Spatial and temporal variations in denudation rates derived from cosmogenic nuclides in four European fluvial terrace sequences

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F16%3A10334179" target="_blank" >RIV/00216208:11310/16:10334179 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.geomorph.2016.08.018" target="_blank" >http://dx.doi.org/10.1016/j.geomorph.2016.08.018</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.geomorph.2016.08.018" target="_blank" >10.1016/j.geomorph.2016.08.018</a>

Result language

angličtina

Original language name

Spatial and temporal variations in denudation rates derived from cosmogenic nuclides in four European fluvial terrace sequences

Original language description

The denudation of landscapes is affected by temporal and spatial variations in tectonics, climate, and vegetation. However, deciphering the contributions of these different processes has proven challenging. In this study, cosmogenic nuclide-derived modern and paleo catchment-wide denudation rates in four European rivers are investigated. We present 12 new and 4 recalculated cosmogenic nuclide-derived denudation rates from modern river sediments and 14 paleo-denudation rates from terraces deposited over the last 2 Ma. The catchments studied are located in regions with minimal Quaternary tectonic activity and span different climates over 12 degrees latitude. Results indicate that modern denudation rates range between 16 +/- 11 and 51 +/- 7 mm/ka with no clear latitudinal variation. Modern denudation rates are compared with catchment geomorphic indices including slope, fluvial steepness index, and relief. The denudation rates correlate better to catchment topographic indices (R-2 approximate to 0.4) rather than climate. Paleo-denudation rates range from 8 +/- 7 to 56 +/- 7 mm/ka and are associated with a possible increase in the average paleo-denudation rates over the past 2 Ma. Taken together, the results indicate that quantification of catchment-wide denudation rates over long (Quaternary) time scales because of climate change is difficult Future work to study climate influence on denudation rates should focus on the successes of previous work that document transient denudation rates over shorter and more recent time scales, i.e., from the Last Glacial Maximum to present.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DB - Geology and mineralogy

OECD FORD branch

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Project

—

Continuities

S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Geomorphology

ISSN

0169-555X

e-ISSN

—

Volume of the periodical

274

Issue of the periodical within the volume

1.12.2016

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

13

Pages from-to

180-192

UT code for WoS article

000385899700014

EID of the result in the Scopus database

2-s2.0-84979914261