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This data is part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. The data consists of date, time, and temperature measurements from intertidal rocky sampling sites. The dataset is 5 comma separated files exported from a download from the HOBO temperature logger. Sites are in Alaska and include locations in Katmai National Park and Preserve, Kenai Fjords National Park and northern and western Prince William Sound. There are five sites in each of those areas. The time interval includes 2014-2016. Temperature loggers were set to record hourly. Each file is comprised of data from a single site from a given year. Loggers were re-used so the logger serial number is included...
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Katmai National Park and Preserve, Alaska. Volcanic detritus deposit is 3 feet thick on the north end of Takli Island in Amalik Bay. The detritus is probably thicker on the mainland shown in the background. The white bands on the water are of floating pumice. The dark area in the left foreground is clear water. The white streaks on the beach are fine pumice. The rocks are tertiary basalt. August 8, 1912. Photos mgc00625, mgc00626, and mgc00627 form a panorama.
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Katmai National Park and Preserve, Alaska. Ash-covered graveyard and church at Kaguyak (var. Douglass) village. Grass growing through the ash. July 14, 1912. Photo taken after the June 1912 eruption of Novarupta Volcano.
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Katmai National Park and Preserve, Alaska. Ash drifts around a house at Katmai after the June 1912 eruption of Novarupta Volcano. August 13, 1912.
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These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. The dataset is a series of comma separated files exported from a survey software program (DLog, Ford Consulting, Portland, OR). The data consists of date, time, latitude, longitude, species abbreviation, count, and behavior. Each year the observers attempt to sample the same set of transects although weather, tide state and other factors can interfere with this goal. Transects are in Alaska and include locations in Katmai National Park and Preserve and Kenai Fjords National Park. Other researchers conduct similar surveys in Prince William Sound. The time interval includes 2012-2016.
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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). First posted - September 14, 2018 Revised - October 18, 2019, ver. 2.0 Revised - February 4, 2020, ver. 3.0 Revised - October 28, 2020, ver. 4.0
Categories: Data; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, Battle Creek Cypress Swamp, All tags...
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Katmai National Park and Preserve, Alaska. Katmai Caldera, a collapse feature that formed during the catastrophic eruption of nearby Novarupta Volcano in June 1912, is a steep-walled, 1.5-kilometer (1 mile) diameter crater which truncates a formerly 2,290-meter (7,513-foot) high stratovolcano. The caldera is partially filled by a blue-green lake about 250 meters (820 feet) deep. The lake level was still rising when last measured in the mid-1970's. The multiple peaks of Trident Volcano are at top left. The lava dome of Novarupta Volcano, which marks the site of the 1912 eruption, is visible at top center. Photo by C. Neal, June 4, 1990.
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Katmai National Park and Preserve, Alaska. View from the north rim of Katmai Caldera, a collapse feature that formed during the catastrophic eruption of nearby Novarupta Volcano in June 1912, is a steep-walled, 1.5-kilometer (1 mile) diameter crater which truncates a formerly 2,290-meter (7,513-foot) high stratovolcano. The caldera is partially filled by a blue-green lake about 250 meters (820 feet) deep. The lake level was still rising when last measured in the mid-1970's. The south interior wall of the caldera is visible. Photo by R. McGimsey.
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Katmai National Park and Preserve, Alaska. Volcanic ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Church in the distant background. August 13, 1912.
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Katmai National Park and Preserve, Alaska. Katmai Caldera, a collapse feature that formed during the catastrophic eruption of nearby Novarupta Volcano in June 1912, is a steep-walled, 1.5-kilometer (1 mile) diameter crater which truncates a formerly 2,290-meter (7,513-foot) high stratovolcano. The caldera is partially filled by a blue-green lake about 250 meters (820 feet) deep. The lake level was still rising when last measured in the mid-1970's. Beyond the caldera are the multiple peaks of Trident Volcano. Mount Mageik Volcano is the snow and ice-covered cone on the skyline. View is northeast. Photo courtesy of C. Nye, Alaska Division of Geological and Geophysical Surveys, August 1991.
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Katmai National Park and Preserve, Alaska. Part of ash-covered Katmai after the June 1912 eruption of Novarupta Volcano. August 13, 1912.
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Katmai National Park and Preserve, Alaska. Southeast up the Valley of Ten Thousand Smokes, viewed from the Overlook Cabin. The valley is filled with up to 200 meters (660 feet) of ash-flow deposits from the June 1912 eruption of Novarupta Volcano. The rim of Katmai Caldera is on the left skyline. Photo by R. McGimsey, June 10, 1991.
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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...
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Katmai National Park and Preserve, Alaska. Ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. August 13, 1912.
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Katmai National Park and Preserve, Alaska. Novarupta lava dome (dark, rounded feature in center), viewed from Mount Katmai, which is surrounded by (clockwise from upper left) Falling Mountain, Baked Mountain, and Broken Mountain. The Valley of Ten Thousand Smokes, upper right, was created by the June 1912 eruption of Novarupta Volcano. Photo courtesy of C. Nye, Alaska Division of Geological and Geophysical Surveys, August 1991.
