Methodological Framework for a Multi-Scale Study on Hydrological Processes and Soil Erosion in Subtropical Southeast China

H. ZEPP; TANG Jia-Liang; ZHANG Bin

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Methodological Framework for a Multi-Scale Study on Hydrological Processes and Soil Erosion in Subtropical Southeast China

机译：中国亚热带东南部水文过程和土壤侵蚀的多尺度研究的方法框架

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This paper introduces and illustrates the concepts of geoecological process combinations and geographical or landscape dimensions by outlining the methodology of a Sino-German cooperative project in Southeast China and presents the first results of the modelling process for the catchment scale. The project equipped a catchment in subtropical Southeast China from plot scale to catchment scale in order to study the hydrological and soil erosion processes. Distinct spatial differences in principal water and soil material fluxes were quantified. Deep drainage peaks occurred in May, June and July and even in August and November. Measurements in erosion plots as well as sedimentary deposits revealed that there was soil erosion connected with overland flow. Consistent with the results from the regular catenary variations of soil colors, textural stratification and hydrograph analysis, there was also a clear indication of interflow from measured soil moisture data. The experimental set up has the potential to further deepen the understanding of small-scale processes involved in lateral water fluxes and soil erosion. The expected results and interpretations will lead to a further integration of the collected data. In the future, to understand matter transfer in and between landscape ecological units, agricultural influence on nutrient status and flux data will be incorporated.

机译：本文通过概述中国东南部中德合作项目的方法，介绍并说明了地球生态过程组合和地理或景观尺寸的概念，并提出了流域规模建模过程的第一个结果。为了研究水文和水土流失过程，该项目从地块规模到集水区规模为中国亚热带东南部的一个集水区进行了装备。量化了主要水和土壤物质通量的明显空间差异。 5月，6月和7月，甚至8月和11月都出现了深层排水高峰。对侵蚀区和沉积物的测量表明，土壤侵蚀与陆上径流有关。与土壤颜色的常规悬链线变化，纹理分层和水位图分析的结果一致，从测得的土壤水分数据中也清楚地表明存在互流现象。实验装置有可能进一步加深对横向水通量和土壤侵蚀所涉及的小规模过程的理解。预期的结果和解释将导致所收集数据的进一步整合。将来，为了了解景观生态单元之间及其之间的物质转移，将结合农业对养分状况和通量数据的影响。

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来源
《土壤圈（英文版）》 |2005年第6期|695-706|共12页
作者
H. ZEPP; TANG Jia-Liang; ZHANG Bin;
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作者单位

Geographical Institute, Ruhr-University Bochum, D-44780 Bochum, (Germany);

Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing 210008 (China);

Institute of Soil Science, Chinese Academy of Sciences, P.O. Box 821, Nanjing 210008 (China);

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类农业基础科学;
关键词
catchment; geoecological process combination; landscape ecology; soil erosion;

机译：流域;地质生态过程组合;景观生态学;水土流失;

Methodological Framework for a Multi-Scale Study on Hydrological Processes and Soil Erosion in Subtropical Southeast China

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