Sediment Dynamics In Lacustrine Environments — Northern Amazon

Lakes are features found in Brazil’s northern region, commonly formed in sandy-clay layers of the Plio-Pleistocene, in a setting of the extensive flat surface, and under a high precipitation rate. Our goal in this work is to understand the sediment transport dynamic and its relation to the hydrologi...

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Published in:GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY
Main Authors: Raquel A. Alves, Luiza C. Beserra Neta
Format: Article in Journal/Newspaper
Language:English
Published: Russian Geographical Society 2022
Subjects:
Amazonian lakes
hydrological regime
sediment provenance
Boa
Arctic
Online Access:https://ges.rgo.ru/jour/article/view/2607
https://doi.org/10.24057/2071-9388-2021-094
id ftjges:oai:oai.gesj.elpub.ru:article/2607
record_format openpolar
institution Open Polar
collection Geography, Environment, Sustainability (E-Journal)
op_collection_id ftjges
language English
topic Amazonian lakes
hydrological regime
sediment provenance
spellingShingle Amazonian lakes
hydrological regime
sediment provenance
Raquel A. Alves
Luiza C. Beserra Neta
Sediment Dynamics In Lacustrine Environments — Northern Amazon
topic_facet Amazonian lakes
hydrological regime
sediment provenance
description Lakes are features found in Brazil’s northern region, commonly formed in sandy-clay layers of the Plio-Pleistocene, in a setting of the extensive flat surface, and under a high precipitation rate. Our goal in this work is to understand the sediment transport dynamic and its relation to the hydrological behavior of the regional lacustrine system. Two lakes were selected, Lago do Italiano (LIT) and Lago do Bicho (LB), situated in the municipality of Bonfim in the state of Roraima, Brazil. The lakes differ in hydrological regime, depth, and vegetation. The methodology involved bibliographical and remote sensor data and field surveys followed by laboratory processing. The results revealed that the lakes are composed of sandy materials, with layers what reach 95% of sand. The grains is medium to fine texture, with morphology angular (0 a 50%) and subangular (18% a 43%) grains, disposed at different depths. The grains’ morphology suggests that their sediment provider source is near and, at the same time, indicates a low energy environment. Concerning the mineralogical attributes, the sediments are of a quartzose nature, which permits their correlation with the arenites of the Boa Vista Formation, a sub-cropping unit. The sediment input is controlled by the seasonal oscillation of the groundwater level and inundation pulses that reach the fluviolacustrine plain of the Tacutu River in which the lakes are inserted.
format Article in Journal/Newspaper
author Raquel A. Alves
Luiza C. Beserra Neta
author_facet Raquel A. Alves
Luiza C. Beserra Neta
author_sort Raquel A. Alves
title Sediment Dynamics In Lacustrine Environments — Northern Amazon
title_short Sediment Dynamics In Lacustrine Environments — Northern Amazon
title_full Sediment Dynamics In Lacustrine Environments — Northern Amazon
title_fullStr Sediment Dynamics In Lacustrine Environments — Northern Amazon
title_full_unstemmed Sediment Dynamics In Lacustrine Environments — Northern Amazon
title_sort sediment dynamics in lacustrine environments — northern amazon
publisher Russian Geographical Society
publishDate 2022
url https://ges.rgo.ru/jour/article/view/2607
https://doi.org/10.24057/2071-9388-2021-094
long_lat ENVELOPE(15.532,15.532,66.822,66.822)
geographic Boa
geographic_facet Boa
genre Arctic
genre_facet Arctic
op_source GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY; Vol 15, No 3 (2022); 61-69
2542-1565
2071-9388
op_relation https://ges.rgo.ru/jour/article/view/2607/654
Alves R. and Beserra Neta L. (2018). Geomorphological compartmentation and morphological classification of lacustrine envlronmentsln the savannahsof the northeastern region of Roraima. Journal Acta Geographic, Boa Vista: UFRR, 12(29), 1-18, DOI:10.5654/acta.v12i29.3669. (in Portuguese with English summary)
Alves R. and Ribeiro S. (2018). Changes in the lake landscape result from the anthropogenic activity in Lago do Italiano in Bonfim - Roraima. Annals: XV National Congress of the Environment. [online]. Availlable at: http://www.meioambientepocos.com.br/Anais2018 [Acessed 27 Mar. 2021]. (in Portuguese with English summary)
Amaral M., Bittrich V., Faria A., Anderson L. and Aona L. (2008). Field guide for aquatic and marshland plants of the state of Sao Paulo. Ribeirao Preto: Holos, p. 452.
