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Browsing by Conference Proceedings "International Symposium on Earth Resources Management & Environment - ISERME 2023"

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Analysing the Effect of Curing Temperature on Micro-annuli Formation in Existing Wellbore Cement Sheath for Underground Hydrogen Storage

Thirukumaran, A; Perera, S [Conference-Abstract]

Cement is used in a wellbore to isolate the formation fluids from the adjacent geologic regions. However, the interfaces between cement and casing as well as cement and formation can develop into leakage conduits in the ...
Analysis of topographic effects on tea yield in Sri Lankan tea estates using geomatics

Randima, KAC; Malinga, DIGS; Kalpana, TMJ; Chaminda, SP [Conference-Abstract]

This research paper investigates the potential impact of hill shade on tea yield at the Dambatenne tea estate using unmanned aerial vehicles (UAVs). Drones were used to take high-resolution aerial photos of the location ...
Applicability of GPR technique for earthen dam failures

Arunapriya, GGDPI; Liyanage, AGSI; Kishanth, S; Premasiri, HMR; Ratnayake, NP; Abeysinghe, AMKB [Conference-Full-text]

A dam is a structure constructed across a river or stream to store water upstream from the obstruction. Dams are susceptible to damage for various reasons, which can lead to many catastrophic disasters. Therefore, identifying ...
Assessing the potential of critical metals and rare earth elements in lateritic soils of the Southwestern region of Sri Lanka

Herath, HMIA; Piyumangi, WAM; Kanishta, KPMK; Abeysinghe, AMKB; Ratnayake, NP; Premasiri, HMR; Batapola, BDNM; Dilshara, RMP [Conference-Full-text]

Laterites are currently considered potential targets for critical metals (CMs) exploration considering their near-surface occurrence, large dissemination, and enrichment of CMs in lateritic soil during weathering. Although ...
Assessment of unusual rock weathering in Samanalawewa area in Sri Lanka

Rathnasekara, RMNL; Edirisuriya, EATD; Sajithkanth, T; Premasiri, HMR; Ratnayake, NP; Abeysinghe, AMKB [Conference-Abstract]

The research investigates the unusual rock weathering at Samanalawewa dam in Sri Lanka and its significant impact on the dam structure and surrounding area. While previous investigations covered physical, mechanical, ...
Comparative analysis of water hyacinth dynamics in North Bolgoda Lake, Sri Lanka: a classification based on high-resolution aerial imagery and satellite-imagery

Dawalagala, HS; Radampola, A; Gowsigan, PT; Chaminda, SP; Dassanayake, SM; Jayawardena, CL [Conference-Abstract]

Water hyacinth (WH) is an invasive aquatic plant that has established its presence in tropical and subtropical regions around the globe. Its widespread existence has resulted in societal, economic, and ecological impacts ...
Critical evaluation of most suitable underground mining method for Kahatagaha underground graphite mine - a case study

Ekanayake, EMKB; Bandara, TMW [Conference-Full-text]

Lanka has been a well-known natural vein graphite supplier to the world since 1820. This reputation is mainly due to its extremely high purity, the purity being above 99% carbon as in-situ status and no other country in ...
Design and performance optimisation of graphite-based batteries for advanced energy storage system

Liyanage, LDNM; Reval, SS; Madushan, IL; Rohitha, LPS [Conference-Full-text]

This research focuses on the development of a graphite-based battery, utilising the abundant graphite resources available in Sri Lanka while facing the challenges of limited access to advanced materials and technologies. ...
Effect of feed size on fine grinding of dolomite from Naulla deposit, Sri Lanka

Gohulan, H; Jayaweera, BPDV; Deegayu, THSI; Mushmika, PAS; Samaradivakara, GVI [Conference-Full-text]

This study examines the crucial role that feed size plays in the fine grinding of dolomite obtained from Sri Lanka's Naulla deposit. The study is carried out at Metal Mix Pvt. Ltd. Galpatha site, a commercial facility that ...
Estimation of an extreme flood scenario induced by heavy precipitation, following wildfires for the North - Central California

Dilshan, MWRR; Hiraga, Y; Kazama, S; Chaminda, SP [Conference-Abstract]

Wildfires and extreme precipitation scenarios are an increasing trend in the global context. Elevated risks of floods are expected to occur due to fire-induced land cover alterations. Hence, it is important to identify ...
Flood susceptibility mapping using explainable machine learning models

