Source: Geophysical Research Letters Fifty-six million years ago, during the Paleocene-Eocene Thermal Maximum (PETM), global temperatures rose...
Science
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...
Source: Water Resources Research Global river datasets represent rivers that flow downstream in single paths that follow...
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...
The administration said it wants to rescind and reconsider whether limits are needed for four PFAS that...
Editors’ Highlights are summaries of recent papers by AGU’s journal editors. Source: Community Science Exchange Climate Safe...
Research & Developments is a blog for brief updates that provide context for the flurry of news regarding...
Since 2011, massive mats of golden-brown seaweed—pelagic Sargassum—have repeatedly swamped the shores of the Caribbean, West Africa,...
Source: GeoHealth Small particulate matter (PM2.5) in air pollution raises the risks of respiratory problems, cardiovascular disease,...
Source: Journal of Geophysical Research: Oceans As freshwater from glacier melt, river runoff, and precipitation enters the...
The skunky smell of pot smoke. Burning stenches from a pet food factory. Smoke from construction sites....
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...
Alex Thomson, an algal ecologist with the Scottish Association for Marine Science, had planned to study coastal...