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122 results for “Marcell Experimental Forest”
Marcell Experimental Forest daily precipitation, 1961 - ongoing
This data publication contains daily precipitation data collected from 1961-ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. The data come from seven peatland watersheds instrumented for hydrologic monitoring.
Marcell Experimental Forest seasonal soil moisture, 1966 - ongoing
This data publication contains available soil water measured three times a year (1966 - ongoing) at the Marcell Experimental Forest (MEF) in Balsam Township, Itasca County, Minnesota. The data came from six peatland / upland forest watersheds instrumented for long-term hydrological and biogeochemical research. The Marcell Experimental Forest in Itasca County, Minnesota is operated and maintained by the USDA Forest Service, Northern Research Station, and was formally established in 1962 to study the ecology and hydrology of peatlands.
Marcell Experimental Forest 30-minute water table elevation and temperature from transects of wells in the S2 and S6 peatlands, 2018-ongoing
This data publication contains 30-minute water table elevation and temperature data collected along bog to lagg transects within two watersheds at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. The bog to lagg transects are located on the north and south sides of S2 and S6 peatlands and contain three surface water wells each. The water table elevations provide information to calculate the hydraulic gradients that drive flow to and from the bogs. The collection of these data was funded by the US Department of Energy. The research program at Marcell Experimental Forest is managed by the USDA Forest Service Northern Research Station.
Marcell Experimental Forest chemistry of surface water draining the S2 catchment, 1986 - ongoing
This data set is a record since 1986 of chemistry for surface water draining the S2 catchment at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. Unfiltered water is usually collected every one or two weeks as part of the long-term monitoring program of the S2 catchment. Some samples were collected more often for various other studies and are included in this data set. Samples are routinely measured for pH, specific conductivity, anions (chloride, sulfate), cations (calcium, magnesium, potassium, sodium, aluminum, iron, manganese, strontium), silicon, nutrients (ammonium, nitrate+nitrite, soluble reactive phosphorus, total nitrogen, total phosphorus), and total organic carbon. Occasionally, stable water and mercury isotopes as well as concentrations of dissolved organic carbon (DOC), bacterial respiration of dissolved organic matter, biodegradable DOC (BDOC), ferrous and ferric iron, total mercury (filtered or unfiltered), methylmercury (filtered or unfiltered), and lead were measured. Ultraviolet (UV) absorbance, a measure of water color or dissolved organic matter optical properties, was also measured for some samples. More solutes and values will be added as additional metadata are documented (pre-1986 to 1992), water samples are collected and analyzed (concentrations and isotopes), or archived water samples are analyzed for stable water isotopes. The MEF is operated and maintained by the USDA Forest Service, Northern Research Station.
Marcell Experimental Forest daily peatland water table elevation, 1961 - ongoing
This data publication contains daily water table elevation data collected from 1961-ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. The data come from seven peatlands instrumented for hydrologic monitoring.
Marcell Experimental Forest biweekly snow depth, frost depth, and snow water equivalent, 1962 - ongoing
This data table contains snowpack and frost data measured at the Marcell Experimental Forest from 1962–ongoing. The data came from five peatland/upland forest watersheds instrumented for hydrologic monitoring. Frost thickness and snowpack (snow water content, snowpack depth) are measured at 10 snowcourses that encompass three cover types (conifer, deciduous, open). The Marcell Experimental Forest in Itasca County, Minnesota, is operated and maintained by the USDA Forest Service, Northern Research Station, and was formally established in 1962 to study the ecology and hydrology of peatlands.
Marcell Experimental Forest daily maximum and minimum air temperature, 1961 - ongoing
This data publication contains daily maximum and minimum air temperature collected from 1961-ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. The data come from three long-term meteorological monitoring stations.
Marcell Experimental Forest weekly soil temperature, 1989 - ongoing
This data publication contains soil temperature measured at eight depths weekly (1989 - ongoing) at the Marcell Experimental Forest (MEF) in Balsam Township, Itasca County, Minnesota. The data came from five peatland / upland forest watersheds instrumented for long-term hydrological and biogeochemical research. The Marcell Experimental Forest in Itasca County, Minnesota is operated and maintained by the USDA Forest Service, Northern Research Station, and was formally established in 1962 to study the ecology and hydrology of peatlands.
