Search Results - "BARRA, Ricardo"

Toward Water Security (SDG 6) amidst the Climate and Water Crisis: Lessons from Chile by Rivera, Rayén, Leal, Carlos, Barra, Ricardo O.

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Analysis of the contribution of locally derived wastewater to the occurrence of Pharmaceuticals and Personal Care Products in Antarctic coastal waters by Perfetti-Bolaño, Alessandra, Muñoz, Katherine, Kolok, Alan S., Araneda, Alberto, Barra, Ricardo O.

“…Pharmaceuticals and Personal Care Products (PPCPs) are emerging pollutants detected in many locations of the world including Antarctica. The main objective of…”
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Assessing ammonium pollution and mitigation measures through a modified watershed non-point source model by Han, Feng, Tian, Qing, Chen, Nengwang, Hu, Zhaoping, Wang, Yao, Xiong, Rui, Xu, Peng, Liu, Wei, Stehr, Alejandra, Barra, Ricardo O., Zheng, Yi

“…•SWAT is modified to simulate NPS NH4+ pollution in the Jiulong River Watershed.•NPS inputs contribute about 15.3 % to 17.3 % of NH4+ load at watershed…”
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Groundwater Leaching Potential of Pesticides: A Historic Review and Critical Analysis by Araya, German, Perfetti-Bolaño, Alessandra, Sandoval, Marco, Araneda, Alberto, Barra, Ricardo O

“…We evaluated the main leaching indices that have been used for decades for the protection of groundwater against contamination by pesticides. We describe the…”
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Spatial and temporal distribution of Persistent Organic Pollutants and current use pesticides in the atmosphere of Argentinean Patagonia by Miglioranza, Karina S.B., Ondarza, Paola M., Costa, Patricia G., de Azevedo, Amaro, Gonzalez, Mariana, Shimabukuro, Valeria M., Grondona, Sebastián I., Mitton, Francesca M., Barra, Ricardo O., Wania, Frank, Fillmann, Gilberto

“…XAD-based passive air samplers (PAS) were used to evaluate organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers…”
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Occurrence and Distribution of Microplastics in Soils and Intertidal Sediments at Fildes Bay, Maritime Antarctica by Perfetti-Bolaño, Alessandra, Araneda, Alberto, Muñoz, Katherine, Barra, Ricardo O.

“…Increased human activity on the Antarctic Peninsula has generated microplastic contamination in marine systems; however, less attention has been paid to soils…”
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Biotransport of persistent organic pollutants in the southern Hemisphere by invasive Chinook salmon (Oncorhynchus tshawytscha) in the rivers of northern Chilean Patagonia, a UNESCO biosphere reserve by Montory, Mónica, Habit, Evelyn, Fernandez, Pilar, Grimalt, Joan O., Kolok, Alan S., Barra, Ricardo O., Ferrer, Javier

“…•It is known that biotransport of POPs occurs by salmonids in the Northern Hemisphere.•Exotic Chinook salmon migrate from the Pacific Ocean to Chilean…”
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Key Principles for the Intergovernmental Science–Policy Panel on Chemicals and Waste by Ågerstrand, Marlene, Arinaitwe, Kenneth, Backhaus, Thomas, Barra, Ricardo O., Diamond, Miriam L., Grimalt, Joan O., Groh, Ksenia, Kandie, Faith, Kurt-Karakus, Perihan Binnur, Letcher, Robert J., Lohmann, Rainer, Meire, Rodrigo O., Oluseyi, Temilola, Schäffer, Andreas, Septiono, Mochamad, Sigmund, Gabriel, Soehl, Anna, Sogbanmu, Temitope O., Suzuki, Noriyuki, Venier, Marta, Vlahos, Penny, Scheringer, Martin

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Accelerating Environmental Research to Achieve Sustainable Development Goals by Mihelcic, James R., Barra, Ricardo O., Brooks, Bryan W., Diamond, Miriam L., Eckelman, Matthew J., MacDonald Gibson, Jacqueline, Guidotti, Sunny, Ikeda-Araki, Atsuko, Kumar, Manish, Maiga, Ynoussa, McConville, Jennifer, Miller, Shelly L., Pizarro, Valeria, Rosario-Ortiz, Fernando, Wang, Shuxiao, Zimmerman, Julie B.

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Environmental Research Addressing Sustainable Development Goals by Mihelcic, James R., Barra, Ricardo O., Brooks, Bryan W., Diamond, Miriam L., Eckelman, Matthew J., Gibson, Jacqueline MacDonald, Guidotti, Sunny, Ikeda-Araki, Atsuko, Kumar, Manish, Maiga, Ynoussa, McConville, Jennifer, Miller, Shelly L., Pizarro, Valeria, Rosario-Ortiz, Fernando, Wang, Shuxiao, Zimmerman, Julie B.

