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61,005 resultsShowing papers similar to Contamination and characterization of microplastics in different sediments of the river estuaries (the inner Gulf of Thailand)
ClearOccurrence and distribution of microplastics in surface sediments from the Gulf of Thailand
Researchers investigated the distribution and characteristics of microplastics in surface sediments across the Gulf of Thailand, finding an average abundance of 150.4 pieces/kg dry weight with fragment shapes dominating, and observed a correlation between sediment grain size and microplastic content. The results establish baseline contamination data for this Southeast Asian coastal region.
Abundance And Characteristics of Microplastics Contaminating The Surface Water of The Inner Gulf of Thailand
Researchers collected surface water samples from 25 locations in the Inner Gulf of Thailand and found widespread microplastic contamination with varying concentrations and particle types. The study adds to regional evidence that the Gulf of Thailand is significantly impacted by microplastic pollution from both marine and land-based sources.
Type and Distribution of Microplastic Contamination in Beach Sediment Along the Coast of the Lower Gulf of Thailand
Microplastic contamination was surveyed at five beaches along Thailand's lower Gulf Coast, with Talo Kapo showing the highest abundance and fragment-type particles being most common. The findings document baseline plastic pollution levels and polymer types across different coastal settings.
Spatio-heterogeneity risk assessment from microplastic contaminations in water and sediment of the inner gulf of Thailand
This study assessed the spatial distribution and ecological risk of microplastic contamination in water and sediment across the inner Gulf of Thailand, finding heterogeneous pollution patterns driven by urbanization, industrial activity, and riverine discharge. High-risk zones were identified near urban and industrial areas.
Microplastics on beaches along the eastern Gulf of Thailand – A preliminary study
Researchers quantified microplastics at the high-tide line of 21 beaches along the eastern Gulf of Thailand, finding highly variable contamination levels ranging from 420 to over 200,000 particles per kilogram of sand.
Microplastics pollution in selected rivers from Southeast Asia
Researchers surveyed microplastic pollution in rivers across Southeast Asia, a region with high plastic waste discharge but limited monitoring data, documenting the distribution and characteristics of microplastics in these understudied waterways.
Preliminary study on microplastic abundance in mangrove sediment cores at Mae Klong River, upper Gulf of Thailand
Researchers conducted a preliminary study on microplastic abundance in mangrove sediment cores collected from the Mae Klong River mouth and a shoreline park in Thailand. The study found microplastics throughout the sediment cores, with fibers and fragments being the most common types, indicating that mangrove ecosystems are accumulating microplastic pollution over time.
Occurrence and characteristics of microplastics in water and sediment samples along the red river to the gulf of tonkin, vietnam
This study characterized the occurrence and properties of microplastics in water and sediment samples along the Red River from inland Vietnam to the Gulf of Tonkin, mapping contamination levels across a major river system draining into the South China Sea. The findings help establish the scale of plastic inputs from Southeast Asian river systems, which are among the world's largest contributors to ocean plastic pollution.
Assessment of microplastic pollution in corals, seawater, and marine sediments in the Gulf of Thailand
Researchers assessed microplastic occurrence, abundance, and characteristics in coral, seawater, and sediment samples from two reef sites in the Gulf of Thailand, detecting microplastics in all coral samples at concentrations ranging from 0.24 to 2.60 particles per gram and finding spatial variability across reef species and sites.
Type and Distribution of Microplastics in Beach Sediment along the Coast of the Eastern Gulf of Thailand
Researchers examined microplastic distribution in beach sediments along the eastern Gulf of Thailand across two monsoon seasons, finding up to 1,698 pieces/m2 at the most contaminated site with PET (39.6%) and polyamide (22.8%) as the dominant polymer types among 17 identified.
Microplastics in the surface seawater of Bandon Bay, Gulf of Thailand
Researchers surveyed microplastics in surface seawater of Bandon Bay, Thailand, finding the highest concentrations near fishery and aquaculture areas, with fragments as the dominant form and polyethylene and polypropylene as the most common polymer types.
Microplastic Contamination in the Coastal Environment: A Case Study from the Mae Klong Estuary, Samut Songkhram
Researchers analyzed microplastic contamination in mangrove sediments from two sites in the Mae Klong Estuary in Thailand, finding average concentrations of 580 items/kg in the Mae Klong River and 1,690 items/kg in the Klong Khon Canal. The study linked higher microplastic concentrations in the canal to lower sediment transport energy in tidal flat environments that promote deposition of fine grains and plastic particles.
