欧盟2022年作物地图:地球观测的10米潜入欧洲的作物挂毯
Babak Ghassemi1, Emma Izquierdo-Verdiguier1, Astrid Verhegghen2
1Institute of Geomatics, University of Natural Resources and Life Sciences, Vienna, Peter-Jordan-Straße 82, 1190, Vienna, Austria.
Scientific data
|September 27, 2024
概括
一个新的10米分辨率地图详细介绍了2022年欧盟和乌克兰的19种作物类型. 这种先进的地球观测 (EO) 地图提高了农业监测的高精度.
科学领域:
- 农业科学 农业科学
- 遥感 遥感 遥感 遥感
- 地理空间分析是什么
背景情况:
- 详细的作物监测对于欧盟 (EU) 的农业政策和粮食安全至关重要.
- 以前的作物类型地图缺乏精确监测所需的分辨率和准确性.
- 2018年版本需要更新以反映当前的农业景观.
研究的目的:
- 为2022年为欧盟和乌克兰创建一个先进的10米分辨率作物类型地图.
- 更新和改进之前的2018年作物类型地图.
- 为详细的农业监测提供准确的数据.
主要方法:
- 利用了地球观测 (EO) 数据,包括哨兵-1和哨兵-2卫星图像.
- 来自欧盟统计局的土地使用和覆盖面积框架调查 (LUCAS) 2022的综合现场数据.
- 采用随机森林机器学习方法,使用初级和填空分类层.
主要成果:
- 创建了一个10米分辨率的地图,覆盖27个欧盟国家和乌克兰,2022年有19种作物类型.
- 在七个主要的土地覆盖类别中实现了79.3%的整体准确性,在所有19种作物类型中达到70.6%.
- 在乌克兰,即使没有特定区域的培训样本,也证明了模型的稳定性.
结论:
- 2022年作物类型地图为欧盟农业监测提供了必要的信息.
- 该方法是稳固的,适用于欧盟以外的地区.
- 高分辨率地图增强对农业景观的理解,并支持政策决策.
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