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Sea Surface Wind Structure in the Outer Region of Tropical Cyclones Observed by Wave Gliders

Journal of Geophysical Research: Atmospheres 2023年第3期128卷 e2022JD037235-e2022JD037235页

作者： Tian, Di Zhang, Han Wang, Shuai Zhang, Wenyan Sun, Xiujun Zhou, Ying Zheng, Gang Jiang, Han Yang, Shili Zhou, Feng State Key Laboratory of Satellite Ocean Environment Dynamics Second Institute of Oceanography Ministry of Natural Resources Hangzhou China Observation and Research Station of Yangtze River Delta Marine Ecosystems Ministry of Natural Resources Zhoushan China Key Laboratory of Ocean Space Resource Management Technology Ministry of Damage the Coastal Ecosystem Natural Resources Marine Academy of Zhejiang Province Hangzhou China Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) Zhuhai China Program in Atmospheric and Oceanic Sciences Princeton University Princeton NJ United States Institute of Coastal Systems - Analysis and Modeling Helmholtz-Zentrum Hereon Geesthacht Germany Physical Oceanography Laboratory Ocean University of China Qingdao China Institute for Advanced Ocean Study Ocean University of China Qingdao China Beijing Meteorological Observation Centre Beijing Meteorological Bureau Beijing China Ocean College Zhejiang University Zhoushan China

Understanding the sea surface wind structure during tropical cyclones (TCs) is the key for study of ocean response and parameterization of air-sea surface in numerical simulation. However, field observations are scarce. In 2019, three wave gliders were deployed in the South China Sea and the adjacent Western Pacific region, which acquired sea surface wind structure of eight TCs. Analysis of the field data suggests that the wave glider-observed surface winds are consistent with most analysis/reanalysis data (i.e., ERA5, Cross-Calibrated Multi-Platform, and National Centers for Environmental Prediction-Global Data Assimilation System) and Soil Moisture Active Passive. Both wave glider observations and analysis/reanalysis data indicate that TC wind fields induce an obvious increase in speed toward the sea surface together with a sharp change in direction, showing an asymmetric wind structure which is sensitive to TC translation speed and intensity. Larger mean values of wind speed and inflow angle are located on the right side along TC tracks. The inflow angle shows a highly dynamic dependence on the radial distance from the TC center, the TC intensity, as well as the TC-relative azimuth. Comparisons between field observations and theoretical models indicate that the most widely used, ideal TC wind profile models can largely represent the observed sea surface wind structure, but generally underestimate the wind speed due to lack of consideration of background wind. Moreover, simple ideal models (e.g., the modified Rankine vortex model) may outperform complex models when accurate information of TCs is limited. Wave glider observations have potential for better understanding of air-sea exchanges and for improvements of the corresponding parameterization schemes. © 2023. American Geophysical Union. All Rights Reserved.

关键词： ideal wind model inflow angle sea surface wind tropical cyclone wave glider

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Social vulnerability: A driving force in amplifying the overall vulnerability of protected areas to natural hazards

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Heliyon 2025年第4期11卷 e42617页

作者： Pirasteh, Saied Mafi-Gholami, Davood Li, Huxiong Wang, Tao Zenner, Eric K. Nouri-Kamari, Akram Frazier, Tim G. Ghaffarian, Saman Institute of Artificial Intelligence Shaoxing University 508 West Huancheng Road Yuecheng District Zhejiang Province Shaoxing 312000 China Department of Geotechnics and Geomatics Saveetha School of Engineering Saveetha Institute of Medical and Technical Sciences Tamilnadu Chennai India Department of Forest Sciences Faculty of Natural Resources and Earth Sciences Shahrekord University Shahrekord *** Iran Metrology Research Group Quality Assessment and Management Systems Research Center Standard Research Institute PO Box 31585-163 Alborz Karaj Iran Department of Ecosystem Science and Management The Pennsylvania State University Forest Resources Building University Park 16802 PA United States Department of Geography Education Farhangian University Tehran Iran Emergency and Disaster Management Program School of Continuing Studies (SCS) Georgetown University Washington DC United States Institute for Risk and Disaster Reduction University College London United Kingdom

