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Digital elevation models, orthomosaics, and GIS shapefiles of the 2020–2021 summit eruption at Kīlauea volcano, Island of Hawaiʻi Digital elevation models, orthomosaics, and GIS shapefiles of the 2020–2021 summit eruption at Kīlauea volcano, Island of Hawaiʻi
During the 2020–2021 summit eruption of Kīlauea volcano, Island of Hawaiʻi, staff at the U.S. Geological Survey Hawaiian Volcano Observatory (HVO) conducted 17 helicopter overflights of the eruption area between the dates of 21 December 2020 and 8 June 2021. Images captured during these flights were processed using the structure-from-motion (SfM) photogrammetry technique to produce...
Island of Hawaii ROD tree inoculation study, 2019-2022 Island of Hawaii ROD tree inoculation study, 2019-2022
This data release includes metadata and tabular data that documents the response of ohia (Metrosideros polymorpha) and ambrosia beetles (Curculionidae, Xyleborini) following the intentional inoculation of healthy ohia to Ceratocystis lukuohia, one of two fungal pathogens that causes Rapid Ohia Death (ROD). Ohia were inoculated with the ROD pathogen at three sites differing in elevation...
Slash Pile Characteristics and their Relationship to Habitat for Sacramento Mountain Salamanders, New Mexico USA Slash Pile Characteristics and their Relationship to Habitat for Sacramento Mountain Salamanders, New Mexico USA
This data package contains six tables: 1) slash pile characteristics, 2) soil moisture and temperature below and nearby slash piles, 3) measurements of individual logs within slash piles, 4) characteristics of log cover objects nearby slash piles, 5) locations and body measurements of Sacramento Mountain salamanders (Aneides hardii) found under or within slash piles or individual log...
Trace element concentrations in streambed sediment and aquatic invertebrates in post-wildfire watersheds in the western United States Trace element concentrations in streambed sediment and aquatic invertebrates in post-wildfire watersheds in the western United States
The U.S. Geological Survey is monitoring concentrations of metals and other trace elements in streambed sediment and aquatic invertebrates in post-wildfire watersheds in five western states including California, Oregon, Montana, Colorado and New Mexico. This data release makes available major and minor trace element concentrations in bed sediment and aquatic invertebrates collected from...
River margin and braid shapefiles digitized from aerial images of the Elwha River, Washington, 2006 to 2022 River margin and braid shapefiles digitized from aerial images of the Elwha River, Washington, 2006 to 2022
This dataset provides GIS shapefiles of river margins and braids derived from 30 aerial imagery datasets of the Elwha River, Washington spanning June 2006 through September 2022. The extent of the river’s recently active flow zone, or margins, and river braids was manually digitized in a GIS using aerial orthoimages to capture changes in the river prior to, during, and after the removal...
Tabular uranium-lead and trace-element compositional data of zircons and whole-rock geochemistry of plutonic rocks in the Sierra Nevada, California Tabular uranium-lead and trace-element compositional data of zircons and whole-rock geochemistry of plutonic rocks in the Sierra Nevada, California
This dataset consists of zircon uranium-lead (U-Pb) isotopic compositions, ages, and trace-element compositions in addition to whole-rock chemical compositions from plutons within the Sierra Nevada, California. These samples primarily collected from 2015 to 2023, although some legacy data are included. Zircon crystals were analyzed using the Sensitive High-Resolution Ion Micro-Probe...