Source: AGU Advances This is an authorized translation of an Eos article. 本文是Eos文章的授权翻译。 确定全球干旱状况的变化在多大程度上归因于自然水文气候变化，又在多大程度上是由气候变化造成的，是一项复杂的任务。科学家经常使用复杂的计算机模型来模拟过去的气候变化，并识别前所未有的干旱状况。这些模型还可以帮助识别导致这些状况的因素，例如温度、降水和土地利用变化。然而，这些模型也可能存在偏差，这可能会影响某些地区干旱估计的可信度。 由于树木年轮在较温暖、较潮湿的年份长得较宽，而在较干燥、较寒冷的年份则长得比较薄，因此它们可以作为自然气候变化的记录，并为基于模型的水文气候重建提供一种补充方法。为了研究欧洲和亚洲的干旱情况，Marvel 等人利用新出版的《大欧亚干旱图集》（GEDA）进行了树木年轮测量，该图集包含了公元 1000...
Science
This story was originally published by Knowable Magazine. Ralph Loya was pretty sure he was going to...
Source: Water Resources Research Global river datasets represent rivers that flow downstream in single paths that follow...
Source: Geophysical Research Letters Fifty-six million years ago, during the Paleocene-Eocene Thermal Maximum (PETM), global temperatures rose...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: AGU Advances The shading and...
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in...
Internal documents reviewed by POLITICO revealed a range of open positions, from a lead meteorologist role in...
Research & Developments is a blog for brief updates that provide context for the flurry of news regarding...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: Community Science Exchange Climate Safe...
The administration said it wants to rescind and reconsider whether limits are needed for four PFAS that...
Source: GeoHealth Small particulate matter (PM2.5) in air pollution raises the risks of respiratory problems, cardiovascular disease,...
Since 2011, massive mats of golden-brown seaweed—pelagic Sargassum—have repeatedly swamped the shores of the Caribbean, West Africa,...
The skunky smell of pot smoke. Burning stenches from a pet food factory. Smoke from construction sites....
Source: Journal of Geophysical Research: Oceans As freshwater from glacier melt, river runoff, and precipitation enters the...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: Geophysical Research Letters Arctic ponds...
The oil issue? “It’s secondary,” says one expert, as president prepares for talks in the Middle East....
Source: Journal of Geophysical Research: Planets Over the past decade, the Curiosity rover has repeatedly detected methane...
Every now and then, some trees apparently just need a jolt. When struck by lightning, the large-crowned...
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in...
Research & Developments is a blog for brief updates that provide context for the flurry of news regarding...
