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10,554 results for “measurements”
PIE LTER year 2012, 5 minute and 15 minute measurements of specific conductance, water temperature in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA.
Year 2012, continuous measurements, every 5 minutes for the first deployment and 15 minutes until the end of the year, were made of conductivity, water temperature in a small headwater stream, Saw Mill Brook, Burlington, MA, draining a highly suburban catchment (72% residential). in the Ipswich River watershed.
PIE LTER year 2013, 15 minute measurements of specific conductance, water temperature in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA.
Year 2013, continuous measurements, every 15 minutes were made of conductivity, water temperature in a small headwater stream, Saw Mill Brook, Burlington, MA, draining a highly suburban catchment (72% residential) in the Ipswich River watershed.
PIE LTER year 2014, 15 minute measurements of specific conductance, water temperature in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA.
Year 2014, continuous measurements, every 15 minutes were made of conductivity, water temperature in a small headwater stream, Saw Mill Brook, Burlington, MA, draining a highly suburban catchment (72% residential) in the Ipswich River watershed.
PIE LTER year 2015, 15 minute measurements of specific conductance, water temperature in a small headwater stream draining a highly suburban catchment (72% residential), Saw Mill Brook, Burlington, MA.
Year 2015, continuous measurements, every 15 minutes were made of conductivity, water temperature in a small headwater stream, Saw Mill Brook, Burlington, MA, draining a highly suburban catchment (72% residential) in the Ipswich River watershed.
PIE LTER Year 2012, 5 minute and 15 minute measurements of conductivity, water temperature at the Parker River head of tide, Central St. Dam in Newbury, MA.
Year 2012, continuous measurements, every 5 minutes during the first deployment and 15 minutes until the end of the year, were made of conductivity, water temperature in the Parker River behind the head of tide Central St. Dam in Newbury, MA.
PIE LTER Year 2013, 15 minute measurements of conductivity, water temperature at the Parker River head of tide, Central St. Dam in Newbury, MA.
Year 2013, continuous measurements, every 15 minutes were made of conductivity, water temperature in the Parker River behind the head of tide Central St. Dam in Newbury, MA.
PIE LTER Year 2014, 15 minute measurements of conductivity, water temperature at the Parker River head of tide, Central St. Dam in Newbury, MA.
Year 2014, continuous measurements, every 15 minutes were made of conductivity, water temperature in the Parker River behind the head of tide Central St. Dam in Newbury, MA.
PIE LTER Year 2015, 15 minute measurements of conductivity, water temperature at the Parker River head of tide, Central St. Dam in Newbury, MA.
Year 2015, continuous measurements, every 15 minutes were made of conductivity, water temperature in the Parker River behind the head of tide Central St. Dam in Newbury, MA.
PIE LTER, Hach, OTT RLS measurements of water column depth at 15 minute intervals in the lower Plum Island Sound off the Ipswich Bay Yacht Club pier, Ipswich, MA, year 2018
Measurements of water column depth at 15 minute intervals in Plum Island Sound at the Ipswich Bay Yacht Club, for year 2018. OTT radar level sensor (RLS) installed September 20, 2011 out of the water under the concrete pad on the Ipswich Bay Yacht Club pier, Ipswich, MA. RLS was mounted so that continuous year round measurements can be conducted without the concern of ice flows damaging the sensor.
PIE LTER extensometer measurements of marsh bank sediment deformation, soil creep in West Creek, Rowley, MA.
Muddy banks of marsh channels experience soil creep – a viscous-like slow deformation resulting in a net downslope transport. Here we present the first field evidence of soil creep in a mesotidal salt marsh using high precision measurements of soil deformation taken with a vibrating-wire extensometer over two years.
PIE LTER, Year 2017-2018, locations, date, sediment concentration and spectral reflectance measurement methods of 40 water samples at Plum Island Sound and deep ocean, Massachusetts.
PIE LTER, Year 2017-2018, locations, date, sediment concentration and spectral reflectance measurement methods of 40 water samples at Plum Island Sound and deep ocean, Massachusetts
SBC LTER: REEF: Allometric Measurements of Giant Kelp
These data describe the allometry of 55 giant kelp plants collected monthly from three kelp forests near Santa Barbara, CA from May 2002 to June 2003. Included are values for the length and mass of each frond, distinguishing material in the water column from that found at the surface. Data on stipe diameter, number of blade nodes and blade mass are also provided for a subset of fronds. These data were used by Rassweiler et al. (2018) to develop relationships predicting the mass of giant kelp found in the water column and canopy as a function of a few measurements taken from each plant.
Point-Quarter Harvested Plant Weight Measurements to Estimate Shrub ANPP in a Chihuahuan Desert Creosote Shrubland at the Sevilleta National Wildlife Refuge, New Mexico (2007- present)
In an effort to better quantify NPP of Creosotebush in the Five-Points region, it was decided to test the Point-Quarter method against the standard 1-m2 quadrat method that has been in use since 1998. Transects were laid out across the 5 mammal trapping webs as well as across burned and unburned plots of the Mixed Shrub site (MS). Repeat measures of the same bushes are performed seasonally. Whole shrubs of various size classes are collected and sorted and weighed to develop regressions for biomass.
Ground surface elevation measurements for Surface Elevation Tables in the Brownsville Marsh on the Virginia Coast Reserve 1998
This dataset contains detailed survey information regarding suface elevation table (SET) plots located in the Phillips Creek Marsh near Nassawadox, VA. It contains specific information about the relationship of the SET center-pipe and the adjoining marsh surface relative to sea level. NOTE: These research plots are highly sensitive to disturbance and should not be approached by anyone not engaged in taking measurements.