Amorim M., Moreira-Turcq P, Turcq B. and Cordeiro R. (2009). Origin and dynamics of superficial sediment deposits in varzea do large lake of Curuai, Pará, Brasil. Journal Acta Amazónica, 39(1), 165-172, DOI:10.1590/S0044-59672009000100016.
Benedetti U., Vale Júnior J., Schaefer C., Melo V. and Uchóa S. (2011). Genesis, chemistry and mineralogy of soils derived from plio- pleistocene sediments and basic volcanic rocks in Roraima, northern Amazon. Brazilian Journal of Soil Science, 35(2), 299-312, (in Portuguese with English summary), DOI:10.1590/S0100-06832011000200002.
Barbosa R. (1997). Distribution of rains in Roraima. In: R. Barbosa, E. Ferreira and E. Castellon, eds., Man, Environment and Ecology in the State of Roraima. Manaus, INPA, (in Portuguese with English summary), 325-335.
Barros L., Valenga L., Manso V., Madruga Filho J. and Oliveira, J. (2007). Texture, composition and rounding of sediments of the internal continental platform, adjacent to the river mouth south of the Santa Cruz Canal and the river Timbó, north of the state of Pernambuco. Geological Studies, 17(1), (in Portuguese with English summary), 58-70.
Bootsma H.A. (2018). Oceans, Lakes, and Inland Seas: A Virtual Issue on the Large Lakes of the World. Limnology and Oceanography Bulletin, 27, 87-88, DOI:10.1002/lob.10230.
Cardoso S., Quadra G., Resende N. and Roland F. (2019). The role of sediments in the carbon and pollutant cycles in aquatic ecosystems. Acta Limnologica Brasiliensia, 31(201), DOI:10.1590/s2179-975x8918.
Costa M.L., Carmo M.S. and Behling H. (2005). Mineralogy and geochemistry of lake sediments with lateritic substrate in the Brazilian Amazon. Brazilian Journal of Geosciences, 35(2), (in Portuguese with English summary), 165-176.
CPRM . Geological Service of Brazil — Basic Geological Surveys Programme Brazil. (2009). Geological Map State of Roraima Scale 1:500.000, (in Portuguese with English summary), Manaus: CPRM.
Drabkova V.G. (1983). Bacterial decomposition of organic matter in lacustrine sediments. Hydrobiology, 99-102, DOI:10.1007/ BF00028435.
EMBRAPA. Brazilian Agricultural Research Corporation. (2018). Manual of soil analysis methods. 3rd ed., (in Portuguese with English summary), Rio de Janeiro.
Esteves F.A. (2011). Fundamentals of Limnology. 3rd ed. Rio de Janeiro: Interciencia. (in Portuguese with English summary), 826.
Fassoni-Andrade A.C. and Paiva R.C.D. (2019). Mapping of the spatio-temporal sedimentary dynamics of river floodplains in the Amazon. Remote Sensing of the Environment, 221,94-107, (in Portuguese with English summary), DOI:10.1016/j.rse.2018.10.038
Folk R. and Ward W. (1957). Brazos River bar: A study in the significance of grainsize parameters. Journal of Sedimentary Research, 27(1), 3-26, DOI:10.1306/74D70646-2B21-11D7-8648000102C1865D.
