搜索结果: 1-9 共查到“测绘科学技术 Soils”相关记录9条 . 查询时间(0.103 秒)
MAPPING SPATIAL MOISTURE CONTENT OF UNSATURATED AGRICULTURAL SOILS WITH GROUND-PENETRATING RADAR
Ground-penetrating radar moisture content agriculture soil spatial mapping active remote sensing
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2016/12/1
Soil subsurface moisture content, especially in the root zone, is important for evaluation the influence of soil moisture to agricultural crops. Conservative monitoring by point-measurement methods is...
A MULTIVARIATE REGRESSION ANALYSIS FOR DERIVING ENGINEERING PARAMETERS OF EXPANSIVE SOILS FROM SPECTRAL REFLECTANCE
Expansive soils PLSR spectroscopy engineering parameters absorption feature parameters
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2016/1/3
Soil expansiveness is a major problem that need due attention in geotechnical investigations. It can detrimentally influence performance and life time of lightweight engineering infrastructures. For t...
SLIGHT AND MODERATE SALINE AND SODIC SOILS CHARACTERIZATION IN IRRIGATED AGRICULTURAL LAND USING MULITSPECTRAL REMOTE SENSING
Salinity Sodicity Electrical conductivity Remote sensing
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2015/9/8
Around the world, especially in semi-arid regions, millions of hectares of irrigated agricultural land are abandoned each year because
of the adverse effects of irrigation, mainly secondary salinity ...
USING GIS AND MAP DATA FOR THE ANALYSIS OF THE EXPANSION OF SALINIZED SOILS
soil salinity salinity mapping GIS
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2015/8/28
One of the most serious limitations of the agricultural activities in the Northeast of Thailand is the problem of the soil sources, which
are infrastructural factors of agriculture. Nowadays the prob...
LOESS SOILS EROSION MULTITEMPORAL MEASURMENT USING PHOTOGRAMMETRY AND GEOINFORMATION METHODS
photogrammetry GIS soil erosion measurment multitemporal
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2015/5/27
This article concerns the application of photogrammetry and geoinformation to the previous research of soil erosion carried out in XIX and XX century. In 1926 a Polish scientist, Stanislaw Bac initiat...
DETERMINATION OF SOIL ACTIVITY IN KENYAN SOILS FROM SPECTROSCOPY
Soil Activity Cation Activity Spectroscopy Absorption Features Engineering Indices
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2015/3/11
Soil activity is a term generally applied to the ability of a soil to take in and dispose water under changing moisture conditions. It is due to presence of clay minerals with a net negative charge to...
APPLICATION OF SPOT IMAGES AND FOREST VEGETATION MAPS FOR CREATION OF THE DATABASE FOR FORESTED SOILS USING GIS MODELING
Database SPOT Soil conservation GIS Forestry
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2015/2/4
Nowadays in Poland a creation of Regional Soils Information System is needed. This system should fulfil the geometric
and thematic accuracy criteria required for maps at the 1:100 000 scale. The firs...
ASSESSING THE EXTENT AND SEVERITY OF EROSION ON THE UPLAND ORGANIC SOILS OF SCOTLAND USING EARTH OBSERVATION AND OBJECT ORIENTATED CLASSIFICATION METHODS
Peat Erosion Earth Observation data Aerial Photography Rule-based classification Image Segmentation Object Orientated Classification
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2014/6/12
Much of Scotland’s uplands are covered by organic peat soils, these form a significant proportion of the global peat resource. Peat ecosystems play a key role in the global carbon cycle through seques...
Mapping Rocks, Soils, Vegetation Communities and Vegetation Destiny with the GERIS using Linear Mixture Modelling and Post-Processing Techniques
Mapping Rocks Soils Vegetation Communities
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2014/4/16
Mapping Rocks, Soils, Vegetation Communities and Vegetation Destiny with the GERIS using Linear Mixture Modelling and Post-Processing Techniques。