A global annual fractional tree cover dataset during 2000-2021 generated from realigned MODIS seasonal data
文献类型：期刊论文
| 作者 | Liu, Yang1; Liu, Ronggao1; Chen, Jilong1,2; Wei, Xuexin1,2; Qi, Lin1; Zhao, Lei1,2 |
| 刊名 | SCIENTIFIC DATA
 |
| 出版日期 | 2024-08-01 |
| 卷号 | 11期号:1页码:832 |
| DOI | 10.1038/s41597-024-03671-9 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | Fractional tree cover facilitates the depiction of forest density and its changes. However, it remains challenging to estimate tree cover from satellite data, leading to substantial uncertainties in forest cover changes analysis. This paper generated a global annual fractional tree cover dataset from 2000 to 2021 with 250 m resolution (GLOBMAP FTC). MODIS annual observations were realigned at the pixel level to a common phenology and used to extract twelve features that can differentiate between trees and herbaceous vegetation, which greatly reduced feature dimensionality. A massive training data, consisting of 465.88 million sample points from four high-resolution global forest cover products, was collected to train a feedforward neural network model to predict tree cover. Compared with the validation datasets derived from the USGS circa 2010 global land cover reference dataset, the R2 value, MAE, and RMSE were 0.73, 10.55%, and 17.98%, respectively. This dataset can be applied for assessment of forest cover changes, including both abrupt forest loss and gradual forest gain. |
| WOS关键词 | LAND-SURFACE ; FOREST COVER ; CHINA |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS记录号 | WOS:001282894500003 |
| 出版者 | NATURE PORTFOLIO |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/206921]  |
| 专题 | 资源与环境信息系统国家重点实验室_外文论文 |
| 通讯作者 | Liu, Ronggao |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Yang,Liu, Ronggao,Chen, Jilong,et al. A global annual fractional tree cover dataset during 2000-2021 generated from realigned MODIS seasonal data[J]. SCIENTIFIC DATA,2024,11(1):832. |
| APA | Liu, Yang,Liu, Ronggao,Chen, Jilong,Wei, Xuexin,Qi, Lin,&Zhao, Lei.(2024).A global annual fractional tree cover dataset during 2000-2021 generated from realigned MODIS seasonal data.SCIENTIFIC DATA,11(1),832. |
| MLA | Liu, Yang,et al."A global annual fractional tree cover dataset during 2000-2021 generated from realigned MODIS seasonal data".SCIENTIFIC DATA 11.1(2024):832. |
入库方式： OAI收割
来源：地理科学与资源研究所
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