搜索结果: 1-15 共查到“测绘科学技术 Landsat TM”相关记录27条 . 查询时间(0.093 秒)
基于Landsat TM/OLI影像的兖州煤田水域面积动态监测
采煤沉陷 改进的归一化水体指数 水域变化监测
2017/11/23
为揭示东部高潜水位矿区地表水体的时空演变规律，该文以兖州煤田为研究区，在比较改进归一化差异水体指数法、单波段阈值法、谱间关系法、K-T变换4种水体提取方法的精度及优缺点基础上，采用基于阈值分割的改进的归一化差异水体指数法提取了研究区1990－2014年的水体信息并分析了其时空变化特征。研究结果表明：从1990－2009年，兖州煤田地表水域面积增加了1 696.14 hm2，且2001－2005年水...
ASSESSMENT OF FOUR TYPICAL TOPOGRAPHIC CORRECTIONS IN LANDSAT TM DATA FOR SNOW COVER AREAS
Landsat TM topographic correction Cosine correction C correction SCS correction SCS+C correction snow cover NDSI
2016/7/4
The accuracy of snow cover information extraction in remote-sensing images dependent on a variety of factors, especially in mountain area with complex terrain. This paper aims at analyzing the accurac...
DETECTION OF CHANGES IN LAND DEGRADATION IN NORTHEAST CHINA FROM LANDSAT TM AND ASTER DATA
Remote Sensing Change Detection Land Degradation Thematic Accuracy Landsat ASTER China
2016/1/3
This study aims to determine the accuracy level at which different forms of land degradation can be mapped from medium-resolution satellite data, and to assess how accurately degraded land can be dete...
GLACIER CHANGE ESTIMATION USING LANDSAT TM DATA
ecosystems land cover glacier spatially and temporally changes
2015/8/24
The Mongolian territory includes various ecosystems as, taiga forest, high mountains, width steppe and gobi desert, through North
to South. The glacier is most important land cover type to keep the ...
Integration of radarsat-1 and landsat tm images for mineral exploration in east oweinat district, south western desert, egypte
East Oweinat Principal Component Landsat TM
2015/8/21
East Oweinat district is located in the south Western Desert of Egypt. It is mainly occupied by outcrops of Archean to Early
Proterozoic rocks of high to medium metamorphic grade and younger granitoi...
Use of landsat tm fraction images to quantify the optical and sar data relationships for land cover discrimination in the brazilian amazonia
Amazonia Fraction Images Landsat TM
2015/8/21
This paper presents a comparison between L-band HH JERS-1 SAR and Landsat TM data for land cover assessment in an Amazonian
test site. For this, a study area located in the south of Rondo坣ia State, w...
Automating Interpretation of Geological Structures from Landsat Tm Multi-spectral Images and Dems
nterpretation Extraction Classification
2015/7/9
In this study using the Idrisi software system, a methodology for jointly analyzing and interpreting multi-spectral images and DEMs
for extracting structural-geology features is given. In analyzing a...
A Hierarchical Classificaton of Landsat Tm Imagery for Landcover Mapping
Remote Sensing Land Cover Hierarchical Classification
2015/7/7
Information about current land-cover in forests is important for management and conservation of these areas. Up to the last decade
traditional per pixel classification algorithms were used to be util...
QUANTIFYING GENE FLOW FROM OILSEED RAPE TO ITS WILD RELATIVES USING REMOTE SENSING (LANDSAT TM)
Gene gene flow sports population crop wild swap genes genetically modified
2015/5/13
Gene flow is defined as the movement of genes between populations and is a naturally occurring phenomenon
among sexually compatible individuals. Crops have exchanged genes with their wild and weedy ...
Use of a Landsat-TM time-series for monitoring erosion features in areas of gold exploration, Serra Tepequém, Roraima State, Brazilian Amazon
Remote Sensing erosion features renewable resources management
2015/2/5
This paper discusses the use of a Landsat-TM time series for monitoring erosion features caused by the action of
independent miners (garimpeiros) in the search for gold. Five free-cloud Landsat-TM sc...
MINNAERT TOPOGRAPHIC NORMALIZATION OF LANDSAT TM IMAGERY IN RUGGED FOREST AREAS
Minnaert model topographic effect DEM deciduous forest Landsat TM
2015/2/4
Minnaert constants (K) were derived from non atmospherically corrected, high-sun elevation angle Landsat TM data (8
June 1996 and 13 July 1997) and DEMs at 30x30 m spatial resolution using the IDL p...
IMAGE CLASSIFICATION FROM LANDSAT TM, AIRBORNE MAGNETICS AND DEM DATA FOR MAPPING PALEOPROTEROZOIC BEDROCK UNITS, BAFFIN ISLAND, NUNAVUT, CANADA
Bedrock Mapping Geology Classification Remote Sensing Nunavut
2015/2/4
A novel approach in image classification to bedrock mapping is applied to a 1:100 000 scale map area
of the Meta Incognita Peninsula Baffin Island, Nunavut, Canada to support mapping of the
Paleopro...
VEGETATION MAPPING OF A PART OF DRY TROPICAL RAINFOREST OF SOUTHERN NIGERIA FROM LANDSAT TM
Classification Ecosystems Forestry Land Use/Land Cover Mapping
2015/2/4
Vegetation in Nigeria, whether on topographical sheets or thematic maps, has generally been mapped from
aerial photographs. But aerial photographs are not generally available beyond the 70s in most p...
MULTITEMPORAL LANDSAT TM DATA FOR MONITORING THE EFFECTS OF FOREST FIRES AND VEGETATION RECOVERY PROCESSES IN MEDITERRANEAN AREAS
Multitemporal landsat TM data monitoring
2015/2/4
MULTITEMPORAL LANDSAT TM DATA FOR MONITORING THE EFFECTS OF FOREST FIRES AND VEGETATION RECOVERY PROCESSES IN MEDITERRANEAN AREAS.
SEGMENTATION AND CLASSIFICATION OF LANDSAT-TM IMAGES TO MONITOR THE SOIL USE
Classification Segmentation
2015/2/4
A hybrid unsupervised/supervised classification method is described and applied to
Landsat TM images. This method differs from the conventional classification in the sense that the
clustering algori...