A low-frequency summer temperature reconstruction for the United States Southwest, 3000 BC–AD 2000

• Published in: Holocene (Sevenoaks) Vol. 34; no. 4; pp. 451 - 466
• Main Authors: Gillreath-Brown, Andrew, Bocinsky, R Kyle, Kohler, Timothy A
• Format: Journal Article
• Language: English
• Published: London, England SAGE Publications 01.04.2024; Sage Publications Ltd
• Subjects: Agricultural production; agricultural productivity; Corn; Dominance; El Nino; El Nino phenomena; Fossil pollen; Fossils; Holocene epoch; La Nina; Norms; North America; Northern Hemisphere; palynology; Pollen; Seasonal variations; Summer; Temperature; Temporal resolution; Variability; United States > US; North America; US Southwest; late-Holocene; modern analog technique; ENSO; pollen; summer temperatures

Temperature variability likely played an important role in determining the spread and productive potential of North America’s key prehispanic agricultural staple, maize. The United States Southwest (SWUS) also served as the gateway for maize to reach portions of North America to the north and east....