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陆地卫星tm磁带资料在黄河口海区悬沙分布定量研究中的应用

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海洋科学集刊 1995年第1期 111-118,311页

作者：黄海军李成治郭建军中国科学院海洋研究所石油勘探院遥感地质研究所

遥感技术是目前获得河口地区及近海水域泥沙分布与扩散的有效方法,多采用美国Landsat系列的多光谱扫描仪(MSS)和专题制图仪(tm)、NOAA气象卫星、法国SPOT卫星资料和前苏联的联盟号以及我国的国土卫星资料等,即将发射的美国海洋卫星将为... 详细信息

遥感技术是目前获得河口地区及近海水域泥沙分布与扩散的有效方法,多采用美国Landsat系列的多光谱扫描仪(MSS)和专题制图仪(tm)、NOAA气象卫星、法国SPOT卫星资料和前苏联的联盟号以及我国的国土卫星资料等,即将发射的美国海洋卫星将为本项研究提供新的途径。资料的形式有磁带(CCT)和卫片两种,目前世界上以陆地卫星资料应用最广,这主要是由于它有资料商业化、易于获得、资料系列长、重复周期短、可监测动态变化及影像分辨率适中(MSS像元空间分辨率为80m,tm为30m)等优点。

关键词：悬沙分布陆地卫星tm 黄河口灰度值水体磁带海区悬沙含量波段程辐射

陆地卫星tm6波段范围内地表比辐射率的估计

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国土资源遥感 2004年第3期16卷 28-32,36,41,i001页

作者：覃志豪李文娟徐斌陈仲新刘佳农业部资源遥感与数字农业重点开放实验室瑞典雨美大学空间模型中心

地表比辐射率是用热红外波段遥感数据反演地表温度的关键参数。目前,应用陆地卫星tm6波段数据反演地表温度共有3种算法,即大气校正法、单窗算法和单通道算法。这3种算法都需要tm6波段范围内的地表比辐射率作为地表温度反演参数。本文首... 详细信息

地表比辐射率是用热红外波段遥感数据反演地表温度的关键参数。目前,应用陆地卫星tm6波段数据反演地表温度共有3种算法,即大气校正法、单窗算法和单通道算法。这3种算法都需要tm6波段范围内的地表比辐射率作为地表温度反演参数。本文首先简介这3种反演算法;然后着重探讨tm6波段地表比辐射率估计方法;最后,利用这一方法对山东省陵县附近农田地区进行地表比辐射率估计和地表温度反演。结果表明,该方法能获得较合理的地表温度反演结果。

关键词：陆地卫星tm 地表温度地表比辐射率单窗算法单通道算法

利用影像判读与群落监测分析长白山针叶林动态(英文)

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应用生态学报 2004年第7期15卷 1113-1120页

作者：刘琪璟李轩然胡理乐中国科学院地理科学与资源研究所北京100101

基于不同空间尺度即永久标准地的群落学调查与卫星遥感监测相结合研究了长白山亚高山针叶林的结构与动态 .标准地两次调查的间隔为 11年 .结果表明 ,每 10年的死亡率为 7%～ 9% ,进界比率为18%～ 2 0 % .鱼鳞云杉、臭冷杉及岳桦可以在... 详细信息

基于不同空间尺度即永久标准地的群落学调查与卫星遥感监测相结合研究了长白山亚高山针叶林的结构与动态 .标准地两次调查的间隔为 11年 .结果表明 ,每 10年的死亡率为 7%～ 9% ,进界比率为18%～ 2 0 % .鱼鳞云杉、臭冷杉及岳桦可以在林冠下顺利完成更新 ,而长白落叶松为先锋种 ,只能在林窗或裸地更新 .落叶松为云杉及冷杉提供良好的更新条件 ,从而在维持亚高山森林的稳定性上起着重要作用 .成熟林密度 (10 0 0株·hm-2 左右 )变化不大 .利用美国陆地卫星tm图像分析 1984～ 1997年植被变化表明 ,大规模的风倒等自然干扰很容易检测出来 .从景观尺度上 ,利用tm图像监测植被变化非常有效 .不同反射强度变化的象素数量统计结果表明 ,群落的进展演替与逆向演替同时存在 ,并处于相对平衡状态 .但由于图像分辨率 (30m× 30m)的关系 ,林窗很难同噪声区分开来 .长白山亚高山针叶林带因有大量的落叶松斑块而呈现出镶嵌结构 ,这种镶嵌结构被定义为亚高山植被的顶极状态 .在小尺度上 ,例如面积仅为几公顷的标准地 ,特别是混有落叶松等先锋树种的群落 ,种类组成随时间而变化 ,但是卫星图像分析结果证明 :整体上 ,亚高山植被处于稳定状态 .

关键词：针叶林变化检测森林动态陆地卫星tm 树木枯死

Integrating tm and Ancillary Geographical Data with Classification Trees for Land Cover Classification of Marsh Area

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Chinese Geographical Science 2009年第2期19卷 177-185页

作者： NA Xiaodong ZHANG Shuqing ZHANG Huaiqing LI Xiaofeng YU Huan LIU Chunyue Northeast Institute of Geograpky and Agroecology Chinese Academy of Sciences Ckangchun 130012 China Graduate University of the Chinese Academy of Sciences Beijing 100049 China Institute of Resources Information Chinese Academy of Forestry Beijing 100091 China

