[1]陈印,刚成诚*,刘欢欢,等. 基于GEE的苹果园地遥感信息提取研究——以陕西省渭北旱塬区为例[J].西北林学院学报,2024,39(1):36-43.[doi:10.3969/j.issn.1001-7461.2024.01.05]
　CHEN Yin,GANG Cheng-cheng*,LIU Huan-huan,et al. Remote Sensing Extraction of Apple Orchard Based on GEE——A Case Study of Weibei Plateau Region in Shaanxi Province[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2024,39(1):36-43.[doi:10.3969/j.issn.1001-7461.2024.01.05]
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 基于GEE的苹果园地遥感信息提取研究——以陕西省渭北旱塬区为例()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第39卷
期数:
2024年第1期
页码:
36-43
栏目:
出版日期:
2024-01-31

文章信息/Info

Title:
 Remote Sensing Extraction of Apple Orchard Based on GEE——A Case Study of Weibei Plateau Region in Shaanxi Province
文章编号:
1001-7461(2024)01-0036-08
作者:
 陈印1; 刚成诚2; 3*; 刘欢欢1; 刘悦1; 范蒙恩1; 陈宇1; 张曼2; 3; 于子涵4
 （1.西北农林科技大学 草业与草原学院，陕西 杨陵 712100；2.西北农林科技大学 水土保持研究所，陕西 杨陵 712100；3.中国科学院水利部 水土保持研究所，陕西 杨陵 712100；4.西北农林科技大学 资源环境学院，陕西 杨陵 712100）
Author(s):
 CHEN Yin1; GANG Cheng-cheng2; 3*; LIU Huan-huan1; LIU Yue1; FAN Meng-en1; CHEN Yu1; ZHANG Man2; 3; YU Zi-han4
 (1.College of Grassland Agriculture,Northwest A&F University,Yangling 712100,Shaanxi,China; 2.Institute of Soil and Water Conservation,Northwest A&F University,Yangling 712100,Shaanxi,China; 3.Institute of Soil and Water Conservation,Ministry of Water Resources,Chinese Academy of Sciences,Yangling 712100,Shaanxi,China; 4.College of Natural Resources and Environment,Northwest A&F University,Yangling 712100,Shaanxi,China)
关键词:
 ; Google Earth Engine; 苹果园; Sentinel-2; 纹理特征; 渭北旱塬区
Keywords:
 ; Google Earth Engine;  apple orchard;  Sentinel-2;  texture feature;  Weibei Plateau region
分类号:
S127
DOI:
10.3969/j.issn.1001-7461.2024.01.05
文献标志码:
A
摘要:
 准确掌握苹果园空间分布及动态变化对苹果产业发展及规划具有重要意义。以陕西主要种植区——渭北旱塬区14个县（区）为研究区，基于Google Earth Engine(GEE)云计算平台，以2020年Sentinel-2卫星影像的Level-2A级数据为数据源，结合实地采样获得的461个苹果园样本点，构建包含光谱特征、遥感植被指数、纹理特征和地形特征等共计21个特征作为分类特征集，利用随机森林分类方法对研究区苹果园地空间信息进行提取。结果表明，研究区苹果种植面积为23.03万hm2，连片种植的苹果园主要分布于延安市洛川县、渭南市白水县、咸阳市淳化县和咸阳市彬州市，种植面积分别为3.54、3.21、2.90万hm2和2.51万hm2；包含光谱特征、遥感植被指数、纹理特征和地形特征的分类特征集在提取苹果园空间格局方面效果最优，苹果园地提取的总体精度和Kappa系数分别为94%和0.86，高于其他分类特征组合。研究成果可为未来陕西省苹果产业合理规划及果园精细化管理提供科学依据和数据支撑。
Abstract:
 Shaanxi Province is the best apple production region in the world with the largest contiguous apple planting area.Accurate understanding of the spatial patterns and dynamic changes of apple orchards is of paramount importance for the advancement of strategic planning of the apple industry.Fourteen counties located in the Weibei Plateau of Shaanxi Province were taken as the research area.Based on the Google Earth Engine (GEE) cloud computing platform,leveraged Level-2A data from Sentinel-2 remote sensing images in 2020 were used as data source.Combining with the 461 on-site sample points from apple orchards,a comprehensive set of 21 classification features including spectral features,remote sensing vegetation index,texture features,and topographic features were constructed.The random forest classification method was used to extract the spatial information of apple orchards in the Weibei Plateau.The results showed that the planting area of apple orchards was 200 300 hm2.Apple orchards with contiguous distribution were mainly distributed in Luochuan of Yan’an,Baishui of Weinan,Chunhua of Xianyang,and Binzhou of Xianyang,with planting areas of 35 400,32 100,29 000 hm2 and 25 100 hm2,respectively.The scheme combining spectral features,remote sensing vegetation index,texture features,and topographic features performed the best among all these classification schemes with overall accuracy and the Kappa coefficient of 94% and 0.86,respectively.Our findings provide a scientific basis and data support for the rational planning of the apple industry and the refined management of apple orchards in Shaanxi.

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备注/Memo

备注/Memo:
 收稿日期：2023-09-02修回日期：2023-09-29
基金项目：国家自然科学基金（31602004）；青海省防灾减灾重点实验室开放基金（QFZ-2021-Z06）；陕西省自然科学基金（2021JQ-171）。
第一作者：陈印。研究方向：草地生态遥感。E-mail:chenyin228@nwafu.edu.cn
*通信作者：刚成诚，博士，副研究员，硕士生导师。研究方向：生态系统遥感。E-mail:gangcc@ms.iswc.ac.cn
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