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1、IDL遥感应用,SeaDAS SeaWiFS 数据分析系统,NASA/Goddard Space Flight Center,SeaDAS 软件处理 SeaWiFS数据,参变量: - 水体辐射亮度 - 气溶胶辐射度 - 有色物质浓度 - 叶绿素浓度 - 浅水 - 逆向水体辐射亮度 - 漫射光 - 云或者冰 等等.,SeaDAS 软件 用于 SeaWiFS数据,AVHRR-NOAA - Venezuela SST = 水体表面温度,AVHRR - NOAA Venezuela,7,ENVI is Ready for TERRA,And in 2001 AQUA!,MODIS 也同样服务于海洋学领
2、域,MODIS的36个不同波长通道中包含一些以前从未采集过的数据。这些数据包括大量新的海洋和大气数据信息，而这些信息以前并没有从全球的角度进行过分析处理，它将对所有的研究机构全面开放。 MODIS的海洋产品包括三大系列：海水颜色、海水表面温度和海洋初级产品。增益后的大气数据将对于海洋信号中的大气校正有着更好的结果。它们将用于调查研究海洋环境、海水循环、海洋生物和包括海水中碳循环的海洋化学。,Instantaneous Photosynthetically Available Radiation July 2-3, 1998 SeaWiFS radiances processed through
3、 MODIS algorithms (K. Carder) Data acknowledgement: SeaWiFS Project & Goddard DAAC, NASA/GSFC Processing acknowledgement: University of Miami/RSMAS,迈阿密大学的 Dr. Ed Kearns和 Dr. Bob Evans处理的影像,开发海洋学应用的私人公司. 通过GPS 定位,用户获得来自海洋的海岸虚拟影像. 也可以配合2D 和多媒体数据使用. 可应用于海上搜救.,Cetemar -西班牙,Cetemar - 西班牙,VADO 海洋学数据的可视化及分
4、析 海洋科学研究院 巴塞罗那西班牙,VADO 计划,能够提供例如温度、盐度等物理参数的数据库，该数据来自于船用CTD剖面仪。 未来计划: 融入生物地球化学的数据 兼容例如锚泊、浮标等其他设备的数据,国家环境卫星数据和信息服务中心 (NESDIS) 厄尔尼诺现象分析,Problem Needed up-to-date, accurate information for the National Hurricane Center and other organizations predicting global weather patterns Solution Data from a geost
5、ationary and polar orbiting satellite are collected and twice weekly analyzed with IDL programs and produce mapped images of SST (sea surface temp) anomalies Benefit Navigating safe courses for ships Fishing industry use the reports for where the sought-after fish will most likely be Farmers receive
6、 long-term predictions to decide on crop rotations, etc.,”IDL is the driving force behind our web-based graphics by using it, we quickly get accurate climatory averages at the desired grid points.“,Chris Duda, Physical Scientist,遥感和环境中心 (CRSEO),Problem CRSEOs group mission is collection and analysis
7、 of data from space sensors and instruments carried on ships for ocean experiments Solution Enlisted Terry Figel at the University of California to develop graphical user interfaces that make data easily accessible to scientist at CRSEO Figel recommends IDL because of the built-in mapping capabiliti
8、es and because the scientists needed both numerical and visual solutions to their problems Benefit Easy-to-use application that allows the scientists to navigate the large amount of data being collected,USING FORTRAN: “ there were far too many loops, so IDL was much faster.”,Terry Figel, University
9、of California,空间气象局 天气预报应用 (SIDAS),Problem The SIDAS application, Satellite Image Display and Analysis System, needed to be updated from a competitors software in which the application was originally written Competitors software was not being enhanced to keep up with the customers needs Solution AFW
10、A hired RSIs Professional Services Group (PSG) to reengineer their (SIDAS) application using IDL AFWA purchases site-wide IDL license Benefit SIDAS application is updated with IDLs advanced functionality AFWA personnel more productive through the site-wide licensing of IDL,AFWA gathers satellite ima
11、gery as well as ground- and air-based observations. They combine this information with numerical forecast modeling into forecast maps that they distribute to the field.,NOAA 与RSI公司签署了IDL license使用协议,Problem Some members of the research teams were not able to access the needed applications built in I
12、DL Solution NOAA purchases site-wide license Benefit Higher productivity Better communications Lower cost per user Licensing issues eliminated,IPS Radio 澳大利亚空间预报中心,Problem Need to monitor and report on Solar activity that could potentially cause damage to satellites, and interfere with radio and tel
13、ephone signals Solution Used IDL to read, monitor, analyze, and report data results 24/7 via IPS Radio web site Benefit Accurate forecasting Timely reporting Damage to satellites minimized Interference to communication signals minimized,HF Radio,Target Location,Hourly Updates,Solar Activity Level,地理
14、信息分析及环境模拟,支持地理数据,具有高分辨率地图数据集 内建19种地图投影 图像可以变换到任意地理坐标,地图投影分析,Orthographic map projection of North and South America as a color shaded relief image,三维地形模拟,Great Sand Dunes National Monument in southern Colorado,三维漫游飞行,卫星轨道分析,Zurich苏黎世大学GIS实验室 交互式地形数据可视化,Problem GIS tools often lack interactive visuali
15、zation capabilities Cross-platform deployment required Solution Built an IDL cross-platform, interactive visualization environment called DataScaping Features include spatial interpolation, detection of “outliers”, and false model assumptions of Arc/Info data, 3- and 4D representations, dynamic link
16、ing of windows, parallel viewing of multiple layers in different scales, and animation Benefit More accurate analysis without data conversion hassles,”IDL is a very good environment for easy and complex GUI building.,Eva-Marie Stephan,European Space Agency 欧空局 地中海地区监测海上泄油污染,Problem Oil spills threat
17、ening marine life Ships difficult to identify at night Lack of reports to assess the situation Required to use ERS radar data Solution Coast Guard uses IDL application built by ESRIN, an arm of the European Space Agency Application utilizes ERS radar data Benefit Coast Guard can monitor situation 24/7 Target recognition of ships easily identified Timely, accurate reports readily available,
