Open Access
Fig. 3
Download original image
Seasonal changes in PWV at the Lenghu site obtained from MERRA-2, including the nighttime (upper panel) and daytime (lower panel). The shaded area shows the mean values of the daily standard deviation of PWV.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.