7篇
您的检索式：作者名="D. Pollard"
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| 1 | Gradient analysis of cryoconite ecosystems from two polar glaciers显示文摘 | D. R. Mueller W. H. Pollard | 2004 | Polar Biology2004，，2： | 1 |
| 2 | How physicians document outpatient visit notes in an electronic health record显示文摘 | Stephanie E. Pollard Pamela M. Neri Allison R. Wilcox Lynn A. Volk Deborah H. Williams Gordon D. Schiff Harley Z. Ramelson David W. Bates | 2013 | International Journal of Medical Informatics2013，，1： | 1 |
| 3 | Integrating complementarity into the 2D displacement discontinuity boundary element method to model faults and fractures with frictional contact properties显示文摘 | Elizabeth Ritz Ovunc Mutlu David D. Pollard | 2011 | Computers and Geosciences2011，，： | 1 |
| 4 | The human ileocaecal junction: anatomical evidence of a sphincter显示文摘 | Matthew F. Pollard Mark W. Thompson-Fawcett Mark D. Stringer | 2012 | Surgical and Radiologic Anatomy2012，，： | 1 |
| 5 | Computing discrete logarithms in an interval显示文摘 | Steven D. Galbraith John M. Pollard Raminder S. Ruprai | 2012 | Mathematics of Computation . 2012 (282)2012，，282： | 1 |
| 6 | 一个土壤-植被-大气双向耦合模式的发展及应用显示文摘发展了一个土壤-植被-大气双向耦合模式,并将其应用于东亚气候植被敏感区的变化研究.这一模式克服了传统模式由于单向耦合带来的模式不确定性和系统误差,能够更好地刻画气候与生态系统的双向反馈过程及其变化.本模式对东亚气候-植被在两倍CO_2条件下的变化研究表明,华北和西北地区内陆的气候将变得温暖干燥,江淮和长江中、下游以南地区将更为温暖湿润.植被对气候变化的响应在北方地区最为剧烈,其对气候的反馈也最为明显,表明该地区是气候-植被变化的敏感区域.温室效应造成的气候变化使华北地区自然植被生态系统退化,其对气候的同步反馈进一步加剧了温室气体的增暖效应.自北向南植被-气候变化的敏感性逐渐降低,反映在植被和气候的相互反馈和影响随纬度降低而逐渐减弱. | 陈明 D. Pollard | 2003 | 科学通报2003，48，z1： | 1 |
| 7 | Development and application of an interactive climateecosystem model system显示文摘A regional climate-ecosystem model system isdeveloped in this study. It overcomes the weakness in tradi-tional one-way coupling models and enables detailed descrip-tion of interactive process between climate and natural eco-system. It is applied to interaction study between monsoonclimate and ecosystem in East Asia, with emphasis on futureclimate and ecosystem change scenario forced by doubledCO2. The climate tends to be warmer and wetter under dou-bled CO2 in Jianghuai and the Yangzi River valley, but itbecomes warmer and drier in inland areas of northern andnorthwestern China. The largest changes and feedbacks be-tween vegetation and climate occur in northern China,Northern inland ecosystems experience considerable degra-dation and desertification, indicating a marked sensitivityand vulnerability to climatic change. The strongest vegeta-tion response to climate change occurs in northern Chinaand the weakest in southern China. Vegetation feedbacksintensify warming and reduce drying due to increased CO2during summer in northern China. Generally, vegeta-tion-climate interactions are much stronger in northernChina than in southern China. | D. Pollard | 2003 | Chinese Science Bulletin2003，48，S2： | 0 |
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