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Water Levels Between March 2002 and May 2011 periodic water level measurements were made in the well on the summit of Kīlauea Volcano using a 2,000-foot calibrated electric tape (Waterline Envirotech Ltd.) with graduations of 0.01 foot. Water level measurements resumed in March 2018. Calibration of the electric tape at the USGS Hydrologic Instrumentation Facility (HIF) in November 2018 revealed a displacement of 0.29 feet over 1,980 feet of the electric tape. We therefore estimate that the accuracy of the water level measurements is 0.3 foot (±9 cm). Water level measurements were referenced to the top of the wellhead, located at 1103 meters above sea level at the time of drilling in 1973. Categories: Data; Tags: Hawaii Volcanoes National Park, Kilauea volcano, water depth Rat mark-recapture data in Hawaii Volcanoes National Park from 2015-2017 In Hawai‘i and other oceanic islands with few native land mammals, black rats (Rattus rattus) are among the most damaging invasive vertebrate species to native forest bird populations and habitats, due to their arboreal behavior and generalist foraging habitats and habitat use. This is a selected data set used to assess the impacts of rodenticide treatment on black rat (Rattus rattus) abundance within Hawaii Volcanoes National Park (HAVO). The key objective was to identify rat abundance before and after rodenticide treatment, using paired non-treatment and treatment plots at high elevation (1700-1830m) and low elevation (1220-1340 m). This dataset includes the results of a mark recapture study that took place within... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BACI, Hawaii, Hawaii County 2, Hawaii Volcanoes National Park, Hawaii Volcanoes National Park, All tags... invasive rat, invasive species, natural resource management, nest success, predator control, Fewer tags Hawaii Volcanoes National Park Plant Trait, Percent Cover, and Environmental Data 2014 This data release includes data and metadata on 1) the coverage and composition of plants 2) species specific plant traits 3) sampling locations and 4) environmental data. All sites were within Hawaii Volcanoes National Park on Hawaii Island. Plant cover data were obtained from National Park Service Inventory and Monitoring Program. Plant trait data was collected for these plots in 2014. This study aims to evaluate how traits of native and exotic plant species change along environmental gradients and what this suggests for plant competition and invasion. Categories: Data; Tags: Ecology, Hawaii, Hawaii Volcanoes National Park, USGS Science Data Catalog (SDC), botany, All tags... bryophyte, ecology, forest resources, forest restoration, invasive species, plant ecology, seedling recruitment, tropical forest dynamics, Fewer tags Appendix C - Density and vesicularity data for selected lava and tephra samples from the June 2007 Father's Day eruption site, Kīlauea Volcano An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Transmitted and induced very-low-frequency (VLF) magnetic fields were measured with a handheld VLF receiver along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. This dataset records the density and vesicularity of selected lava and tephra samples collected from the June 2007 Father's Day eruption site. The density of the basalt erupted was determined by measuring the weight of spatter and lava... Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Hawaii, Hawaii Volcanoes National Park, All tags... Island of Hawaiʻi, Kānenuiohamo, Kīlauea, Puʻuʻōʻō, State of Hawaii, eruption, field inventory and monitoring, geoscientificInformation, intrusion, lava density, lava flow, lava vesicularity, tephra, volcanic activity, volcanology, Fewer tags Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023) Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury Project (DMP). This data release supersedes Eagles-Smith, C.A., Nelson, S.J., Flanagan-Pritz, C.M., Willacker Jr., J.J., and Klemmer, A.J., 2018, Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 8.0, December 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9TK6NPT. Please contact fresc_outreach@usgs.gov for access. Categories: Data, Data Release - Revised; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Amistad National Recreation Area, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, All tags... Aquatic Biology, Assateague Island National Seashore, Battle Creek Cypress Swamp, Bear Creek Lake Park, Bear Meadows Natural Area, Big Bend National Park, Big Cypress National Preserve, Big Thicket National Preserve, Buffalo National River, Cape