Articles | Volume 15, issue 11
https://doi.org/10.5194/essd-15-4877-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-15-4877-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description paper
| 
01 Nov 2023
Data description paper |
| 01 Nov 2023
| 01 Nov 2023
Spatiotemporally consistent global dataset of the GIMMS leaf area index (GIMMS LAI4g) from 1982 to 2020
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Muyi Li
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Zhe Wang
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Junjun Zha
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Weiqing Zhao
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Zeyu Duanmu
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Jiana Chen
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Yaoyao Zheng
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Yue Chen
School of Urban Planning and Design, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Key Laboratory of Earth Surface System and Human–Earth Relations, Ministry of Natural Resources of China, Shenzhen Graduate School, Peking University, Shenzhen 518055, China
Ranga B. Myneni
Department of Earth & Environment, Boston University, Boston, MA 02215, USA
Shilong Piao
Institute of Carbon Neutrality, Peking University, Beijing 100871, China
Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
State Key Laboratory of Tibetan Plateau Earth System, Environment and Resources, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
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Latest update: 24 Jan 2026
Short summary
The long-term global leaf area index (LAI) products are critical for characterizing vegetation dynamics under environmental changes. This study presents an updated GIMMS LAI product (GIMMS LAI4g; 1982−2020) based on PKU GIMMS NDVI and massive Landsat LAI samples. With higher accuracy than other LAI products, GIMMS LAI4g removes the effects of orbital drift and sensor degradation in AVHRR data. It has better temporal consistency before and after 2000 and a more reasonable global vegetation trend.
The long-term global leaf area index (LAI) products are critical for characterizing vegetation...
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