Using unsupervised machine learning models to drive groundwater chemistry and associated health risks in Indo-Bangla Sundarban region

Chemosphere, Год журнала: 2024, Номер 351, С. 141217 - 141217

Опубликована: Янв. 20, 2024

Язык: Английский

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Radiological impact of ship-breaking operations and container depot explosions on Sitakunda coast, Chattogram, Bangladesh: implications for public health

International Journal of Environmental & Analytical Chemistry, Год журнала: 2025, Номер unknown, С. 1 - 26

Опубликована: Янв. 2, 2025

Ship-breaking on Bangladesh's Sitakunda coast, the world's second-largest site, releases residual radioisotopes and trace metals, causing continuous radioactive pollution. Thirty soil samples from ship-breaking yards nearby areas, including a recent explosion were meticulously analysed for first time. The results unveiled notable levels of radionuclides, with activity concentrations 226Ra ranging 13 ± 1 to 37 3 Bq/kg (mean: 22 Bq/kg), 232Th 21 2 47 4 35 40K 220 19 590 55 438 Bq/kg). highest recorded values outdoor absorbed dose rate (66.85 nGy/h) annual effective (0.48 mSv) exceed internationally recognised safety thresholds. This study aims provide baseline data radiological mapping monitoring ensure regulatory compliance upcoming nuclear power initiatives address public health concerns in region.

Язык: Английский

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Monitoring of drainage system and waterlogging area in the human-induced Ganges-Brahmaputra tidal delta plain of Bangladesh using MNDWI index

Heliyon, Год журнала: 2023, Номер 9(6), С. e17412 - e17412

Опубликована: Июнь 1, 2023

Waterlogging is one of the major global problems which affects agro-economic activities around world. In coastal areas Bangladesh, especially southwestern coast, drainage congestion and waterlogging are very common makes area uninhabitable. Therefore, timely checking systems surface water, conveying data on dynamics drainages water important for plan supervisory processes. The present study took an effort to illustrate morphological change rivers in coast Bangladesh through Modification Normalized Difference Water Index (MNDWI) values valuable indicators monitoring land use pattern change. Landsat images (Landsat L8 Oli TIRS, ETM+, TM) were used research. reveals that from 1989 2020, shallow (mostly covered with rivers) decreased by ∼14.30 km2 yr-1, whereas wet-land beels logging areas) increased ∼ 67.12 yr-1. bare also at a rate 36.90 On other hand, green vegetation ∼166.1 moderate 69.77 yr-1 same period. zones polders, embankments, upstream dams, etc., enhance more sedimentation within channels rather than nearby tidal plains. As result, mostly gradually decreasing. Moreover, due increase salinity intrusions affect vegetation. regularly declining demolition or conversion findings research will be supportive scientists worldwide, policy makers & planners, finally sustainable management including Bangladesh.

Язык: Английский

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A pioneering study of the radiological mapping in the world's largest mangrove forest (the Sundarbans) and implications for the public and environment

Marine Pollution Bulletin, Год журнала: 2024, Номер 202, С. 116349 - 116349

Опубликована: Апрель 10, 2024

Язык: Английский

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The coastal dynamics of the Central Ganges–Brahmaputra–Meghna Delta Coast, Bangladesh: implications for coastal development and sustainability

Journal of Coastal Conservation, Год журнала: 2024, Номер 28(1)

Опубликована: Янв. 18, 2024

Язык: Английский

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Optimizing coastal groundwater quality predictions: A novel data mining framework with cross-validation, bootstrapping, and entropy analysis

Journal of Contaminant Hydrology, Год журнала: 2024, Номер 269, С. 104480 - 104480

Опубликована: Дек. 10, 2024

Язык: Английский

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Multispectral Satellite Image Analysis for Computing Vegetation Indices by R in the Khartoum Region of Sudan, Northeast Africa