Incorporating social vulnerability (SoV) into vulnerability assessments for protected areas provides critical insights for enhancing the resilience and adaptability of these regions to environmental hazards. This study aimed to develop and apply an integrated social-ecological vulnerability assessment framework for a forest-protected area, focusing on scales relevant to management decisions. We collected data from 70 villages within the protected area through structured surveys, interviews, and reviews of secondary socio-economic and environmental datasets. A total of 24 socio-economic and environmental indicators were selected, based on expert consultation and literature review, to quantify the indices of exposure, sensitivity, adaptive capacity, and SoV. These indicators were weighted using the Fuzzy Analytical Hierarchy Process (FAHP) to ensure objective and expert-driven prioritization. Subsequently, the SoV index, derived from socio-economic metrics, was incorporated as a key variable in the exposure assessment. This integration involved 18 additional ecological indicators measured across a spatial grid, enabling a fine-scale analysis of the protected area's exposure, sensitivity, adaptive capacity, and overall vulnerability. Integrating social and ecological dimensions allowed for a spatially explicit evaluation of vulnerability at the grid-cell level, providing granular insights for localized management interventions. The results revealed that SoV significantly influenced the levels of exposure and overall vulnerability across the study area. High SoV values corresponded to areas with elevated overall vulnerability, emphasizing the interplay between social conditions and ecological risks. To enhance resilience in the medium and long term, the study recommends shifting investments toward active community engagement in conservation planning, increasing environmental awareness through education programs, and improving the socio-economic well-being of local commu

关键词： Environmental hazard resilience FAHP Integrated social-ecological framework and vulnerability assessment Protected area management Spatial pattern

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Plant-Zno Nanoparticles Interaction: An Approach to Improve Guinea Grass (Panicum Maximum) Productivity and Evaluation of the Impacts of its Ingestion by Freshwater Teleost Fish

SSRN

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SSRN 2023年

作者： Gomes, Alex Rodrigues de Matos, Letícia Paiva Batista Guimarães, Abraão Tiago Freitas, Ítalo Nascimento da Luz, Thiarlen Marinho Silva, Abner Marcelino da Silva Matos, Stênio Gonçalves de Lima Rodrigues, Aline Sueli de Oliveira Ferreira, Raíssa Towfiqul Islam, Abu Reza Md. Rahman, Md. Mostafizur Ragavendran, Chinnasamy Kamaraj, Chinnaperumal Mubarak, Nabisab Mujawar Arias, Andrés Hugo Silva, Fabiano Guimarães Malafaia, Guilherme Laboratory of Toxicology Applied to the Environment Goiano Federal Institute GO Urutaí Brazil Post-Graduation Program in Ecology Conservation and Biodiversity Federal University of Uberlândia MG Uberlândia Brazil Post-Graduation Program in Agronomy Goiano Federal Institute Campus Rio Verde GO Brazil Post-Graduation Program in Conservation of Cerrado Natural Resources Goiano Federal Institute GO Urutaí Brazil Begum Rokeya University Department of Disaster Management Rangpur5404 Bangladesh Laboratory of Environmental Health and Ecotoxicology Department of Environmental Sciences Jahangirnagar University Dhaka1342 Bangladesh Chennai India Tamil Nadu Kattankulathur603203 India Petroleum and Chemical Engineering Faculty of Engineering Universiti Teknologi Brunei Bandar Seri Begawan Brunei DarussalamBE1410 Brunei Argentina Post-Graduation Program in Biotechnology and Biodiversity Federal University of Goiás GO Goiânia Brazil Brazil

