GRYGAR MATYS, T., T. NOVÁKOVÁ, M. MIHALJEVIČ, L. STRNAD, I. SVĚTLÍK, L. KOPTÍKOVÁ, L. LISÁ, Rudolf BRÁZDIL, Zdeněk MÁČKA, Zdeněk STACHOŇ, H. SVITAVSKÁ-SVOBODOVÁ and D.S. WRAY. Surprisingly small increase of the sedimentation rate in the floodplain of Morava River in the Strážnice area, Czech Republic, in the last 1300 years. Catena. Elsevier, 2011, vol. 86, No 3, p. 192-207. ISSN 0341-8162. Available from: https://dx.doi.org/10.1016/j.catena.2011.04.003.
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Basic information
Original name Surprisingly small increase of the sedimentation rate in the floodplain of Morava River in the Strážnice area, Czech Republic, in the last 1300 years
Authors GRYGAR MATYS, T. (203 Czech Republic, guarantor), T. NOVÁKOVÁ (203 Czech Republic), M. MIHALJEVIČ (203 Czech Republic), L. STRNAD (203 Czech Republic), I. SVĚTLÍK (203 Czech Republic), L. KOPTÍKOVÁ (203 Czech Republic), L. LISÁ (203 Czech Republic), Rudolf BRÁZDIL (203 Czech Republic, belonging to the institution), Zdeněk MÁČKA (203 Czech Republic, belonging to the institution), Zdeněk STACHOŇ (203 Czech Republic, belonging to the institution), H. SVITAVSKÁ-SVOBODOVÁ (203 Czech Republic) and D.S. WRAY (826 United Kingdom of Great Britain and Northern Ireland).
Edition Catena, Elsevier, 2011, 0341-8162.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10000 1. Natural Sciences
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 1.889
RIV identification code RIV/00216224:14310/11:00049490
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.catena.2011.04.003
UT WoS 000291919000006
Keywords in English fluvial archives; environmental change; proxy analyses; anthropogenic impact; floodplain fines; chemostratigraphy
Tags AKR, rivok
Changed by Changed by: doc. RNDr. Zdeněk Máčka, Ph.D., učo 7080. Changed: 18/1/2012 18:40.
Abstract
Sediment profiles from the floodplain of Morava River in the Czech Republic have been collected from exposedriver banks (4–6 m long sections) and cores (2–4 m deep) and investigated using a set of geochemical proxies validated by granulometry and conventional geochemical analysis, outlined in our previous paper. Thework was conducted to evaluate the increase in sedimentation rate duringMedieval and modern time periods. Correlation of sediments along the current channel belt allows identification of twomost important synchronous changes in the channel structure over the past 1300 years: in the 13th century and at the end of the 16th century. These changes could be related to central European climatic extremes rather than to land cover/land use practises. Analysis of the pollen record in peaty deposits at the floodplain edge allows excluded dramatic deforestation in Medieval times. Maps of the area from the last five centuries revealed direct and indirect signs of past avulsions and clearly show how the original multichannel system was transformed into a single meandering channel in the early 20th century. The extrapolated aggradation rate (net vertical accretion of floodplain fines except for levee sediments) increased from 0.2–0.3 cm/year in 700 AD to 0.3–0.4 cm/year in 2000 AD depending on the grain size of the sediment. This is the smallest yet reported enhancement of siliclastic deposition, although Morava River watershed has been intensively used for agriculture and its land cover has changed in a manner similar to west and central European rivers.
Links
IAAX00130801, research and development projectName: Vztahy mezi klimatem, antropogenní činností a erozí krajiny zaznamenané v přírodních archívech Strážnického Pomoraví (ČR)
Investor: Academy of Sciences of the Czech Republic, Interplay of climate, human impact, and land erosion recorded in the natural archives of Stráznické Pomoraví (Czech Republic)
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