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A global-level assessment of gulls (Larus spp.) as bioindicators of trace elements in coastal ecosystems by Bahamonde, Paulina, Espejo, Winfred, Celis, Jose, Montes, Isis-Yelena, Barra, Ricardo O

“…Anthropogenic activities and the demand for trace elements have risen, causing an increase in their environmental levels, which could affect biota. High levels…”
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Passive-Sampler-Derived PCB and OCP Concentrations in the Waters of the WorldFirst Results from the AQUA-GAPS/MONET Network by Lohmann, Rainer, Vrana, Branislav, Muir, Derek, Smedes, Foppe, Sobotka, Jaromír, Zeng, Eddy Y., Bao, Lian-Jun, Allan, Ian J, Astrahan, Peleg, Barra, Ricardo O., Bidleman, Terry, Dykyi, Evgen, Estoppey, Nicolas, Fillmann, Gilberto, Greenwood, Naomi, Helm, Paul A., Jantunen, Liisa, Kaserzon, Sarit, Macías, J. Vinicio, Maruya, Keith A., Molina, Francisco, Newman, Brent, Prats, Raimon M., Tsapakis, Manolis, Tysklind, Mats, van Drooge, Barend L., Veal, Cameron J, Wong, Charles S.

“…Persistent organic pollutants (POPs) are recognized as pollutants of global concern, but so far, information on the trends of legacy POPs in the waters of the…”
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Distribution of PAHs and trace elements in Spartina densiflora and associated sediments from low to highly contaminated South American estuarine saltmarshes by Menone, Mirta L., Díaz-Jaramillo, Mauricio, Mitton, Francesca, Garanzini, Daniela S., Costa, Patricia Gomes, Lupi, Leonardo, Lukaszewicz, Germán, Gonzalez, Mariana, Jara, Solange, Miglioranza, Karina S.B., Fillmann, Gilberto, Barra, Ricardo O.

“…Estuarine saltmarshes from South America are exposed to several anthropogenic impacts due to diverse human activities that occur in both Atlantic/Pacific…”
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Endocrine Disruptor Impacts on Fish From Chile: The Influence of Wastewaters by Barra, Ricardo O, Chiang, Gustavo, Saavedra, Maria Fernanda, Orrego, Rodrigo, Servos, Mark R, Hewitt, L Mark, McMaster, Mark E, Bahamonde, Paulina, Tucca, Felipe, Munkittrick, Kelly R

“…Industrial wastewaters and urban discharges contain complex mixtures of chemicals capable of impacting reproductive performance in freshwater fish, called…”
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Interactive impact of residual pyrethroid compounds used in the Chilean salmon farming industry and coastal acidification conditions on the feeding performance of farmed mussels in northern Patagonia by Conejeros, Adonis, San Martin, Valeska A., Castillo, Nicole, Cuevas, L. Antonio, Garcés, Karen, Barra, Ricardo O., Aguilera, Victor M., Vargas, Cristian A.

“…The use of pyrethroids in aquaculture has been an important component of achieving a thriving salmon farming industry in Chile. While the residual presence of…”
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Development of an analytical methodology for the determination of organochlorine pesticides by ethylene-vinyl acetate passive samplers in marine surface waters based on ultrasound-assisted solvent extraction followed with headspace solid-phase microextraction and gas chromatography-tandem mass spectrometry by Cárdenas-Soracá, Diana M., Tucca, Felipe I., Mardones-Peña, Claudia A., Barra-Ríos, Ricardo O.

“…•An UASE-HS-SPME method to extract OCP from EVA sampler was optimized.•The main extraction factors were salting out, temperature and extraction time.•20 OCPs…”
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Toward the next generation of air quality monitoring: Persistent organic pollutants by Hung, Hayley, MacLeod, Matthew, Guardans, Ramon, Scheringer, Martin, Barra, Ricardo, Harner, Tom, Zhang, Gan

“…Persistent Organic Pollutants (POPs) are global pollutants that can migrate over long distances and bioaccumulate through food webs, posing health risks to…”
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In-situ calibration of a microporous polyethylene passive sampling device with polar organic micropollutants in the Chillan River, central Chile by Cárdenas-Soracá, Diana M., Barra-Ríos, Ricardo O., Mueller, Jochen F., Hawker, Darryl W., Kaserzon, Sarit L.

“…•In-situ calibration of MPT with WAX sorbent for pesticides and pharmaceuticals.•First calibration of MPT device with time-varying analyte levels and water…”
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Assessment of water quality trends through the application of an aggregated water quality index with historical monitored data in a Mediterranean Andean basin by González, Pablo S., Stehr, Alejandra, Barra, Ricardo O.

“…[Display omitted] •Data from state agencies provide valuable information for assessing water quality.•It is possible to evaluate water quality over time with…”
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Passive-Sampler Derived Air Concentrations of Persistent Organic Pollutants on a North−South Transect in Chile by Pozo, Karla, Harner, Tom, Shoeib, Mahiba, Urrutia, Roberto, Barra, Ricardo, Parra, Oscar, Focardi, Silvano

“…Passive air samplers consisting of polyurethane foam (PUF) disks, were deployed in six locations in Chile along a north−south transect to investigate gas-phase…”
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