We aimed to evaluate the possible effects of the application of ZnO NPs (in the substrate, at 100 and 500 mg/kg) in the cultivation of Panicum maximum (Guinea grass), using biometric, morphological, biochemical, and productivity biomarkers in addition to evaluating the uptake of Zn by the plants. Furthermore, we assessed the possible transfer of ZnO NPs from P. maximum leaves to zebrafish and their effects on the health of the animals. Plants cultivated in substrates enriched with ZnO NPs at 500 mg/kg showed a lower germination rate and affected germination and plant growth. However, P. maximum grown on substrate enriched with ZnO NPs (at 100 mg/kg) showed higher biomass and productivity, associated with higher Zn uptake, without inducing redox imbalance and nitrosative stress. PCA analysis and cluster analysis confirmed the differential performance of the crop in substrate containing ZnO NPs at 100 mg/kg. Zinc content in zebrafish was not associated with ingesting leaves of P. maximum in substrate containing ZnCl2 or ZnO NPs or with genotoxic, mutagenic, and biochemical effects. In conclusion, ZnO NPs (at 100 mg/kg) are promising in the cultivation of P. maximum, and their ingestion by zebrafish did not cause significant ecotoxicological effects from the evaluated biomarkers. © 2023, The Authors. All rights reserved.

关键词： II-VI semiconductors

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Preparation of tungsten trioxide/graphene oxide/ hydroxyapatite (WO₃/GO/HAp) for photocatalytic removal of methylene blue under visible light

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Case Studies in Chemical and Environmental engineering 2024年 10卷

作者： Mizar, Khalid Mulyati, Sri Aprilia, Sri Aulia, Muhammad Prayogie Arahman, Nasrul Postgraduate School of Engineering Studies Universitas Syiah Kuala Banda Aceh 23111 Indonesia Graduate School of Environmental Management Universitas Syiah Kuala Jl. Tgk. Chik Pante Kulu No. 5 Darussalam Banda Aceh 23111 Indonesia Graduate School of Science and Engineering Kobe University Rokkodai Cho Nada Ku Hyogo Kobe Japan Atsiri Research Center PUI Universitas Syiah Kuala Jl. Syeh A Rauf No. 5 Darussalam Banda Aceh 23111 Indonesia Research Center for Environmental and Natural Resources Universitas Syiah Kuala Jl. Hamzah Fansuri No. 4 Darussalam Banda Aceh 23111 Indonesia

The textile industry is one of the leading contributors of liquid waste in the form of synthetic dyes, which significantly contaminate water sources. Heterogeneous photocatalysts employ semiconductors that trigger photocatalytic processes with the assistance of UV or visible light to degrade waste. Tungsten trioxide (WO₃) is a potential semiconductor with a small band gap (2.8 eV) that absorbs visible light. WO₃ was combined with graphene oxide (GO) and hydroxyapatite (HAp) to exploit the ultrasonication method to degrade methylene blue (MB) dye. The results of the SEM-EDX characterization confirm the constituent elements of the WO₃/GO/HAp material. The chemical elements were confirmed by energy-dispersive X-ray spectroscopy. The ability of the original and modified WO₃ photocatalysts (WO₃/HAp, WO₃/GO and WO₃/GO/HAp) to degrade 15 ppm of 50 ml of MB solution at concentrations of 10, 15, and 20 mg for 4 h under visible light was investigated. The breakdown of the methylene blue dye demonstrated that the reaction speed followed a first-order pattern. Meanwhile the adsorption isotherm better fit Langmuir for WO₃/GO and WO₃/GO/HAp. The highest pollutant degradation was achieved using 20 mg WO₃/GO and WO₃/GO/HAp photocatalysts, which achieved efficiencies of 99.1 % and 98.3 %. These results confirm that the WO₃/HAp;WO₃/GO, and WO₃/GO/HAp hybrid photocatalysts exhibit better degradation performance than unmodified WO₃ photocatalysts. Additionally, these photocatalysts can be reused up to three times without experiencing substantial loss in effectiveness. © 2024 The Authors

关键词： Antifouling Photocatalytic degradation Wastewater treatment

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Analysis study and experiments SEM-EDS of particles and porosity of empty fruit bunches

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Case Studies in Chemical and Environmental engineering 2024年 9卷