Franco E., Del'Arco J. and Rivetti M. (1975). Geomorphology. In: BRASIL. Projeto Radam Brasil. Survey of Natural Resources. Pages NA 20 Boa Vista and part of Pages NA 21 Tumucumaque, NB20 Roraima and NB21, Rio de Janeiro: IBGE.
Ludikova A.V. (2021). Long-Term Studies of Surface-Sediment Diatom Assemblages In Assessing the Ecological State of Lake Ladoga, The Largest European Lake. Geography, Environment, Sustainability, 14(1), 251-262, DOI:10.24057/2071-9388-2020-174.
Guimaraes J.T.F., Sahoo P.K., Souza-Filho P.W.M., Maurity C.W., Silva Júnior R.O., Costa F.R. and Dall'Agnol R. (2016). Late Quaternary environmental and climate changes registered in lacustrine sediments of the Serra Sul de Carajás, south-east Amazonia. Journal of Quaternary Science, 31(2), 61-74, DOI:10.1002/jqs.2839.
Lorenzi H. (2017). Brazilian trees: manual for identification and cultivation of arboreal plants arbóreas native of Brasil. Plantarum Institute of Flora Studies Ltd. 5th ed. Sao Paulo: Nova Odessa, 2, (in Portuguese with English summary), 384.
Machado D.A.M, Fernandes L.A., Góes A.M., Mesquita M.J. and Lima F.M. (2012). Origin of sediments from the Curitiba Basin by studies of heavy minerals. Brazilian Journal of Geosciences, 42(3), 563-572, (in Portuguese with English summary), DOI:10.25249/0375- 7536.2012423563572.
Maia P, Boaventura G. and Pires A. (2006). Spatial distribution of trace elements in the sediments of Lake Paranoá - DF, Brazil. Journal of Geochemistry Brasiliensis, 20(2), 158-174, DOI:10.21715/gb.v20i2.242.
Melo V., Vale Júnior J. and Uchoa S. (2010). Use and maintenance of soil under Savannah. In: J. Vale Junior and C. Schaefer, eds., Soils under savannahs of Roraima: genesis, classification and environmental relations. Boa Vista: Gráfica Ioris, 219.
Meneses M., Costa M. and Costa J. (2007). The Lakes of the Lavrado of BoaVista — Roraima: physical-chemical physiographyof the water, mineralogy and chemistry of the sediments. Brazilian Journal of Geosciences, 37(3), 478-489, DOI:10.25249/0375-7536.2007373478489.
Moiseenko T., Sharov A., Voinov A. and Shalabodov A. (2012). Long-term changes in the large lake ecosystems under pollution: the case of the north-east European lakes. Geography, Environment, Sustainability, 5(1), 67-83, DOI:10.24057/2071-9388-2012-5-1-67-83.
Murdoch A. and Macknight A. (1994). Handbook of Techniques for Aquatic Sediments Sampling. 2nd ed. Boca Roton, Florida: Lewis.
Pinheiro M. and Jardim M. (2015). Floristic composition and biological forms of aquatic macrophytes in lakes of the western Amazon, Roraima, Brazil. Journal Biota Amazonia, 5(3), 23-27, DOI:10.18561/2179-5746.
Santos W., Silva P and Moreira J. (2020). Hydro-sedimentological dynamics in fluvial lentic environment, Rio Branco, Acre: Initial investigation of silting process in fluvial canal. Journal GEOgrafias, 28(2), 135-156.
Santos Neto A., Tavares Junior S. and Souza V. (2013). Lacustrine Landscapes and Urban Expansion in the Municipality of Bonfim-RR. In: A. Filho and L. Beserra Neta, eds., Bonfim: A Geographical Vision. Boa Vista: Editora UFRR, (in Portuguese with English summary), 260
Shepard F. (1954). Nomenclature based on sand-silt-clay ratios. Journal of Sediment Research, 24(23), 151-158, DOI:10.1306/D4269774- 2B26-11D7-8648000102C1865D.
