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Campaign GNSS measurements on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory in 2023 Campaign GNSS measurements on the Island of Hawaiʻi collected by the Hawaiian Volcano Observatory in 2023
This release includes data collected during campaign GNSS surveys at Kīlauea and Mauna Loa Volcanoes on the Island of Hawaiʻi in 2023. It includes data from a total of 57 sites occupied from January 1 to December 31, 2023. For each site, we include its measured raw data in daily files, Receiver INdependent EXchange (RINEX) files for each day, field log sheet(s), and associated metadata...
Olivine core and rim electron microprobe analyses for the January-March 2023 Halema‘uma‘u eruption of Kīlauea Olivine core and rim electron microprobe analyses for the January-March 2023 Halema‘uma‘u eruption of Kīlauea
The January-March 2023 Halema‘uma‘u eruption occurred within Kaluapele (Kīlauea’s summit caldera) beginning on January 5 and ending on March 7 (Mulliken et al. 2024). This eruption reoccupied a previously active vent in the western side of the lava lake, as well as opening additional new vents on the eastern side of the lake. Field crews from the U.S. Geological Survey’s Hawaiian Volcano
Olivine core and rim electron microprobe analyses for the September 2023 Halema‘uma‘u eruption of Kīlauea, Island of Hawai‘i Olivine core and rim electron microprobe analyses for the September 2023 Halema‘uma‘u eruption of Kīlauea, Island of Hawai‘i
The September 2023 Halema‘uma‘u eruption began on September 10 and ended on September 16 (~1 week; Mulliken et al. 2024). Field crews from the U.S. Geological Survey’s Hawaiian Volcano Observatory collected tephra samples from fissures that had opened up on an area of the caldera floor east of Halema‘uma‘u crater (see Lynn et al. 2024 for map). Air quenched spatter and tephra samples...
Distance matrices, river-network crosswalks, water temperature observations, and river attribute data for twelve river basins in the United States Distance matrices, river-network crosswalks, water temperature observations, and river attribute data for twelve river basins in the United States
This data release contains input data used to test multi-scale modeling approaches for predicting water temperature in streams and rivers. The target application aims to predict stream temperature at relatively fine spatial resolution across a river basin by combining a machine learning (ML) model (optionally, with additional input data) configured at a relatively coarse spatial...
Two-way Travel Time (TWTT) In Snowpack, Derived from Software-defined Radar Data Collected by Small, Uncrewed Aircraft Systems (sUAS) in Colorado, 2022-25. Two-way Travel Time (TWTT) In Snowpack, Derived from Software-defined Radar Data Collected by Small, Uncrewed Aircraft Systems (sUAS) in Colorado, 2022-25.
These datasets were collected by a ground penetrating radar unit installed on small Uncrewed Aircraft Systems (sUAS). Data include the two-way travel time (TWTT) for the ground surface (distance between the snow-ground interface and sUAS) and the calculated snow depth. The snow depth TWTT is defined as the time duration in nanoseconds that the electromagnetic wave takes to travel from...
Cyanotoxins in the California Sacramento-San Joaquin Delta: Whole Water Cyanotoxin Samples Cyanotoxins in the California Sacramento-San Joaquin Delta: Whole Water Cyanotoxin Samples
This dataset is comprised of cyanotoxin concentrations from whole water cyanotoxin samples collected at water quality stations in the Sacramento-San Joaquin Delta, beginning in 2020. Cyanotoxin congeners were measured from whole water cyanotoxin samples within the cyanotoxin classes: microcystins, anatoxins, cylindrospermopsins, saxitoxins, anabaenopeptins, and nodularin. Concentrations...