Modelling extraordinary floods and sedimentological processes in a large channel-floodplain system of the Lower Parana River （Argentina）-中国期刊网

摘要 Aquasi-2Dunsteadyflowandsedimenttransportmodelsuitableforthesimulationoflargelowlandriversystems,includingtheirfloodplains,ispresented.Thewaterflowandsedimentequationsarediscretisedusinganinterconnectedirregularcellsscheme,inwhichdifferentsimplificationsofthe1DdeSaintVenantequationsareusedtodefinethedischargelawsbetweencells.Spatially-distributedtransportanddepositionoffinesedimentsthroughouttheriver-floodplainsystemaresimulated.Themodelisappliedovera208-kmreachoftheParanaRiverbetweenthecitiesofDiamanteandRamallo(Argentina)comprisingariver-floodplainareaof8100km~2.Aftercalibrationandvalidation,themodelisappliedtopredictwaterandsedimentdynamicsduringsyntheticallygeneratedextraordinaryfloodsof100,1000,and10,000yearsreturnperiod.Thepotentialimpactofa56-kmlongroadembankmentconstructedacrosstheentirefloodplainissimulatedandcomparedtomodelresultswithouttheembankment.Theembankmentresultsinincreasesinupstreamwaterlevels,inundationextent,flowduration,andsedimentdeposition.

1. SIMULATION OF WINTERTIME FLUVIAL PROCESSES IN THE LOWER YELLOW RIVER.水力学及河流动力学,1994-01.
2Jianguo CHEN;Wenhao ZHOU;Anjun DENG. CHANNEL SHRINKAGE AND ITS INSTABILITY IN THE LOWER YELLOW RIVER.地球物理学,2006-01.
3XuejunSHAO;HongWANG;ZhaoyinWANG. FLUVIAL PROCESSES IN THE LOWER JINGJIANG RIVER：IMPACT OF THE THREE GORGES RESERVOIR IMPOUNDMENT.地球物理学,2005-02.
4Chun-hong HU;Jian-guo CHEN;and Qing-chao GUO. Shaping and maintaining a medium-sized main channel in the Lower Yellow River.地球物理学,2012-03.
5. SEDIMENT LOAD AND ITS INFLUENCE ON CHANNEL PROCESSES OF SOME LARGE RIVERS IN RUSSIA AND CHINA.地球物理学,2000-03.
6. Interaction of Physical-Chemical Processes in the Lower Atmosphere with Ecosystem in the Yangtze River Delta Region.大气科学及气象学,1999-01.
7Jianguo Chen;Wenhao Zhou;Shanshan Han;Gaohu Sun. Influences of retrogressive erosion of reservoir on sedimentation of its downstream river channel—A case study on Sanmenxia Reservoir and the Lower Yellow River.地球物理学,2017-03.
8Jianchun HUANG Blair P. GREIMANN Timothy J. RANDLE. Modelling of meander migration in an incised channel.地球物理学,2014-04.
9QIAO Lifang QI Anguo ZHANG Yichuan. Advance in Research of Ecology and Landscape Reconstruction of the River Floodplain In China.自然地理学,2008-01.
10Helmut HABERSACK;Daniel HASPEL. Sediment loads and processes in large rivers.地球物理学,2013-04.

Modelling extraordinary floods and sedimentological processes in a large channel-floodplain system of the Lower Parana River （Argentina）

来源期刊

相关推荐

同分类资源更多

相关关键词

Modelling extraordinary floods and sedimentological processes in a large channel-floodplain system of the Lower Parana River （Argentina）

来源期刊

相关推荐

同分类资源 更多

相关关键词

同分类资源更多