Cod National Seashore, Capitol Reef National Park, Carl Sandburg Home National Historic Site, Carlsbad Caverns National Park, Channel Islands National Park, Chattahoochee River National Recreation Area, Chickasaw National Recreation Area, City of Rocks National Reserve, Colorado National Monument, Congaree National Park, Crater Lake National Park, Craters of the Moon National Monument & Preserve, Cuyahoga Valley National Park, Death Valley National Park, Delaware Water Gap National Recreation Area, Denali National Park and Preserve, Devils Tower National Monument, East Inlet Natural Area-Connecticut Lakes Nature Preserve, Ecology, Ell Pond Preserve, Everglades National Park, Fort Larned National Historic Site, Fort Worth Nature Center and Refuge National Natural Landmark, Gateway National Recreation Area, Glacier Bay National Park & Preserve, Glacier National Park, Glen Canyon National Recreation Area, Golden Gate National Recreation Area, Grand Canyon National Park, Grand Portage National Monument, Grand Teton National Park, Great Basin National Park, Great Sand Dunes National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Hawaii Volcanoes National Park, Homestead National Monument, Horseshoe Bend National Military Park, Hot Springs National Park, Indiana Dunes National Park, Isle Royale National Park, Jean Lafitte National Historical Park and Preserve, John Day Fossil Beds National Monument, Joshua Tree National Park, Katahdin Woods and Waters National Monument, Katmai National Park and Preserve, Kenai Fjords National Park, Kenilworth Park & Aquatic Gardens, Klondike Gold Rush National Historical Park, Knife River Indian Villages National Historic Site, Lake Clark National Park and Preserve, Lassen Volcanic National Park, Lewis and Clark National Historical Park, Lilley Cornett Woods, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Maurice National Wild and Scenic River, Minute Man National Historical Park, Mississippi National River & Recreation Area, Monocacy National Battlefield, Montezuma Castle National Monument, Mount Rainier National Park, Natchez Trace Parkway and National Scenic Trail, New River Gorge National Park and Preserve, Niobrara National Scenic River, North Cascades National Park, Ocmulgee Mounds National Historical Park, Olympic National Park, Oregon Caves National Monument, Ozark National Scenic Riverway, Padre Island National Seashore, Petersburg National Battlefield, Pictured Rocks National Lakeshore, Pinnacles National Park, Pipestone National Monument, Prince William Forest Park, Pu'ukohola Heiau National Historic Site, Redwood National Park, Richmond National Battlefield Park, Rio Grande Wild & Scenic River, Rock Creek Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint Croix National Scenic Riverway, Saint-Gaudens National Historic Site, San Juan Island National Historical Park, Santa Monica Mountains National Recreation Area, Sequoia & Kings Canyon National Parks, Shenandoah National Park, Sleeping Bear Dunes National Lakeshore, Sudbury, Assabet & Concord Wild & Scenic Rivers, Tallgrass Prairie National Preserve, Timucuan Ecological Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), Upper Delaware Scenic and Recreational River, Valles Caldera National Preserve, Voyageurs National Park, Water Quality, Weir Farm National Historical Park, Wekiva Wild & Scenic River, White Mountain National Forest, Wildlife Biology, Wind Cave National Park, Women’s Rights National Historical Park, Yellowstone National Park, Yosemite National Park, Zion National Park, biota, environment, mercury contamination, Fewer tags Plot location, burn severity, and canopy data, Hawai‘i Volcanoes National Park This data includes plot location, elevation, canopy density, canopy species, and char height for each plot that was surveyed for this study. All plots were located in the burn scar of the 2018 Keauhou Fire in Hawaiʻi Volcanoes National Park, in the area known as the "Mauna Loa strip", located on the south flank of Mauna Loa. Categories: Data; Tags: Hawaii, Hawaii Volcanoes National Park, avian diet, botany, ecology, All tags... exotic grass, forest resources, forest restoration, land use change, plant competition, plant ecology, seed limitation, seedling recruitment, tropical forest dynamics, Fewer tags Occurrence of natural nest cavities in montane ohia trees in Hawaii Volcanoes National Park We quantified the availability of breeding habitat of the endangered Hawaii Akepa (Loxops coccineus). The species is thought to nest excusively in natural cavities within mature ohia (Metrosideros polymorpha) trees but birds commonly occur in short stature trees