基于GEE的干旱区流域湿地水体时空动态变化特征分析--以宁夏平原为例

doi:10.13474/j.cnki.11-2246.2023.0033

测绘通报 ›› 2023, Vol. 0 ›› Issue (2): 9-14.doi: 10.13474/j.cnki.11-2246.2023.0033

基于GEE的干旱区流域湿地水体时空动态变化特征分析--以宁夏平原为例

邹业斌^1,2, 柴明堂^1,2, 杨娟¹, 申晓晶¹, 冯东溥¹, 舒瑞^3,4

1. 宁夏大学土木与水利工程学院, 宁夏银川 750021;
2. 宁夏回族自治区黄河水联网数字治水重点实验室, 宁夏银川 750021;
3. 中国地质大学(武汉)公共管理学院, 湖北武汉 430074;
4. 宁夏自然资源勘测调查院, 宁夏银川 750002

收稿日期:2022-09-29 发布日期:2023-03-01
通讯作者: 柴明堂。E-mail:cmt620422@163.com
作者简介:邹业斌(1991-),男,博士,讲师,主要研究方向为遥感水文和地理信息。E-mail:zouyebin@sina.cn
基金资助:
宁夏自然科学基金(2021AAC03060;2022AAC03052;2021AAC03043);宁夏高等学校一流学科建设项目(NXYLXK2021A03)

Analysis of spatial-temporal dynamic change characteristics of wetland water body in arid basin based on GEE:a case study of Ningxia plain

ZOU Yebin^1,2, CHAI Mingtang^1,2, YANG Juan¹, SHEN Xiaojing¹, FENG Dongpu¹, SHU Rui^3,4

1. School of Civil and Hydraulic Engineering, Ningxia University, Yinchuan 750021, China;
2. Key Laboratory of the Internet of Water and Digital Water Governance of Yellow River, Ningxia University, Yinchuan 750021, China;
3. School of Public Administration, China University of Geosciences, Wuhan 430074, China;
4. Ningxia Natural Resources Survey and Investigation Institute, Yinchuan 750002, China

Received:2022-09-29 Published:2023-03-01

摘要/Abstract

摘要： 黄河流域生态保护和高质量发展已成为国家重大战略,宁夏平原为黄河流域具有代表性的典型湿地区域。本文基于谷歌地球引擎平台(GEE)对宁夏平原1984-2020年湿地水体的历史覆盖、面积变化、类型转变及季节性演变等动态信息进行分析与评价。结果表明:① 1984-2020年宁夏平原湿地水体历史覆盖面积为1 373.86 km²,占研究区面积的8.1%,全时段覆盖水体面积为116.46 km²;② 1984-1999年至2000-2020年宁夏平原地表水体面积共计增加482.99 km²,总体面积变化率为45.6%;③ 研究区新增永久性水体明显,过去37年新增永久性水体218.89 km²,同时季节性水体面积变化幅度较大;④ 2020年,全年覆盖水体占比为39.45%,而1-6月覆盖时间的水体面积占比超过50%。本文成果可为环境保护和黄河流域高质量发展提供数据支撑。

关键词: 地表湿地水体, 水体面积变化, 水体类型转变, 水体季节性演变, 谷歌地球引擎平台

Abstract: Ecological conservation and high-quality development of the Yellow River Basin has become a major national strategy. NingXia plan is a representative wetland area in the arid region. Based on the google earth engine platform, the dynamic information such as historical coverage, area change, type change and seasonal evolution of wetland water bodies in the Ningxia plain from 1984 to 2020 was analyzed and evaluated. The results show that: ① From 1984 to 2020, the historical coverage area of wetlands in the Ningxia plain was 1 373.86 km², accounting for 8.1% of the national land area of the study area, and the area covered by water body in the whole period was 116.46 km². ② From 1984-1999 to 2000-2020, the surface water area of the Ningxia plain increased by 483 km², and the overall area change rate was 45.6%. ③ In the past 37 years, the newly added permanent water bodies in the study area have increased significantly by 218.89 km², and the seasonal water body area has changed greatly. ④ In terms of the number of months covered by surface water, in 2020, 39.45% of the water bodies persisted throughout the year, while the area of water bodies covered by 1 to 6 months accounted for more than 50% of the total. The research can provide date support for environmental protection and high-quality development of the Yellow River Basin.

Key words: surface wetland water bodies, change of water area, change of water type, seasonal change of water bodies, Google Earth Engine

中图分类号:

P237

邹业斌, 柴明堂, 杨娟, 申晓晶, 冯东溥, 舒瑞. 基于GEE的干旱区流域湿地水体时空动态变化特征分析--以宁夏平原为例[J]. 测绘通报, 2023, 0(2): 9-14.

ZOU Yebin, CHAI Mingtang, YANG Juan, SHEN Xiaojing, FENG Dongpu, SHU Rui. Analysis of spatial-temporal dynamic change characteristics of wetland water body in arid basin based on GEE:a case study of Ningxia plain[J]. Bulletin of Surveying and Mapping, 2023, 0(2): 9-14.

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基于GEE的干旱区流域湿地水体时空动态变化特征分析--以宁夏平原为例

Analysis of spatial-temporal dynamic change characteristics of wetland water body in arid basin based on GEE:a case study of Ningxia plain

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