Marcell Experimental Forest 15-minute precipitation, 2011 - ongoing
This data publication contains 15-minute precipitation data collected from 2011-ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. The data come from three long-term meteorological monitoring stations.
Marcell Experimental Forest 30-minute resolution meteorological data, 2006 - ongoing
This data publication contains 30-minute meteorological data collected from 2006 - ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. Air temperature, relative humidity, wind speed and direction, photosynthetic photon flux density, soil temperature, and soil volumetric water content were measured at three meteorological monitoring stations. One station is in an upland clearing, one is under an upland forest canopy, and the third is in a peatland.
Marcell Experimental Forest 10-minute soil temperature and moisture, 2008 - ongoing
This data set is a record of soil temperature and volumetric water content (soil moisture) on two upland mineral soil hillslopes at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. These data are collected as part of the long-term monitoring program at the S2 catchment, which has 6.5 ha of upland mineral soil that surrounds a central 3.2 ha peatland. Soil temperature and moisture are recorded every 10 minutes since 2008 at S2S, a north-facing hillslope that is south of the S2 bog. Measurements at S2N, a south-facing hillslope that is north of the S2 bog, began during 2009. Measurements were recorded at two depths at each of three different relative positions (downslope, mid-slope, and upslope) on the two hillslopes. The MEF is operated and maintained by the USDA Forest Service, Northern Research Station.
Marcell Experimental Forest 30-minute air temperature, relative humidity, and barometric pressure, 2015 - ongoing
This data publication contains air temperature, relative humidity, and atmospheric pressure data collected at 30-minute resolution from 2015-ongoing at three long term meteorological monitoring stations at the Marcell Experimental Forest (MEF). The MEF is located in Itasca County, Minnesota and is operated and maintained by the USDA Forest Service, Northern Research Station.
Marcell Experimental Forest chemistry of surface water draining the S6 catchment, 1986 - ongoing
This data set is a record since 1986 of chemistry for surface water draining the S6 catchment at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. Unfiltered water is usually collected every one or two weeks as part of the long-term monitoring program of the S6 catchment. Some samples were collected more often for various other studies and are included in this data set. Samples are routinely measured for pH, specific conductivity, anions (chloride, sulfate), cations (calcium, magnesium, potassium, sodium, aluminum, iron, manganese, strontium), silicon, nutrients (ammonium, nitrate+nitrite, soluble reactive phosphorus, total nitrogen, total phosphorus), and total organic carbon. Occasionally, stable water isotopes as well as concentrations of dissolved organic carbon (DOC), bacterial respiration of dissolved organic matter, biodegradable DOC (BDOC), ferrous and ferric iron, total mercury (filtered or unfiltered), and methylmercury (filtered or unfiltered) were measured. Ultraviolet (UV) absorbance, a measure of water color or dissolved organic matter optical properties, was also measured for some samples. More solutes and values will be added as additional metadata are documented (pre-1986 to 1992), water samples are collected and analyzed (concentrations and isotopes), or archived water samples are analyzed for stable water isotopes. The MEF is operated and maintained by the USDA Forest Service, Northern Research Station.
Marcell Experimental Forest monthly upland water table elevation, 1962 - ongoing
This data publication contains monthly upland ground water table elevation data collected from 1962-ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. The data come from upland monitoring wells in six watersheds (with peatlands) that are instrumented for hydrologic monitoring.
Marcell Experimental Forest daily bulk atmospheric deposition, 2009 - ongoing
This data set reports daily bulk atmospheric deposition calculated from the event-based chemistry of precipitation water that was collected at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. The data come from sites in two research catchments instrumented for hydrologic monitoring - the meteorological station located in an upland clearing in the S2 research catchment and the S1 bog as part of the Spruce and Peatland Responses Under Changing Environments (SPRUCE) experiment. The MEF is operated and maintained by the USDA Forest Service, Northern Research Station. The SPRUCE experiment is a multi-year cooperative project among scientists of the Oak Ridge National Laboratory operated by UT-Battelle, LLC and the USDA Forest Service, Northern Research Station. The SPRUCE experiment is funded by the US Department of Energy, Biological and Environmental Research Program.