作者： Erdiwansyah Gani, Asri Desvita, Hera Mahidin Viena, Vera Mamat, Rizalman Sardjono, Ratnaningsih Eko Faculty of Engineering Universitas Serambi Mekkah Banda Aceh 23245 Indonesia Department of Chemical Engineering Universitas Syiah Kuala Banda Aceh 23111 Indonesia Oil Palm and Coconut Research Center Universitas Syiah Kuala Banda Aceh 23111 Indonesia Department of Natural Resources and Environmental Management Universitas Serambi Mekkah Banda Aceh 23245 Indonesia Research Center for Chemistry National Research and Innovation Agency B.J. Habibie Science and Techno Park Serpong Banten South Tangerang 15314 Indonesia Department of Environment Engineering Universitas Serambi Mekkah Banda Aceh 23245 Indonesia Centre for Automotive Engineering Universiti Malaysia Pahang Pekan 26600 Malaysia Chemistry Program Universitas Pendidikan Indonesia Setiabudi 229 Bandung 40154 Indonesia

Palm oil biomass waste has a high energy value and can be converted into fuel. However, the high ash content from burning biomass waste is undesirable. This research aims to analyze the porosity values and length of particles from empty-fruit-bunches biomass samples different treatments. Analysis of the porosity and particle length of empty fruit bunches is the latest in this research. The analysis results show that the R-Square value with the regression model for each sample is (raw 0.88375, flowrate 1L/sec 0.99997, and temperature 30 °C 0.99996). Meanwhile, porosity value of each sample (raw 84.55 %, flowrate 1L/sec 89.08%, temperature 30 °C 88.50 %). © 2024 The Authors

关键词： Biocoke fuel Energy production Experimental analysis SEM-EDS Sustainable fuel

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Monitoring of water quality and plankton composition in Porong Estuary, Sidoarjo

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AIP Conference Proceedings 2025年第1期3186卷

作者： Uun Yanuhar Muhammad Musa Heru Suryanto Nur Sakinah Junirahma Nico Rahman Caesar Aquatic Resources Management Faculty of Fisheries and Marine Sciences Brawijaya University Malang Jl. Veteran Malang 65145 Indonesia Department of Mechanical Engineering Faculty of Engineering Universitas Negeri Malang Malang 65145 Indonesia Master Program of Aquaculture Faculty of Fisheries and Marine Science University of Brawijaya Jl. Veteran Malang 65145 Indonesia Doctoral program of Environmental Science Postgraduate Program University of Brawijaya Jl. Veteran Malang 65145 Indonesia

Disposal of Lapindo mud which carries nutrients and other dissolved organic matter into the Porong estuary, can cause the death of aquatic organisms due to high contamination and disturbance of aquatic ecosystems. The presence of phytoplankton can explain the current condition of the Porong Estuary. The purpose of this study was to report the water quality and plankton composition of the Porong estuary. The method used in this study is a descriptive survey method. Determination of sampling points using the appropriate sampling method at three stations. The research variables observed included water quality parameters such as temperature, total dissolved solids (TDS), total suspended solids (TSS), total organic matter (TOM), pH, dissolved oxygen (DO), carbon dioxide (CO2), biological oxygen demand (BOD), nitrate, ammonia, orthophosphate, salinity and observations of phytoplankton in water bodies. The water quality values at stations 1, 2, and 3 respectively for TSS, pH, DO, BOD, TOM, nitrate, ammonia, orthophosphate shows a less than optimal value. Water conditions based on plankton abundance 24,678 cells/mL, 44,904 cells/mL, 18,312 cells/mL were eutrophic. The average of water quality parameters classified as less than optimal. Relatively, station 1 is the station with the best conditions between stations 2 and 3.

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Structure and functional group of CuO nanoparticle-reinforced osmosis membrane based on bacterial cellulose from Sargassum sp. extract

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AIP Conference Proceedings 2024年第1期3110卷

作者： Uun Yanuhar Heru Suryanto Muhamad Amin Jibril Maulana Nico Rahman Caesar Department of Aquatic Resources Management Faculty of Fisheries and Marine Science Brawijaya University Jl. Veteran Malang Indonesia Department of Mechanical Engineering Faculty of Engineering Universitas Negeri Malang Malang Indonesia Department of Aquaculture Faculty of Fisheries and Marine Universitas Airlangga Surabaya Indonesia Doctoral Program of Environmental Science Postgraduate School Brawijaya University Malang Indonesia

