Zobrazeno 1 - 5
of 5
pro vyhledávání: '"RAFAEL G. SIQUEIRA"'
Autor:
KÁTIA K. DA ROSA, CLEIVA PERONDI, JÚLIA L. LORENZ, JEFFREY D. AUGER, PAMELA CAZAROTO, CARINA PETSCH, RAFAEL G. SIQUEIRA, JEFFERSON C. SIMÕES, ROSEMARY VIEIRA
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract This study aims to investigate the glacier shrinkage and recent proglacial environment in King George Bay, Antarctica, since 1988 in response to climate change. Remote sensing data (SPOT, Sentinel, Landsat and Planet Scope images) were appli
Externí odkaz:
https://doaj.org/article/c8626de9cf3443158477b3c59f948181
Autor:
IORRANA F. SACRAMENTO, CARLOS ERNESTO G.R. SCHAEFER, RAFAEL G. SIQUEIRA, GUILHERME R. CORRÊA, JAIR PUTZKE, ROBERTO F.M. MICHEL, MÁRCIO R. FRANCELINO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract Understanding the influence of soil-forming factors and processes in ornithogenic soils is important to predict impacts of climate change on Antarctic ecosystems. Herein, we analyzed the soil-landscape interplays and development of ornithoge
Externí odkaz:
https://doaj.org/article/836d76b983ae4dc49b1c8bb152ee5544
Autor:
CARLOS ERNESTO G.R. SCHAEFER, EDUARDO O. SENRA, DANIELA SCHMITZ, RAFAEL G. SIQUEIRA, MAYARA D. DE PAULA, JAIR PUTZKE, FABIO S. DE OLIVEIRA, LARA G. MAIA, ANIFO S.M. IBRAIMO, MÁRCIO R. FRANCELINO
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 95, Iss suppl 3 (2023)
Abstract Areas of high concentration of seal carcasses have been observed in localized areas of James Ross Island, Antarctica. Such carcasses show an unusual vegetation development, in a semi-arid area with bare soils under intense winds, high salini
Externí odkaz:
https://doaj.org/article/c578bd2a98c046799e32ca5895cc45bd
Autor:
Rafael G. Siqueira, Cássio M. Moquedace, Márcio R. Francelino, Carlos E.G.R. Schaefer, Elpídio I. Fernandes-Filho
Publikováno v:
Geoderma. 432:116405
Autor:
RAFAEL G. SIQUEIRA, DAVI V. LOPES, JOSÉ JOÃO L.L. DE SOUZA, CARLOS ERNESTO G.R. SCHAEFER, CAROLINE D. SOUZA, FÁBIO S. DE OLIVEIRA, ELPÍDIO INÁCIO FERNANDES FILHO
Publikováno v:
Anais da Academia Brasileira de Ciências v.94 suppl.1 2022
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC
Anais da Academia Brasileira de Ciências, Volume: 94 Supplement 1, Article number: e20210625, Published: 11 FEB 2022
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC
Anais da Academia Brasileira de Ciências, Volume: 94 Supplement 1, Article number: e20210625, Published: 11 FEB 2022
Sulfurization is a pedogenic process that involves pyrite oxidation and strong soil acidification, accounting for the formation of acid sulfate soils. In Antarctica, acid sulfate soils are related to specific parent materials, such as sulfide-bearing