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出版期刊|区域分类

2021年第12期
2019年第02期
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基于MOD09GQ计算的西双版纳橡胶人工林落叶日数据集(2003-2019)


陈燕玲1,2周瑞伍3陈耀亮*1,2张晶1刘雅琪1
1 中国科学院西双版纳热带植物园,勐腊6663032 福建师范大学地理科学学院,福州 3500073 玉溪师范学院地理与土地工程学院,玉溪 653100

DOI:10.3974/geodb.2022.12.06.V1

出版时间:2022年12月

网页浏览次数:4110       数据下载次数:24      
数据下载量:18.26 MB      数据DOI引用次数:

关键词:

橡胶人工林,落叶日,物候,MOD09GQ,2003-2019

摘要:

西双版纳橡胶人工林具有与当地天然林和其他植被不同的物候现象,即干季时出现短暂落叶期,因此监测橡胶林物候动态变化对深入理解橡胶林对气候变化的响应具有重要的理论意义。然而由于热带地区多云雨天气,利用遥感技术对橡胶林物候进行精确反演仍是一个挑战。基于2003-2019年前一年10月至当年5月每日MOD09GQ地表反射率数据,计算归一化植被指数(NDVI)时间序列;结合每年橡胶林分布影像,对时间序列进行插补、滤波、去除异常值等信号还原处理;采用TIMESAT软件对橡胶林的落叶物候进行提取,得到基于MOD09GQ计算的西双版纳橡胶人工林落叶日数据集(2003-2019)。该数据集包括:(1)研究区域的边界数据;(2)2003-2019每年的橡胶人工林落叶日数据。数据集存储为.shp和.tif格式,由25个数据文件组成,数据量为89.3 MB(压缩为1个文件,779 KB)。

基金项目:

中国科学院热带森林生态学重点实验室(20-CAS-TFE-01);国家自然科学基金(41901124)

数据引用方式:

陈燕玲, 周瑞伍, 陈耀亮*, 张晶, 刘雅琪. 基于MOD09GQ计算的西双版纳橡胶人工林落叶日数据集(2003-2019)[J/DB/OL]. 全球变化数据仓储电子杂志(中英文), 2022. https://doi.org/10.3974/geodb.2022.12.06.V1.

参考文献:

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数据下载:

序号 数据名 数据大小 操作
1 XSBN_Rubber_Phenology.rar 779.07KB
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