Article(id=1325194198860836939, tenantId=1146029695717560320, journalId=1319690209941618849, issueId=1325194116245619276, articleNumber=null, orderNo=null, doi=10.12398/j.issn.2096-7217.2026.02.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1745510400000, receivedDateStr=2025-04-25, revisedDate=1750780800000, revisedDateStr=2025-06-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1793880517926, onlineDateStr=2026-11-05, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793880517926, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793880517926, creator=13701087609, updateTime=1793880517926, updator=13701087609, issue=Issue{id=1325194116245619276, tenantId=1146029695717560320, journalId=1319690209941618849, year='2026', volume='7', issue='2', pageStart='1', pageEnd='200', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793880498229, creator='13701087609', updateTime=1793943300582, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1325457528724795795, tenantId=1146029695717560320, journalId=1319690209941618849, issueId=1325194116245619276, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1325457528724795796, tenantId=1146029695717560320, journalId=1319690209941618849, issueId=1325194116245619276, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=161, endPage=168, ext={EN=ArticleExt(id=1325194199049580620, articleId=1325194198860836939, tenantId=1146029695717560320, journalId=1319690209941618849, language=EN, title=Analysis of spatial-temporal evolution of cultivated land based on temporal index characteristics, columnId=null, journalTitle=Journal of Intelligent Agricultural Mechanization, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Accurately obtaining annual cropland area and spatiotemporal change information is crucial for safeguarding the agricultural land redline and improving the efficient, economical, and intensive utilization of water resources. It also provides a scientific basis for navigation and intelligent scheduling of agricultural machinery, thereby effectively enhancing the precision and efficiency of mechanized agricultural operations. Taking the Aksu river basin in the Xinjiang Uygur Autonomous Region as an example, this study proposes a method for extracting cropland spatiotemporal change information based on time-series index features. First, based on NDVI data derived from time-series remote sensing images covering the entire crop growth phenological period, annual composite vegetation index images are generated using the maximum value compositing method, and these images are stacked into bands to construct a time-series index feature image. Second, an object-oriented segmentation approach is applied to perform multi-scale segmentation on the feature image to obtain segmentation results. Finally, the change patterns of cropland across different years revealed by the feature image are analyzed, and extraction rules for different cropland change types are established. A decision tree classification method is then employed to achieve rapid extraction of annual cropland spatiotemporal change information. Experimental results demonstrate that the proposed method can extract annual cropland change information rapidly and accurately. Analysis of the annual change information shows that the cropland area in the Aksu river basin exhibited an overall increasing trend from 2021 to 2024, with relatively high growth rates of 1.24% and 1.28% in 2022 and 2023, respectively, while the growth rate slowed to 0.42% in 2024. To validate the accuracy of the extraction results, a comparison between the statistical yearbook data of selected counties and the remote sensing monitoring data was conducted, revealing a relative error of approximately 5%. This confirms that the proposed method attains satisfactory accuracy in extracting cropland area.

, authors=Yang Yang, Kun Li, Wei Song, Mengchen Shi, authorsList=Yang Yang, Kun Li, Wei Song, Mengchen Shi, authorCompany=null, correspAuthors=Wei Song, authorNote=

Yang Yang, E-mail:

, correspAuthorsNote=
* Song Wei, E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325194199338987597, articleId=1325194198860836939, tenantId=1146029695717560320, journalId=1319690209941618849, language=CN, title=基于时序指数特征的耕地时空演变分析研究, columnId=0, journalTitle=智能化农业装备学报(中英文), columnName=, runingTitle=null, highlight=null, articleAbstract=

准确获取年度耕地面积与时空变化信息对于保障农业耕地红线和提升水资源高效节约集约利用水平至关重要,为农机作业提供科学导航与智能调度依据,有效提升农业机械化作业精度与效率。本研究以新疆维吾尔自治区阿克苏河流域为例,提出一种基于时序指数特征的耕地时空变化信息提取方法。首先基于农作物整个生长物候期时序遥感影像NDVI数据,采用最大值合成的方法获取年度综合植被指数影像,将其进行波段叠加构造得到时序指数特征影像;其次采用面向对象分割的方法对特征影像进行多尺度分割,得到分割结果;最后分析不同年度变化耕地在特征影像上的变化规律,构建不同变化类型耕地提取规则,采用决策树分类的方法实现不同年度耕地时空变化信息的快速提取。实验结果表明:采用本研究方法可以实现各年度耕地变化信息的快速准确提取。通过分析各年度耕地变化信息可知,2021—2024年间阿克苏河流域耕地面积整体呈增加趋势,2022年与2023年耕地增长率较大,为1.24%、1.28%;2024年耕地增长放缓,增长率为0.42%。为验证提取结果的准确性,基于部分县统计年鉴数据与遥感监测数据对比,结果显示两者相对误差在5%左右,由此说明本研究方法提取耕地面积准确性较好。

, authors=杨阳, 李昆, 宋伟*, *, 石孟宸, authorsList=杨阳, 李昆, 宋伟, 石孟宸, authorCompany=null, correspAuthors=宋伟, authorNote=

杨阳,女,1986年生,河南南阳人,硕士,高级工程师;研究方向为农业遥感信息智能提取。E-mail:

, correspAuthorsNote=
* 宋伟,男,1992年生,河南漯河人,硕士,工程师;研究方向为遥感信息智能提取与应用。E-mail:
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杨阳,女,1986年生,河南南阳人,硕士,高级工程师;研究方向为农业遥感信息智能提取。E-mail:

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基于时序指数特征的耕地时空演变分析研究
杨阳 , 李昆 , 宋伟 *, * , 石孟宸
智能化农业装备学报(中英文) | 2026,7(2): 161-168
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智能化农业装备学报(中英文) | 2026 , 7 (2) : 161 -168
基于时序指数特征的耕地时空演变分析研究
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杨阳 , 李昆, 宋伟*, * , 石孟宸
作者信息
  • 黄河水利委员会信息中心,河南 郑州,450003
通讯作者:
* 宋伟,男,1992年生,河南漯河人,硕士,工程师;研究方向为遥感信息智能提取与应用。E-mail:
作者简介:

杨阳,女,1986年生,河南南阳人,硕士,高级工程师;研究方向为农业遥感信息智能提取。E-mail:

Analysis of spatial-temporal evolution of cultivated land based on temporal index characteristics
Yang Yang , Kun Li, Wei Song , Mengchen Shi
Affiliations
  • Yellow River Water Conservancy Commission Information Center, Zhengzhou 450003, China
  • Corresponding Author:
    * Song Wei, E-mail:

    Yang Yang, E-mail:

出版时间: 2026-05-15 doi: 10.12398/j.issn.2096-7217.2026.02.015
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准确获取年度耕地面积与时空变化信息对于保障农业耕地红线和提升水资源高效节约集约利用水平至关重要,为农机作业提供科学导航与智能调度依据,有效提升农业机械化作业精度与效率。本研究以新疆维吾尔自治区阿克苏河流域为例,提出一种基于时序指数特征的耕地时空变化信息提取方法。首先基于农作物整个生长物候期时序遥感影像NDVI数据,采用最大值合成的方法获取年度综合植被指数影像,将其进行波段叠加构造得到时序指数特征影像;其次采用面向对象分割的方法对特征影像进行多尺度分割,得到分割结果;最后分析不同年度变化耕地在特征影像上的变化规律,构建不同变化类型耕地提取规则,采用决策树分类的方法实现不同年度耕地时空变化信息的快速提取。实验结果表明:采用本研究方法可以实现各年度耕地变化信息的快速准确提取。通过分析各年度耕地变化信息可知,2021—2024年间阿克苏河流域耕地面积整体呈增加趋势,2022年与2023年耕地增长率较大,为1.24%、1.28%;2024年耕地增长放缓,增长率为0.42%。为验证提取结果的准确性,基于部分县统计年鉴数据与遥感监测数据对比,结果显示两者相对误差在5%左右,由此说明本研究方法提取耕地面积准确性较好。

阿克苏河流域  /  耕地  /  综合植被指数  /  时序特征  /  时空变化

Accurately obtaining annual cropland area and spatiotemporal change information is crucial for safeguarding the agricultural land redline and improving the efficient, economical, and intensive utilization of water resources. It also provides a scientific basis for navigation and intelligent scheduling of agricultural machinery, thereby effectively enhancing the precision and efficiency of mechanized agricultural operations. Taking the Aksu river basin in the Xinjiang Uygur Autonomous Region as an example, this study proposes a method for extracting cropland spatiotemporal change information based on time-series index features. First, based on NDVI data derived from time-series remote sensing images covering the entire crop growth phenological period, annual composite vegetation index images are generated using the maximum value compositing method, and these images are stacked into bands to construct a time-series index feature image. Second, an object-oriented segmentation approach is applied to perform multi-scale segmentation on the feature image to obtain segmentation results. Finally, the change patterns of cropland across different years revealed by the feature image are analyzed, and extraction rules for different cropland change types are established. A decision tree classification method is then employed to achieve rapid extraction of annual cropland spatiotemporal change information. Experimental results demonstrate that the proposed method can extract annual cropland change information rapidly and accurately. Analysis of the annual change information shows that the cropland area in the Aksu river basin exhibited an overall increasing trend from 2021 to 2024, with relatively high growth rates of 1.24% and 1.28% in 2022 and 2023, respectively, while the growth rate slowed to 0.42% in 2024. To validate the accuracy of the extraction results, a comparison between the statistical yearbook data of selected counties and the remote sensing monitoring data was conducted, revealing a relative error of approximately 5%. This confirms that the proposed method attains satisfactory accuracy in extracting cropland area.

Aksu river basin  /  plowland  /  composite index feature  /  temporal feature  /  spatiotemporal variation
杨阳, 李昆, 宋伟, 石孟宸. 基于时序指数特征的耕地时空演变分析研究. 智能化农业装备学报(中英文), 2026 , 7 (2) : 161 -168 . DOI: 10.12398/j.issn.2096-7217.2026.02.015
Yang Yang, Kun Li, Wei Song, Mengchen Shi. Analysis of spatial-temporal evolution of cultivated land based on temporal index characteristics[J]. Journal of Intelligent Agricultural Mechanization, 2026 , 7 (2) : 161 -168 . DOI: 10.12398/j.issn.2096-7217.2026.02.015
  • 国家重点研发计划(2023YFC3209201)
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2026年第7卷第2期
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doi: 10.12398/j.issn.2096-7217.2026.02.015
  • 接收时间:2025-04-25
  • 首发时间:2026-11-05
  • 出版时间:2026-05-15
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  • 收稿日期:2025-04-25
  • 修回日期:2025-06-25
基金
National Key Research and Development Program of China(2023YFC3209201)
国家重点研发计划(2023YFC3209201)
作者信息
    黄河水利委员会信息中心,河南 郑州,450003

通讯作者:

* 宋伟,男,1992年生,河南漯河人,硕士,工程师;研究方向为遥感信息智能提取与应用。E-mail:
参考文献
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https://castjournals.cast.org.cn/joweb/znhnyzbxb/CN/10.12398/j.issn.2096-7217.2026.02.015
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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