that presumably do not have any natural cavities because of their polyploidal (many-branched) structure. To test this hypothesis we searched for cavities in trees where akepa forage and we measured diameter of each stem of each tree examined. The habitat is in montane areas of Hawaii Volcanoes National Park on Mauna Loa volcano.We surveyed 57 plots, 49 in montane woodland and 8 in closed-canopy forest. Six tree cavities were detected in the 214 sampled trees:... Categories: Data; Tags: Hawaii Island, Hawaii Volcanoes National Park, Mauna Loa, Metrosideros polymorpha, Montane woodland, All tags... biota, diameter at breast height, natural tree cavities, polyploidal, Fewer tags Seedling counts, Hawaiʻi Volcanoes National Park This data release includes data and metadata on seedling counts for native woody species, for plots that were established to monitor the efficacy of post-fire seed addition in Hawaii Volcanoes National Park on the Island of Hawaiʻi. All plots were located in the burn scar of the 2018 Keauhou Fire in Hawaiʻi Volcanoes National Park, in the area known as the "Mauna Loa strip", located on the south flank of Mauna Loa. Categories: Data; Tags: Hawaii, Hawaii Volcanoes National Park, avian diet, botany, ecology, All tags... exotic grass, forest resources, forest restoration, land use change, plant competition, plant ecology, seed limitation, seedling recruitment, tropical forest dynamics, Fewer tags Keanakākoʻi Tephra unit D, Kīlauea Volcano, Hawaii: sample details, grain size, and grain shape data for 100 tephra samples A total of 100 samples were collected from two proximal sections of Keanakākoʻi, Tephra unit D deposits. Samples were analyzed on Microtrac CAMSIZER® P4 and X2 instruments for grain size and shape data in the USGS Hawaiian Volcano Observatory (HVO) tephra lab. Data release includes sample descriptions, half phi grain size distributions, and statistical output from DECOLOG deconvolution modeling of grain size distributions. Grain size is reported using the sieve compatible Xcmin parameter (CAMSIZER® manual, 2020). Data of 2D shape parameter means of sphericity, Krumbein roundness and compactness of samples as well as for half phi grain size bins at 4, 3, 2, 1, 0, and -1 phi are also included. Please refer to associated... Categories: Data; Tags: Camsizer, Grain shape, Grain size, Hawaii Volcanoes National Park, Kīlauea Volcano, All tags... Kīlauea summit, Magma-water interaction, Phreatomagmatic, Sample information, Shape parameter, Tephra, Tephra deposit, USGS Science Data Catalog (SDC), Volcanic ash, Volcanic ash, Volcanology, geoscientificInformation, grain-size analysis, volcanic rocks, volcanology, Fewer tags Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a citizen science framework. Categories: Data; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, Aquatic Biology, All tags... Battle Creek Cypress Swamp, Bear Creek Lake Park, Bear Meadows Natural Area, Big Bend National Park, Big Cypress National Park, Big Thicket National Preserve, Buffalo National River, Cape Cod National Seashore, Capitol Reef National Park, Carl Sandburg Home National Historic Site, Channel Islands National Park, Chickasaw National Recreation Area, Colorado National Monument, Congaree National Park, Cuyahoga Valley National Park, Death Valley National Park, Delaware Water Gap National Recreation Area, Denali National Park and Preserve, Devils Tower National Monument, East Inlet Natural Area-Connecticut Lakes Nature Preserve, Ecology, Environmental Health, Everglades National Park, Fort Worth Nature Center and Refuge National Natural Landmark, Gateway National Recreation Area, Glacier Bay National Park & Preserve, Glacier National Park, Glen Canyon National Recreation Area, Golden Gate National Recreation Area, Grand Canyon National Park, Grand Portage National Monument, Grand Teton National Park, Great Basin National Park, Great Sand Dunes National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Hawaii Volcanoes National Park, Homestead National Historic Site, Hot Springs National Park, Indiana Dunes National Park, Isle Royale National Park, Jean Lafitte National Historical Park and Preserve, John Day Fossil Beds National Monument, Katahdin Woods and Waters National Monument, Katmai National Park and Preserve, Kenilworth Park & Aquatic Gardens, Klondike Gold Rush National Historical Park, Knife River Indian Villages National Historic Site, Lake Clark National Park, Lassen Volcanic National Park, Lewis and Clark National Historical Park, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Maurice National Wild & Scenic River, Minute Man National Historical