-associated nutrients and contaminants in river channel and floodplain systems显示文摘 | Walling D E Owens P N Carter J Leeks G J L Lewis S Meharg A A and Wright J | 2003 | Applied Geochemistry2003,18,: | 1 |
| 17 | A Fast Sequential Method for Polygonal Approximation of Digitized Curves显示文摘 | K Wall P E Danielsson | 1984 | Computers Vision Graphics Ima-ge Process1984,28,: | 1 |
| 18 | The isolation and structure of taxol,a novel antileukemic and antitumor agent from taxus brevifolia显示文摘 | Wani M C Tayor H L Wall M E | 1971 | Journal of American Chemistry1971,27,7: | 1 |
| 19 | Recent trends in the suspended sediment loads of the world rivers显示文摘 | Walling D E Fang D | 2003 | Global and Planetary Change2003,39,: | 1 |
| 20 | Obesity-associated improvements in metabolic profile through expansion of adipose tissue显示文摘 | Kim J Y van de Wall E Laplante M | 2007 | J Clin Invest2007,117,9: | 1 |