# Change and Driving Factor Analysis of Eco-Environment of Typical Lakes in Arid Areas
## 1 Introduction
The results of previous studies have shown that vegetation and biodiversity have gradually recovered, water resources conditions in the regions have significantly improved, and soil desertification has decreased as a result of ecological water conveyance. However, there is currently no comprehensive assessment of the changes in the ecological environment of Taitema Lake, and there is no complete system to quantify and compare the changes in the local ecological environment. Further research is needed to understand the driving factors behind changes in the lake area, especially the relationship between ecological water conveyance and Taitema Lake. This study helps to further understand the relationship among ecological water conveyance, lake area, and lake ecology environment and provides a scientific basis for maintaining the water balance of rivers and lakes in arid areas, maintaining their ecological environment and protecting lake water resources. Terminal lakes are an important component of water resources in arid regions, and protecting their surface area and ecological environment is also a crucial measure for maintaining the ecological health of the entire watershed in arid areas. Therefore, this study can provide a scientific basis for ecological management in other arid regions around the world. By constructing a remote sensing ecological index model, this study can objectively and comprehensively assess the changes in the ecological environment of lakes in arid zones. The model excludes the influence of previous, artificially set thresholds and differs from previous methodsfor evaluating the ecological environment in that it can couple multiple indicators for comprehensive assessment, rather than being based on individual factor analysis. This article is based on long-time-series MODIS data to clarify the changes in the area, the causes, and the ecological environment of Lake Taitema over the next 20 years. Based on remote sensing data and relevant survey data, this article analyzes the changes in lake area and land use at Taitema Lake from 2000 to 2020 after ecological water conveyance. Using a structural equation model, this article explores the correlation between temporal-spatial changes in the Taitema Lake area and ecological water conveyance, analyzes the driving factors of the temporal-spatial changes in the Taitema Lake area, and identifies the dominant factor affecting the lake's size changes. By constructing a remote sensing ecological index model, this article systematically evaluates the ecological quality of the Taitema Lake area, assesses the changes in the ecological environment after ecological water conveyance, and helps to further understand the relationship between ecological water conveyance and the ecological environment. The purpose of this paper is to analyze and study the effect of ecological water conveyance projects on the restoration of the ecological environment of degraded arid zone lakes and the correlation between the changes in the area of arid zone lakes and ecological water conveyance. The results show that with the ecological water conveyance project, the area and ecological environment of Lake Taitema have been gradually restored.