基于连续统去除法的水生植物提取及其时空变化分析——以官厅水库库区为例

汪星,宫兆宁,井然,张磊,金点点

Extraction of aquatic plants based on continuous removal method and analysis of its temporal and spatial changes—A case study of Guanting Reservoir

Xing WANG,Zhao-Ning GONG,Ran JING,Lei ZHANG,Dian-Dian JIN

表1 官厅水库湿地植物类型及光谱数

Table 1 Wetland vegetation types and spectra numbers of Guanting Reservoir

植物类型 Vegetation types 典型湿地植物 Typical wetland plant 光谱数 Number of spectrum 沉水植物 Submerged plants 篦齿眼子菜 Potamogeton pectinatus 9 穗状狐尾藻 Myriophyllum spicatum 8 狸藻 Utricularia vulgaris 3 浮水植物 Floating plants 两栖蓼 Polygonum amphibium 20 挺水植物 Emergent plants 芦苇 Phragmites australis 10 香蒲 Typha angustifolia 10