搜索结果: 1-15 共查到“测绘科学技术 Desertification”相关记录23条 . 查询时间(0.046 秒)
COMPARATIVE ANALYSIS OF SEVERAL TYPICAL APPROACHES OF DESERTIFICATION DYNAMIC MONITORING BASED ON TM DATE
Image processing Detection Space photogrammetry Feature extraction Environmental monitoring
2016/1/3
Land desertification is one of the most important problems about the issue of environment, social and economy in the world. Vegetation category and quantity is a significant criterion to measure the e...
RESEARCH ON MONITORING THE CHANGES OF DESERTIFICATION BASED ON REMOTE SENSING
Desertification Monitor RS GIS Typical Area
2015/12/31
Desertification is caused by the influence of the climatic, environmental changes and human activities. Its enlargement and reverse leads to not only the changes of spatial structure, scope and enviro...
EXTRACTION OF KARST ROCKY DESERTIFICATION INFORMATION FROM EO-1 HYPERION DATA
Hyperspectral Remote Sensing Validation Digital Photogrammetry Feature Extraction Environmental Monitoring
2015/12/31
Karst rocky desertification is a special kind of land desertification developed under violent human impacts on the vulnerable ecogeo-environment in karst ecosystem. The process of karst rocky desertif...
THE RESEARCH ON DESERTIFICATION LAND EXTRACTION BASED ON OBJECT-ORIENTED METHOD
Beijing-1 Data Desertification Land Object-oriented Classification Segmentation Zhenglanqi Basin The west of Badain Jaran Desert
2015/12/28
Land desertification has become a significant issue of economy and ecological environment in global area. In this paper, we have applied the object-oriented method to the research of Zhenglanqi basin ...
DESERTIFICATION AND SUSTAINABLE AGRICULTURAL DEVELOPMENT OF TAJIKISTAN
Satellite Image Soil Erosion Desertification Sustainable Development Pasture
2015/12/28
Tajikistan is mountainous agricultural area and its sustainable development depends on proper farming and livestock. During the Soviet period Tajikistan specified on the cotton, sub-tropical cultures,...
STUDY ON DYNAMIC CHANGES OF DESERTIFICATION IN THE FARMING-PASTORAL ZONE OF THE NORTHERN SHAANXI PROVINCE
Environment Land use Landsat RS GIS
2015/12/28
Integrating remote sensing (RS) with geographic information system (GIS), distribution digital maps of land desertification, spatial database and their statistics in the year of 1986, 1993 and 2000 we...
QUANTITATIVE ESTIMATION OF DESERTIFICATION DEGREE BASED ON PCA FUSION AND SVM USING CBERS-02B
support vector machine (SVM) data fusion CBERS-02B soil desertification information PCA
2015/12/23
Soil Desertification has severely threatened inner stability and sustainable development in arid areas, so extracting soil desertification information based on remote sensing and mastering its spatial...
DESERTIFICATION STATUS MAPPING OF RATLAM DISTRICT, MADHYA PRADESH USING IRS SATELLITE DATA
Desertification Land degradation Soil and water conservation
2015/8/31
Desertification is one of the world’s most alarming process of environmental degradation not as a natural problem of advancing deserts,
but a phenomenon of land degradation due to loss of land’s biol...
DESERTIFICATION STATUS MAPPING USING SATELLITE DATA IN DRY SUB-HUMID REGION OF INDIA
Desertification Remote Sensing IRS-1D
2015/8/31
The study was aimed at evolving and standardizing the methodology for desertification status mapping using satellite data for the
sub-humid regions under Thematic Programme Network-1 (TPN-1) of Regio...
COMPARATIVE EVALUATION OF AWIFS DATA FOR DESERTIFICATION STATUS MAPPING
Drylands wind erosion combating desertification
2015/8/31
The desertification process is a creeping disaster, consuming the marginal lands. It is imperative to map all the dry-land areas of
the country for Desertification Status Mapping. Thus a suitable dat...
Inventory on Desertification Status Mapping of India using multi-temporal AWiFS data
Desertification Drylands Frost Heaving
2015/8/31
Desertification is the continuous degradation of land under the influence of natural and anthropological causes in arid, semi-arid and drysub
humid conditions. Mostly, it is a slow and creeping proce...
USE OF GEO-INFORMATICS FOR COMBATING DESERTIFICATION IN STOD VALLEY (1F4C2), PADAM (ZANSKAR), DISTRICT KARGIL, J & K STATE
paper deals Indian Meteorology Department
2015/8/31
The paper deals with the desertification status mapping of Stod valley of Zanskar region, District Kargil, Jammu & Kashmir State (India),
located in the altitudinal belt of 3450m to 6200m asl. The va...
ASSESSMENT AND MAPPING OF DESERTIFICATION STATUS IN BELLARY DISTRICT, KARNATAKA STATE, USING IRS DATA
Land degradation vegetal degradation salt affected lands
2015/8/28
Drought is a common feature of this semi-arid district of Bellary, lying almost at the centre of the Indian peninsula. Under UNCCD’s
desertification monitoring and assessment theme, the district was ...
Enhanced filtering of modis time series data for the analysis of desertification processes in northeast brazil
land cover change detection algorithms
2015/8/20
Long time series of satellite data provide key input for geographically explicit monitoring and modelling of the environmental
condition in the context of land use and land cover change (LUCC) analys...
IMPACT OF CLIMATE AND ANALYSIS OF DESERTIFICATION PROCESSES IN SEMI ARID LAND IN ALGERIA: USING DATA OF ALSAT AND LANDSAT
Remote sensing SIG ecosystem
2015/5/7
The degradation of natural resources in arid and semi-arid areas was highlighted dramatically during this century due to population growth and transformation of land use systems. The Algerian steppe...