Journal of Imaging, Год журнала: 2023, Номер 9(5), С. 98 - 98

Опубликована: Май 11, 2023

Desertification is one of the most destructive climate-related issues in Sudan-Sahel region Africa. As assessment desertification possible by satellite image analysis using vegetation indices (VIs), this study reports on technical advantages and capabilities scripting 'raster' 'terra' R-language packages for computing VIs. The test area which was considered includes confluence between Blue White Niles Khartoum, southern Sudan, northeast Africa Landsat 8-9 OLI/TIRS images taken years 2013, 2018 2022, were chosen as datasets. VIs used here are robust indicators plant greenness, combined with coverage, essential parameters environmental analytics. Five calculated to compare both status dynamics through differences collected within nine-year span. Using scripts visualising over Sudan demonstrates previously unreported patterns reveal climate-vegetation relationships. ability R process spatial data enhanced automate mapping, choosing case enables us present new perspectives processing.

Язык: Английский

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Advancing application of satellite remote sensing technologies for linking atmospheric and built environment to health

Frontiers in Public Health, Год журнала: 2023, Номер 11

Опубликована: Ноя. 15, 2023

Background The intricate interplay between human well-being and the surrounding environment underscores contemporary discourse. Within this paradigm, comprehensive environmental monitoring holds key to unraveling connections linking population health exposures. advent of satellite remote sensing (SRSM) has revolutionized traditional constraints, particularly limited spatial coverage resolution. This innovation finds profound utility in quantifying land covers air pollution data, casting new light on epidemiological geographical investigations. dynamic application reveals web connecting public health, pollution, built environment. Objective review navigates evolving trajectory SRSM technology, its role addressing geographic issues. discussion hones how recently magnified our understanding relationship pollutant exposure health. Additionally, discourse delves into challenges stemming from shifts urban morphology. Methods Utilizing strategic keywords “SRSM,” “air risk,” “built environment,” an exhaustive search unfolded across prestigious databases including China National Knowledge Network (CNKI), PubMed Web Science. Citespace tool further unveiled interconnections among resultant articles research trends. Results Synthesizing insights a myriad spanning 1988 2023, findings unveil SRMS bridges gaps ground-based through continuous observations, empowering global quality surveillance. High-resolution advances data precision, capturing multiple impact factors. Its promise as pioneering for research. Conclusion SRSM’s pivotal enriching studies, atmospheric domains. study illuminates overcomes resolution loss hurdles, tools datasets. path forward envisions integration cutting-edge technologies, novel explorations urban-public associations, enriched assessment characteristics well-being.

Язык: Английский

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Human exposures to multiple water sources in the southwestern coastal region of Bangladesh: water quality, pollution sources, and preliminary health risks appraisals

Environmental Science and Pollution Research, Год журнала: 2023, Номер 30(37), С. 88132 - 88154

Опубликована: Июль 12, 2023

Язык: Английский

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Integrating a Centrifugal Extraction and Pipeline Transportation System to Improve Efficiency in Shrimp Harvesting Management

AgriEngineering, Год журнала: 2025, Номер 7(5), С. 128 - 128

Опубликована: Апрель 22, 2025

The integration of a centrifugal extraction and pipeline transportation system to improve efficiency in shrimp harvesting management into closed-pond aquaculture systems represents significant advancement technology. This study introduces assesses the harvester compared manual methods, examining key parameters such as quality, loss rates, speed. A particularly noteworthy aspect is innovative through pipeline, which enhances transformative potential this Results indicate that outperforms achieving an impressive yield rate 3338 kg/h with minimal 0.01%; trend values for capacity ranged from 0.501 1.884 tons per hour at 240 rpm, 2.391 3.081 270 3.338 3.816 300 rpm. While technology shows promise increasing productivity minimizing damage, further investigation needed evaluate its economic viability, including operational costs labor expenses. highlights emphasizes need ongoing research ensure practical application real-world settings. Overall, poised revolutionize practices, contributing more sustainable efficient production.

Язык: Английский

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