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Monitoring the river plume induced by heavy rainfall events in large, shallow, Lake Taihu using MODIS 250m imagery by Yunlin Zhang; Kun Shi; Yongqiang Zhou; Xiaohan Liu; Boqiang Qin is a Environmental Science article available to read on EtoBox.

What is Monitoring the river plume induced by heavy rainfall events in large, shallow, Lake Taihu using MODIS 250m imagery about?

Knowledge of stormwater river plume dynamics is important for the management of lake water quality because river discharge associated with rainstorms can be a major source of pollutants for lake waters. Total suspended matter (TSM) derived from the discharge of sediment-laden rivers is highly variable over a wide range of time and space scales. In the present study, the first use of remote sensing to monitor the river TSM plume was conducted to investigate the effects of heavy rainfall events on Lake Taihu by the largest inflowing river (Tiaoxi River) based on a calibrated and validated model using daily 250 m MODIS imagery in band 1 (620-670 nm). From 2004 to 2013, 48 MODIS images of 20 heavy rainfall events were obtained, showing that the area of the TSM plume significantly increased in the waters adjacent to the inflowing river, reflecting runoff input. The TSM concentration of the river plume after heavy rainfall was significantly higher than that before rainfall (ANOVA, p ˂ 0.001). A significantly positive correlation between the TSM plume area and the rainfall amount in heavy rainfall events (p ˂ 0.01) was also observed. The heaviest rainfall event, in October 2013, caused a

Who reads Monitoring the river plume induced by heavy rainfall events in large, shallow, Lake Taihu using MODIS 250m imagery?

Author

Yunlin Zhang; Kun Shi; Yongqiang Zhou; Xiaohan Liu; Boqiang Qin

Published

2016

Language

EN

Field

Environmental Science (Physical Sciences)