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ISERME - 2020
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Browsing ISERME - 2020 by Author

Browsing ISERME - 2020 by Author "Dissanayake, DMDOK"

Now showing items 1-17 of 17

Adaptation to future flooding in a lowland city - a case of Jakarta city

Kazama, S; Januriyadi, NF; Kure, K [Conference-Full-text]

Proceedings of ISERME 2020 ISERME 2020 104 Adaptation to Future Flooding in a Lowland City, - A Case of Jakarta City - *Kazama1 S, Januriyadi2 NF and Kure3 K 1Department of Civil and Environmental Engineering, Tohoku ...
analyzing the temporal variation of groundwater level in Attanagalu oya basin using numerical models

Vinu, I; Udayanga, RMK; Chaminda, SP; Dassanayake, ABN [Conference-Full-text]

Scarcity for drinking water becomes one of the enormous threats around the world due to the increase in population, climatic fluctuation and pollution. Sri Lanka is considered as a country with little or no water scarcity ...
Assessment of rare earth element potential in intrusive rocks special reference to massenna zircon granite

Jayasuriya, JHAATS; Jayathilake, RGMA; Jeyakumar, J; Batapola, NM; Dushyantha, NP; Abeysinghe, AMKB; Premasiri, HMR [Conference-Full-text]

Sri Lanka has a geological setting that favors the presence of rare earth elements (REEs), which are currently identified as the most critical and strategic elements in the world. Previous geochemical studies show that ...
Developing a casing design for the extraction of petroleum in Mannar basin, Sri Lanka

Harshapriya, IMP; Maduranga, GMS; Sandaruwan, SAL; Wickrama, MADMG [Conference-Full-text]

To develop an economical casing design program for the Mannar Basin which is safe, and risk minimized, knowledge on Pore Pressure Gradient, Fracture Pressure Gradient, Casing Performance Properties and Casing Design ...
Estimation of the number of SARS CoV-2 infections in a sewershed based on wastewater-based epidemiology

Yifan, Z; Wakana, O; Chikako, M; Masaaki, K; Daisuke, S [Conference-Full-text]

The importance of wastewater-based epidemiology (WBE) has recently gained global attention, since scientific reports indicate that the concentration of viruses in wastewater is closely linked to the number of patients ...
Feasibility of extraction of cerium dioxide (CeO2) from monazite at Pulmoddai

Rasanjalee, PHAU; Delaksana, S; Sampath, MD; Dushyantha, NP; Batapola, NM; Dissanayake, DMDOK; Rohitha, LPS [Conference-Full-text]

Monazite concentration in Pulmoddai mineral sand deposit in Sri Lanka is 1.38%. Its Rare Earth Elements (REE) composition is about 61%. Currently, only heavy minerals are separated and cerium rich monazite is discarded. ...
Fragmentation optimization in aggregate quarrying in Sri Lanka

Edirisinghe, EAAV; Kaluarachchi, KAUM; Lakmal, WYP; Samaradiwakara, GVI; Hemalal, PVA; Chaminda, SP [Conference-Full-text]

Blasting is an essential task in aggregate quarrying industry for rock fragmentation. Rock fragmentation, which is the fragment size distribution of blasted rock material, is used in mining industry as an index to estimate ...
Heavy mineral sands in Kirinda area, deposit characteristics and extraction potential

Fernando, AKN; Perera, EMNS; Saranga, LS; Vijitha, AVP [Conference-Full-text]

Kirinda fishery harbour is dredged out periodically to pump out sand to maintain its depth. Sand samples (n= 38) were collected from the dredged-out sand pile covering all the regions and were analysed for mineralogy, ...
An investigation of industrial mineral mining methods in Sri Lanka

Thanujan, T; Subasinghe, MAIIJ; Vettinathan, S; Dharmaratne, PGR; Hemalal, PVA; Chaminda, SP; Jayawardena, CL [Conference-Abstract]