Kurugama, KAKM; Kazama, S; Chaminda, SP [Conference-Full-text]

Flooding is one of the most frequently encountered natural disasters globally. Frequent severe flood occurrences in Rathnapura city, Sri Lanka caused damages to both human lives and infrastructures. Data-driven models have ...
Geomatics for monitoring rehabilitation Status in Aruwakkalu Limestone Quarry, Sri Lanka

Waravita, CS; Madhuranga, AU; Rodrigo, MAJ; Chaminda, SP; Jayawardena, CL; Samarakoon, KGAU [Conference-Full-text]

Aruwakkalu limestone quarry in Sri Lanka, owned and operated by Siam City Cement (Lanka) Limited, is one of the largest limestone deposits in Sri Lanka. Since the limestone deposit is seated in a shallow depth, it is being ...
GIS-based analysis of coastal vulnerability in southern province of Sri Lanka: insights from Matara district coastal area

Ratnayake, KM; Edirisooriya, KVUI; Rubasinghe, DM [Conference-Full-text]

Coastal erosion is a substantial natural hazard that is affecting both the environment and human communities globally. Sri Lanka's coastline is about 1600 kilometres, with rich biodiversity and resources, and faces growing ...
Heavy metal contamination in the water of a semi-urban lake – Bolgoda lake, Sri Lanka

De Silva, NJC; Malinda, KMDRP; Elankeeran, T; Dilshara, RMP; Batapola, BDNM; Ratnayake, NP; Premasiri, HMR; Abeysinghe, AMKB [Conference-Full-text]

Urbanisation and industrialisation have intensified the heavy metal contamination in inland water bodies. Therefore, this study investigates the recent status of heavy metal pollution in the water of the Bolgoda Lake in ...
Heavy metals in agricultural soils and level of contamination with crop production

Sumanathilake, RMSBD; Jegatheeswaran, N; Pabanda, KGM; Vijitha, AVP; Premasiri, HMR [Conference-Full-text]

Heavy metals (HM) can be defined as metallic elements that are greater than 40 in atomic weight and above 5 g/cm3 in specific gravity and cause abnormal effects on the biota at low concentrations. This study aimed to assess ...
Identification of optimum replacement ratio of processed quarry dust as a substitute for sand in cement plastering

Madhurshan, R; Anuttara, RNS; Kannangara, KKEU; Illankoon, IMTN [Conference-Full-text]

The demand for sand is increasing due to construction activities. River sand scarcity causes illegal mining and environmental damage. The construction industry faces negative impacts if river sand becomes unavailable or ...
Identification of the bedrock level with sub-bottom profiling data

Rathnayaka, KRHI; Ansanayaka, AGNJ; Piragash, C; Wickrama, MDMG; Senarathne, EN; Ratnayake, NP [Conference-Abstract]

This study dominantly inquiries about the accuracy of the interpretation of sub-bottom profiling data for the identification of the bedrock level that is essential for underwater constructions and other marine activities. ...
Image analysis approach to determine the porosity of rocks

Varnasuthan, S; Fernando, WTM; Dahanayaka, DS; Dassanayake, ABN; Wickrama, MADMG; Illankoon, IMTN [Conference-Full-text]

Accurate characterisation of rock porosity is essential for assessing its strength and durability. This study explores both conventional and image analysis methods for determining rock porosity of two types of rocks, Bibai ...
Integration of machine learning with numerical modelling for landslide susceptibility assessment near Uma Oya catchment, Sri Lanka

Abeygunasekara, HA; Kazama, S; Chaminda, SP [Conference-Abstract]

Landslides being an abundant source of risk prevailing worldwide, the mountainous regions in the central part of Sri Lanka, experience numerous slope failures throughout the year. Many such slope failures have been reported ...
Interaction of organic liquid with metakaolin-based geopolymer

Fang, C; Elakneswaran, Y; Niu, X; Hiroyosi, N [Conference-Abstract]

In recent years, there has been growing interest in geopolymer cement as a more sustainable alternative to traditional concrete. Metakaolin-based geopolymers have a high capacity to immobilise radioactive cations such as ...

Browsing by Conference Proceedings "International Symposium on Earth Resources Management & Environment - ISERME 2023"

Browsing by Conference Proceedings "International Symposium on Earth Resources Management & Environment - ISERME 2023"

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