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Reading the archaeometallurgical fndings of Yodhawewa site, Sri Lanka: contextualizing with South Asian metal history

Wijepala, W. M. T. B.; Young, Sansfica M.; Ishiga, Hiroaki (Jilin University and Springer Nature Singapore, 2022)

This study aimed to provide a chronological interpretation of the Yodhawewa settlement and interpret metalworking activities based on artifacts representing metallurgical technology in Sri Lanka and South Asia. The research ...

Thickness and grain-size distribution of the 2004 Indian Ocean tsunami deposits in Periya Kalapuwa Lagoon, eastern Sri Lanka

Matsumoto, Dan; Shimamoto, Toshihiko.; Hirose, Takehiro; Gunatilake, Jagath; Wickramasooriya, Ashvin; DeLile, Jeffrey; Young, Sansfica M.; Rathnayake, Chaminda; Ranasooriya, Jay; Murayama, Masafumi (Elsevier B.V, 2010)

In this paper we describe the sedimentary characteristics of the 2004 Indian Ocean tsunami deposits in and around Periya Kalapuwa Lagoon, Sri Lanka. Periya Kalapuwa is a coastal lagoon of about 13 km2 area and has an ...

Spatial variations in recent ostracode assemblages and bottom environments in Trincomalee Bay, northeast coast of Sri Lanka

Iwatani, Hokuto; Young, Sansfica M.; Irizuki, Toshiaki; Sampei, Yoshikazu; Ishiga, Hiroaki (2014)

Trincomalee Bay is situated on the northeast coast of Sri Lanka. This is the first study to report the recent ostracode assem blages in this bay. As a result, at least 36 ostracode taxa were identified from surface sediments ...

New Perception to Proto History Burial Site in Andarawewa An Archaeological and Geochemical Prospection

Young, Sansfica M.; Mendis, D. Thusitha; Ishiga, Hiroaki (2020)

The megalithic burial site at Galgamuwa Andarawewa is situated at Anamaduwa Secretariat Division in the North Western Province, Sri Lanka. It is evident that 2500 years ago the proto history people had settled in this ...

Major and trace element geochemistry of beach sands from northern Kyushu, Japan.

Malick, B.M.L.; Young, Sansfica M.; Ishiga, Hiroaki (2012)

Identifying Determinants of Bullying and Deciding on Measures through Engaging Adolescents in a Rural School in Sri Lanka

Gunasekara, S. D.; Young, Sansfica M.; Guruge, G. N. Duminda (2021)

Bullying is a public health concern which generates a range of harmful physical, mental, and social health consequences for both its victims and perpetrators. Role of students in finding solutions for bullying has to be ...

Grain Size and Chemical Composition of Sediments to Determine the Governing Geochemical Processes in Fluvial Environments

Young, Sansfica M. (2019)

The environmental impact on the river system and the bay or a tidal flat area is of significance since these environments act as sinks of pollutants. The river system gradually gathers the material that flows along the ...

Geochemical evaluation of the effect of tidal flat environment by fluvial flooding in the Miyagawa River mouth estuary, Ise area, Mie Prefecture Japan

Ishiga, Hiroaki; Sakaya, Megumi; Sakamoto, Miyako; Hasegawa, Mika; Young, Sansfica M.; Diallo, Ibrahima M’bemba (2012)

Geochemistry of sediments in three sectors of Trincomalee Bay, Sri Lanka: provenance, modifying factors and present environmental status

Young, Sansfica M.; Ishiga, Hiroaki; Roser, Barry P.; Pitawala, Amarasooriya (Springer-Verlag Berlin Heidelberg, 2013)

Purpose The geochemical compositions of sediments from three sectors in Trincomalee Bay (Koddiyar Bay, Thambalagam Bay and the Inner Harbour) in Sri Lanka were examined to determine fluvial and marine contributions and ...

Geochemical variation between surface and subsurface soils and relationship to chronic kidney disease in North Central Province, Sri Lanka

Young, Sansfica M.; Perera, Indeewari. A.; Ishiga, H. (2021)

Chronic kidney disease (CKD) in the North Central Province (NCP), Sri Lanka, is becoming a major cause of national burden with high mortality and morbidity. The origins of these kidney diseases are unknown, and the ...

