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Historical groundwater and produced water chemistry data compiled for the San Ardo Oil Field and vicinity, Monterey County, central California Historical groundwater and produced water chemistry data compiled for the San Ardo Oil Field and vicinity, Monterey County, central California

This digital dataset includes 255 samples from 41 groundwater wells and 271 samples of produced water from 143 sites (including 101 wells) located within 3 miles of the San Ardo Oil Field in Monterey County, central California. Historical geochemistry data were compiled from multiple data sources for selected water-quality indicators, major and minor ions, nutrients, and trace elements...

Crater geometry data for Puʻuʻōʻō, on Kīlauea Volcano’s East Rift Zone, in May 2018 Crater geometry data for Puʻuʻōʻō, on Kīlauea Volcano’s East Rift Zone, in May 2018

The 2018 lower East Rift Zone eruption and accompanying summit collapse of Kīlauea Volcano, Hawaiʻi, comprised one of the most impactful events on the volcano in the past 200 years, with hundreds of homes destroyed and major changes in the topography of the summit caldera. The opening stages of this eruptive sequence started on 30 April, when a magmatic dike began moving east from...

Lithogeochemistry and images of selected drill core samples from the Mineral Hill alkaline complex, Wyoming Lithogeochemistry and images of selected drill core samples from the Mineral Hill alkaline complex, Wyoming

This data release contains analytical data and images for a suite of drill core samples from the Mineral Hill alkaline complex (MHAC), northeastern Wyoming. Geochemistry data include major and trace element analytical results for 103 alkaline igneous rock samples. Images include hand sample photographs of halved core and full thin section images captured in transmitted, plane-polarized...

Population Estimates for Selected Breeding Seabirds at Kilauea Point National Wildlife Refuge, Kauai, in 2019 Population Estimates for Selected Breeding Seabirds at Kilauea Point National Wildlife Refuge, Kauai, in 2019

Kilauea Point National Wildlife Refuge (KPNWR) is an important seabird breeding site located at the northeastern tip of Kauai in the main Hawaiian Islands (MHI). Despite the regional significance of KPNWR as one of the most important breeding sites for Red-tailed Tropicbirds (Phaethon rubricauda), Red-footed Boobies (Sula sula), and Wedge-tailed Shearwaters (Ardenna pacifica) in MHI...

Aquaculture and Irrigation Water-Use Model (AIWUM) Version 1.0 Estimates and Related Datasets for the Mississippi Alluvial Plain, 1999-2017 (ver. 2.0, April 2021) Aquaculture and Irrigation Water-Use Model (AIWUM) Version 1.0 Estimates and Related Datasets for the Mississippi Alluvial Plain, 1999-2017 (ver. 2.0, April 2021)

This data release contains monthly and annual water-use estimates from the Aquaculture and Irrigation Water-Use Model version 1.0 for the Mississippi Alluvial Plain, April 1999 to October 2017. Aquaculture and irrigation estimates contained in this data release are representative of groundwater withdrawal for six different categories: aquaculture, cotton, corn, rice, soybeans, and all...

Characteristics of Sites Sampled for eDNA of Amphibians in Mendocino County, California, 2016 Characteristics of Sites Sampled for eDNA of Amphibians in Mendocino County, California, 2016

Stream-obligate amphibians are important indicators of ecosystem health in the Pacific Northwest, but distributional information to improve forest management is lacking in many regions. We analyzed archived DNA extracted from water samples in 60 pools within streams in private timberlands in Mendocino County, California, for 3 California Species of Special Concern - Coastal Tailed Frogs...
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