The main objective of this research is to determine the capacity of land cover classification combining spec- tral and textural features of Landsat tm imagery with ancillary geographical data in wetlands of the Sanjiang Plain, Heilongjiang Province, China. Semi-variograms and Z-test value were calculated to assess the separability of grey-level co-occurrence texture measures to maximize the difference between land cover types. The degree of spatial autocorrelation showed that window sizes of 3×3 pixels and 11×11 pixels were most appropriate for Landsat tm im- age texture calculations. The texture analysis showed that co-occurrence entropy, dissimilarity, and variance texture measures, derived from the Landsat tm spectrum bands and vegetation indices provided the most significant statistical differentiation between land cover types. Subsequently, a Classification and Regression Tree (CART) algorithm was applied to three different combinations of predictors: 1) tm imagery alone (tm-only); 2) tm imagery plus image texture (tm+TXT model); and 3) all predictors including tm imagery, image texture and additional ancillary GIS in- formation (tm+TXT+GIS model). Compared with traditional Maximum Likelihood Classification (MLC) supervised classification, three classification trees predictive models reduced the overall error rate significantly. Image texture measures and ancillary geographical variables depressed the speckle noise effectively and reduced classification error rate of marsh obviously. For classification trees model making use of all available predictors, omission error rate was 12.90% and commission error rate was 10.99% for marsh. The developed method is portable, relatively easy to im- plement and should be applicable in other settings and over larger extents.

关键词：土地覆盖分类 tm影像沼泽地区地理数据分类树土地覆盖类型陆地卫星tm Landsat

China's lakes at present:Number,area and spatial distribution

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Science China Earth Sciences 2011年第2期54卷 283-289页

作者： MA RongHua YANG GuiShan DUAN HongTao JIANG JiaHu WANG SuMin FENG XueZhi LI AiNong KONG FanXiang XUE Bin WU JingLu LI ShiJie State Key Laboratory of Lake Science and Environment Nanjing Institute of Geography and Limnology Chinese Academy of Sciences Nanjing 210008 China Department of Geographic Information Science Nanjing University Nanjing 210093 China Institute of Mountain Hazards and Environment Chinese Academy of Sciences Chengdu 610041 China

Based on 11004 satellite images from CBERS CCD and Landsat tm/Etm,changes in the spatial characteristics of all lakes in China were determined following pre-established interpretation *** dataset was supported by 6843 digital raster images(1:100000 and 1:50000),a countrywide digital vector dataset(1:250000),and historical *** data were corrected for seasonal variations using precipitation *** are presently 2693 natural lakes in China with an area greater than 1.0 km2,excluding *** lakes are distributed in 28 provinces,autonomous regions and municipalities and have a total area of 81414.6 km2,accounting for-0.9% of China's total land *** the past 30 years,the number of newly formed and newly discovered lakes with an area greater than 1.0 km2 is 60 and 131,***,243 lakes have disappeared in this time period.

关键词：湖泊变化湖泊面积中国空间分布中巴地球资源卫星陆地卫星tm 〇平方技术手册

Impacts of land-use change on ecosystem service value in Changsha,China

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Journal of Central South University 2011年第2期18卷 420-428页

作者：刘云国曾晓霞徐立田大伦曾光明胡新将唐寅芳 College of Environmental Science and Engineering Hunan University Key Laboratory of Environmental Biology and Pollution Control of Ministry of Education Hunan University Life Science and Technical Institute Central South University of Forestry and Technology

Changsha,a typical city in central China,was selected as the study area to assess the variations of ecosystem service value on the basis of land-use change. The analysis not only included the whole city but also the urban district where the landscape changed more rapidly in the center of the city. Two LANDSAT tm data sets in 1986 and 2000 and land use data of five urban districts from 1995 to 2005 were used to estimate the changes in the size of six land use categories. Meanwhile,previously published value coefficients were used to detect the changes in the value of ecosystem services delivered by each land category. The result shows that the total value of ecosystem services in Changsha declines from $1 009.28 million per year in 1986 to $938.11 million per year in 2000. This decline is largely attributable to the increase of construction land,and the conversion from woodland and water body to cropland to keep the crop production. In the five districts,there is $6.19 million decline in ecosystem service value between 1995 and 2005. Yuelu District has the highest unit ecosystem service value while Yuhua District has the lowest one. This may be attributed to the greater conversion from cropland and grassland to woodland and water body with the increase of construction land in Yuelu District. It is suggested that the increase rate of construction land should be controlled rigorously and the area of woodland and water body should be increased or at least retained in the study area.

关键词：生态系统服务价值土地利用变化长沙中国城市中心陆地卫星tm 建设用地水体面积

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遥感模糊图像分割与像元分析

光电子技术与信息 1998年第5期11卷 21-24,28页

作者：徐青山赵凤生魏合理刘庆红中国科学院安徽光学精密机械研究所合肥230031

卫星遥感对地观测获取的图像信息其像元的数据往往是多种地表成分的复合，因此地表反射、辐射反映在像元上就带有一定的模糊性。基于模糊数学的理论和方法，同时利用了tm（1，2，3；4，5，7）对六个波段的数据信息，对一幅图像进行非监... 详细信息

卫星遥感对地观测获取的图像信息其像元的数据往往是多种地表成分的复合，因此地表反射、辐射反映在像元上就带有一定的模糊性。基于模糊数学的理论和方法，同时利用了tm（1，2，3；4，5，7）对六个波段的数据信息，对一幅图像进行非监督分割，并用模糊算法对单个像无所隶属的各聚类中心的成分进行了数值分析。结果显示出尽管分割后一些像元属同一类别，但其复合成分则不尽相同。该方法对于tm像无分析精度的可靠性有待地面工作的进一步验证。

关键词：陆地卫星tm 模糊分割像元分析遥感图像处理