金沙江观音岩库区植被覆盖度时空差异影响机制分析OA北大核心CSTPCD
Analysis of the Influence Mechanism of Spatial and Temporal Differences in Fraction Vegetation Coverage in the Guanyinyan Reservoir Area of the Jinsha River
金沙江中下游干热河谷地区炎热少雨、水土流失严重、生态环境脆弱,大型水电站建设运行会带来各种影响,探究干热河谷内水电站周边植被覆盖度时空变化特征以及影响机制有重要意义.以观音岩库区为例,以 2000-2022 年Landsat系列遥感影像数据为基础,基于像元二分模型利用归一化植被指数反演植被覆盖度,构建植被覆盖度变化指数探究植被覆盖度时空演变特征,选取地表温度、降水量、高程、坡度、坡向、距河流距离6个地理影响因子,运用普通最小二乘法、地理加权回归分…查看全部>>
The dry-hot valley area in the middle and lower reaches of the Jinsha River is characterized by hot and little rain,serious soil erosion,and a fragile ecological environment.The construction and operation of large-scale hydropower stations have various impacts.Exploring the temporal and spatial variation characteristics and response mechanisms of vegetation coverage around hydropower stations in dry-hot valleys is of great significance.Taking the Guanyinyan …查看全部>>
汪东川;曾孔鹏;李亭蓉;王康健;孙苗苗;俞长锦;杨菲;杨琳;张万恒;刘云绮
天津城建大学地质与测绘学院,天津 300384||天津市水质科学与技术重点实验室,天津 300384天津城建大学地质与测绘学院,天津 300384天津城建大学地质与测绘学院,天津 300384国交空间信息技术(北京)有限公司,北京 101300航天宏图信息技术股份有限公司,天津 300384天津城建大学地质与测绘学院,天津 300384天津城建大学地质与测绘学院,天津 300384重庆市开州中学,重庆 405400天津城建大学地质与测绘学院,天津 300384天津城建大学地质与测绘学院,天津 300384
生物学
干热河谷水电开发植被覆盖度像元二分模型地理加权回归
the dry-hot valleyhydropower developmentFraction Vegetation Coveragedimidiate pixel modelgeographically weighted regression
《生态环境学报》 2024 (7)
997-1007,11
国家自然科学基金项目(42271103)
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