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Katmai National Park and Preserve, Alaska. Creek cutting a channel in a secondary accumulation of volcanic detritus at the base of a mountain west of Amalik Bay. Successive erosional benches are not due to uplift, but to the varying ratio of volume of water to volume of load. August 10, 1912. Photo taken after the June 1912 eruption of Novarupta Volcano.
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This data is part of the GulfWatch Alaska (GWA) long term monitoring program, benthic monitoring component. The data consists of date, time, and temperature measurements from intertidal rocky sampling sites. The site name is part of the file name. The dataset is several comma separated files exported from a download from the HOBO temperature logger. Sites are in Alaska and include locations in Katmai National Park and Preserve, Kenai Fjords National Park and eastern, northern, and western Prince William Sound. There are five sites in each of those areas. The time interval includes 2006-2015. As the temperature logging protocol was developed different monitoring intervals were used. Most temperature loggers were...
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Katmai National Park and Preserve, Alaska. Ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Ash slide on the mountain in the background. August 13, 1912.
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Katmai National Park and Preserve, Alaska. Barabaras (houses) in Kaguyak (var. Douglass) village covered with ash. Grass is coming through the ash, and slumps of wet ash are seen on the steep slopes. The ash was thoroughly saturated from rains at the time. July 14, 1912. Photo taken after the June 1912 eruption of Novarupta Volcano.
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Exotic plant survey polygon data representing infested or non-infested areas including inventory, treatment, and monitoring efforts. Polygons generated from point and line features using a buffer distance entered in the field or data was collected as a polygon for large or irregular sized patches. Data collected by field personnel using mapping grade GPS and a statewide data collection protocol. INSTRUCTIONS FOR USE: see supplemental section on how to use this GeoDatabase.
Tags: AKRO, ANIA, Alaska, Alaska Region NPS Regional Office, Alien / Noxious Plants, All tags...


map background search result map search result map AKR Exotic Plant Management (EPMT) Geodatabase Katmai National Park and Preserve, Alaska. Barabaras (houses) in Kaguyak (var. Douglass) village covered with ash. Katmai National Park and Preserve, Alaska. Ash-covered graveyard and church at Kaguyak (var. Katmai National Park and Preserve, Alaska. Volcanic detritus deposit is 3 feet thick on the north end of Takli Island in Amalik Bay. Katmai National Park and Preserve, Alaska. Creek cutting a channel in a secondary accumulation of volcanic detritus at the base of a mountain west of Amalik Bay. Katmai National Park and Preserve, Alaska. Ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Volcanic ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Part of ash-covered Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Ash drifts around a house at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. View from the north rim of Katmai Caldera, a collapse feature that formed during the catastrophic eruption of nearby Novarupta Volcano in June 1912, is a steep-walled, 1.5-kilometer (1 mile) diameter crater which truncates a formerly 2,290-meter (7,513-foot) high stratovolcano. Katmai National Park and Preserve, Alaska. Southeast up the Valley of Ten Thousand Smokes, viewed from the Overlook Cabin. Marine Water Quality, Water Temperature from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2006-2014 Marine Water Quality, Water Temperature from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2014-2016 Marine Bird and Mammal Survey Data from Katmai National Park and Preserve and Kenai Fjords National Park, 2012-2016 Total Mercury Concentrations in Dragonfly Larvae from U.S. National Parks Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Katmai National Park and Preserve, Alaska. Barabaras (houses) in Kaguyak (var. Douglass) village covered with ash. Katmai National Park and Preserve, Alaska. Ash-covered graveyard and church at Kaguyak (var. Katmai National Park and Preserve, Alaska. Volcanic detritus deposit is 3 feet thick on the north end of Takli Island in Amalik Bay. Katmai National Park and Preserve, Alaska. Creek cutting a channel in a secondary accumulation of volcanic detritus at the base of a mountain west of Amalik Bay. Katmai National Park and Preserve, Alaska. Ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Volcanic ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Ash drifts around houses at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Part of ash-covered Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. Ash drifts around a house at Katmai after the June 1912 eruption of Novarupta Volcano. Katmai National Park and Preserve, Alaska. View from the north rim of Katmai Caldera, a collapse feature that formed during the catastrophic eruption of nearby Novarupta Volcano in June 1912, is a steep-walled, 1.5-kilometer (1 mile) diameter crater which truncates a formerly 2,290-meter (7,513-foot) high stratovolcano. Katmai National Park and Preserve, Alaska. Southeast up the Valley of Ten Thousand Smokes, viewed from the Overlook Cabin. Marine Water Quality, Water Temperature from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2006-2014 Marine Water Quality, Water Temperature from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2014-2016 Marine Bird and Mammal Survey Data from Katmai National Park and Preserve and Kenai Fjords National Park, 2012-2016 AKR Exotic Plant Management (EPMT) Geodatabase Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Total Mercury Concentrations in Dragonfly Larvae from U.S. National Parks