Assessment of Spatial-Temporal Changes of Ecological Environment Quality and Its Driving Force in Aksu Region Based on Remote Sensing Ecological Index

LI Juan; ZHANG Yongfu; YU Tingting; YAN Ruiqi

doi:10.13870/j.cnki.stbcxb.2023.06.042

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Assessment of Spatial-Temporal Changes of Ecological Environment Quality and Its Driving Force in Aksu Region Based on Remote Sensing Ecological Index

更新时间：2025-03-12

- Assessment of Spatial-Temporal Changes of Ecological Environment Quality and Its Driving Force in Aksu Region Based on Remote Sensing Ecological Index
- Vol. 37, Issue 6, Pages: 333-340(2023)
- 作者机构：
  
  1. 新疆大学地理与遥感科学学院,乌鲁木齐,830046
  2. 新疆大学绿洲生态教育部重点实验室,乌鲁木齐,830046
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2023.06.042
  CLC：
- Published：2023
- 稿件说明：
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LI Juan, ZHANG Yongfu, YU Tingting, et al. Assessment of Spatial-Temporal Changes of Ecological Environment Quality and Its Driving Force in Aksu Region Based on Remote Sensing Ecological Index[J]. 2023, 37(6): 333-340.
DOI：

LI Juan, ZHANG Yongfu, YU Tingting, et al. Assessment of Spatial-Temporal Changes of Ecological Environment Quality and Its Driving Force in Aksu Region Based on Remote Sensing Ecological Index[J]. 2023, 37(6): 333-340. DOI： 10.13870/j.cnki.stbcxb.2023.06.042.

摘要

为及时全面地监测阿克苏地区生态环境质量的时空变化

基于谷歌地球引擎(GEE)平台

利用MODIS多光谱传感器2005年、2010年、2015年、2020年的遥感数据构建遥感生态指数(RSEI)

运用Moran指数、地理探测器等方法探究阿克苏地区生态环境质量时空演变及影响因素检测。结果表明:(1)2005-2020年阿克苏地区RSEI由0.24增至0.27

生态环境质量呈波动上升趋势

RSEI高值区主要分布于阿克苏地区北缘以及中部绿洲区

低值区主要分布于沙漠、戈壁等地。(2)2005-2020年

RSEI全局Moran指数为0.80~0.87

表明阿克苏地区RSEI呈较强的正相关;其聚集分布以高-高(H-H)和低-低(L-L)分布为主。(3)各因子对空间异质解释力(q值)在2005-2020年存在不同程度变化

土地利用和降水为关键影响因素。同时

相比单因子

交互探测的影响力均大于单一因子的作用强度。研究结果可为当地生态环境保护提供数据支撑及方法借鉴。

Abstract

In order to monitor the spatiotemporal variations of ecological environment quality in the Aksu region comprehensively and timely

this study utilized the Google Earth Engine (GEE) platform to construct a remote sensing ecological index (RSEI) based on MODIS multispectral sensor data from 2005

2010

2015

and 2020. Additionally

the Moran index and Geo-detector were employed to investigate the spatial and temporal evolution of ecological quality and identify impact factors in the Aksu region. The findings indicated that: (1) The RSEI in the Aksu area increased from 0.24 to 0.27 between 2005 and 2020

exhibiting a fluctuating upward trend in ecological environmental quality. The high RSEI values were predominantly observed in the northern edge and central oasis region

while the low values were concentrated in the desert and Gobi region. (2) Throughout 2005-2020

the overall Moran index of the RSEI ranged between 0.80 and 0.87

signifying a strong positive correlation in the Aksu region

with high-high (H-H) and low-low (L-L) clusters being dominant. (3) From 2005 to 2020

the explanatory power of various factors in spatial heterogeneity (q-value) varied to different extents

with land use and rainfall identified as key drivers. Furthermore

the influence of interaction detection surpassed that of individual factors. This research provides valuable data and methodological references for the protection of the local ecological environment.

关键词

Keywords

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