Flood bench chronology and sediment source tracing in the upper Thina catchment, South Africa: the role of transformed landscape connectivity

van der Waal Bennie; Rowntree Kate; Pulley Simon

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Flood bench chronology and sediment source tracing in the upper Thina catchment, South Africa: the role of transformed landscape connectivity

机译：南非Thina上游流域的台架年代学和沉积物来源追踪：景观连通性的转变

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摘要

Sediment pressures can be increased by transformed landscape connectivity in catchments worldwide. The upper Thina catchment, an important high rainfall water resource in the northern Eastern Cape, South Africa, is used to explore how ongoing subsistence farming on communal land (overgrazing and trampling) has initiated large erosive features and increased sediment loads.

机译：通过改变全球集水区的景观连通性，可以增加泥沙压力。 Thina上游流域是南非东开普省北部重要的高降雨水资源，用于研究在公共土地上进行的自给自足农业（过度放牧和践踏）如何引发大面积侵蚀和增加泥沙负荷。

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来源
《Journal of soil & sediments》 |2015年第12期|2398-2411|共14页
作者
van der Waal Bennie; Rowntree Kate; Pulley Simon;
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作者单位

Rhodes Univ, Dept Geog, ZA-6140 Grahamstown, South Africa;

Rhodes Univ, Dept Geog, ZA-6140 Grahamstown, South Africa;

Rhodes Univ, Dept Geog, ZA-6140 Grahamstown, South Africa;

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正文语种 eng
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关键词
Contrasting lithologies; Floodplain cores; Mineral magnetic fingerprinting; Radionuclide dating; Sediment tracing; Umzimvubu catchment;

机译：岩性对比;漫滩岩心;矿物指纹图谱;放射性核素测年;沉积物示踪;Umzimvubu流域;

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机译：南非东开普省Thina Catchment上游的沉积物连通性

Flood bench chronology and sediment source tracing in the upper Thina catchment, South Africa: the role of transformed landscape connectivity

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