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A phenology-based vegetation index for improving ratoon rice mapping using harmonized Landsat and Sentinel-2 data

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成果类型:
期刊论文
作者:
Chen, Yunping;Hu, Jie;Cai, Zhiwen;Yang, Jingya;Zhou, Wei;...
通讯作者:
Xu, BD
作者机构:
[You, Liangzhi; Hu, Jie; Chen, Yunping] Huazhong Agr Univ, Macro Agr Res Inst, Coll Plant Sci & Technol, Wuhan 430070, Peoples R China.
[Xu, Baodong; Xu, BD; Zhou, Wei; Cai, Zhiwen] Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China.
[Yang, Jingya] Chinese Acad Agr Sci, Key Lab Agr Remote Sensing, Minist Agr & Rural Affairs, Inst Agr Resources & Reg Planning, Beijing 100081, Peoples R China.
[Wang, Cong; Hu, Qiong] Cent China Normal Univ, Coll Urban & Environm Sci, Key Lab Geog Proc Anal & Simulat Hubei Prov, Wuhan 430079, Peoples R China.
[You, Liangzhi] Int Food Policy Res Inst, 1201 NW, Washington, DC 20005 USA.
通讯机构:
[Xu, BD ] H
Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China.
语种:
英文
关键词:
ratoon rice;phenology-based ratoon rice vegetation index (PRVI);phenological phase;feature selection;Harmonized Landsat Sentinel-2 data
期刊:
农业科学学报(英文)
ISSN:
2095-3119
年:
2024
卷:
23
期:
4
页码:
1164-1178
基金类别:
This work was supported by the National Natural Science Foundation of China (42271360 and 42271399), the Young Elite Scientists Sponsorship Program by China Association for Science and Technology (CAST) (2020QNRC001), and the Fundamental Research Funds for the Central Universities, China (2662021JC013, CCNU22QN018).
机构署名:
本校为其他机构
院系归属:
城市与环境科学学院
摘要:
Ratoon rice, which refers to a second harvest of rice obtained from the regenerated tillers originating from the stubble of the first harvested crop, plays an important role in both food security and agroecology while requiring minimal agricultural inputs. However, accurately identifying ratoon rice crops is challenging due to the similarity of its spectral features with other rice cropping systems (e.g., double rice). Moreover, images with a high spatiotemporal resolution are essential since ratoon rice is generally cultivated in fragmented cr...

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