Global S&T Development Trend Analysis Platform of Resources and Environment
Memory on Ice | |
admin | |
2019-01-14 | |
发布年 | 2019 |
语种 | 英语 |
国家 | 法国 |
领域 | 地球科学 |
正文(英文) |
The goal of the Ice Memory programme, launched in 2015 by the glaciologists Jérôme Chappellaz and Patrick Ginot, is to create a global ice archive sanctuary in Antarctica. And they must act quickly, as glaciers everywhere are melting due to global warming, taking with them invaluable information regarding the climate of the past.
![]()
1
The first mission was conducted in August 2016 at the foot of Mont Blanc, at the Col du Dôme glacier, located at an altitude of 4,300 meters. Alpine glaciers have lost 50% of their mass since 1850.
Bruno Jourdain/LGGE/CNRS Photothèque
![]()
2
Three ice cores were taken at the foot of Mont Blanc, each measuring 130 meters in length, the full depth of the glacier down to its rocky base. Here we see the tube of a core drill, before the extraction of the core.
Bruno Jourdain/LGGE/CNRS Photothèque
![]()
3
When ice forms, it traps the different chemical components in the air: gases, acids, heavy metals, radioactivity, water isotopes…It is a priceless source of information for retracing our climatic past.
Bruno Jourdain/LGGE/CNRS Photothèque
![]()
4
A second expedition was undertaken in Bolivia in the spring of 2017 on the Illimani glacier. All of the equipment, weighing in at two tons, was carried on foot to the drilling site, located at an altitude of 6,300 meters.
Bruno Jourdain/LGGE/CNRS Photothèque
![]()
5
Radar measurements for mapping the thickness of the ice around the Illimani drilling site in Bolivia. Despite difficult climate conditions, two ice cores were taken, each measuring 130 meters in length.
Bruno Jourdain/LGGE/CNRS Photothèque
![]()
6
The last drilling operation (to date) was conducted in Russia during the summer of 2018, on the Elbrouz glacier in the Caucasus Mountains. It followed on a first mission conducted in the spring of 2018 on the Belukha glacier, located in the Altai Mountains.
Sarah Del Ben/Wild Touch/Fondation UGA
![]()
7
After each expedition, the researchers keep one of the two cores for purposes of analysis. The others will soon arrive at Concordia Station in Antarctica, where they will be buried at a depth of 10 meters. “Fridge” temperature: – 54°C.
Sarah Del Ben/Wild Touch/Fondation UGA
|
URL | 查看原文 |
来源平台 | Centre national de la recherche scientifique |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/129532 |
专题 | 地球科学 |
推荐引用方式 GB/T 7714 | admin. Memory on Ice. 2019. |
条目包含的文件 | 条目无相关文件。 |
个性服务 |
推荐该条目 |
保存到收藏夹 |
查看访问统计 |
导出为Endnote文件 |
谷歌学术 |
谷歌学术中相似的文章 |
[admin]的文章 |
百度学术 |
百度学术中相似的文章 |
[admin]的文章 |
必应学术 |
必应学术中相似的文章 |
[admin]的文章 |
相关权益政策 |
暂无数据 |
收藏/分享 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论