A5006789700- Oceanographic and Atmospheric Processes
- Fish Ecology and Management Studies
- Ocean Waves and Remote Sensing
- Climate variability and models
- Aquatic Ecosystems and Phytoplankton Dynamics
- Agriculture, Water, and Health
- Coastal and Marine Dynamics
- Fish Biology and Ecology Studies
- Water resources management and optimization
- Tropical and Extratropical Cyclones Research
- Freshwater macroinvertebrate diversity and ecology
- Geological and Geophysical Studies
- Hydraulic flow and structures
- Pharmaceutical and Antibiotic Environmental Impacts
- Coastal and Marine Management
- Wastewater Treatment and Reuse
- Cruise Tourism Development and Management
- Infrastructure Resilience and Vulnerability Analysis
- Agricultural risk and resilience
- Aquatic Ecosystems and Biodiversity
- Water management and technologies
- Maritime Navigation and Safety
- Animal Behavior and Reproduction
- Fish biology, ecology, and behavior
- Rice Cultivation and Yield Improvement
University of Ruhuna
2015-2024
Saitama University
2000-2006
Japan Society of Civil Engineers
2001
Benzotriazoles, benzothiazoles, and p-phenylenediamines discharged from wastewater treatment plants (WWTPs) are of concern because they pose risks to aquatic organisms. South/Southeast Asian countries heavily populated face challenges in providing clean water. Here, the chemical fates five WWTPs Malaysia Sri Lanka were investigated their environmental assessed. Benzotriazoles benzothiazoles dominant (at concentrations 3.4–21000 7.0–2500 ng/L, respectively). The p-phenylenediamine much lower...
Abstract Most of the monitoring data on occurrence antibiotics in sewage treatment plants (STPs) have been reported from Europe, North America and some countries Northeast Asia, while very limited can be found Southeast Asian countries. As a pioneering research Sri Lanka, we collected 24 h composite wastewater samples at influent effluent two municipal STPs for consecutive 7 days to investigate occurrence, consumption removal efficiency seventeen antibiotics. The STP was located Colombo...
Abstract This study investigates basin and regional‐scale eddy (turbulent)‐induced heat salt transport associated with mesoscale eddies of the Bay Bengal (BOB). A high level eddy‐induced is found in four subregions: western boundary northern BOB (NB), (WB), southwestern near Sri Lanka (SWB), southeastern (SEB). The main seasons for NB SWB are identified as presummer (March to April) summer monsoon (May September) seasons, whereas postsummer season (October November) WB SEB. It that not only...
Abstract The 2030 Agenda for Sustainable Development, adopted by all UN member states, provides a policy framework achieving sustainable development goals. 13th SDG: Climate Action is fully dedicated to ‘taking urgent action combat climate change and its impacts’. Increasing storage key adaptation strategy in the water sector, restoration rehabilitation of ancient village tanks have been identified as one Nationally Determined Contributions Sri Lanka. Though country has engaged nearly 170...
Air–sea exchanges play a crucial role in intense weather events over Sri Lanka, particularly by providing the heat and moisture that fuel heavy rainfall. We present year-round dataset of meteorological observations from southern shoreline Lanka equatorial Indian Ocean for 2017, aiming to investigate its seasonal characteristics evaluate performance reanalysis data this region. The reveal distinct diurnal patterns. During winter spring, higher shortwave (646.2 W/m2) longwave radiation (−86.9...
This study was conducted to determine the present status of Mud Crab (Scylla serrata Forskal) population in Koggala Lagoon, including details on size at maturity, sex ratio and carapace width - body weight relationship. is most common edible species found lagoon, comprising 93.10% total catch from crab pots 89.86% nets. Sex ratios (male:female) were 1:0.86 1:0.82 nets, respectively. Female crabs various sizes randomly sampled maturity. The results indicate that maturity females 12.17 cm...
Abstract Utilisation of water harvesting systems ancient origin for present-day requirements can be seen in many regions the world. The adoption tank cascades as smallest hydrological unit river basin development Sri Lanka is such a practice. However, these are associated with unsuccessful experiences agricultural performance while being vulnerable to both floods and droughts. Therefore, identification principles behind vital. This study reviewed historical evidence, definitions,...
A new bulk parameter, Lagoon Richardson Number (RiL), was developed based on the Estuarine (RiE) to characterize mixing/stratification process of permanently open choked coastal lagoons (POCCLs) in Sri Lanka. In addition tidal induced mixing, wind mixing is also incorporated RiL. Furthermore, estuarine model modified by replacing RiE from RiL order make it more applicable POCCLs. By using energy terms included RiL, a significant amount potential reduction able identify dry season with...
Abstract. Time series measurements from the Research Moored Array for African-Asian-Australian Monsoon Analysis and Prediction (RAMA) moorings at 15° N, 90° E; 12° 8° 4° 1.5° 0° E are used to investigate seasonal mixed-layer heat balance importance of barrier layer thickness (BLT) vertical mixing (Q−h) in Bay Bengal (BoB). It is found that BLT, Q−h all have a strong seasonality central BoB. Sea surface temperature (SST), salinity wind important observed strongest cycle BLT BoB, more than SST...