通过卫星绘图显示的温室种植的全球区域繁荣
Xiaoye Tong1, Xiaoxin Zhang2, Rasmus Fensholt3
1Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark. xito@ign.ku.dk.
Nature food
|May 13, 2024
概括
全球温室种植面积为130万公,远远超过之前的估计. 这种扩张,特别是在全球南方,影响了粮食安全和环境.
科学领域:
- 农业科学 农业科学
- 遥感 遥感 遥感 遥感
- 环境科学 环境科学
背景情况:
- 在全球范围内,温室种植正在迅速扩大.
- 关于温室基础设施的全球范围和扩张模式的数据有限.
- 了解温室气体覆盖面对粮食安全和环境评估至关重要.
研究的目的:
- 通过使用卫星数据和人工智能进行温室种植覆盖面的全球评估.
- 为2019年绘制全球温室基础设施的范围.
- 分析温室扩张的时间发展和区域分布.
主要方法:
- 利用商业和自由可用的卫星数据.
- 应用人工智能 (AI) 技术用于数据分析和映射.
- 分析了大型温室集群 (>1500公) 的时间发展.
主要成果:
- 在2019年全球绘制了130万公的温室基础设施.
- 温室气体覆盖面远远大于此前估计的.
- 自2000年代以来,全球南方的温室种植最近急剧增加,中国占全球覆盖率的60%.
- 分析包括大规模 (61%) 和小规模 (39%) 的基础设施.
结论:
- 温室基础设施有可能增强全球粮食安全.
- 快速扩张引发了对不确定的环境和社会影响的担忧.
- 突出了空间时间数据集中的一个关键差距,用于未来对温室种植的研究.
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