NAU School of Earth and Sustainability — NewsResearch stories from the School of Earth and Sustainability, including spotlights on graduate-student-led publications.https://ses-nau.org/Local seafloor records reveal how the Pacific plate and mantle movehttps://ses-nau.org/news/2026-09-pacific-mantle/https://ses-nau.org/news/2026-09-pacific-mantle/Dr. Joey Phillips and his co-authors used ocean-bottom seismometers to show how the Pacific plate preserves its formation history while the mantle beneath it responds to present-day motion and deeper flow.Tue, 08 Sep 2026 00:00:00 GMTA lake's dust record shifts the timeline of landscape change in the Southwesthttps://ses-nau.org/news/2026-08-columbine-dust/https://ses-nau.org/news/2026-08-columbine-dust/A 3,400-year sediment record led by Frank Telles points to a major Southwestern dust-regime shift during 17th-century Spanish colonial settlement.Fri, 28 Aug 2026 00:00:00 GMTWestern headwaters are losing water when streams need it mosthttps://ses-nau.org/news/2026-08-western-headwaters/https://ses-nau.org/news/2026-08-western-headwaters/Caelum Mroczek's study of 115 western headwater basins finds that groundwater-supported streamflow is declining and arriving earlier, putting late-summer water supplies under pressure.Fri, 21 Aug 2026 00:00:00 GMT