Summer water temperature and light measurements in Hog Island Bay, VA 2011-2014
This dataset contains water temperature and crude light measurements taken every 15 minutes for locations within the seagrass set-aside area in Hog Island Bay. Measurements are made in the summer when temperature maxima are expected to occur. Only temperature data is available for 2011 and early 2012. No sampling was done in 2013.
Wave and turbidity measurements, Fowling Point, Hog Island Bay, VA, Summer 2016
Time series of turbidity, water surface elevation, wave height and period, current, and water temperature were measured at sites along a bay-to-marsh transect along the east-facing margin of Fowling Point, Hog Island Bay, VA in summer 2016. The measurements were made to characterize suspended sediment concentrations in the water inundating Fowling Point marsh during high tides and storms, as a proxy for the availability of sediment for wetland accretion. The time series includes a spring-neap cycle and a wind-driven resuspension event. The measurements were made to support marsh depositional modeling being carried out as part of an NSF-sponsored Coastal SEES research project.
Supporting data and code for: Electron-electron collision effects on ISR temperature measurements
<p>CSV files are processed simulation output from EPPIC. Read these files with eppic_csvread.m, which also reads in the Brownian collision spectra, neb_th631.mat.</p> <p>singleparticle5.m is the code used for single-particle simulations of ISR spectra</p> <p>eppic_input_deck.i is the input file used for collisional ISR runs with EPPIC, see manuscript for Github link of EPPIC.</p> <p>electrostatic_meteor_ablation_sim-master.zip contains an archive of the EPPIC code when it was run, see manuscript for a Github link for the current version of EPPIC</p>
Supporting data and code for: Millstone Hill ISR Measurements of Small Aspect Angle Spectra
<p>Main code is contained in Matlab .m files. Path dependencies may need to be fixed but there are no duplicate file names.</p> <p>acf_data_plot.m is used to plot the ACFs measured by Millstone</p> <p>acf_fitting.m is used to fit the Millstone ACFs to the Brownian theory. Calls isr_theory_fn.m to calculate Brownian ACF</p> <p>acf_fitting_plots.m plots the fitted and measured ACFs</p> <p>acf_fitting_plots_spcomp.m plots the ACFs from the single-particle simulations</p> <p>acf_fitting_plots_piccomp.m plots the ACFs from the PIC code</p> <p>sp_fit_to_brownian.m fits the single-particle simulations to Brownian theory</p> <p> </p> <p>The single particle simulations are produced by singleparticle5.m. The full ACFs are then calculated by running merge.m to combine the simulation results, gordeyev.m to calculate the electron Gordeyev integral, Ji_calc.m to calculate the ion Gordeyev integral, and finally isr_Jtoneb.m to calculate the spectra. The resulting spectra are included and labeled as 'neb_sp12_Te_Ti.mat' for the different electron and ion temperatures. The Brownian spectra for the same parameters are labeled as 'neb440_Te_Ti.mat'. The frequencies used in calculating the electron Gordeyev integrals may be needed for plotting and are labeled as 'wJe_12_Te_Ti.mat'.</p> <p> </p> <p>The data are labeled by the date, Nov_2013, Feb_2019, or Apr_2019. An appendix of 'avg' indicates the file averaged the ACFs across multiple range gates. The measured ACFs are all labeled 'acf_pos?_date_avg_fitted.h5', where pos? refers to the antenna pointing direction. The pointing directions and associated parameters are located in 'looker?_date_avg.csv'. The IRI model results for each experiment are in the files 'iri?_date_avg.m'.</p> <p> </p> <p>The spectra from PIC simulations are included as 'k*_T1150_N5e10_nz.mat', where * is an aspect angle index. The matching k* and aspect angles in degrees are {k4, 0.8}, {k6, 1.2}, {k11, 2}, {k15, 2.8}, {k20, 3.6}, {k24, 4.4}, {k28, 5}, {k29, 5.2}, {k34, 6}, {ky, 0}, {kx, 90}. The files 'neb_spPIC_fb_Te1145_Ti1145.mat' and 'neb440_Te1145_Ti1145.mat' are respectively the single-particle and Brownian spectra calculated with the same parameters as the PIC code. </p> <p>electrostatic_meteor_ablation_sim-master.zip contains an archive of the EPPIC code when it was run, see manuscript for a Github link for the current version of EPPIC</p>
Ancillary Files for Paper: Methods for Measuring Magnetic Flux Crosstalk Between Tunable Transmons
<p>These are the supplementary materials for the paper ` Methods for Measuring Magnetic Flux Crosstalk Between Tunable Transmons`.</p> <p>The analysis and plots from the paper can be recreated from the Jupyter notebook `Crosstalk Paper Plotting<br> and Analysis.ipynb`. The notebook depends on the helper functions in the python files<br> `dc_xtalk_resonator_analysis.py`, `ac_xtalk_analysis.py`, `cross_tomo_analysis.py`, `models.py`, and `utils.py`. The data is stored in<br> JSON files that are in a compressed tarball that can be extracted with the following commands:</p> <p>```bash<br> > tar xjf data.tar.bz2<br> ```</p>
Ancient Conical Sundial Measurements
<p>**ConicalSundialsMeasurements.json** describes the dimensions of the corpus and cone of ancient conical sundials with 3D-models which are cataloged in the repository of the Berlin Ancient Sundials Project (http://repository.edition-topoi.org/collection/BSDP). The dimensions were measured from the 3D-models in that collection. Besides, the database lists distances and angles of construction points (i.e., the shortest distance between the cone apex and the day curves). They were relevant to validate the geographical location for which the sundial was crafted, and derived values for the ratio between gnomon size and shadow length (g,s).</p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.