Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Source of ice core sections used in this study. (a) Location of Lake Vostok (small rectangle) in Antarctica; (b) Detail of the outline of Lake Vostok, as indicated by radar [1,8,23,24]; (c) Detail of the southern end of Lake Vostok, showing the locations of the shallow embayment, ridge, southern basin, track of glacier to the drill site (dashed line), and approximate locations where the accretion ice samples (V5 and V6) were formed.