Simoes Filho F., et al. (1997). Sedimentary registers of lakes and marshlands in the fields of Roraima: Paleo-environmental implications along the holocene In: R. Barbosa, E. Ferreira and E. Castellon, eds., Man, Environment and Ecology in the State of Roraima. Manaus, INPA, (in Portuguese with English summary), 295-302.
Suguio K. (1973). Introduction to Sedimentology. Sao Paulo: Edgard Blucher, 342.
Thomas R. and Meybeck M. (1996). The use of particulate material. In: D. Chapman, ed., Water Quality Assessments: a guide to the use of biota, sediments and water in environmental Monitoring, 2nd ed., UNESCO/WHO/UNEP.
Vonk J.E., Dickens A.F., Giosan L., Hussain Z.A., Kim B., Zipper S.C., Holmes R.M., Montlucon D.B., Galy V. and Eglinton T.I. (2016). Arctic Deltaic Lake Sediments As Recorders of Fluvial Organic Matter Deposition. Frontiers in Earth Science, 4(77), 1-24, DOI:10.3389/feart.2016.00077.
Xu Y., Wu Y., Han J. and Li P (2017). The current status of heavy metal in lake sediments from China: Pollution and ecological risk assessment. Ecology and Evolution, 7(14), 5454-5466, DOI:10.1002/ece3.3124.
Zdorovennova G., Palshin N., Zdorovennov R., Golosov S., Efremova T., Gavrilenko G. and Terzhevik A. (2016). The Oxygen Regime of a Shallow Lake. Geography, Environment, Sustainability, 9(2), 47-57, DOI:10.15356/2071-9388_02v09_2016_04.
https://ges.rgo.ru/jour/article/view/2607
doi:10.24057/2071-9388-2021-094
op_rights Authors who publish with this journal agree to the following terms:Authors retain copyright and grant the journal the right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.Authors can enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgment of its initial publication in this journal.Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).The information and opinions presented in the Journal reflect the views of the authors and not of the Journal or its Editorial Board or the Publisher. The GES Journal has used its best endeavors to ensure that the information is correct and current at the time of publication but takes no responsibility for any error, omission, or defect therein.
Авторы, публикующие в данном журнале, соглашаются со следующим:Авторы сохраняют за собой авторские права на работу и предоставляют журналу право первой публикации работы на условиях лицензии Creative Commons Attribution License, которая позволяет другим распространять данную работу с обязательным сохранением ссылок на авторов оригинальной работы и оригинальную публикацию в этом журнале.Авторы сохраняют право заключать отдельные контрактные договорённости, касающиеся не-эксклюзивного распространения версии работы в опубликованном здесь виде (например, размещение ее в институтском хранилище, публикацию в книге), со ссылкой на ее оригинальную публикацию в этом журнале.Авторы имеют право размещать их работу
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spelling ftjges:oai:oai.gesj.elpub.ru:article/2607 2023-05-15T14:28:27+02:00 Sediment Dynamics In Lacustrine Environments — Northern Amazon Raquel A. Alves Luiza C. Beserra Neta 2022-10-04 application/pdf https://ges.rgo.ru/jour/article/view/2607 https://doi.org/10.24057/2071-9388-2021-094 eng eng Russian Geographical Society https://ges.rgo.ru/jour/article/view/2607/654 Alves R. and Beserra Neta L. (2018). Geomorphological compartmentation and morphological classification of lacustrine envlronmentsln the savannahsof the northeastern region of Roraima. Journal Acta Geographic, Boa Vista: UFRR, 12(29), 1-18, DOI:10.5654/acta.v12i29.3669. (in Portuguese with English summary) Alves R. and Ribeiro S. (2018). Changes in the lake landscape result from the anthropogenic activity in Lago do Italiano in Bonfim - Roraima. Annals: XV National Congress of the Environment. [online]. Availlable at: http://www.meioambientepocos.com.br/Anais2018 [Acessed 27 Mar. 2021]. (in Portuguese with English summary) Amaral M., Bittrich V., Faria A., Anderson L. and Aona L. (2008). Field guide for aquatic and marshland plants of the state of Sao Paulo. Ribeirao Preto: Holos, p. 452. Amorim M., Moreira-Turcq P, Turcq B. and Cordeiro R. (2009). Origin and dynamics of superficial sediment deposits in varzea do large lake of Curuai, Pará, Brasil. Journal Acta Amazónica, 39(1), 165-172, DOI:10.1590/S0044-59672009000100016. Benedetti U., Vale Júnior J., Schaefer C., Melo V. and Uchóa S. (2011). Genesis, chemistry and mineralogy of soils derived from plio- pleistocene sediments and basic volcanic rocks in Roraima, northern Amazon. Brazilian Journal of Soil Science, 35(2), 299-312, (in Portuguese with English summary), DOI:10.1590/S0100-06832011000200002. Barbosa R. (1997). Distribution of rains in Roraima. In: R. Barbosa, E. Ferreira and E. Castellon, eds., Man, Environment and Ecology in the State of Roraima. Manaus, INPA, (in Portuguese with English summary), 325-335. Barros L., Valenga L., Manso V., Madruga Filho J. and Oliveira, J. (2007). Texture, composition and rounding of sediments of the internal continental platform, adjacent to the river mouth south of the Santa Cruz Canal and the river Timbó, north of the state of Pernambuco. Geological Studies, 17(1), (in Portuguese with English summary), 58-70. Bootsma H.A. (2018). Oceans, Lakes, and Inland Seas: A Virtual Issue on the Large Lakes of the World. Limnology and Oceanography Bulletin, 27, 87-88, DOI:10.1002/lob.10230. Cardoso S., Quadra G., Resende N. and Roland F. (2019). The role of sediments in the carbon and pollutant cycles in aquatic ecosystems. Acta Limnologica Brasiliensia, 31(201), DOI:10.1590/s2179-975x8918. Costa M.L., Carmo M.S. and Behling H. (2005). Mineralogy and geochemistry of lake sediments with lateritic substrate in the Brazilian Amazon. Brazilian Journal of Geosciences, 35(2), (in Portuguese with English summary), 165-176. CPRM . Geological Service of Brazil — Basic Geological Surveys Programme Brazil. (2009). Geological Map State of Roraima Scale 1:500.000, (in Portuguese with English summary), Manaus: CPRM. Drabkova V.G. (1983). Bacterial decomposition of organic matter in lacustrine sediments. Hydrobiology, 99-102, DOI:10.1007/ BF00028435. EMBRAPA. Brazilian Agricultural Research Corporation. (2018). Manual of soil analysis methods. 3rd ed., (in Portuguese with English summary), Rio de Janeiro. Esteves F.A. (2011). Fundamentals of Limnology. 3rd ed. Rio de Janeiro: Interciencia. (in Portuguese with English summary), 826. Fassoni-Andrade A.C. and Paiva R.C.D. (2019). Mapping of the spatio-temporal sedimentary dynamics of river floodplains in the Amazon. Remote Sensing of the Environment, 221,94-107, (in Portuguese with English summary), DOI:10.1016/j.rse.2018.10.038 Folk R. and Ward W. (1957). Brazos River bar: A study in the significance of grainsize parameters. Journal of Sedimentary Research, 27(1), 3-26, DOI:10.1306/74D70646-2B21-11D7-8648000102C1865D. Franco E., Del'Arco J. and Rivetti M. (1975). Geomorphology. In: BRASIL. Projeto Radam Brasil. Survey of Natural Resources. Pages NA 20 Boa Vista and part of Pages NA 21 Tumucumaque, NB20 Roraima and NB21, Rio de Janeiro: IBGE. Ludikova A.V. (2021). Long-Term Studies of Surface-Sediment Diatom Assemblages In Assessing the Ecological State of Lake Ladoga, The Largest European Lake. Geography, Environment, Sustainability, 14(1), 251-262, DOI:10.24057/2071-9388-2020-174. Guimaraes J.T.F., Sahoo P.K., Souza-Filho P.W.M., Maurity C.W., Silva Júnior R.O., Costa F.R. and Dall'Agnol R. (2016). Late Quaternary environmental and climate changes registered in lacustrine sediments of the Serra Sul de Carajás, south-east