Annual snow mass dropped 41% in certain parts of the US between 1982 and 2016, states a study presented at a meeting of the American Geophysical Union. Separately, Donal O'Leary, a graduate student in geography at the University of Maryland, noted that there is strong evidence that "there are more wildfires during years of early snowmelt."
If climate change caused by humans continues unabated, it could rapidly reverse millions of years of global cooling trends, a study found. "We are living through, and causing, a geological-scale episode of global change, and are climatically rewinding the clock by millions of years," said geography professor John Williams of the University of Wisconsin at Madison.
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Communities of all sizes are affected by urban flooding, a relatively under-the-radar problem that is expected to be exacerbated by increasing populations, aging infrastructure and more frequent natural disasters, according to a new report from Texas A&M University. The damage wrought by Hurricane Harvey proved that the scope of the problem extends beyond Federal Emergency Management Agency flood plain maps.
A deep, dark patch of ocean near Australia is home to 195 species of Great Barrier Reef corals, giving researchers hope that the marine invertebrates can adapt to changing ocean environments, according to a study published in the Proceedings of the Royal Society B. "The deep reef is a lot more diverse and interesting than we thought," said Paul Muir, study co-author.
NASA's IceSat-2 space laser instrument has been measuring more than ice sheets, which were its primary mission, since it launched about three months ago. IceSat-2 is also sending scientists measurements for all sorts of land masses on Earth and even the ocean floor, according to findings presented at the American Geophysical Union fall meeting.
Seabed 2030, a UN-supported project, is asking countries and companies to use technologies such as advanced sonar and underwater drones and robots to help create a map of the world's ocean floors by 2030. The map would improve global understanding of the oceans, help scientists predict tsunamis and other disasters and support offshore oil and natural gas exploration, stakeholders say.
Each year, the AAG invites nominations for AAG Honors to be conferred in recognition of outstanding contributions to the advancement or welfare of the profession. This year, the AAG Honors Committee and the AAG Council are pleased to announce the following 2019 AAG Honorees:
AAG Lifetime Achievement Honors: Thomas J. Baerwald and Joe T. Darden
AAG Distinguished Scholarship Honors: A. Stewart Fotheringham and Helga Leitner
AAG Ronald F. Abler Distinguished Service Honors: LaToya Eaves
AAG Gilbert White Distinguished Service Honors: Rebecca Torres
AAG Media Achievement Award: Minelle Mahtani
AAG Publication Award: Conference of Latin American Geography
Join colleagues and friends for the AAG Awards Luncheon to celebrate and congratulate the recipients of the AAG Honors for their lifetime achievements and accomplishments in scholarship, service, publishing and education. In addition, recipients of the AAG annual book awards, Miller Award, Nystrom Award, Jackson Prize, AAG Enhancing Diversity Award, Specialty Group Awards and many more will be recognized. The AAG Awards Luncheon will be held on Sunday, April 7, 2019 from 11:50 a.m. to 2 p.m. Tickets and tables for the Awards Luncheon can be purchased in advance here.