Search Results - "Siqueira, Rafael G"

Ornithogenesis and soil-landscape interplays at northern Harmony Point, Nelson Island, Maritime Antarctica by Sacramento, Iorrana F, Schaefer, Carlos Ernesto G R, Siqueira, Rafael G, Corrêa, Guilherme R, Putzke, Jair, Michel, Roberto F M, Francelino, Márcio R

“…Understanding the influence of soil-forming factors and processes in ornithogenic soils is important to predict impacts of climate change on Antarctic…”
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Glacier fluctuations and a proglacial evolution in King George Bay (King George Island), Antarctica, since 1980 decade by Rosa, Kátia K DA, Perondi, Cleiva, Lorenz, Júlia L, Auger, Jeffrey D, Cazaroto, Pamela, Petsch, Carina, Siqueira, Rafael G, Simões, Jefferson C, Vieira, Rosemary

“…This study aims to investigate the glacier shrinkage and recent proglacial environment in King George Bay, Antarctica, since 1988 in response to climate…”
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Soils under seal carcasses with varying degrees of decomposition: oasis of nutrients and vegetation in Antarctica by Schaefer, Carlos Ernesto G R, Senra, Eduardo O, Schmitz, Daniela, Siqueira, Rafael G, Paula, Mayara D DE, Putzke, Jair, Oliveira, Fabio S DE, Maia, Lara G, Ibraimo, Anifo S M, Francelino, Márcio R

“…Areas of high concentration of seal carcasses have been observed in localized areas of James Ross Island, Antarctica. Such carcasses show an unusual vegetation…”
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Evaluation of machine learning algorithms to classify and map landforms in Antarctica by Siqueira, Rafael G., Veloso, Gustavo V., Fernandes‐Filho, Elpídio I., Francelino, Márcio R., Schaefer, Carlos Ernesto G. R., Corrêa, Guilherme R.

“…The detailed geomorphology of ice‐free landscapes of Antarctica is key to understanding how their highly fragile environments respond to climate change, at…”
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Acid sulfate soils from Antarctica: genesis and properties along a climatic gradient by Siqueira, Rafael G, Lopes, Davi V, Souza, José João L L DE, Schaefer, Carlos Ernesto G R, Souza, Caroline D, Oliveira, Fábio S DE, Fernandes Filho, Elpídio Inácio

“…Sulfurization is a pedogenic process that involves pyrite oxidation and strong soil acidification, accounting for the formation of acid sulfate soils. In…”
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Machine learning applied for Antarctic soil mapping: Spatial prediction of soil texture for Maritime Antarctica and Northern Antarctic Peninsula by Siqueira, Rafael G., Moquedace, Cássio M., Francelino, Márcio R., Schaefer, Carlos E.G.R., Fernandes-Filho, Elpídio I.

“…•We mapped the soil texture of an important region of Antarctica.•We used an extensive legacy data of Antarctic soils and machine learning modelling.•The…”
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Modelling and prediction of major soil chemical properties with Random Forest: Machine learning as tool to understand soil-environment relationships in Antarctica by Siqueira, Rafael G., Moquedace, Cássio M., Fernandes-Filho, Elpídio I., Schaefer, Carlos E.G.R., Francelino, Márcio R., Sacramento, Iorrana F., Michel, Roberto F.M.

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Weathering and pedogenesis of sediments and basaltic rocks on Vega Island, Antarctic Peninsula by Siqueira, Rafael G., Schaefer, Carlos Ernesto G.R., Fernandes Filho, Elpídio I., Corrêa, Guilherme R., Francelino, Márcio R., Souza, José João L.L. de, Rocha, Pablo de A.

“…•Parent material is the main forming factor for soil differentiation at Vega Island.•Vega Island is a pedological transition zone between Maritime and…”
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