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1,891 results for “Field data”
Daily weather data file for Arctic Tundra LTER site at Toolik Field Station, Norht Slope, AK 1992
Daily weather data file for Arctic Tundra LTER site at Toolik Lake. Included are daily averages and/or maximums and minimums of air, soil and lake temperature, wind speed, vapor pressure, and sum of global radiation and unfrozen precipitation recorded near Toolik Lake.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1992.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1994.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1995.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1996.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1997.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Hourly weather data from Toolik Field Station, ARC LTER, Alaska for 1998.
Hourly weather data from the Arctic Tundra LTER site at Toolik Lake. The following parameters are measured every minute and averaged or totaled every hour: air temperature and relative humidity at 1 and 5 meters, wind speed at 1 and 5 meters, wind direction at 5 meters, global solar radiation, photosynthetically active radiation, barometric pressure, and precipitation.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1998.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only sensors measured every 10 minutes and averaged every three hours are include in this file, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Hourly weather data from Toolik Field Station, ARC LTER, Alaska for 1999.
Hourly weather data from the Arctic Tundra LTER site at Toolik Lake. The following parameters are measured every minute and averaged or totaled every hour: air temperature and relative humidity at 1 and 5 meters, wind speed at 1 and 5 meters, wind direction at 5 meters, global solar radiation, photosynthetically active radiation, barometric pressure, and unfrozen precipitation.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 1999.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Hourly weather data from Toolik Field Station, ARC LTER, Alaska for 2006.
Hourly weather data from the Arctic Tundra LTER site at Toolik Lake. The following parameters are measured every minute and averaged or totaled every hour: air temperature and relative humidity at 1 and 5 meters, wind speed at 1 and 5 meters, wind direction at 5 meters, global solar radiation, photosynthetically active radiation, barometric pressure, and unfrozen precipitation.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 2006.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature data from Toolik Field Station, Toolik Lake, Alaska for 2005.
Weather data file for Arctic Tundra LTER site at Toolik Lake. Only the sensors that are measured every 10 minutes and averaged every three hours are include, i.e. soil temperatures, lake temperature, lake depth, and evaporation pan depth and pan water temperature.
Root biomass data: Traits: Biomass Allocation Trends in Old Field in Relation to Gradients of Succesional Age and Soil Nitrogen
The objective of this experiment is to assess biomass allocation trends in the field in relation to gradients of successional age and soil nitrogen. This objective was approached in three ways: A) 37 old fields of various ages were surveyed for above and below ground biomass, soil N, and light penetration. Five strips (1m x 10cm) were clipped in each field for above ground biomass (sorted to grasses and forbs; then sorted to leaf and stem), and 3 root cores (down to 30cm) taken per strip (rinsed, dried and weighed). Two light measurements and one pooled (3 cores) soil N sample (for available and total N) were taken per strip. B) 35 abundant species of known successional status were harvested from the field (usually 15 individuals per species), including roots contained in a core 20x30cm, dried, sorted to stem, leaf, and root, and weighed. These data can be combined with the old field survey results (E014) to estimate successional trends in allocation. C) Root cores will be taken from microplots in fields A, B, C, and D, all treatments. This will be an estimate of root biomass to be combined with the above ground samples (E001) to assess root-shoot trends in response to manipulation of soil N in fields of different age.
Plant aboveground biomass data: Traits: Biomass Allocation Trends in Old Field in Relation to Gradients of Succesional Age and Soil Nitrogen
The objective of this experiment is to assess biomass allocation trends in the field in relation to gradients of successional age and soil nitrogen. This objective was approached in three ways: A) 37 old fields of various ages were surveyed for above and below ground biomass, soil N, and light penetration. Five strips (1m x 10cm) were clipped in each field for above ground biomass (sorted to grasses and forbs; then sorted to leaf and stem), and 3 root cores (down to 30cm) taken per strip (rinsed, dried and weighed). Two light measurements and one pooled (3 cores) soil N sample (for available and total N) were taken per strip. B) 35 abundant species of known successional status were harvested from the field (usually 15 individuals per species), including roots contained in a core 20x30cm, dried, sorted to stem, leaf, and root, and weighed. These data can be combined with the old field survey results (E014) to estimate successional trends in allocation. C) Root cores will be taken from microplots in fields A, B, C, and D, all treatments. This will be an estimate of root biomass to be combined with the above ground samples (E001) to assess root-shoot trends in response to manipulation of soil N in fields of different age.