Amazonia. Journal of Quaternary Science, 31(2), 61-74, DOI:10.1002/jqs.2839. Lorenzi H. (2017). Brazilian trees: manual for identification and cultivation of arboreal plants arbóreas native of Brasil. Plantarum Institute of Flora Studies Ltd. 5th ed. Sao Paulo: Nova Odessa, 2, (in Portuguese with English summary), 384. Machado D.A.M, Fernandes L.A., Góes A.M., Mesquita M.J. and Lima F.M. (2012). Origin of sediments from the Curitiba Basin by studies of heavy minerals. Brazilian Journal of Geosciences, 42(3), 563-572, (in Portuguese with English summary), DOI:10.25249/0375- 7536.2012423563572. Maia P, Boaventura G. and Pires A. (2006). Spatial distribution of trace elements in the sediments of Lake Paranoá - DF, Brazil. Journal of Geochemistry Brasiliensis, 20(2), 158-174, DOI:10.21715/gb.v20i2.242. Melo V., Vale Júnior J. and Uchoa S. (2010). Use and maintenance of soil under Savannah. In: J. Vale Junior and C. Schaefer, eds., Soils under savannahs of Roraima: genesis, classification and environmental relations. Boa Vista: Gráfica Ioris, 219. Meneses M., Costa M. and Costa J. (2007). The Lakes of the Lavrado of BoaVista — Roraima: physical-chemical physiographyof the water, mineralogy and chemistry of the sediments. Brazilian Journal of Geosciences, 37(3), 478-489, DOI:10.25249/0375-7536.2007373478489. Moiseenko T., Sharov A., Voinov A. and Shalabodov A. (2012). Long-term changes in the large lake ecosystems under pollution: the case of the north-east European lakes. Geography, Environment, Sustainability, 5(1), 67-83, DOI:10.24057/2071-9388-2012-5-1-67-83. Murdoch A. and Macknight A. (1994). Handbook of Techniques for Aquatic Sediments Sampling. 2nd ed. Boca Roton, Florida: Lewis. Pinheiro M. and Jardim M. (2015). Floristic composition and biological forms of aquatic macrophytes in lakes of the western Amazon, Roraima, Brazil. Journal Biota Amazonia, 5(3), 23-27, DOI:10.18561/2179-5746. Santos W., Silva P and Moreira J. (2020). Hydro-sedimentological dynamics in fluvial lentic environment, Rio Branco, Acre: Initial investigation of silting process in fluvial canal. Journal GEOgrafias, 28(2), 135-156. Santos Neto A., Tavares Junior S. and Souza V. (2013). Lacustrine Landscapes and Urban Expansion in the Municipality of Bonfim-RR. In: A. Filho and L. Beserra Neta, eds., Bonfim: A Geographical Vision. Boa Vista: Editora UFRR, (in Portuguese with English summary), 260 Shepard F. (1954). Nomenclature based on sand-silt-clay ratios. Journal of Sediment Research, 24(23), 151-158, DOI:10.1306/D4269774- 2B26-11D7-8648000102C1865D. Simoes Filho F., et al. (1997). Sedimentary registers of lakes and marshlands in the fields of Roraima: Paleo-environmental implications along the holocene In: R. Barbosa, E. Ferreira and E. Castellon, eds., Man, Environment and Ecology in the State of Roraima. Manaus, INPA, (in Portuguese with English summary), 295-302. Suguio K. (1973). Introduction to Sedimentology. Sao Paulo: Edgard Blucher, 342. Thomas R. and Meybeck M. (1996). The use of particulate material. In: D. Chapman, ed., Water Quality Assessments: a guide to the use of biota, sediments and water in environmental Monitoring, 2nd ed., UNESCO/WHO/UNEP. Vonk J.E., Dickens A.F., Giosan L., Hussain Z.A., Kim B., Zipper S.C., Holmes R.M., Montlucon D.B., Galy V. and Eglinton T.I. (2016). Arctic Deltaic Lake Sediments As Recorders of Fluvial Organic Matter Deposition. Frontiers in Earth Science, 4(77), 1-24, DOI:10.3389/feart.2016.00077. Xu Y., Wu Y., Han J. and Li P (2017). The current status of heavy metal in lake sediments from China: Pollution and ecological risk assessment. Ecology and Evolution, 7(14), 5454-5466, DOI:10.1002/ece3.3124. Zdorovennova G., Palshin N., Zdorovennov R., Golosov S., Efremova T., Gavrilenko G. and Terzhevik A. (2016). The Oxygen Regime of a Shallow Lake. Geography, Environment, Sustainability, 9(2), 47-57, DOI:10.15356/2071-9388_02v09_2016_04. https://ges.rgo.ru/jour/article/view/2607 doi:10.24057/2071-9388-2021-094 Authors who publish with this journal agree to the following terms:Authors retain copyright and grant the journal the right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.Authors can enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgment of its initial publication in this journal.Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).The information and opinions presented in the Journal reflect the views of the authors and not of the Journal or its Editorial Board or the Publisher. The GES Journal has used its best endeavors to ensure that the information is correct and current at the time of publication but takes no responsibility for any error, omission, or defect therein. Авторы, публикующие в данном журнале, соглашаются со следующим:Авторы сохраняют за собой авторские права на работу и предоставляют журналу право первой публикации работы на условиях лицензии Creative Commons Attribution License, которая позволяет другим распространять данную работу с обязательным сохранением ссылок на авторов оригинальной работы и оригинальную публикацию в этом журнале.Авторы сохраняют право заключать отдельные контрактные договорённости, касающиеся не-эксклюзивного распространения версии работы в опубликованном здесь виде (например, размещение ее в институтском хранилище, публикацию в книге), со ссылкой на ее оригинальную публикацию в этом журнале.Авторы имеют право размещать их работу CC-BY GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY; Vol 15, No 3 (2022); 61-69 2542-1565 2071-9388 Amazonian lakes hydrological regime sediment provenance info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2022 ftjges https://doi.org/10.24057/2071-9388-2021-094 https://doi.org/10.5654/acta.v12i29.3669 https://doi.org/10.1590/S0044-59672009000100016 https://doi.org/10.1590/S0100-06832011000200002 https://doi.org/10.1002/lob.10230 https://doi.org/10.1590/s2179- 2022-10-11T16:47:29Z Lakes are features found in Brazil’s northern region, commonly formed in sandy-clay layers of the Plio-Pleistocene, in a setting of the extensive flat surface, and under a high precipitation rate. Our goal in this work is to understand the sediment transport dynamic and its relation to the hydrological behavior of the regional lacustrine system. Two lakes were selected, Lago do Italiano (LIT) and Lago do Bicho (LB), situated in the municipality of Bonfim in the state of Roraima, Brazil. The lakes differ in hydrological regime, depth, and vegetation. The methodology involved bibliographical and remote sensor data and field surveys followed by laboratory processing. The results revealed that the lakes are composed of sandy materials, with layers what reach 95% of sand. The grains is medium to fine texture, with morphology angular (0 a 50%) and subangular (18% a 43%) grains, disposed at different depths. The grains’ morphology suggests that their sediment provider source is near and, at the same time, indicates a low energy environment. Concerning the mineralogical attributes, the sediments are of a quartzose nature, which permits their correlation with the arenites of the Boa Vista Formation, a sub-cropping unit. The sediment input is controlled by the seasonal oscillation of the groundwater level and inundation pulses that reach the fluviolacustrine plain of the Tacutu River in which the lakes are inserted. Article in Journal/Newspaper Arctic Geography, Environment, Sustainability (E-Journal) Boa ENVELOPE(15.532,15.532,66.822,66.822) GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY 15 3 61 69

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