Park, Mississippi National River & Recreation Area, Monocacy National Battlefield, Montezuma Castle National Monument, Mount Rainier National Park, Natchez Trace Parkway and National Scenic Trail, Niobrara National Scenic River, North Cascades National Park, Olympic National Park, Oregon Caves National Monument, Ozark National Scenic Riverway, Padre Island National Seashore, Pictured Rocks National Lakeshore, Pinnacles National Park, Pipestone National Monument, Prince William Forest Park, Pu'ukohola Heiau National Historic Site, Redwood National Park, Richmond National Battlefield Park, Rock Creek Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint Croix National Scenic Riverway, Saint-Gaudens National Historic Site, San Juan Island National Historical Park, Santa Monica Mountains National Recreation Area, Saugus Iron Works National Historic Site, Sequoia & Kings Canyon National Parks, Shenandoah National Park, Sleeping Bear Dunes National Lakeshore, Tallgrass Prairie National Preserve, Timucuan Ecological Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), Upper Delaware Scenic and Recreational River, Valles Caldera National Preserve, Voyageurs National Park, Water Quality, Weir Farm National Historic Site, Wildlife Biology, Wind Cave National Park, Women’s Rights National Historical Park, Yellowstone National Park, Yosemite National Park, Zion National Park, biota, environment, mercury contamination, Fewer tags Hawaii Volcanoes National Park, Puhimau Geothermal Area vegetation and abiotic data, 2011-2021 This data release includes metadata and tabular data that documents survival of endangered Portulaca sclerocarpa, percent cover of vegetation surrounding Portulaca sclerocarpa, as well as soil depth and soil temperature. All data were taken between 2011-2021 in the Puhimau Geothermal Area in Hawaiʻi Volcanoes National Park. Categories: Data; Tags: Ecosystem restoration, Endangered species management, Geothermal activity, Hawaii Island, Hawaii Volcanoes National Park, All tags... Invasive grasses, Plant competition, Soil temperature, USGS Science Data Catalog (SDC), biota, Fewer tags Water chemistry and isotope data Chemistry and Isotope Data Sample Collection: Water samples were collected from approximately 100 feet (30 meters) below the water table using either a 4 foot or 6 foot long stainless-steel bailers with an inner diameter of 0.5 in. Samples for anion concentration measurements were poured into 60 ml polypropylene bottles through 0.45mm pore-diameter filter. Raw (unfiltered, unpreserved) samples for oxygen-18 and deuterium isotope analyses were stored in 30 ml glass bottles. Sample Analyses: The concentrations of sulfate (SO42-), chloride (Cl-), and fluoride (F-) in samples collected until October 2003 were determined with a Dionex DX-300 ion chromatograph, and since October 2003 with a Dionex ICS-2000 ion chromatograph... Categories: Data; Tags: Hawaii Volcanoes National Park, Kilauea volcano, water chemistry, water isotopes Repeat microgravity data from Kilauea Volcano, Hawaii These data are microgravity measurements collected at the summit of Kilauea Volcano, Hawaii. Data are collected using multiple instruments, with each file representing measurements from a specific instrument during a specific time period. The data dictionary explains the file format and contents, and the dataset will be updated as new measurements are collected. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geophysics, Hawaii County 2, Hawaii Volcanoes National Park, USGS Science Data Catalog (SDC), Volcanology, All tags... geodesy, gravimeter measurement, volcano monitoring, Fewer tags Hawaii Volcanoes National Park Hawaii Elepaio Territory Size 1994 and 2015-2017 The data provide approximate size of Hawaii elepaio territories from field observation in 1994, and in 2015-2017 at the same field site along the Mauna Loa Strip section of Hawaii Volcanoes National Park. Categories: Data; Tags: Hawaii, Hawaii County, Hawaii Volcanoes National Park, Mauna Loa Strip, avian ecology, All tags... biota, bird behavior, mesic forest, territory spot map, Fewer tags Olivine and glass analyses for select eruptions of Kīlauea Volcano, Hawai‘i Olivine and glass major and minor element chemistry for select eruptions of Kīlauea Volcano, Hawai‘i as measured by electron microprobe, with secondary standard analyses. Categories: Data; Tags: Hawaii Volcanoes National Park, USGS Science Data Catalog (SDC), Volcanology, geoscientificInformation General quadrat information, Hawaiʻi Volcanoes National Park This data release includes data and metadata on plant functional group and substrate