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2021 CC BY-NC-ND

Posted inEditors' Highlights

Going Down: How Do Cities Carry That Weight?

by Peter Zeitler 14 January 202114 January 2022

Calculations show that the added weight of growing cities can lead to tens of millimeters of subsidence, an effect that needs to be considered for coastal cities under threat by sea-level rise.

Posted inEditors' Highlights

Deep Decarbonization? Yes We Can!

Eric Davidson, president-elect of AGU by Eric Davidson 14 January 202131 January 2022

Modeling the U.S. energy system demonstrates several pathways to net-zero CO2 emissions by 2050. The pathway with the lowest cost, 0.2–1.2% of GDP, relies on >80% contribution of renewables.

A handheld compass sits amid rocks on a beach
Posted inScience Updates

Modeling Earth’s Ever-Shifting Magnetism

by A. Chulliat, W. Brown, P. Alken, S. Macmillan and M. Paniccia 14 January 20213 November 2021

The World Magnetic Model, updated every 5 years through an international collaboration, supports numerous technologies that help us find our way.

Black truffles on display
Posted inNews

A Culinary Silver Lining of Climate Change: More Truffles

Katherine Kornei, Science Writer by Katherine Kornei 13 January 202120 October 2021

The cultivation potential of a popular truffle species will increase in central Europe by 2050, global climate models predict.

Figures showing modeling of fault related anisotropy
Posted inEditors' Highlights

Fault Related Anisotropy in the Hikurangi Subduction Zone

by A. Becel 13 January 20218 July 2024

A new study provides the first high-resolution three-dimensional anisotropic P-wave velocity model of the shallow part of the Northern Hikurangi subduction zone offshore New Zealand.

Close-up image of garnet lherzolite
Posted inNews

Modeling the Creation of Cratons, Earth’s Secret Keepers

by Jackie Rocheleau 12 January 202120 June 2024

Geoscientists have long been trying to answer the complicated questions of how and why Earth’s continents formed. New research suggests a solution that surprised even the investigators themselves.

Drone photograph of research vessel offshore Malta collecting geophysical data to map offshore freshened groundwater systems
Posted inEditors' Vox

Freshened Groundwater in the Sub-seafloor

by A. Micallef, M. Person, C. Berndt, Claudia Bertoni, A. Haroon, R. Martin-Nagle, T. Müller and E. Trembath-Reichert 11 January 202130 March 2023

Scientists are using a variety of geochemical, geophysical, and numerical methods to study offshore freshened groundwater and better understand its role in the global water cycle.

Watery mud accumulates between rows of crops.
Posted inNews

European Colonists Dramatically Increased North American Erosion Rates

Rachel Fritts, Science Writer by Rachel Fritts 11 January 202124 February 2022

Around 200 years ago, when conversion of land for agriculture became more widespread, the amount of sediment accumulating in riverbeds across the continent jumped tenfold.

A film crew interviews a scientist in Haleakalā National Park, Maui, Hawaiʻi
Posted inScience Updates

A Tried-and-True Medium to Broaden the Reach of Science

by K. Duncan Seraphin 11 January 202110 March 2023

Television programming reaches broad, diverse audiences, but scientists must help tell their own stories and speak to the communities in which they live.

Plot showing volume transport changes in the AMOC and ITF in response to an abrupt quadrupling of carbon-dioxide occurring in year 0
Posted inEditors' Highlights

What Causes Centennial Changes in the Indonesian Throughflow?

by J. Sprintall 11 January 202112 January 2022

Transient long-term changes in the strength of the Indonesian Throughflow are unexpectedly linked to circulation changes in the remote high-latitude North Atlantic.

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