长江科学院院报2019，Vol.36Issue(2)：8-12,38,6.DOI:10.11988/ckyyb.20170861
荆江河段与洞庭湖水系的采砂量计算分析
Calculation and Analysis of Sand Excavation Quantity in Jingjiang River Reach and Dongting Lake’s River Network
摘要
Abstract
In view of the severe situation of sand excavation in Jingjiang River reach ( middle of the Yangtze River) and Dongting Lake’s river network, we estimate the annual sand excavation quantity of Jingjiang River reach and Dongting Lake’s river network ( mainstream of Xiangjiang River, Zijiang River, Yuanjiang River, and Lishui River) using three methods, namely, volumetric formula, conversion of cement production, and sand mining ships based on remote sensing images in this region. We also analyzed the errors of these three methods as well. Results demonstrate that the annual quantity of sand excavation in the Jingjiang River reach is around (2.6-3.0)×107 t in 2015 with slight changes in the last five years; the annual quantity of sand excavation in the Dongting Lake’s river network is around 1.3×108t in 2015 with slight changes in the last three years. The estimation above is of impor-tance to the evaluation and management of sand excavation in Jingjiang River reach and Dongting Lake region.关键词
荆江河段/洞庭湖水系/采砂量/遥感影像/误差分析Key words
Jingjiang River Reach/Dongting Lake’s river network/sand excavation quantity/remote sensing ima-ges/error analysis分类
建筑与水利引用本文复制引用
李志威,符蔚,胡旭跃,黄草,钟一丹..荆江河段与洞庭湖水系的采砂量计算分析[J].长江科学院院报,2019,36(2):8-12,38,6.基金项目
湖南省科技重大专项(2018SK1010) （2018SK1010）
湖南省教育厅优秀青年项目(16B010) （16B010）
河南省自然科学基金青年项目(2018JJ3547) （2018JJ3547）