Geochemical characteristics of stream sediments, sediment fractions, soils, and basement rocks from the Mahaweli River and its catchment, Sri Lanka

Young, Sansfica M.; Pitawala, Amarasooriya; Ishiga, Hiroaki (2013)

Geochemical variations in stream sediments (n = 54) from the Mahaweli River of Sri Lanka have been evaluated from the viewpoints of lithological control, sorting, heavy mineral concentration, influence of climatic zonation ...

Geochemical Assessment of Upper Mahaweli River and Polgolla Reservoir Sediments, Sri Lanka

Young, Sansfica M.; Pitawala, A.; Ishiga, H. (Elsevier B.V, 2012)

The river Mahaweli which receives discharges of agricultural fields and urban runoff was investigated using geochemical analysis. The present study focuses on the levels of As, Pb, Zn, Cu, Fe, P, Ca, Ni and Cr in order ...

GEOCHEMICAL ASSESSMENT OF ARCHAEOLOGICAL SOILS FROM THE MONASTIC SITE OF NIKASALA NUWARA, KURUNEGALA, SRI LANKA

Young, Sansfica M.; Mendis, D. T.; Withanachchi, C. R.; Ishiga, H. (2019)

Microarchaeological remain analysis is a rare approach in Sri Lankan archaeology. X-Ray Fluorescence analysis was used to identify geochemical properties of soil units recorded in archaeological excavations. Identifying ...

Fate of phosphate and nitrate in waters of an intensive agricultural area in the dry zone of Sri Lanka

Young, Sansfica M.; Pitawala, A.; Gunatilake, Jagath (Springer-Verlag, 2010)

The chemistry of surface waters and groundwater draining agricultural catchments in the north-central and northwestern areas of Sri Lanka is described. Hydrochemical data from 296 water samples are used to evaluate water ...

Factors controlling fluoride contents of groundwater in north-central and northwestern Sri Lanka

Young, Sansfica M.; Pitawala, A.; Ishiga, H. (Springer-Verlag, 2011)

Chemical characterization has been made of groundwater bodies at 294 locations in four village districts in north-central and northwestern Sri Lanka, with special focus on fluorine contamination. High fluoride contents ...

Environmental change of the fluvial-estuary system in relation to Arase Dam removal of the Yatsushiro tidal flat, SW Kyushu, Japan

Young, Sansfica M.; Ishiga, Hiroaki (Springer-Verlag Berlin Heidelberg, 2014)

Chemical composition of 24 elements for sed iments and suspended solids, water parameters and the diatoms from Yatsushiro Bay tidal flat, Kuma River, and Arase Dam have been determined to examine changes from 2002 to ...

Engaging Construction Workers in Identifying Determinants and Deciding on Measures to Address Tobacco and Alcohol Consumption: An experience from Sri Lanka

Karunarathne, Ruwanmali; Young, Sansfica M.; Guruge, G. N. D. (2021)

High consumption of tobacco and alcohol is a public health issue that impairs health and well-being significantly. Consumption is seen to be high in industries such as building construction. This study aimed at identifying ...

Engaging Apparel Employees to Identify and Decide Actions to Address Selected Determinants using Health Promotion Approach

Sewwandi, W. G. Nadeesha; Young, Sansfica M.; Guruge, G. N. D. (2021)

Low level of employee engagement is one of the most alarming global economic problems. It declines work performance and productivity of employees. The objective of this qualitative study is to identify and decide actions ...

EFFECT OF AGRICULTURAL PRACTICES ON CHEMICAL QUALITY OF WATER IN KALA OYA RIVER BASIN

Young, Sansfica M.; Pitawala, A.; Gunatilake, Jagath (2009)

An assessment of nitrates and phosphates in groundwater and surface water in two heavily agricultural areas (Talawa and Giribawa) within the Kala Oya River Basin was carried out to study the temporal effect on the ...

Assessment of dam removal from geochemical examination of Kuma River sediment, Kyushu, Japan

Young, Sansfica M.; Ishiga, Hiroaki (Springer International Publishing Switzerland, 2014)

The aim of this study was to determine if Arase dam gate removal and flushing elevated concen trations of any trace elements in Kuma River and Yatsushiro Bay sediments or caused riverine environ mental change. The Arase ...

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