Occurrence and characteristics of microplastics in water and sediment samples along the red river to the gulf of tonkin, vietnam
Researchers surveyed microplastics in water and sediment along Vietnam's Red River from inland areas to the Gulf of Tonkin, documenting the types, sizes, and polymer compositions present. The findings show how a major river system acts as a pathway delivering plastic pollution from a densely populated landscape into coastal marine waters.
Preliminary Study of Abundance and Characteristics of Microplastics on Beach Sediment along the Coast of Rayong Province, Thailand
Microplastic contamination was found in beach sediment at three sites in Rayong Province, Thailand, with fibers and fragments being the most common types. The study provides baseline contamination data for this East Asian coastal region.
Microplastics in the Surface Sediment of the main Red River Estuary
Researchers characterized microplastics in surface sediments of the main Red River Estuary, identifying particle types, sizes, and polymer compositions as part of efforts to document microplastic pollution in Asian river estuaries that serve as hotspot regions for plastic transport to marine environments.
Distribution and flux assessment of microplastic debris in the middle and lower Chao Phraya River, Thailand
Researchers measured microplastic concentrations throughout Thailand's largest river, the Chao Phraya, finding plastic particles at every sampling station across all seasons, with sediment concentrations up to 546 particles per kilogram dry weight. Fiber was the most common form, and contamination peaked during monsoon season when rainfall flushes more plastic into the river. The study estimates the river's flux of microplastics toward the Gulf of Thailand, providing a baseline for understanding how major Asian rivers transport land-based plastic pollution to the ocean.
Influence of seasonal variations on the distribution characteristics of microplastics in the surface water of the Inner Gulf of Thailand
Researchers sampled surface water across 70-74 sites in the Inner Gulf of Thailand in both dry and wet seasons, finding microplastic concentrations 4 times higher in the wet season (34.59 pieces/L) than the dry season (8.70 pieces/L). River discharge was identified as the key driver of microplastic input to the coastal sea, and polypropylene and polyethylene were the dominant polymers.
Microplastic contamination in the Chanthaburi estuarine ecosystem, Eastern part of Thailand
Researchers surveyed microplastic contamination in the Chanthaburi estuarine ecosystem in eastern Thailand, measuring particle concentrations and types in water, sediment, and selected biota. Microplastics were detected throughout the estuary, with fibres predominating and concentrations highest near shrimp farms and urban areas, pointing to aquaculture and land-based waste as primary local sources.
Microplastic contamination on the lower Chao Phraya: Abundance, characteristic and interaction with heavy metals
Researchers investigated microplastic abundance, characteristics, and heavy metal interactions in water and sediment samples from the lower Chao Phraya River in Thailand, collecting samples via manta trawl and sediment grab. The study documented the distribution and polymer types of microplastics in a Southeast Asian river and examined their capacity to carry associated heavy metal contaminants.
Abundance, composition, and fate of microplastics in water, sediment, and shellfish in the Tapi-Phumduang River system and Bandon Bay, Thailand
Researchers measured microplastic contamination in water, sediment, and shellfish across the Tapi-Phumduang River system and Bandon Bay in Thailand, finding MPs throughout the system with highest concentrations in shellfish harvested from aquaculture areas and estimating human intake through local seafood consumption.
Interactions Between Heavy Metals and Microplastics in Surface Marine Sediments, Chanthaburi River Mouth, Eastern Gulf of Thailand
Researchers assessed heavy metal and microplastic contamination in surface marine sediments from the mouth of Thailand's Chanthaburi River, finding interactions between metal pollutants and plastic particles that affect contaminant bioavailability and ecological risk in estuarine environments.
Microplastic pollution in surface seawater and beach sand from the shore of Rayong province, Thailand: Distribution, characterization, and ecological risk assessment
Researchers surveyed microplastic pollution in beach sand and seawater along Rayong province, Thailand, finding average concentrations of 339 particles per kilogram in sand and 1,781 particles per cubic meter in seawater, with polyethylene as the most common polymer type.
A perspective study on occurance, impacts and sources of microplastics in the marine environment of south China Sea and Gulf of Thailand
A synthesis of published data on microplastics in the South China Sea and Gulf of Thailand identified the Pearl River and Mekong River as major plastic inputs, with the Gulf of Thailand showing medium plastic abundance levels, and called for improved management strategies for these sensitive regions.
Occurrence, distribution and sources of microplastics in beach sediments of Miri coast, NW Borneo
Researchers characterized microplastic pollution in the surface sediments of 10 European rivers, detecting particles at all sites with concentrations ranging from 14 to 895 particles per kilogram of dry sediment. Urban rivers showed the highest contamination levels.