Marcell Experimental Forest porewater chemistry at the S2 catchment, 2009 - ongoing
This data set reports surface and porewater chemistry from the bog and lagg of the S2 peatland at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. Lagg porewaters have been collected weekly from shallow depth samplers (0-10 cm) at two sites, 2009 to ongoing. Bog porewaters have been collected weekly or biweekly from shallow depth samplers (0-10 cm) at three sites from 2010 to ongoing. Bog waters have been collected monthly at multiple depths (0, 30, 50, 100, and ~200 cm) at three piezometers nests from 2014 to ongoing. Lagg and bog surface or porewaters were synoptically collected from up to 40 and 13 sites (0-10 cm depth), respectively, multiple times from 2009 to 2014. Samples have never been collected when samplers were frozen (typically November to May). Samples are measured for pH, specific conductivity, anions (chloride, sulfate), cations (calcium, magnesium, potassium, sodium, aluminum, iron, manganese, strontium), silicon, nutrients (ammonium, nitrate, soluble reactive phosphorus, total nitrogen, total phosphorus), and total organic carbon. Ferrous and ferric iron concentrations have been measured for some but not all samples. Water isotopes have also been measured for some but not all samples. The MEF is operated and maintained by the USDA Forest Service, Northern Research Station.
Marcell Experimental Forest stable isotopes of water, 2008 - ongoing
This data set reports natural abundance water stable isotope values (deuterium and oxygen-18) from the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. Samples of precipitation, snowpack, stream, bog, lagg, soil water, upland runoff, lake water and aquifer groundwater have been collected since 2008 for chemistry measurement. Sampling is ongoing. The samples originate from multiple research plots and catchments, with many of the samples collected as part of the Spruce and Peatland Responses Under Changing Environments (SPRUCE) experiment. Water isotopes have been measured for some but not all samples. More values from more sites will be added as the archive of water samples is analyzed for water isotopes. The MEF is operated, maintained, and funded by the USDA Forest Service, Northern Research Station. The SPRUCE experiment is a multi-year cooperative project among scientists of the Oak Ridge National Laboratory operated by UT-Battelle, LLC and the USDA Forest Service, Northern Research Station, with funding from the US Department of Energy, Biological and Environmental Research Program
Marcell Experimental Forest biweekly bog frost depth, 1985 - ongoing
This dataset contains frost depth data collected every two weeks in two peatlands instrumented for hydrologic monitoring at the Marcell Experimental Forest (MEF) from 1985–ongoing, only from February until the end of frost during Spring. The variables measured are depth to frost layer, frost thickness, and frost occurrence as percent of area. The three measurements provide information on the depth, duration, and extent of a frost layer. The Marcell Experimental Forest in Itasca County, Minnesota is operated and maintained by the USDA Forest Service, Northern Research Station, and was formally established in 1962 to study the ecology and hydrology of peatlands.
Marcell Experimental Forest breakpoint streamflow, 1962 - ongoing
This data publication contains breakpoint streamflow data collected from 1962-ongoing at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota, which is operated and maintained by the USDA Forest Service, Northern Research Station. The MEF was formally established in 1962 and contains six watersheds instrumented for hydrologic monitoring, each consisting of an upland portion and a peatland that is the source of a stream leaving the watershed. The watersheds and environmental monitoring at the MEF are part of a long-term research program on the hydrology and biogeochemistry of watersheds with uplands and northern peatlands.
Marcell Experimental Forest event based precipitation chemistry, 2008 - ongoing
This data set reports the event-based chemistry of precipitation water that was collected at the Marcell Experimental Forest (MEF) in Itasca County, Minnesota. The data come from sites in two research catchments instrumented for hydrologic monitoring - the meteorological station located in an upland clearing in the S2 research catchment and the S1 bog as part of the Spruce and Peatland Responses Under Changing Environments (SPRUCE) experiment. Sample collection and analyses started during June of 2008 at the S2 site and is ongoing. Sample collection and analyses started during December of 2013 at the SPRUCE S1 sites and will continue for the duration of the experiment. The MEF is operated and maintained by the USDA Forest Service, Northern Research Station. The SPRUCE experiment is a multi-year cooperative project among scientists of the Oak Ridge National Laboratory operated by UT-Battelle, LLC and the USDA Forest Service, Northern Research Station. The SPRUCE experiment is funded by the US Department of Energy, Biological and Environmental Research Program.
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