基于Sentinel-2卫星的潜江市虾稻田时空格局变化研究  

Temporal and spatial pattern changes of rice-crayfish field in Qianjiang city based on Sentinel-2 satellite

作　　者：赵雪梅 夏天[1] 纪文文 吴婕妤 张圣玉 严浩 Zhao Xuemei;Xia Tian;Ji Wenwen;Wu Jieyu;Zhang Shengyu;Yan Hao(College of Urban and Environment Sciences,Central China Normal University,Hubei Wuhan 430079,China;Qianjiang Natural Resources and Planning Bureau,Hubei Qianjiang 433102,China)

机构地区：[1]地理过程分析与模拟湖北省重点实验室/华中师范大学城市与环境科学学院,湖北武汉430079 [2]潜江市自然资源和规划局,湖北潜江433102

出　　处：《中国农业信息》2022年第1期72-82,共11页China Agricultural Informatics

基　　金：国家重点研发计划项目(2019YFA0607401);湖北省自然科学基金(2016CFB558);中央高校基本科研业务费(CCNU19TS045)。

摘　　要：【目的】近年来虾稻共作模式飞速发展,探究虾稻田空间分布变化特征有利于进行农业种植结构调整、增强耕地利用集约化程度,对我国农业可持续发展和粮食安全保障具有重要的现实意义。【方法】文章基于Sentinel-2遥感解译2016—2019年潜江市多期虾稻田空间数据,利用ArcGIS空间分析功能探究2016—2019年虾稻田空间分布变化情况,并利用重心模型及局部空间自相关分析法对虾稻田重心移动方向和空间分布规律进行分析,探究2016—2019年虾稻田空间格局变化规律。【结果】潜江市虾稻田空间分布不均衡,西部及西南部地区分布广而东北部地区分布少;2016—2019年虾稻田面积变化以扩张为主,扩张区域主要位于浩口镇、龙湾镇、熊口镇和张金镇地区;2016—2019年虾稻田重心移动方向为东南向—西向—东北向,标准差椭圆方向亦向东北方向扩张;虾稻田分布呈现明显的空间自相关性,西部、西南部及东北部乡镇虾稻田空间分布呈聚集状态。【结论】2016—2019年潜江市虾稻田呈逐步扩增状态,主要集中于研究区西部及西南部以农业发展为主的地区,其面积扩张主要与农业发展状况、城市化和工业化进程有关。[Purpose]In recent years,rice-crayfish pattern has developed rapidly.To explore the characteristics of the spatial distribution of rice-crayfish fields is beneficial to the adjustment of agricultural planting structure,enhance the degree of intensification of cultivated land use,and provide theoretical basis and scientific suggestions for the future planning of local agricultural development and sustainable economic development.[Method]This study is based on Sentinel-2 remote sensing interpretation of the four phases of rice-crayfish field spatial data in 2016,2017,2018 and 2019 in Qianjiang City,using ArcGIS spatial analysis function to explore the spatial distribution of rice-crayfish fields from 2016 to 2019,and using the gravity center model and the local spatial autocorrelation analysis method,the moving direction and spatial distribution law of the rice-crayfish field’s gravity center were analyzed,and the spatial pattern change law of the shrimp rice field from 2016 to 2019 was explored.[Result]The spatial distribution of rice-crayfish field in Qianjiang City was uneven,which was widely distributed in the West and southwest,but less in the northeast;From 2016 to 2019,the change of ricecrayfish field area is mainly expansion,and the expansion area is mainly located in Haokou,Longwan,Xiongkou and ZhangJin;From 2016 to 2019,the gravity center of rice-crayfish field moves from southeast to west to northeast,and the standard deviation ellipse also expands to northeast;The spatial distribution of rice-crayfish fields showed obvious spatial autocorrelation,and the spatial distribution of rice-crayfish fields in villages and towns in the west,southwest and northeast showed aggregation.[Conclusion ]From 2016 to 2019,the rice-crayfish fields in Qianjiang City were gradually expanding,mainly concentrated in the western and southwestern part of the study area,which were dominated by agricultural development.The area expansion was mainly related to the state of agricultural development,urbanization and industrializat

关 键 词：虾稻共作 时空格局变化 虾稻田 潜江市 

分 类 号：S127[农业科学—农业基础科学] S511S966.12