Regal Credit Finance Limited

 找回密碼
 立即註冊
搜索
熱搜: 活動 交友 discuz
查看: 330|回復: 0

Only four major megadroughts have

[複製鏈接]

1

主題

1

帖子

5

積分

新手上路

Rank: 1

積分
5
發表於 2024-3-7 19:12:47 | 顯示全部樓層 |閱讀模式
Many folks living on the Great Plains to develop “dust pneumonia.” Photo Courtesy Ken JamesBloombergGetty ImagesAll of this said if droughts equate to dry weather that persists over time then following that logic megadroughts are extensive dry periods meaning that the extreme dryness associated with megadroughts persists for decades. “Within that period there may be occasional better wet years but the respite is brief” The New York Times reports. “The dryness soon returns and drought maintains its longterm grip.”According to Smithsonian Magazine.


Only four major megadroughts have previously occurred in the American West over Belize WhatsApp Number the last 1200 years. Reportedly the first megadrought occurred during the 800s and was followed by similar periods of extensive and extreme dryness in the mid11oos 1200s and 1500s. If history is any guide we’re due for another megadrought. However since the late 1800s — which is when the Industrial Revolution kicked into full gear — our impact on the planet has led to a megadrought that may have even more devastating and lasting consequences. The Current CrisisLike megadroughts of the past.





The current one overtaking the western United States — and much of the Southwest in particular — was driven partly by natural changes and fluctuations but there’s no denying that human contributions to climate change have exacerbated the problem. “Global warming has pushed what would have been a moderate drought in southwestern North America into megadrought territory” a 2020 study published in Science notes. For this project researchers studied the rings of ancient trees to understand the past climate of western America — though soil moisture among other indicators also played a part.Jason Smerdon a paleoclimatologist at

回復

使用道具 舉報

您需要登錄後才可以回帖 登錄 | 立即註冊

本版積分規則

Archiver|手機版|小黑屋|Regal Credit Finance Limited

GMT+8, 2024-11-24 21:40 , Processed in 0.037323 second(s), 18 queries .

Powered by Discuz! X3.4

© 2001-2017 Comsenz Inc.

快速回復 返回頂部 返回列表