Tectonic and lithological controls on fluvial landscape development in central-eastern Portugal: Insights from long profile tributary stream analyses
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- 作者：Antó ; nio A. Martinsa ; aam@uevora.pt" class="auth_mail" title="E-mail the corresponding author ; Joã ; o Cabralb ; jcabral@fc.ul.pt" class="auth_mail" title="E-mail the corresponding author ; Pedro P. Cunhac ; pcunha@dct.uc.pt" class="auth_mail" title="E-mail the corresponding author ; Martin Stokesd ; M.Stokes@plymouth.ac.uk" class="auth_mail" title="E-mail the corresponding author ; José ; Borgese ; jborges@uevora.pt" class="auth_mail" title="E-mail the corresponding author ; Bento Caldeirae ; bafcc@uevora.pt" class="auth_mail" title="E-mail the corresponding author ; A. Cardoso Martinsf ; amcmartins93@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Knickpoint/knickzone ; Equilibrium long profile ; Fluvial incision ; Uplift
- 刊名：Geomorphology
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：276
- 期：Complete
- 页码：144-163
- 全文大小：6433 K
文摘
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Long profiles of tributaries to the Tagus and Zêzere rivers (Portugal) were analyzed.
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Tributaries flow across fault bounded blocks with different bedrock lithologies.
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A knickpoint/zone separates graded upstream and downstream rejuvenated reaches.
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Profile shape and quantification reveals upstream incision wave propagation.
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Incision is linked to rock strength and local-regional uplift variability.