Modelling and prediction of major soil chemical properties with Random Forest: Machine learning as tool to understand soil-environment relationships in Antarctica
RG Siqueira, CM Moquedace, EI Fernandes-Filho… - Catena, 2024 - Elsevier
Abstract Digital Soil Mapping includes quantitative estimations of soil attributes in areas with
little or no soil information, being important in remote landscapes such as the Antarctic ice …
little or no soil information, being important in remote landscapes such as the Antarctic ice …
[HTML][HTML] Machine learning applied for Antarctic soil mapping: Spatial prediction of soil texture for Maritime Antarctica and Northern Antarctic Peninsula
RG Siqueira, CM Moquedace, MR Francelino… - Geoderma, 2023 - Elsevier
Soil texture is one of the most important soil properties as it drives several physical,
chemical, biological, hydrological, and mechanical properties, and processes. In Antarctica …
chemical, biological, hydrological, and mechanical properties, and processes. In Antarctica …
Phosphatization under birds' activity: Ornithogenesis at different scales on Antarctic Soilscapes
WF Rodrigues, FS de Oliveira, CEGR Schaefer… - Geoderma, 2021 - Elsevier
Extensive areas of penguins' nesting (Pygoscelis sp.), on ice-free areas, account for vast
deposits of organic matter-rich guano in maritime Antarctica. One such area, at Harmony …
deposits of organic matter-rich guano in maritime Antarctica. One such area, at Harmony …
Pedogeomorphology and weathering at Snow Island, Maritime Antarctica
D do Vale Lopes, FS de Oliveira, TTC Pereira… - Catena, 2022 - Elsevier
Despite progress in the last decade on periglacial geomorphology and permafrost research
in Antarctica, many areas in Maritime Antarctica remain unsurveyed. This study aimed to …
in Antarctica, many areas in Maritime Antarctica remain unsurveyed. This study aimed to …
Seabirds enrich Antarctic soil with trace metals in organic fractions
MF Castro, JCL Neves, MR Francelino… - Science of the Total …, 2021 - Elsevier
Coastal areas of Antarctica are subjected to anthropic contamination from around the world
by trace metals biotransported and accumulated by seabird excrements. To explore this …
by trace metals biotransported and accumulated by seabird excrements. To explore this …
[HTML][HTML] Chemical weathering detection in the periglacial landscapes of Maritime Antarctica: New approach using geophysical sensors, topographic variables and …
DC de Mello, GV Veloso, CM Moquedace… - Geoderma, 2023 - Elsevier
The chemical weathering intensity in Antarctica is underestimated. As the chemical
weathering intensity increases, hydrological, geochemical and geophysical changes occur …
weathering intensity increases, hydrological, geochemical and geophysical changes occur …
Lithological control on the formation of ferruginous duricrusts in the Espinhaço Range (Minas Gerais, Brazil)
AR Milagres, FS Oliveira, AFDC Varajão, CAC Varajão… - Catena, 2023 - Elsevier
Abstract The Espinhaço Range is the scene of a long history of exposure to chemical
weathering and erosion processes since the Cretaceous. As a result, ferruginous duricrusts …
weathering and erosion processes since the Cretaceous. As a result, ferruginous duricrusts …
Radiometric and magnetic susceptibility characterization of soil profiles: Geophysical data and their relationship with Antarctic periglacial processes, pedogenesis …
DC De Mello, GV Veloso, CM Moquedace… - Catena, 2023 - Elsevier
Maritime Antarctica is still pedologically unexplored by proximal geophysical sensors. In-
depth soil geophysical characterizations in depth can provide comprehensive information …
depth soil geophysical characterizations in depth can provide comprehensive information …
Weathering and pedogenesis of sediments and basaltic rocks on Vega Island, Antarctic Peninsula
RG Siqueira, CEGR Schaefer, EI Fernandes Filho… - Geoderma, 2021 - Elsevier
Abstract Vega Island in the Weddell Sea is characterized by a semiarid climate and peculiar
soil formation due to its transitional location between warmer and wetter Maritime Antarctica …
soil formation due to its transitional location between warmer and wetter Maritime Antarctica …
Soil pockets phosphatization and chemical weathering of sites affected by flying birds of Maritime Antarctica
DDOV Lopes, FSDE Oliveira, JJLLDE Souza… - Anais da Academia …, 2022 - SciELO Brasil
The majority of ornithogenic soils studied in Antarctica focus on the influence of penguins,
wherever little reports evaluated the influence of flying birds on soil genesis. This study …
wherever little reports evaluated the influence of flying birds on soil genesis. This study …