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LANCASTER, Pa. — They saved Petunia first. She was the second cow. Her brother Louie had died within hours of his birth. But over two harrowing, sleepless nights, the three researchers kept Petunia alive to wheel her fr…
The researchers heated two soil types, one low and one high in organic carbon, at 75–300 °C for 0.25–4 hours, then leached the soils and measured what entered the water. Below 200 °C, dissolved carbon and sulfate rose sharply while thiol sulfur oxidized to sulfate. At 300 °C, dissolved carbon fell, sulfate rose, and a…
Heating soil to 200 °C or below oxidizes thiols in dissolved organic matter to sulfate.
Why it matters: Wildfires change what moves from soil into rivers and lakes, affecting sulfur and metals in water.
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