The objective identified by the working group was related to the use of space technology for analysing and mapping changes in the availability of water resources, in particular as a consequence of floods, droughts and desertification.
45. 工作组确定的目标涉及利用空间技术分析和测绘水资源供应情况的变化，特别是由于水灾、旱灾和荒漠化而发生的变化。