Osmosis membranes have been widely used in industries for water purification, wastewater treatment, and biomedical applications. However, the current membranes still have some drawbacks, such as water flow resistance and vulnerability to fouling. Therefore, the development of more efficient and durable osmosis membranes is highly necessary. In this research, the researchers used bacterial nanocellulose extracted from Sargassum sp. as a material for producing more efficient osmosis membranes. The methods used in this study were experiments with two treatments: (1) control, and (2) Bacterial cellulose with a concentration of 1.0 wt% CuO nanoparticles. The nanocellulose was produced using a high-pressure homogenizer, followed by the synthesis of acetate nanocellulose and characterization of the nanocomposite membrane functionalized with CuO nanoparticles. The membranes were characterized using FTIR and XRD analysis. Bacterial cellulose from seaweed was successfully formed with a thickness of 1-3 cm. The results of the characterization analysis showed that the formed bacterial cellulose belonged to Cellulose type I with a crystalline degree ranging from 88.7% to 85.7%. The dry osmosis membranes were analyzed based on their functional groups using FTIR. The analysis revealed changes in transmittance at the peaks of O-H at wavenumbers 3122-3414 and Cu-O at wavenumber 424-673, resulting from the addition of CuO nanoparticles and causing changes in the value of the O-H bond in bacterial cellulose.

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Determinant of importance-performance and willingness to participate in Komodo adaptive conservation programs

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Journal for Nature Conservation 2024年 81卷

作者： Sianipar, Imelda Masni Juniaty Lee, Chun-Hung Wang, Hurng-Jyuhn Kim, Doo-Chul Suryawan, I Wayan Koko PhD Student in Asia-Pacific Regional Studies College of Humanities and Social Sciences National Dong Hwa University Department of International Relations Faculty of Social Science and Political Science Universitas Kristen Indonesia Department of Natural Resources and Environmental Studies College of Environmental Studies and Oceanography National Dong Hwa University Program in Asia-Pacific Regional Studies College of Humanities and Social Sciences National Dong Hwa University Department of Rural Environment Management Graduate School of Environmental and Life Science Okayama University Ph.D Program in Asia-Pacific Regional Studies College of Humanities and Social Sciences National Dong Hwa University Department of Environmental Engineering Faculty of Infrastructure Planning Universitas Pertamina Jalan Sinabung II Terusan Simprug

This study delves into the evaluation of the Komodo dragons Adaptive Conservation program (KACP) at Komodo National Park in Indonesia through Importance-Performance Analysis (IPA). It aims to understand how the programs components align with community priorities and assess its effectiveness. Utilizing a mixed-methods approach, this research analyzes community perceptions of KACP's critical elements, spanning eco-tourism initiatives to environmental protection strategies. The community is categorized into local advocates, eco-tourism enthusiasts, and eco-community harmonizers, identifying how each group perceives and interacts with various facets of KACP. The findings reveal significant differences in perceptions of importance and performance among these groups, providing insights into areas of strength and those needing improvement. Additionally, the study includes an analysis of demographic influences on these perceptions through Logit and Probit models, aiming to understand the impacts across different community segments. The results highlight the necessity for an adaptive and responsive design in conservation efforts, considering community expectations and ecological impacts. Despite offering comprehensive insights, the study acknowledges limitations in the demographic scope and suggests future research directions, such as longitudinal studies and an expanded analysis of variables. These findings offer critical guidance for policymakers and conservation practitioners to enhance conservation programs’ effectiveness and community alignment, emphasizing the need to adapt to the challenges and changes introduced by KACP. © 2024 Elsevier GmbH

关键词： Adaptive capacity Community perception Conservation strategy evaluation Importance-performance analysis Protected areas

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First Report on the Toxicity of SARS-CoV-2, Alone and in Combination with Polyethylene Microplastics in Neotropical Fish

