搜索结果: 1-15 共查到“测绘科学技术 Degradation”相关记录18条 . 查询时间(0.14 秒)
ESTIMATE OF DTM DEGRADATION DUE TO IMAGE COMPRESSION FOR THE STEREO CAMERA OF THE BEPICOLOMBO MISSION
Space Photogrammetry DTM Reconstruction Accuracy Area-based Image Matching Compression
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2016/11/8
The great amount of data that will be produced during the imaging of Mercury by the stereo camera (STC) of the BepiColombo mission needs a compromise with the restrictions imposed by the band downlink...
EVALUATION OF ANNUAL MODIS PTC DATA FOR DEFORESTATION AND FOREST DEGRADATION ANALYSIS
MODIS VCF Percent Tree Cover (PTC) deforestation
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2016/7/8
Anthropogenic land-cover change, e.g. deforestation and forest degradation cause carbon emissions. To estimate deforestation and forest degradation, it is important to have reliable data on forest cov...
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
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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...
LAND DEGRADATION ANALYSIS IN THE ONGI RIVER BASIN
Socio-economic Mineral Resources Degradation Biodiversity MSAVI2 NDVI
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2015/12/31
During Mongolia's transition to the free market, socio-economic factors such as poverty and profit-seeking have greatly increased small to large-scale mining, as well as illicit activity resulting in ...
ESTIMATION OF GRASSLAND DEGRADATION BASED ON HISTORICAL MAXIMUM GROWTH MODEL USING WITH REMOTE SENSING DATA
Satellite Remote Sensing Detection Image Understanding Comparative Analysis Dynamic Change
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2015/12/28
Grassland degradation is a complicated process and result of multi-system interaction. Observation on grassland vegetation growth and change is of critical importance to grassland resource management ...
LAND DEGRADATION MONITORING IN THE WEST MUUS,CHINA
Remote Sensing Land Degradation Monitoring Policy Impacts West MuUs China
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2015/12/28
This paper presents a study on land degradation monitoring focused in the west part of the MuUs Sandy Land in Ordos, one of the important dry areas in China, aiming to understand land degradation dist...
Ontology-based Land Degradation Assessment from Satellite Images
Land Use Change Detection Understanding Updating Knowledge Base Parameters
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2015/12/2
In this paper, we introduce the idea of documenting operational chains for land degradation assessment using ontologies. We believe that this will help end-users in better understanding the land degra...
Model Tropical Legume Trees for Reversing Soil Degradation as a Solution for Increasing Rural Farmers Income by GIS Analysis
Photogrammetry GIS Agriculture Crop Soil Developing Countries Change Detection Prediction
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2015/12/2
Poverty in rural areas of developing countries is one of the major global issues. Economic growth in rural areas of Sri Lanka has been significantly lower than in the urban areas, especially around Co...
PREVENTION OF SPATIAL DATA COMPRESSION QUALITY DEGRADATION
Compression indexing Huffman blocking mobile
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2015/9/28
Data indexing and compression procedures have enabled several significant advances in the application of spatial data. Data coverage, portability, transfer, multi-scale representation (pyramids), quer...
SEMI-AUTOMATED DETECTION OF SURFACE DEGRADATION ON BRIDGES BASED ON A LEVEL SET METHOD
Deterioration detection Monitoring Large infrastructures Level sets Image segmentation
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2015/9/21
Due to the effect of climate factors, natural phenomena and human usage, buildings and infrastructures are subject of progressive degradation. The deterioration of these structures has to be monitored...
Land Degradation Modeling in Dal lake Catchment Using Geospatial Tools
Erosion KINEROS2 Land degradation
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2015/8/31
Soil erosion is a complex dynamic process by which productive surface soils are detached, transported and
accumulated in a distant place resulting in exposure of subsurface soil and sedimentation dow...
Use of Remote Sensing Data to Detect Environmental Degradation in the Coastal Region of Southern Nigeria
Environmental degradation forest vegetation coastal environment
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2015/8/21
Environmental degradation is one of the major issues confronting many governments around the world. This problem is acute in
developing countries where the lack of proper regulatory enforcement and i...
A METHODOLOGY TO SUPPORT THE ANALYSIS OF ENVIRONMENTAL DEGRADATION USING NOAA AVHRR DATA
Remote Sensing Soil Color Erosion Vegetation Index Surface Temperature Emissivity Ecology
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2015/7/29
This work proposes a particular approach to assess information about soil degradation from NOAA/AVHRR data. As erosive
processes change physical and chemical properties of the soil, altering, conseq...
Gis Modelling of Land Degradation in Northern-jordan Using Landsat Imagery
Remote Sensing GIS Change Detection
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2015/7/7
An empirical model based on high resolution spatial and temporal remotely sensed data offers the ability to assess
the degradation impacts of changes in land cover in a spatial context. In an attempt...
ASSESSMENT OF SOIL DEGRADATION IN THE NORTHERN PART OF NILE DELTA, EGYPT USING REMOTE SENSING AND GIS TECHNIQUES
North Nile Delta physical degradation
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2015/5/7
The present work aims at monitoring soil degradation process within the last two decades in the northern part of Nile Delta .The investigated area lies between longitudes 31o 00- & 31 o 15- E a...