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Freitas, Ubiratan de
(2006)
Atividades de cultivos de camarão tendem a aumentar a taxa de sedimentação de matéria orgânica nos corpos hídricos receptores de seus efluentes, pela excessiva produção de produtos de excreção e sobras de ração. Dependendo ...
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Pagot, Mariana; Rodríguez, Andrés; Hillman, Gerardo; Corral, Mariano; Oroná, Cláudia; Niencheski, Luis Felipe Hax
(2007)
This paper presents the results of satellite-image digital processing. The area of study covered Patos Lagoon (southern Brazil). Suspended matter distribution was used as conservative traces. Circulation patterns and their ...
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Baumgarten, Maria da Graça Zepka; Niencheski, Luis Felipe Hax; Martins, Bianca Alves Dias
(2005)
O Saco do Justino é uma enseada rasa do estuário da Lagoa dos Patos. É viveiro de espécies de peixes e crustáceos comercializáveis e apresenta proliferação de vegetais submersos, indicando alta produtividade. Como nessa ...
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Rodríguez, Andrés; Corral, Mariano; Oroná, Cláudia; Hillman, Gerardo; Pagot, Mariana; Sierra, Joan Pau; Niencheski, Luis Felipe Hax
(2007)
Mangueira Bay is located in southern Brazil (between 30_ and 32_ south latitude). It is a significant regional resource that lends itself to activities such as tourism, fishing, and fish and shellfish breeding. Studies ...
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Pereira, Régis da Silva; Pinto, Waldir Terra; Niencheski, Luis Felipe Hax; Vitola, Marcelo Araujo
(2004)
Em agosto de 1998, o navio tanque Bahamas aportou em Rio Grande transportando ácido sulfúrico concentrado. Devido a problemas operacionais, a água inundou os tanques misturando-se com o ácido, produzindo uma mistura ácida, ...
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Paiva, Mariele Lopes de
(2014)
Uma fonte significativa de elementos dissolvidos para o Oceano Atlântico, via descarga de água subterrânea, pode ser efetuada pelos Sistemas Aquíferos Guarani (GAS) e Serra Geral (SASG) através da infiltração de suas águas ...
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Niencheski, Luis Felipe Hax; Windom, Herbert Lynn; Moore, Willard Sean; Jahnke, Richard
(2007)
The Patos–Mirim Lagoon system along the southern coast of Brazil is linked to the coastal ocean by a narrow mouth and by groundwater transport through a Holocene barrier. Although other groundwater systems are apparently ...
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Attisano, Karina Kammer; Santos, Isaac Rodrigues dos; Andrade, Carlos Francisco Ferreira de; Paiva, Mariele Lopes de; Milani, Idel Cristiana Bigliardi; Niencheski, Luis Felipe Hax
(2013)
Submarine Groundwater Discharge (SGD) has been recognized as an important component of the
ocean-continent interface. The few previous studies in Brazil have focused on nearshore areas. This
paper explores SGD on the ...
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Windom, Herbert; Moore, Willard Sean; Niencheski, Luis Felipe Hax; Jahnke, Richard
(2006)
This paper reports the initial results of a study of groundwater and coastal waters of southern Brazil adjacent to a 240 km barrier spit separating the Patos Lagoon, the largest coastal lagoon in South America, from the ...
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Mirlean, Nicolai; Baraj, Besnik; Niencheski, Luis Felipe Hax; Baisch, Paulo Roberto Martins; Robinson, Daniel
(2001)
In August of 1998 the tanker BAHAMAS belonging to the Chem Oil Company containing 12 000 t of concentrated sulphuric acid, had an accident on board, after which estuarine water entered one of the compartments of the tanker, ...
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Fernandes, Elisa Helena Leão; Dyer, Keith Richard; Möller Junior, Osmar Olinto; Niencheski, Luis Felipe Hax
(2002)
TELEMAC-2D, a two-dimensional depth-averaged finite element flow model, has been chosen for modelling the hydrodynamics of the Patos Lagoon during the 1998 El Ni*no event. The model is initially calibrated against measurements ...
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Windom, Herbert; Niencheski, Luis Felipe Hax; Wells, Debbie; Brandes, Jay
(2012)
Previous studies in the Amazon Basin and the Upper Pantanal show widespread mercury contamination of fish and water as a result of gold mining, and subsequent volatilization of mercury during the recovery process. A study ...
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Baraj, Besnik; Niencheski, Luis Felipe Hax; Windom, Herbert; Hermanns, Luciano
(2009)
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Baraj, Besnik; Niencheski, Luis Felipe Hax; Corradi, Celso Elias
(2003)
The concentration assessment of Hg, Pb, Cd, Cu, Zn, Cr, Mn and Fe in marine mussels
Perna perna, sampled at 15 stations along the 800 km Southern Brazilian Coast, has been carried out. Samplings were taken twice, in summer ...
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Santos, Isaac Rodrigues dos; Niencheski, Luis Felipe Hax; Burnett, William C.; Peterson, Richard; Chanton, Jeffrey; Andrade, Carlos Francisco Ferreira de; Milani, Idel Cristiana Bigliardi; Schmidt, Axel; Knöller, Kay
(2008)
We investigated the distribution of naturally occurring geochemical tracers (222Rn, 223Ra, 224Ra, 226Ra, CH4, d18O, and d2H) in the water column and adjacent groundwater of Mangueira Lagoon as proxies of groundwater ...
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Windom, Herbert; Smith, Ralph; Niencheski, Luis Felipe Hax; Alexander, Clark
(2000)
Data for uranium concentrations in 29 rivers and eight estuaries are presented. The river data expands the existing database on riverine uranium transport to include more smaller watersheds which collectively account for ...
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Niencheski, Luis Felipe Hax; Baumgarten, Maria da Graça Zepka
(2007)
Mangueira Bay is located south of Patos Lagoon. It receives poorly treated official and clandestine household and industrial effluents from the city of Rio Grande. This study analyzes parameters that characterize the water ...