Full
ZHU Xiaomin,born in 1960,Ph.D.,professor,engaged in teaching and research of sedimentology. E-mail: xmzhu@cup.edu.cn.
Outline
The source-to-sink system(S2S)refers to the complete process of sediment erosion,transport,and deposition,in which sediments are generated from erosional landscapes,transported through routing systems,and ultimately deposited within depositional environments. Research on S2S not only advances our comprehensive understanding of Earth surface dynamics and their evolution,but also provides a geological basis and predictive models for identifying favorable sandbody distributions and guiding sedimentary mineral exploration and development. Based on a review of the history of S2S studies,this work highlights current research frontiers,including integrated perspectives on modern S2S systems,deep-time S2S systems and palaeogeographic reconstruction,characterization of S2S processes coupled with geomorphic-sedimentary evolution modeling,and applications of S2S theory in energy geology. Significant progress has been achieved in several aspects,such as classification of S2S systems and characterization of their main types,source-area attributes and sediment supply,sediment transport processes and signal propagation along routing systems,depositional processes(sandbody dispersal systems)and their controlling factors,quantitative characterization of S2S components(e.g.,the BQART model),and prediction of sandbody distribution. Finally,future research should place greater emphasis on the quantitative characterization of sediment transport and signal propagation of routing system,as well as predictive approaches for sandbody distribution.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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