Alves de Moraes, Caio; Lima da Costa, Marcondes; Guida Navarro, Alexandre; Nunes da Silva Meneses, Maria Ecilene; Boiadeiro Ayres Negrão, Leonardo; Pöllmann, Herbert; Behling, Hermann (2021): Holocene coastal environmental changes inferred by multi-proxy analysis from Lago Formoso sediments in Maranhão State, northeastern Brazil [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.938223
Always quote citation above when using data! You can download the citation in several formats below.
Published: 2021-11-16 • DOI registered: 2022-02-08
Abstract:
The history of the coastal environment in the northern part of northeastern Brazil and the role of sea-level and climate change as well as the human impact during the past has been still little know. In order to shed more light on coastal ecosystem dynamics and its influencing factors, a 300 cm long sediment core has been taken using a Russian corer from Lago Formoso (3°15'14S / 45°23'10W; elevation of 10 meters above sea-level) located around 150 km distance from the present-day coast in Maranhão State. The fieldwork has been carried out during the dry season, with the sampling on the 10th of December 2018. The lake has an area of approximately 500 ha and is inserted into the coastal plains of Maranhão. During the rainy season (in May is the maximum) the lake is seasonally inundated with the highest water stand of up to 8 m, while during the dry season the shallow lake has a 1.3 m water depth. The core has been radiocarbon dated and analyzed by pollen, spores, charcoal, X-Ray Fluorescence (XRF), X-ray Powder Diffraction (XRPD), LOI, and sedimentary characteristics. The main aim of this work is to answer the specific research questions: 1) How were the dynamics of vegetation in the study area? 2) How sea-level and climate influenced the coastal environment since the mid-Holocene? 3) When occurred the Atlantic Ocean regression? 4) Since when and how strong did humans have influenced the environment in the region?
Keyword(s):
Supplement to:
Alves de Moraes, Caio; Lima da Costa, Marcondes; Guida Navarro, Alexandre; Nunes da Silva Meneses, Maria Ecilene; Boiadeiro Ayres Negrão, Leonardo; Pöllmann, Herbert; Behling, Hermann (2021): Holocene coastal environmental changes inferred by multi-proxy analysis from Lago Formoso sediments in Maranhão State, northeastern Brazil. Quaternary Science Reviews, 273, 107234, https://doi.org/10.1016/j.quascirev.2021.107234
Funding:
National Council for Scientific and Technological Development (CNPq), grant/award no. 290210/2017-8: CNPq scholarship: Edital DAAD/Doutorado Pleno (GDE)
National Council for Scientific and Technological Development (CNPq), grant/award no. 305015/2016-8: CNPq project 442871/2018-0
National Council for Scientific and Technological Development (CNPq), grant/award no. 308271/2018-1: CNPq project
Coverage:
Latitude: -3.253889 * Longitude: -45.386111
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
6 datasets
Download Data
Datasets listed in this bundled publication
- Alves de Moraes, C; Lima da Costa, M; Guida Navarro, A et al. (2021): Figure 1 to 9 from Lago Formoso sediments in Maranhão State, northeastern Brazil. https://doi.org/10.1594/PANGAEA.938173
- Alves de Moraes, C; Lima da Costa, M; Guida Navarro, A et al. (2021): Charcoal from Lago Formoso sediments in Maranhão State, northeastern Brazil. https://doi.org/10.1594/PANGAEA.938176
- Alves de Moraes, C; Lima da Costa, M; Guida Navarro, A et al. (2021): Palynology counting from Lago Formoso sediments in Maranhão State, northeastern Brazil. https://doi.org/10.1594/PANGAEA.938200
- Alves de Moraes, C; Lima da Costa, M; Guida Navarro, A et al. (2021): Radiocarbon dating from Lago Formoso sediments in Maranhão State, northeastern Brazil. https://doi.org/10.1594/PANGAEA.938187
- Alves de Moraes, C; Lima da Costa, M; Guida Navarro, A et al. (2021): XRF elemental composition from Lago Formoso sediments in Maranhão State, northeastern Brazil. https://doi.org/10.1594/PANGAEA.938189
- Alves de Moraes, C; Lima da Costa, M; Guida Navarro, A et al. (2021): LOI and mineralogical composition from Lago Formoso sediments in Maranhão State, northeastern Brazil. https://doi.org/10.1594/PANGAEA.939907