Sri Lanka is endowed with a rich base of industrial minerals despite its small land area. Traditional and modernized mining methods are employed to mine graphite, limestone, beach mineral sand (ilmenite, rutile, zircon ...
Mineralogical exploration for rare earth element potential in Kalutara coastal areas

Jayasinghe, HGH; Jayasinghe, SMNM; Mohomad, HH; Ratnayake, NP; Abeysinghe, AMKB; Dushyantha, NP [Conference-Full-text]

Rare Earth Element (REE) quantity is a main factor that determines the wealth of a country. The main aim of this study is to discover a new REE deposit that can contribute to the Sri Lankan economy. Calido Beach is a ...
Mining-induced subsidence prediction by displacement discontinuity method

Badrul, AKM; Alam, YJ; Fujii, Y; Alam, AKMB; Razo, SA; Ahmed, SM [Conference-Full-text]

It is essential to predict the mining-induced subsidence for sustainable mine management. The maximum observed subsidence having a noticeable areal extent due to Northern Upper Panels (NUP) and Southern Lower Panels (SLP) ...
Monitoring beach profile changes and modelling nourishment scenarios for Ratmalana beach

Gunasekara, MP; Madushani, EK; Govinath, J; Ratnayake, NP; Samaradivakara, GVI; Dushyantha, NP; Gunasinghe, GP; Silva, KBA [Conference-Full-text]

Sri Lanka is an island nation endowed with a wide range of coastal resources, greatly contributing to the Gross Domestic Product. Coastal erosion is a major issue related to the beaches in Sri Lanka. In this regard, ...
Rare earth elements exploration in river sediments (Belihul oya and Samanala wewa areas, Sri Lanka)

Dilshan, MWRR; Prabhashan, HPM; Kalaishanthan, K; Dushyantha, NP; Batapola, NM; Premasiri, HMR; Abeysinghe, AMKB [Conference-Full-text]

The global REE deposits are mostly associated with carbonatites, alkaline igneous rocks, ion adsorption clay deposits and placers. In this context, previous geochemical studies of alluvial beds in Sri Lanka have disclosed ...
REE Potential in carbonatite deposits: a case study of Eppawala carbonatite

Batapola, NM; Dushyantha, NP; Premasiri, HMR; Abeysinghe, AMKB; Rohitha, LPS; Ratnayake, NP; Dissanayake, DMDOK; Ilankoon, IMSK; Dharmaratne, PGR [Conference-Abstract]

Rare earth elements (REEs) are currently the most strategic elements in the world due to their significance in the diversified technological applications. Currently, a total of 478 million tonnes of REE resources is ...
Remote sensing analysis of urban heat island effect in Colombo city from 2001-2019

Dissanayake, DMDOK; Jeyakanth, K; Kurugama, KAKM; Ruwanthi, TPC [Conference-Full-text]

Urban Heat Island (UHI) is a metropolitan area where the temperature is several degrees higher than surrounding rural areas. In the context of UHI phenomenon, Land Surface Temperature (LST) was estimated using Landsat ...
Selective precipitation of lanthanum and neodymium oxides from pulmoddai monazite, sri lanka

Udayakantha, KGI; Chameera, SADK; Kulogin, S; Rohitha, LPS; Dissanayake, DMDOK [Conference-Abstract]

Pulmoddai is the largest known deposit of heavy mineral sand in Sri Lanka. Because of the high concentration of Rare earth elements (REEs), Pulmoddai deposit’s value is considered to be economically enhanced by extracting ...
Technical, socio-environmental & procedural limitations in Sri Lankan quarry industry from mining professionals perspective

Garusinghe, JP; Serasinghe, KDBJ; Khan, WM; Hemalal, PVA; Jayasundara, DRT; Jayawardena, CL [Conference-Full-text]

Over 2500 quarry sites are currently in operation to cater the large requirement of rock aggregates in Sri Lanka. The concerns of this industry are not limited to the environmental and social aspects but significantly ...

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