a deposit full of nutrients that is found at the bottom of a body of water
gyttja in American English
(ˈjɪttʃɑː)
noun
Geology
a mud rich in organic matter, found at the bottom or near the shore of certain lakes
Word origin
[1885–90; ‹ Sw, akin to gjuta to pour]This word is first recorded in the period 1885–90. Other words that entered Englishat around the same time include: foregut, lineup, seminar, twofer, zoom
Examples of 'gyttja' in a sentence
gyttja
Part of them, developed from highly calcareous gyttja, may be called limnic rendzinas.
Lemkowska Bożena, Sowiński Paweł 2018, 'Limnic Rendzinas in the Mazurian Lakeland (NE Poland)', Soil Science Annualhttp://www.degruyter.com/view/j/ssa.2018.69.issue-2/ssa-2018-0011/ssa-2018-0011.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The eemian gyttja was used as a foundation in the engineering construction.
Malinowska Edyta E., Bajda Marek 2018, 'Analysis of yield stress ratio and overconsolidation ratio as parameter determinationpreconsolidation in eemian gyttja', Annals of Warsaw University of Life Sciences, Land Reclamationhttp://www.degruyter.com/view/j/sggw.2018.50.issue-2/sggw-2018-0009/sggw-2018-0009.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
They consisted of three different types of gyttja (fine grain-size, clayey-calcareous,clayey).
Joanna Cieślewicz, Mirosław Kobierski, Marcin Cichosz 2017, 'Geochemical assessment of lake sediments in protected areas in Poland – a search forreference condition', Journal of Limnologyhttps://www.jlimnol.it/index.php/jlimnol/article/view/1582. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Two cores of clay-gyttja with an intervening sand layer were analysed for diatoms and pollen.
H. Haila, K. Sarmaja-Korjonen, A. Uutela 1991, 'Development of a Litorina Bay at Epoo, near Porvoo, southern Finland', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume63/sgs_bt_063_2_pages_105_119.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The section consists of fine organic sand, silt with organic matter and gyttja.
Niska Monika, Roman Małgorzata 2014, 'Development of Kubłowo Palaeolake in Central Poland During Eemian Based on SubfossilCladocera Analysis – Preliminary Results', Studia Quaternariahttp://www.degruyter.com/view/j/squa.2014.31.issue-1/squa-2014-0003/squa-2014-0003.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Present-day organic-rich sediments have been described both in fresh (‘gyttja') and brackish or saline waters mostly in the boreal zones.
H. L. BANCIU 2018, 'The saline organic-rich sediments: A short overview.', Aerul şi Apa: Componente ale Mediuluihttp://aerapa.conference.ubbcluj.ro/2018/PDF/16_BANCIU_129_135.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The organic matter and fibre contents of the gyttja were > 45 %, and both decreased with depth.
S. Malloy, J.S. Price 2017, 'Consolidation of gyttja in a rewetted fen peatland: Potential implications for restoration',Mires and Peathttp://mires-and-peat.net/media/map19/map_19_05.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
More than 50% of peatlands developed on organic gyttja, 27% on calcareous gyttja,and almost 14% on mineral gyttja.
Lemkowska Bożena 2016, 'Differentiation of fen bedrock in the Mrągowo Lakeland (NE Poland) in relation toPleistocene terrain morphogenesis', Soil Science Annualhttp://www.degruyter.com/view/j/ssa.2016.67.issue-2/ssa-2016-0008/ssa-2016-0008.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)