Plant species percent cover data: Plant Colonization and Species Diversity in an Old Field
This experiment was set up in field "B" on August 23, 1990, within the mammalian herbivore exclosure fence (see E001). This experiment consists of 8 treatments with 6 replicates of each. The 48 plots were randomly assigned their treatment. Plot size is 1m x 1m. Each plot is divided into 4 equal portions. Three of these portions were labeled subplots 5, 6 and 7. The other portion was subdivided into 4 additional portions. The latter subplots were labeled 1, 2, 3 and 4. Thus, each main plot has 7 subplots of which 3 are 0.5m x 0.5m in size and 4 are 0.25m x 0.25m in size. Seeds of many species were collected from Cedar Creek Natural History Area in the fall of 1990 and some were purchased. These seeds were added in the spring of 1991 to the plots according to the following treatments: 1: Control 2: Lightly raked in spring 3: Seed of 29 species added 4: Seed of 29 species + raked 5: Seed of 29 species + Schizachyrium seed (8000/m2) 6: Seed of 29 species + Schizachyrium seed (8000/m2) + raked 7: Seed of Schizachyrium (8000/m2) + raked 8: Seedlings of Schizachyrium (144/m2) Percent cover estimates were done in the fall of 1990 to get baseline data of the species present in the plots before adding seeds. For a list of treatments and the amount of seeds of each species added, see the treatment layouts in file trmte85.
Seedling data: Plant Colonization and Species Diversity in an Old Field
This experiment was set up in field "B" on August 23, 1990, within the mammalian herbivore exclosure fence (see E001). This experiment consists of 8 treatments with 6 replicates of each. The 48 plots were randomly assigned their treatment. Plot size is 1m x 1m. Each plot is divided into 4 equal portions. Three of these portions were labeled subplots 5, 6 and 7. The other portion was subdivided into 4 additional portions. The latter subplots were labeled 1, 2, 3 and 4. Thus, each main plot has 7 subplots of which 3 are 0.5m x 0.5m in size and 4 are 0.25m x 0.25m in size. Seeds of many species were collected from Cedar Creek Natural History Area in the fall of 1990 and some were purchased. These seeds were added in the spring of 1991 to the plots according to the following treatments: 1: Control 2: Lightly raked in spring 3: Seed of 29 species added 4: Seed of 29 species + raked 5: Seed of 29 species + Schizachyrium seed (8000/m2) 6: Seed of 29 species + Schizachyrium seed (8000/m2) + raked 7: Seed of Schizachyrium (8000/m2) + raked 8: Seedlings of Schizachyrium (144/m2) Percent cover estimates were done in the fall of 1990 to get baseline data of the species present in the plots before adding seeds. For a list of treatments and the amount of seeds of each species added, see the treatment layouts in file trmte85.
Tree data: Effects of Deer on Growth and Establishment of Woody Vegetation in Old Fields
The purpose of this experiment is to measure the effects of deer on the growth and establishment of woody vegetation in old fields. This experiment is located in fields A and B. There are 6 plots in each field. Each plot is 10 by 30 meters, with the long axis perpendicular to the field/woods margin. Plots within a field are spaced at least 5 meters apart. Approximately 5 meters of the 30 meters length extends into the woods, the remaining 25 meters extend out into the field. Each plot is divided into twelve, 5 by 5 meter sections. Six quadrats were placed within each exclosure in each 5 meters of length. Plots are located randomly within each of those blocks. To assign locations randomly a grid was set up from 0 - 4 along the length and 0 - 9 along the width of each plot and random numbers were drawn in pairs, one from each of the random distributions. The plots were marked with rebar. Three plots in each field are fenced with poultry netting, approximately 2 meters high, to exclude deer.
Plant species percent cover data:Biodiversity: A field test of biofuel production and ground-water quality
Bioenergy could be an important part of the solution to the projected climate problems of the future, and in addition could provide auxiliary ecological services. The project described here aims to parameterize expected benefits of diverse prairie biofuel plantations for groundwater quality, and also to further evaluate its biofuel potential. This project, done in cooperation with the USGS, grows out of purely scientific discoveries in other Cedar Creek experiments. We know that diverse prairie systems are better able to retain inorganic nitrogen than monoculture systems (e.g., Dijkstra etal. 2007). However, nitrogen is just one pollutant of many being delivered to surface-water and ground-water from agricultural systems. There are a number of others including phosphorus, pesticides, and veterinary pharmaceuticals. This fact combined with the rising demand for corn grain ethanol could lead to further declines in the water quality of agricultural regions in the United States. Perennial vegetative buffers, in particular diverse prairies and/or hay (CRP), are proposed solutions. The vegetation in such buffers can be used for biofuel and simultaneously appear to be attenuate leaching of agricultural compounds through the unsaturated zone to groundwater. This 3-year cooperative USGS and UMN study will (1) examine the ability of prairies and hay (CRP) to attenuate leaching of agricultural compounds to ground-water (2) compare biofuel production of four cropping systems: diverse prairie, hay (CRP), corn grown with chemical fertilizer, and corn grown with a combination of manure and chemical fertilizer, (3) provide for future investigations into microbial antibiotic resistance and (4) provide a better understanding of the unsaturated zone hydrology and shallow groundwater recharge at Cedar Creek. The project will take place in the E120 field.
PIC: a data reduction algorithm for integral field spectrographs / data and reductions
<p>This zip file contains the data and reductions presented in the paper "PIC: a data reduction algorithm for integral field spectrographs"</p>
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.