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 …

[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 …

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 …

Evaluation of machine learning algorithms to classify and map landforms in Antarctica

RG Siqueira, GV Veloso… - Earth Surface …, 2022 - Wiley Online Library
The detailed geomorphology of ice‐free landscapes of Antarctica is key to understanding
how their highly fragile environments respond to climate change, at different temporal and …

Anthropogenic debris in an Antarctic Specially Protected Area in the maritime Antarctic

JVG Finger, DH Corá, P Convey, F Santa Cruz… - Marine Pollution …, 2021 - Elsevier
Abstract Antarctic Specially Protected Areas (ASPAs) provide the strongest environmental
protection in Antarctica. However, they are not immune from anthropogenic pollution of …

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 …

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 …

Coupled soil-vegetation changes along a topographic gradient on King George Island, maritime Antarctica

FR Ferrari, CEGR Schaefer, AB Pereira, A Thomazini… - Catena, 2021 - Elsevier
Studies on the unique terrestrial ecosystems of Antarctica's ice-free areas have potential to
enhance the understanding of the soil/vegetation interplays and ecological relationships of …

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 …

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 …