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| 1 | 水浸胁迫下植被高光谱遥感识别模型对比分析显示文摘随着全球气候变暖,我国洪涝灾害发生的频率及影响范围都不断增加。通过野外模拟试验,研究植被(玉米、甜菜)在水浸胁迫下的光谱变化特征,以构建高光谱遥感模型对水涝灾害范围进行监测。试验于2008年5月—8月在英国诺丁汉大学Sutton Bonington校区(52.8°N,1.2°W)进行,每周采集一次样本并在室内测量其光谱数据。试验结果表明植被光谱在550,800~1 300nm区域反射率都稍有降低,而在680nm区域反射率则略微增大。选取NDVI,SIPI,PRI,SRPI,GNDVI及R800*R550/R680共六个植被指数识别水浸胁迫下的植被,研究表明,指数SIPI与R800*R550/R680对水浸胁迫玉米比较敏感,而指数SIPI,PRI及R800*R550/R680对水浸胁迫甜菜比较敏感。为寻找最优的识别模型,计算对照与水浸胁迫植被指数之间的归一化均值距离并进行对比分析,发现植被指数R800*R550/R680的归一化均值距离在胁迫早期即大于其他指数的距离,说明该指数识别水浸胁迫植被的能力优于其他指数,且具有较强的敏感性与稳健性。因此,可以利用该指数快速地提取水浸面积,为救灾减灾决策提供信息支持。 | 蒋金豹 Michael D Steven 何汝艳 蔡庆空 | 2013 | 光谱学与光谱分析2013,33,11: | 11 |
| 2 | 利用大豆光谱特征判定地下封存CO_2泄漏显示文摘碳捕捉与储存(carbon capture and storage,CCS)技术可以减少CO2气体排放,从而减缓全球气候变暖。但把CO2液化后进行地质封存具有泄漏的风险,如何大面积、快速、高效地监测CO2泄漏点是一个技术难题。该文通过野外模拟试验,以大豆为试验对象,研究了地下储存的CO2轻微泄漏对地表植被及其遥感特征的影响。大豆在2008年6月4日播种,自7月4日开始CO2气体以1L/min的速度持续注入土壤中,每天测量土壤中CO2体积分数(土壤中CO2气体占土壤中总气体体积含量的百分比)、每周测量1次大豆叶片的SPAD值、光谱数据。试验结果表明,当土壤中CO2体积分数小于15%时,对照(CK)与CO2泄漏胁迫大豆SPAD值无显著性差异(P>0.1),当土壤中CO2体积分数大于等于15%时,CK与CO2泄漏胁迫大豆SPAD值具有极显著性差异(P<0.001),随着胁迫进行大豆会早熟、落叶,甚至枯死。利用连续统去除法对大豆的光谱数据进行处理,发现随着土壤中CO2体积分数的增大,在绿光区的光谱反射率逐渐增大,而其他波段则无明显变化规律。根据CO2泄漏胁迫下大豆的光谱变化特征,设计采用面积植被指数Area(510~590nm)(510~590nm光谱曲线所包围的面积)识别遭受CO2泄漏胁迫的大豆。结果表明,当土壤中CO2体积分数大于等于15%时,Area(510~590nm)指数可以较好地识别出遭受胁迫的大豆,且具有较高的可区分性及稳定性,但当土壤中CO2体积分数小于15%时,该指数在整个生育期内无法准确识别出遭受胁迫的大豆。该研究结果对未来地表生态评估、高光谱遥感监测CO2泄漏点具有重要意义与应用价值。 | 蒋金豹 Michael D Steven 何汝艳 蔡庆空 陈云浩 徐谨 | 2013 | 农业工程学报2013,29,12: | 7 |
| 3 | 地下储存CO_2泄漏胁迫下地表植被光谱变化特征及识别研究显示文摘随着全球气候变暖,减少温室气体排放成为全世界所关注的问题,而碳捕捉与储存(carbon captureand storage,CCS)技术可以减少温室气体CO2排放量,但储存在地下的CO2有泄漏的风险。本工作的目的是通过野外模拟实验,研究地表植被(甜菜)在CO2轻微泄漏胁迫下其叶片叶绿素含量、水分含量及光谱变化特征,结果表明CO2泄漏胁迫的甜菜叶绿素与叶片含水量明显降低,叶片反射率在550nm减小,而在680nm增大。设计了比值指数R550/R680进行识别CO2泄漏胁迫的甜菜,发现该指数能够在胁迫发生7天后识别出胁迫的甜菜,且该指数具有较强的敏感性、稳健性及识别能力。研究结果对于未来CCS项目选址、地表生态监测评估、遥感监测CO2泄漏点等都具有重要的现实意义与应用价值。 | 陈云浩 蒋金豹 Michael D Steven 宫阿都 李一凡 | 2012 | 光谱学与光谱分析2012,32,7: | 5 |
| 4 | Status review of mercury control options for coal-fired power plants显示文摘 | John H Pavlish Everett A Sondreal Michael D Mann Edwin S Olson Kevin C Galbreath Dennis L Laudal Steven A Benson | 2003 | Fuel Processing Technology2003,,2: | 4 |
| 5 | Operative Blood Loss Independently Predicts Recurrence and Survival After Resection of Hepatocellular Carcinoma显示文摘 | Steven C. Katz Jinru Shia Kui Hin Liau Mithat Gonen Leyo Ruo William R. Jarnagin Yuman Fong Michael I. D?Angelica Leslie H. Blumgart Ronald P. DeMatteo | 2009 | Annals of Surgery2009,,4: | 3 |
| 6 | Optimization of soil-adjusted vegetation indices显示文摘 | Geneviève Rondeaux Michael Steven Frédéric Baret | 1996 | Remote Sensing of Environment1996,,2: | 3 |
| 7 | Intercalibration of vegetation indices from different sensor systems显示文摘 | Michael D Steven Timothy J Malthus Frédéric Baret Hui Xu Mark J Chopping | 2003 | Remote Sensing of Environment2003,,4: | 2 |
