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Archaeologists and researchers in allied fields have long sought to understand human colonization of North America. Questions remain about when and how people migrated, where they originated, and how their arrival affected the established fauna and landscape. Here, we present evidence from excavated surfaces in White Sands National Park (New Mexico, United States), where multiple in situ human footprints are stratigraphically constrained and bracketed by seed layers that yield calibrated radiocarbon ages between ~23 and 21 thousand years ago. These findings confirm the presence of humans in North America during the Last Glacial Maximum, adding evidence to the antiquity of human colonization of the Americas and providing...
Categories: Data;
Tags: Chihuahuan Desert,
Climatology,
Hydrology,
New Mexico,
Paleolake Otero, All tags...
White Sands National Park,
White Sands National Park,
footprints,
last glacial maximum,
radiocarbon dating, Fewer tags
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This dataset includes tables of radiocarbon, uranium thorium series, and luminescence geochronologic ages and stable carbon and oxygen isotope compositions for sedimentary and organic samples.
Categories: Data;
Tags: Catron County,
Climatology,
Datil,
Geochemistry,
Geomorphology, All tags...
Limnology,
New Mexico,
Plains of San Agustin,
Sedimentology,
USGS Science Data Catalog (SDC),
geochemistry,
geochronology, Fewer tags
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This data release contains data summarizing observations within and adjacent to the Woodbury Fire, which burned from 8 June to 15 July 2019. In particular, this monitoring data was focused on debris flows in burned and unburned areas. Rainfall data (1_Woodbury_Rainfall.zip) are contained in comma-separated value (CSV) files named “Wdby_Rainfall” appended with the names of 3 rain gages: B2, B6, and Reavis. This is time-series data where the total rainfall in millimeters is recorded at each timestamp. The location of each rain gage is listed as a latitude/longitude in each file. Pressure data from absolute (i.e. not vented) pressure transducers (2_Woodbury_Pressure.zip), which can be used to constrain the...
Categories: Data;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: Arizona,
Debris flow,
Geomorphology,
Hydrology,
Superstition Mountains SW, All tags...
USGS Science Data Catalog (SDC),
fires,
landslides, Fewer tags
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