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Thermal map of Kīlauea lower East Rift Zone lava flow field Thermal map of Kīlauea lower East Rift Zone lava flow field
This preliminary thermal map shows relative surface temperatures across Kīlauea's 2018 lower East Rift Zone lava flow field.
Thermal map of Kīlauea summit Thermal map of Kīlauea summit
This thermal map was constructed from 1008 images collected by a thermal camera during a helicopter overflight on August 22, 2019.
Airborne radiometric maps of Mountain Pass, California Airborne radiometric maps of Mountain Pass, California
Geophysical investigations of Mountain Pass and vicinity were begun as part of an effort to study regional crustal structures as an aid to understanding the geologic framework and mineral resources of the eastern Mojave Desert. The study area encompasses Mountain Pass, host to one of the world’s largest rare earth element carbonatite deposits. The deposit is found along a north-northwest...
Extent of the Last Glacial Maximum (Tioga) glaciation in Yosemite National Park and vicinity, California Extent of the Last Glacial Maximum (Tioga) glaciation in Yosemite National Park and vicinity, California
Yosemite National Park, located in the central Sierra Nevada in California, is an icon of the U.S. National Park system. It is famous for its many spectacular geologic features, which include the towering cliffs and hanging waterfalls of Yosemite Valley and the rounded granite domes, deep blue lakes, and jagged peaks and spires of the high country. More subtle but just as spectacular are...
Groundwater-level change for the periods 2002–8, 2008–12, and 2008–16 in the Santa Fe Group aquifer system in the Albuquerque area, central New Mexico Groundwater-level change for the periods 2002–8, 2008–12, and 2008–16 in the Santa Fe Group aquifer system in the Albuquerque area, central New Mexico
The U.S. Geological Survey, in cooperation with the Albuquerque Bernalillo County Water Utility Authority (ABCWUA), has developed a series of maps and associated reports, beginning in 2002, that document groundwater levels in the production zone of the Santa Fe Group aquifer system beneath a large area of the City of Albuquerque, New Mexico (hereafter called the study area). Herein, we...
Geostatistical estimation of the bottom altitude and thickness of the Mississippi River Valley alluvial aquifer Geostatistical estimation of the bottom altitude and thickness of the Mississippi River Valley alluvial aquifer
The Mississippi River Valley alluvial aquifer (MRVA) caps a shallow system of aquifers and confining units in the Mississippi Alluvial Plain (MAP) that extends across 45,000 square miles of the midwestern and southern United States from Illinois to Louisiana. Irrigation water from the MRVA is required to sustain extensive crop production, which has resulted in groundwater-level declines...