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Drone-Based Aerial GIS Flood Vulnerability Mapping: A Case Study of the 2023 Chennai Floods in Pallikaranai, Chennai, Tamil Nadu, India

by Vivekanandan Senthil Kumar K.

Hydrology and Water Resources Management

Floods are among the most catastrophic natural disasters because they endanger both lives and assets. The current investigation intends to create a mesoscale state wide flood risk mapping for the district of Chennai in Tamil Nadu, India, utilizing drone data and a GIS-MCDA model. The Chennai...

Chennai Floods 2023 Drone technology +3 more
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Assessment of Saturated Hydraulic Conductivity with Using Soil Particle Size Distribution: A Comparative Study of Constant Head and Falling Head Methods

by Solangi K.A. Abbasi B. Solangi F. Khaskhali S. Siyal A.A. Mehmood H. Akram M.I. Iqbal R. Al-Ghamdi A.A. Elshikh M.S.

Issue 6

Hydrology and Water Resources Management

The purpose of soil hydraulic conductivity is to retain soil water contents, and soil water pressure. In this study investigates two different methods to understand the soil hydraulic conductivity of loam and clay soils. The present research conducted a laboratory experiment to measure the saturated...

hydraulic conductivity porosity +2 more
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Transport of alumina nanoparticles in natural waters and water saturated porous media- an analysis of the effect of various environmental parameters

by

Mrudula Pulimi et al. View all

Issue 1

Air pollution and health

To control the use and disposal of products containing nanoparticles and lessen the risks they pose to soil and aquatic ecosystems, it is essential to understand the fate and transport of Al2O3 NPs. The stability, settling, retention, and transport of Al2O3 NPs in aqueous environments and saturated...

Aluminium oxide nanoparticle transport +2 more
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Interaction of pyrolysis conditions and soil texture on biochar mineralization and its effect on soil structure.

by

Marina Kouimtzi et al. View all

Issue 8

Solid Waste Management

The effectiveness of biochar as a soil conditioner is depended on the feedstock type and pyrolysis conditions as these two factors determine its physical and chemical properties. Wheat straw was heated at two temperatures: a) 2500C and b) 5000C for two time periods: i)20 min and ii) 60 min to...

wheat straw Biochar +3 more
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Effect of Zeolux and Filters Backwash Water (FBWW) on Plant Growth and Yield of Sage (Salvia Officinalis) Plant

by

Zaydoun AbuSalem et al. View all

Issue 1

Water and wastewater treatment and reuse

Jordan is one of the few countries with constricted water resources, having one of the lowest per capita water levels in the world (Ministry of Agriculture, 2015). Jordan's available water resources per person are predicted to fall from less than 160 m3/capita/year to roughly 90 m3/capita/year by...

FBWW Filters Backwash Water +3 more
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Electrokinetic remediation of arsenic contamination from alluvial and red clay soil

by

Shanmuga Priya S.P et al. View all

Issue 5

Soil and groundwater contamination and remediation

In this research the arsenic contaminations issues are exposed and suitable measures are recommended through electrokinetic remediation. The arsenic expulsion was assessed using the electro kinetic remediation from two different soil tests; alluvial clay soil and red clay soil taken from the...

Electrokinetic remediation Alluvial soil +3 more
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Use of waste glass powder in improving the properties of expansive clay soils

by

Niyomukiza John Bosco et al. View all

Issue 3

Solid Waste Management

Expansive soils pose a danger to the foundations of engineering structures due to their poor engineering properties. These soils are usually treated using mechanical techniques, and chemical stabilizers. However, the production of these chemicals is not friendly to the environment, thus a need to...

Clay soil environmental conservation +3 more
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Molybdenum in forests-A short review

by

Panagiotis Michopoulos et al. View all

Issue 2

This review deals with the importance of molybdenum (Mo) in nitrogen fixation in forests as well as the distribution of Mo in the various components of a forest ecosystems and its cycling. With regard to nitrogen (N) fixation in tropical forests, the limiting factor is the availability of phosphorus...

Molybdenum nitrogen fixation +2 more
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Effects of soil pH, Total Organic Carbon and texture on fate of Polycyclic Aromatic Hydrocarbons (PAHs) in soils

by

Emoyan, Onoriode Onos et al. View all

Issue 2

Hazardous Substances and Risk Analysis

Polycyclic aromatic hydrocarbons (PAHs) are a group of quotidian organic compounds having between two and six condensed aromatic rings braced in angular, cluster or linear forms possessing hydrogen and carbon atoms only. This work aims to evaluate the physicochemical characteristics of soil as...

Soil TOC pH and Texture +2 more
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Heavy metal migration along a rural highway route: Ilesha-Akure roadside oil, Southwestern, Nigeria

by

OLUWATUYI O.E. et al. View all

Issue 4

General

This paper present migration of some selected heavy metal (zinc, lead, copper, chromium and nickel) of roadside soil samples from along Ilesa-Akure highway with a view to assess the degree of contamination such soils contain and the likelihood that this contamination can be remobilized. Soil samples...

