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Harmful Algal Bloom Modeling Framework for the Highland Lakes, Colorado River, Texas, 1984–2018 Harmful Algal Bloom Modeling Framework for the Highland Lakes, Colorado River, Texas, 1984–2018
The Highland Lakes are a chain of five reservoirs (Lake Buchanan, Inks Lake, Lake Lyndon B. Johnson, Lake Marble Falls, and Lake Travis) on the Colorado River of central Texas that are collectively managed by the Lower Colorado River Authority (LCRA). Since 2013 the LCRA has used a combination of Soil and Water Assessment Tool (SWAT, version 2005 [Neitsch and others, 2005] or 2009...
Consolidated Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States Consolidated Prospect- and Mine-Related Features from U.S. Geological Survey 7.5- and 15-Minute Topographic Quadrangle Maps of the United States
These data, modified from Horton and San Juan (2016), are a consolidation of point and polygon features representing mine and prospect-related symbols shown on U.S. Geological Survey (USGS) 7.5- and 15-minute topographic maps from the Historical Topographic Map Collection (HTMC). This consolidation supports more accurate counts of mine features represented in the database, which are...
Data (VNIR-SWIR reflectance, TIR emissivity, XRD and ATR-FTIR) Supporting Analyses of NYF Pegmatite and Garnet-Biotite Gneiss Rocks from Amelia County, Virginia Data (VNIR-SWIR reflectance, TIR emissivity, XRD and ATR-FTIR) Supporting Analyses of NYF Pegmatite and Garnet-Biotite Gneiss Rocks from Amelia County, Virginia
This data set represents laboratory measurements conducted on a suite of select 53 pegmatite and host rock samples to better spectrally characterize complex pegmatite minerals. Of these 53 samples that were measured and analyzed, this includes 24 samples collected from the Morefield Mine, Amelia County, VA, six samples from the Martin-Marietta Amelia Quarry, Amelia County, VA, three...
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...