Search Results - "Gomes, Pattiyage I. A."

Spatial and temporal tree colonization in a midstream sediment bar and the mechanisms governing tree mortality during a flood event by Asaeda, Takashi, Gomes, Pattiyage I.A, Takeda, Eisuke

“…Reduced disturbances in regulated rivers can result in stable tree colonisation in downstream reaches. We examined spatial and temporal tree colonisation on a…”
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Investigation of Long-Term River Water Quality Trends in Hong Kong to Identify Role of Urbanization, Seasons and Pollution Sources by Gomes, Pattiyage I. A., Wai, Onyx W. H.

“…This study investigated the long-term stream water quality trends of nine catchments in Hong Kong with different levels of urbanization using monthly water…”
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Phytoremediation of heavy metals by calcifying macro-algae (Nitella pseudoflabellata): Implications of redox insensitive end products by Gomes, Pattiyage I.A., Asaeda, Takashi

“…[Display omitted] •Charophytes to form redox insensitive end products in phytoremediation was studied.•Heavy metal accumulation in alkaline to acidic areas was…”
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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 by Gomes, Pattiyage I. A, Wai, Onyx W. H, Kularatne, R. K. A, Priyankara, T. D. P, Anojika, K. G. M. S, Kumari, G. M. N. R

“…This study was carried out to evaluate the linkages among herbaceous plant biomass (i.e., aboveground and litter biomasses) and diversity (Shannon-Wiener…”
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Assessment of Pollution Sources, Fate of Pollutants, and Potential Instream Interventions to Mitigate Pollution of Earthen Canals of Urban to Rural-Urban Fringe by Gomes, Pattiyage I. A., Fernando, Bothalage A. V. W., Dehini, Ganegeoda K.

“…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…”
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Concrete lined urban streams and macroinvertebrates: a Hong Kong case study by Gomes, Pattiyage I. A., Wai, Onyx W. H.

“…In this study an urban stream network with earthen and concreted sections were studied for different seasons (wet and dry) to investigate the macroinvertebrate…”
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Impact of calcium and magnesium on growth and morphological acclimations of Nitella: implications for calcification and nutrient dynamics by Gomes, Pattiyage I.A., Asaeda, Takashi

“…The impact of calcium (Ca) and magnesium (Mg) on the growth and morphology of a Charophyte, Nitella pseudoflabellata, and the influence of Mg on calcification…”
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Sampling at mesoscale physical habitats to explain headwater stream water quality variations: Its comparison to equal-spaced sampling under seasonal and rainfall aided flushing states by Gomes, Pattiyage I.A., Wai, Onyx W.H.

“…•Scale is an issue in conventional, cell-in-series (CIS) sampling at equal distances.•Stream water quality was assessed using mesoscale physical habitats (MPH)…”
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Phycoremediation of Chromium (VI) by Nitella and impact of calcium encrustation by Gomes, Pattiyage I.A., Asaeda, Takashi

“…This article discusses the applicability of the Charophyte, Nitella pseudoflabellata in the remediation of Cr (VI) contaminated waters at different calcifying…”
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Feasibility of Sediment Budgeting in an Urban Catchment with the Incorporation of an HEC—HMS Erosion Model: A Case Study from Sri Lanka by Abeysiriwardana, Himasha D., Gomes, Pattiyage I. A.

“…This study aimed at studying the feasibility of using a sediment model built in HEC – HMS incorporating Modified Universal Soil Loss Equation (MUSLE) in aiding…”
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In-stream Physical Heterogeneity, Rainfall Aided Flushing, and Discharge on Stream Water Quality by Gomes, Pattiyage I. A., Wai, Onyx W. H.

“…Implications of instream physical heterogeneity, rainfall-aided flushing, and stream discharge on water quality control have been investigated in a headwater…”
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Eco‐hydraulic evaluation of herbaceous ecosystems below headwater dams without a base flow: Observing below dam reaches as new stream sources by Gomes, Pattiyage I. A., Wai, Onyx W. H., Yan, Xu‐Feng

“…The roles of headwater streams are usually underestimated and inadequately managed compared with the larger downstream river systems. This two and half‐year…”
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Applicability of machine learning techniques to analyze Microplastic transportation in open channels with different hydro-environmental factors by Fazil, A. Zakib, Gomes, Pattiyage I.A., Sandamal, R.M. Kelum

“…This research utilized machine learning to analyze experiments conducted in an open channel laboratory setting to predict microplastic transport with varying…”
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Integrating vegetation indices and geo-environmental factors in GIS-based landslide-susceptibility mapping: using logistic regression by Abeysiriwardana, Himasha D., Gomes, Pattiyage I. A.

“…This study aimed to assess the potential of in-situ measured soil and vegetation characteristics in landslide susceptibility analyses. First, data for eight…”
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Profiling Microplastic Pollution in Surface Water Bodies in the Most Urbanized City of Sri Lanka and Its Suburbs to Understand the Underlying Factors by Bandara, R. M. L. S., Perera, M. D. D., Gomes, Pattiyage I. A., Yan, Xu-Feng

“…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…”
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Do sediments of ephemeral and perennial streams show different impacts on water quality when subjected to the same drying conditions? by Perera, Manimeldura D. D., Gomes, Pattiyage I. A.

“…Empirical evidence was studied to investigate whether ephemeral stream sediments have redeeming biological and physical attributes with respect to water…”
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Ecological fragmentation two years after a major landslide: Correlations between vegetation indices and geo-environmental factors by Gomes, Pattiyage I.A., Aththanayake, Uthpalana, Deng, Wei, Li, Ainong, Zhao, Wei, Jayathilaka, Tharaka

“…This study was carried out about two years after a major landslide took place in Aranayake, Sri Lanka to evaluate geo-ecological status quo (spatial variation…”
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Vegetation dynamics of ephemeral and perennial streams in mountainous headwater catchments by Gomes, Pattiyage I. A., Wai, Onyx W. H., Dehini, Ganegoda K.

“…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…”
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Impact of increased instream heterogeneity by deflectors on the removal of hydrogen sulfide of regulated urban waterways—A laboratory study by Gomes, Pattiyage I. A., Samararatne, Saneth, Wai, Onyx W. H., Perera, Manimeldura. D. D.

“…Laboratory experiments were conducted to test the hypothesis that increase in physical heterogeneity by deflectors would improve the water quality of urban…”
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Ecohydrologic structure and function of stream networks with earthen upstream and concrete‐lined downstream by Gomes, Pattiyage I.A., Wai, Onyx W.H.

“…Concrete‐lined streams are one of the most extreme forms of river regulation. This study investigated an urban stream network with concrete‐lined (C) and…”
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