洞庭湖来水来沙、分流分沙、水面面积、湿地面积、水位等系列数据集

包括三口分沙量、分流比数据；洞庭湖泥沙粒径统计表；洞庭湖分月输沙量统计表；洞庭湖各年代平均年输沙量；洞庭湖各站流量；洞庭湖湖区分流河道及滨湖水文测站特征值表；洞庭湖来水来沙构成；洞庭湖区不同年代洪灾次数统计资料；洞庭湖区湿地面积变化；洞庭湖水面面积及容积变化；洞庭湖四水流量与泥沙量；洞庭湖四水、四吸入湖区历史最高与最低水位This dataset includes the following contents: data of sediment diversion volumes and diversion ratios at the three Yangtze outlets inflowing into Dongting Lake; statistical table of sediment particle size distribution for Dongting Lake; monthly statistical table of sediment transport volumes of Dongting Lake; average annual sediment transport volumes of Dongting Lake per decade; flow discharge data of each hydrological station within Dongting Lake area; statistical table of characteristic values for diversion channels in Dongting Lake Basin and lakeside hydrometric stations; composition of incoming water and sediment to Dongting Lake; statistical data on flood disaster frequencies in Dongting Lake Basin across different decades; wetland area changes in Dongting Lake Basin; changes in water surface area and storage volume of Dongting Lake; flow discharge and sediment load of the four major tributaries (Xiang, Zi, Yuan, Li Rivers) of Dongting Lake; historical maximum and minimum water levels of the four major tributaries and the four inlet inflow areas of Dongting Lake

搜集汇总

背景与挑战

背景概述

该数据集是一个综合性水文环境监测系列，涵盖了洞庭湖的来水来沙、分流分沙、水面面积、湿地面积、水位等多个关键指标。它包括时间序列数据如输沙量统计、流量测量、面积变化和历史水位记录，适用于分析洞庭湖的水资源动态、泥沙输移规律和生态变化趋势。数据集的特点在于其多指标集成和长期观测，为水文研究、环境评估和灾害管理提供了基础数据支持。