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Study finds mercury levels in Arctic soils 5 times higher than temperate regions
mercury levels Arctic soils 5 times higher temperate regions
2017/7/24
Plants and soil in the Arctic tundra absorb and store mercury released into the atmosphere by industry and mining in the Earth's temperate regions, leading to soil mercury levels five times higher tha...
Following the success of the last conference held in Sydney, Australia in 2014, the HKUST is pleased to invite you to attend the 7th International Conference on Unsaturated Soils (UNSAT2018) in August...
MAPPING SPATIAL MOISTURE CONTENT OF UNSATURATED AGRICULTURAL SOILS WITH GROUND-PENETRATING RADAR
Ground-penetrating radar moisture content agriculture soil spatial mapping active remote sensing
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...
Evaluations of the effects of soil properties and electrical conductivity on the water content reflectometer calibration for landfill cover soils
soil electrical conductivity soil index properties time domain reflectometry volumetric water content WCR calibration
2016/8/2
This study presents soil-moisture calibrations using low-frequency (15–40 MHz) time domain reflectometry (TDR) probe, referred to as water content reflectometer (WCR), for measuring the volumetric wat...
A MULTIVARIATE REGRESSION ANALYSIS FOR DERIVING ENGINEERING PARAMETERS OF EXPANSIVE SOILS FROM SPECTRAL REFLECTANCE
Expansive soils PLSR spectroscopy engineering parameters absorption feature parameters
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
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
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...
Condition for liquefaction instability in fluid-saturated granular soils
Bifurcation Instability Liquefaction Undrained condition Saturated sands
2015/7/1
High-porosity granular materials such as loose sands can implode when subjected to compressive stresses. The mechanism of deformation is diffuse in that the jump in the strain rate tensor has three in...
LOESS SOILS EROSION MULTITEMPORAL MEASURMENT USING PHOTOGRAMMETRY AND GEOINFORMATION METHODS
photogrammetry GIS soil erosion measurment multitemporal
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
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...
Surface irrigation management in relation to water infiltration and distribution in soils
grape yield infiltration parameters irrigation evaluation linear distribution soil water storage surface irrigation (furrow/border) water use efficiency
2015/3/2
Water infiltration and storage under surface irrigation are evaluated, based on the initial soil water content and inflow rate as well as on the irrigation parameters and efficiencies. For that purpos...
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
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...
Using the Dual Energy Gamma-Ray Transmission Technique to Measure Soil Bulk Density and Water Content of Central Southwestern Nigerian Soils
Dual Energy Gamma-Ray Bulk Density Water Content Radiological Attenuation Coefficient
2013/3/12
In this work, a radiological technique which simultaneously measures soil bulk density and water contents accurately and quickly in a non-destructive manner at different depths of the soil profile of ...
Enhanced Microbial Removal of Pyrene in Soils in the Presence of Earthworms
Bioremediation earthworm PAHs bioavailability biodegradation
2013/12/12
Microbial degradation of pyrene was studied in soils in the presence and absence ofearthworms (Eisenia foetida) to demonstrate an integrated innovative strategy for biore-mediation of sites lightly po...
Turbidimetric Determination of Hydrocarbon Contamination in Passaic River Sediments and Refinery Polluted Soils
Hydrocarbon Contamination Turbidimetry Refinery Soils Passaic River Sediments
2013/3/12
A rapid method is described for the determination of petroleum hydrocarbons in soil samples. The method is based on the extraction of hydrocarbons by a solvent and the treatment of the solution with a...