| 8 | Optimization of soil-adjusted vegetation indices显示文摘 | Geneviève Rondeaux Michael Steven Frédéric Baret | 1996 | Remote Sensing of Environment1996,,2: | 2 |
| 9 | A genetic linkage map for cattle显示文摘 | Michael D Bishop Steven M | 1994 | Genetics1994,136,: | 2 |
| 10 | Pancreatic cancer显示文摘 | Theresa Pluth Yeo Ralph H Hruban Steven D Leach Robb E Wilentz Taylor A Sohn Scott E Kern Christine A Iacobuzio-Donahue Anirban Maitra Michael Goggins Marcia I Canto Ross A Abrams Daniel Laheru Elizabeth M Jaffee Manuel Hidalgo Charles J Yeo | 2002 | Current Problems in Cancer2002,,4: | 2 |
| 11 | Cardiac resynchronization therapy for the treatment of heart failure in patients with intraventricular conduction delay and malignant ventricular tachyarrhythmias显示文摘 | Steven L Higgins John D Hummel Imran K Niazi Michael C Giudici Seth J Worley Leslie A Saxon John P Boehmer Michael B Higginbotham Teresa De Marco Elyse Foster Patrick G Yong | 2003 | Journal of the American College of Cardiology2003,,8: | 2 |
| 12 | Steroid-dependent anosmia显示文摘 | Michael H Stevens M D | 2001 | Laryngoscope2001,111,: | 1 |
| 13 | A New Classification of Thoracolumbar Injuries: The Importance of Injury Morphology, the Integrity of the Posterior Ligamentous Complex, and Neurologic Status显示文摘 | Alexander R. Vaccaro Ronald A. Lehman R John Hurlbert Paul A. Anderson Mitchel Harris Rune Hedlund James Harrop Marcel Dvorak Kirkham Wood Michael G. Fehlings Charles Fisher Steven C. Zeiller D Greg Anderson Christopher M. Bono Gordon H. Stock Andrew K. B | 2005 | Spine2005,,20: | 1 |
| 14 | The Aerodynamics of free- flight maneuvers in drosophila 显示文摘 | Steven N F Rosalyn S Michael H D | 2003 | Science2003,300,: | 1 |
| 15 | Operative Blood Loss Independently Predicts Recurrence and Survival After Resection of Hepatocellular Carcinoma显示文摘 | Steven C. Katz Jinru Shia Kui Hin Liau Mithat Gonen Leyo Ruo William R. Jarnagin Yuman Fong Michael I. D?Angelica Leslie H. Blumgart Ronald P. DeMatteo | 2009 | Annals of Surgery2009,,4: | 1 |
| 16 | High resolution derivative spectra in remote sensing显示文摘 | Demetriades-Shah Tanvir H Steven Michael D Clark Jeremy A | 1990 | Remote Sensing of Environment1990,33,1: | 1 |
| 17 | High resolution derivative spectra inremote sensing 显示文摘 | TANVIRH DEMTRIADES-SHAH MICHAEL D STEVEN JEREMY A CLARK | 1990 | Remote Sensing of Environment1990,33,: | 1 |
| 18 | Mechanistic approach to phytoremediation of water显示文摘 | Paul R Adler Steven T Summerfelt Michael Glenn D | 2003 | Ecological Engineering2003,20,: | 1 |
| 19 | Solar spectral irradiance under clear skies around a major metropolitan area显示文摘 | Jacovides C P Steven Michael D | 2000 | J Appl Meteor2000,39,: | 1 |
| 20 | Sorption of pentachlorophenol to HDTMA-clay as a function of ionic matter 显示文摘 | Donald L S Steven K D 1994 | 1994 | Environ Sci Technol1994,28,: | 1 |