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  1. No Access

    Article

    Profiling Microplastic Pollution in Surface Water Bodies in the Most Urbanized City of Sri Lanka and Its Suburbs to Understand the Underlying Factors

    This study investigated the microplastic pollution of surface waters in and around the most populated and urbanized city in Sri Lanka from 2019 to 2022. The sampling regime was designed to cover the rainfall-d...

    R. M. L. S. Bandara, M. D. D. Perera, Pattiyage I. A. Gomes… in Water, Air, & Soil Pollution (2023)

  2. No Access

    Chapter

    GIS-Based Landslide Susceptibility Map**: A Case Study from Kegalle District, Sri Lanka

    occurs when a piece of rock, a piece of earth, or a pile of debris slides down . There are a few key geological and hydrological factors that influence the occurrence . However, these factors do not provide...

    Kupendrathas Guhananth, Pattiyage I. A. Gomes… in Monitoring and Managing Multi-hazards (2023)

  3. No Access

    Article

    Integrating vegetation indices and geo-environmental factors in GIS-based landslide-susceptibility map**: using logistic regression

    This study aimed to assess the potential of in-situ measured soil and vegetation characteristics in landslide susceptibility analyses. First, data for eight independent variables, i.e., soil moisture content, ...

    Himasha D. Abeysiriwardana, Pattiyage I. A. Gomes in Journal of Mountain Science (2022)

  4. No Access

    Article

    Investigation of Long-Term River Water Quality Trends in Hong Kong to Identify Role of Urbanization, Seasons and Pollution Sources

    This study investigated the long-term stream water quality trends of nine catchments in Hong Kong with different levels of urbanization using monthly water quality data for a 30-year period at annual and seaso...

    Pattiyage I. A. Gomes, Onyx W. H. Wai in Water, Air, & Soil Pollution (2020)

  5. No Access

    Article

    Vegetation dynamics of ephemeral and perennial streams in mountainous headwater catchments

    Ephemeral and perennial streams of mountainous catchments in Sabaragamuwa Province of Sri Lanka and Hong Kong of China were studied for two years on vegetation dynamics. Each year, sampling was conducted durin...

    Pattiyage I. A. Gomes, Onyx W. H. Wai, Ganegoda K. Dehini in Journal of Mountain Science (2020)

  6. No Access

    Article

    Concrete lined urban streams and macroinvertebrates: a Hong Kong case study

    In this study an urban stream network with earthen and concreted sections were studied for different seasons (wet and dry) to investigate the macroinvertebrate composition and the governing factors. The factor...

    Pattiyage I. A. Gomes, Onyx W. H. Wai in Urban Ecosystems (2020)

  7. No Access

    Article

    Assessment of Pollution Sources, Fate of Pollutants, and Potential Instream Interventions to Mitigate Pollution of Earthen Canals of Urban to Rural-Urban Fringe

    Three representative earthen canals from urban, peri-urban, and rural-urban fringe of Sri Lanka were studied for a 2-year period against different seasons to capture insights important in ecological rehabilita...

    Pattiyage I. A. Gomes, Bothalage A. V. W. Fernando… in Water, Air, & Soil Pollution (2019)

  8. No Access

    Article

    Relationships Among Anthropogenic Disturbances Representative Riparian and Non-Riparian Herbaceous Indicators (Biomass and Diversity), Land Use, and Lotic Water Quality: Implications on Rehabilitation of Lotic Waters

    This study was carried out to evaluate the linkages among herbaceous plant biomass (i.e., aboveground and litter biomasses) and diversity (Shannon-Wiener index) in riparian and non-riparian areas, land use, an...

    Pattiyage I. A. Gomes, Onyx W. H. Wai, R. K. A. Kularatne… in Water, Air, & Soil Pollution (2014)