cover, as well as location information, and soil depth data, for plots that were established to monitor the efficacy of post-fire seed addition in Hawaiʻi Volcanoes National Park on Hawaii Island. All plots were located in the burn scar of the 2018 Keauhou Fire in Hawaiʻi Volcanoes National Park, in the area known as the "Mauna Loa strip", located on the south flank of Mauna Loa. Categories: Data; Tags: Hawaii, Hawaii Volcanoes National Park, avian diet, botany, ecology, All tags... exotic grass, forest resources, forest restoration, land use change, plant competition, plant ecology, seed limitation, seedling recruitment, tropical forest dynamics, Fewer tags Landbird survey bird data collected in Hawaii Volcanoes National Park during 2015 and 2016 The data are in the comma delimited file HAVO_2015_2016_BirdSurveyData.csv. Hawaiʻi Volcanoes National Park (HAVO) was surveyed for landbirds and landbird habitat from February through April 2015 and February through April 2016. This information provides the second datum in the time-series of Pacific Island Network (PACN) monitoring for long-term trends in landbird distribution, density, and abundance. Initial PACN surveys were conducted in 2010 and are repeated every five years. The entire survey area was comprised of eight tracts in forest, woodland, and shrub habitat, totaling 26,364 ha. Each tract was surveyed using point-transect distance sampling to calculate estimates of bird abundance and density. In addition... Categories: Data; Types: Citation; Tags: Forest birds, Hawaii Volcanoes National Park, Inventory and Monitoring (I&M) Program, Landbird monitoring protocol, National Park Service (NPS), All tags... Point-transect distance sampling, Status, Trend, Fewer tags Appendix B - Line lengths for crack stations in Nāpau Crater An intrusion into Kīlauea’s upper East Rift Zone during June 17–19, 2007, during the 1983–2018 Pu‘u‘ō‘ō eruption, led to widespread ground cracking and a small (~1,525 m3) eruption on the northeast flank of the Kānenuiohamo cone, about 6 km upslope from the Pu‘u‘ō‘ō vent. Transmitted and induced very-low-frequency (VLF) magnetic fields were measured with a handheld VLF receiver along transects spanning the dike trace, and zones of ground cracking related to the intrusion were mapped. This dataset records the distance between sets of nails spanning ground cracks at discrete locations in Nāpau Crater, installed in 1997 as "crack stations" to monitor change. See fig. B-1 in the associated publication for a map of crack... Categories: Data; Tags: East Rift Zone, Episode 56, Father's Day event, Hawaii, Hawaii Volcanoes National Park, All tags... Island of Hawaiʻi, Kīlauea, Nāpau Crater, Puʻuʻōʻō, State of Hawaii, dike, eruption, field inventory and monitoring, geoscientificInformation, ground crack, intrusion, volcanic activity, volcanology, Fewer tags Sampling locations for occurrence of natural nest cavities in montane ohia trees in Hawaii Volcanoes National Park We quantified the availability of breeding habitat of the endangered Hawaii Akepa (Loxops coccineus). The species is thought to nest excusively in natural cavities within mature ohia (Metrosideros polymorpha) trees but birds commonly occur in short stature trees that presumably do not have any natural cavities because of their polyploidal (many-branched) structure. To test this hypothesis we searched for cavities in trees where akepa forage and we measured diameter of each stem of each tree examined. The habitat is in montane areas of Hawaii Volcanoes National Park on Mauna Loa volcano.We surveyed 57 plots, 49 in montane woodland and 8 in closed-canopy forest. Six tree cavities were detected in the 214 sampled trees:... Categories: Data; Tags: Hawaii Island, Hawaii Volcanoes National Park, Mauna Loa, Metrosideros polymorpha, Montane woodland, All tags... biota, diameter at breast height, natural tree cavities, polyploidal, Fewer tags Hawaii Volcanoes National Park plant-soil feedbacks and fire data, 2019 This data release includes metadata and tabular data that documents growth and root nodulation of Acacia koa and Sophora chrysophylla in different soil types. Soils contained innoculum from conspecific versus heterospecific plants and were taken from areas that had burned in the 2018 Keauhou fire versus areas that had not burned . All plants were grown and data were taken in 2019 in a shadehouse structure in Hawaiʻi Volcanoes National Park. Categories: Data; Tags: Ecology, Hawaii Island, Hawaii Volcanoes National Park, USGS Science Data Catalog (SDC), biota, All tags... fire, legumes, plant-soil feedbacks, restoration, rhizobia, Fewer tags 1 2 »