Clay Minerals Geo-accumulation Index +4 more
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Effect of Zeolux use on Sage (Salvia officinalis) plant irrigated by fresh and Ro reject waters

by

Ammary B. Y. et al. View all

Issue 2

Water and wastewater treatment and reuse

The effect of Zeolux use as soil amendment on the yield and some of the agronomic traits of a home garden plant, Sage ( Salvia officinalis), irrigated by either fresh or RO reject waters was studied. Clay and different combinations of clay-Jordanian zeolux were compared for that purpose. Each...

Saline water RO +5 more
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Assessing the Suitability of sites for Reclaimed Water Recharge using Hydrogeophysical and Hydrochemical Analysis

by

Selvakumar T. et al. View all

Issue 3

Air pollution and health

An electrical resistivity survey was carried out in the premises of Chennai Metrowater Sewage treatment plants and Anna University to assess the suitability of underlying aquifer for reclaimed water recharge and also to understand groundwater conditions. The geo-electrical methods used in the survey...

Chennai Sewage Treatment Plants – reclaimed water recharge – Vertical Electrical Sounding – Aquifer – Water Quality
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Stabilization pond systems for wastewater treatment: Facility costs and environmental footprint assessment

by

Vassilios A. Tsihrintzis et al. View all

Issue 2

Water and wastewater treatment and reuse

Natural systems offer an economic solution for the treatment of wastewater from small settlements. This study presents a detailed technical analysis of three stabilization pond systems designed to treat municipal wastewater, varying in capacity from 250 to 1400 population equivalent. Construction...

Municipal wastewater treatment Natural treatment systems +5 more
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Stabilization/Solidification (S/S) Pb and W Contaminated Soils using Type I/II Portland Cement, Silica Fume Cement and Cement Kiln Dust

by

Grubb D., Moon D., Reilly T., Chrysochoou M. and Dermatas D.

Issue 3

General

Stabilization/solidification (S/S) processes were utilized to immobilize lead (Pb) and tungsten (W) in contaminated soils, the inclusion of W motivated by the use of the new W-based ammunition. Artificially contaminated soils were prepared by mixing either kaolinite or montmorillonite with 10% Pb...

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Spatial prediction of two soil properties using topographic information

by

Kalivas D.P., Triantakonstantis D.P. and Kollias V.J.

Issue 1

General

The objective of this study was to determine whether the use of the co-regionalization of the distanceto- river topographic variable with the soil properties topsoil clay and sand can improve their mapping. The interpolation techniques: ordinary kriging, kriging combined with regression (two models)...

kriging regression kriging +4 more
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A rainfall simulation study of erosion of some calcareous soils

by

Dimogiannis D.G., Valmis S. and Vyrlas P.

Issue 3

General

In order to study the erodibility characteristics of some calcareous soils from Central Greece, the instability of aggregates of 2.0-4.7 mm in water was studied. Soil loss experiments were also conducted in the laboratory using a rain simulator where soil loss was measured and the soils’ attitude...

Soil erosion Rainfall simulation +1 more
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Protection of environment by the use of fly ash in road construction

by

Escioglou P. and Oikonomou N.

Issue 1

General

Fly ash is an important industrial by-product that comes from the combustion of coal, for the production of electrical energy. In our country, only a small percentage is used for the construction of technical projects, while the rest is stockpiled, causing serious problems. Because of its great...

Stabilization of soils crushed and natural sand-gravel
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Available Cd content of salt-affected and normal soils of Halastra-Kalohori area

by

Matsi Th., Hatzigiannakis E.G., Arampatzis G.K. and Panoras A.G.

Issue 3

General

A survey was conducted in order to evaluate the levels of available (DTPA extractable) Cd in salt affected and normal soils of Halastra−Kalohori area, located in N. Greece. In this area, phosphogypsum (PG) (a byproduct of P fertilizer industry, occasionally enriched with Cd) has been used as...

cadmium Phosphogypsum +1 more
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Laboratory Evaluation of Ash materials as Acid-Disturbed Land Amendments

by

Karapanagioti H.K. and Atalay As.

Issue 1

General

Fly ash (FA) and fluidized bed ash (FBA) solutions were evaluated as amendments for acid-disturbed lands, more specifically for treating acidic and metal contaminated soil. While titrating the ash materials with different volumes of acid, pH changes were monitored as a function of time and the acid...

fly ash fluidized bed ash +1 more
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Removal of dyes from aqueous solutions by adsortion on mixtures of fly ash in batch and column techniques

by

Albanis T.A., Hela D.G., Sakellarides T.M. and Danis T.G.

Issue 3

General

Adsorption and removal of commercial dyes were studied in aqueous suspensions of fly ash mixtures with a sandy clay loam soil of low organic matter content. The commercial dyes, acid orange 7, acid yellow 23, disperse blue 79, basic yellow 28 and direct yellow 28 represent the widely used nitroazo...

Azo dyes fly ash +5 more
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