SSRN

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SSRN 2023年

作者： de Oliveira Ferreira, Raíssa Batista Guimarães, Abraão Tiago da Luz, Thiarlen Marinho Rodrigues, Aline Sueli de Lima Towfiqul Islam, Abu Reza Md. Rahman, Md. Mostafizur Ragavendran, Chinnasamy Kamaraj, Chinnaperumal Charlie-Silva, Ives Durigon, Edison Luiz Braz, Helyson Lucas Bezerra Arias, Andrés Hugo Santiago, Omar Cruz Barceló, Damià Malafaia, Guilherme Laboratory of Toxicology Applied to the Environment Goiano Federal Institute GO Urutaí Brazil Post-Graduation Program in Conservation of Cerrado Natural Resources Goiano Federal Institute GO Urutaí Brazil Begum Rokeya University Department of Disaster Management Rangpur5404 Bangladesh Laboratory of Environmental Health and Ecotoxicology Department of Environmental Sciences Jahangirnagar University Dhaka1342 Bangladesh Chennai India Tamil Nadu Kattankulathur603203 India Campus Araraquara Brazil Laboratory of Clinical and Molecular Virology Institute of Biomedical Sciences University of São Paulo Brazil Laboratory of Toxicology Federal University of Ceará Brazil Argentina Multidisciplinary Postgraduate Program for Environmental Sciences Universidad Autónoma de San Luis Potosí Mexico H2O Building Scientific and Technological Park the University of Girona Emili Grahit 101 Girona17003 Spain Post-Graduation Program in Ecology Conservation and Biodiversity Federal University of Uberlândia MG Uberlândia Brazil Post-Graduation Program in Biotechnology and Biodiversity Federal University of Goiás GO Goiânia Brazil

We aimed to evaluate the possible ecotoxicological effects of exposure of male adults Poecilia reticulata, for 15 days, to inactivated SARS-CoV-2 (0.742 ng/L) and polyethylene PM (PE MPs) (7.1 x 104 particles/L), alone and in combination, from multiple biomarkers. Our data suggest that exposure to SARS-CoV-2 induced behavioral changes, nephrotoxic effect, hepatotoxic effect, imbalance in the homeostasis of Fe, Ca, and Mg, as well as an anticholinesterase effect in the animals [marked by the reduction of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE activity]. On the other hand, exposure to PE MPs induced a genotoxic effect (assessed by the comet assay), as well as an increase in enzyme activity alpha-amylase, alkaline phosphatase, and carboxylesterases. However, we did not show synergistic, antagonistic, or additive effects caused by the combined exposure of P. reticulata to SARS-CoV-2 and PE MPs. Principal component analysis (PCA) and values from the "Integrated Biomarker Response" index indicate that exposure to SARS-CoV-2 was determinant for a more prominent effect in the evaluated animals. Therefore, our study sheds light on the ecotoxicity of the new coronavirus in non-target organisms and ratifies the need for more attention to the impacts of COVID-19 on aquatic biota. © 2023, The Authors. All rights reserved.

关键词： Coronavirus

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Leading sector analysis in West Kotawaringin Regency, Central Kalimantan Province, Indonesia 1

Leading sector analysis in West Kotawaringin Regency, Centra...

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1st International Seminar on natural resources and Environmental management 2019, ISeNREM 2019

作者： Sutrisna, M.G. Sitorus, S.R.P. Widiatmaka Marimin Nurwajedi Natural Resources and Environmental Management Program Study Postgraduate School IPB University Bogor Indonesia Dept. of Soil Science and Land Resources IPB University Bogor Indonesia Dept. of Agricultural Industral Technology IPB University Bogor Indonesia Geospatial Information Agency Cibinong Indonesia

The balance between economic, social, and environmental aspects should be fulfilled in the planning of sustainable regional development. The main engine of regional economic development is the leading sector, which is characterized by strong linkage between forward and backward sectors. This research is intended to analyze leading sectors in West Kotawaringin Regency, Central Kalimantan Province. The data used is the 2012 IO (Input-output) table, analysed using the Input-Output analysis method. Result of the research indicates that the leading sectors of West Kotawaringin Regency are agriculture;transportation and communication;trade, hotel and restaurant;and processing industry. As for the 48 sector groups, for the agricultural sector are rubber, wood, and oil palm;transportation and communication sector are river, lake and harbor transportation, sea transportation, and air transportation;trade, hotel, and restaurant sector is hotels and restaurants followed by trade. The manufacturing sector is the processing and preservation, the building wood and the sawmill industry. © Published under licence by IOP Publishing Ltd.

关键词： Commerce

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