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544 results for “ammonium”

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edi56/100

Dissolved inorganic nutrients including 5 macro nutrients: silicate, phosphate, nitrate, nitrite, and ammonium from water column bottle samples collected between October and April at Palmer Station, 1991 - 2025.

The inorganic plant macronutrients dissolved phosphate, silicate, nitrate, nitrite and ammonium are the major sources of nutrition for phytoplankton growth in seawater (with sunlight and inorganic carbon). Macronutrient distributions reflect the large-scale circulation patterns in the oceans and are useful properties to delineate water masses. Dissolved inorganic nutrients samples are typically collected in every Niskin bottle sample collected at and near Palmer Station, Anvers Island, Antarctica on the Western Antarctic Peninsula. Water samples are collected throughout the water column at stations within the Palmer LTER region (primarily B and E, to 50m and 65m respectively). Beginning in the 2020-2021 season, Station B is no longer sampled. In Antarctic waters, dissolved inorganic macronutrients are seldom depleted to limiting concentrations except during heavy prolonged phytoplankton blooms. This is due to the fact that phytoplankton growth is more often limited by light or iron, and to the short growing season. Water samples are analyzed for dissolved nutrients with recognized standard oceanographic protocols for nutrient autoanalyzers (continuous flow analyzers).

openCC (other)Jan 2026View details →
edi56/100

Dissolved inorganic nutrients including 5 macro nutrients: silicate, phosphate, nitrate, nitrite, and ammonium from water column bottle samples collected during annual cruise along western Antarctic Peninsula, 1991 - 2024.

The inorganic plant macronutrients dissolved phosphate, silicate, nitrate, nitrite and ammonium are the major sources of nutrition for phytoplankton growth in seawater (with sunlight and inorganic carbon). Macronutrient distributions reflect the large-scale circulation patterns in the oceans and are useful properties to delineate water masses. Dissolved inorganic nutrients samples are typically collected in every CTD/Rosette cast performed on the annual LTER cruises along the western Antarctic Peninsula. In Antarctic waters, dissolved inorganic macronutrients are seldom depleted to limiting concentrations except during heavy prolonged phytoplankton blooms. This is due to the fact that phytoplankton growth is more often limited by light or iron, and to the short growing season. Water samples pre-filtered through 47mm GF/F filters upon collection and samples frozen until analysis. Water samples are analyzed for dissolved nutrients with recognized standard oceanographic protocols for nutrient autoanalyzers (continuous flow analyzers).

openCC (other)Jan 2026View details →
edi52/100

Salt River Wetlands denitrification rate, dissimilatory nitrate reduction to ammonium rate, dissolved organic carbon concentration in June 2016 as well as soil porosity and bulk density

Raw and derived data used to calculate denitrification and dissimilatory nitrate to ammonium (DNRA) from push-pull experiments with added isotopically labelled nitrate. Experiments were conducted in 2016 in the Salt River Accidental Wetlands in three different patch types: Unvegetated, dominated by Ludwigia peploides, and dominated by Typha species (T. domingensis and T. latifolia). Data include start and end of incubation concentration of nitrate, ammonium, atom percent 15N in ammonium, dissolved organic carbon, excess mass 29-N2, and excess mass 30-N2. Soil data was collected from the same patch types including soil moisture, porosity, and bulk density.

openCC0Dec 2021View details →
edi52/100

15N (Nitrate and Ammonium) Uptake by Spartina Alterniflora Sourced from Plum Island Estuary, MA and North Inlet, SC

15N uptake measurements were taken from Spartina alterniflora plants grown from seeds originating from six march locations in PLUM Island Estuary (PIE) and North Inlet, SC. All sites were Spartina alterniflora dominated marsh. 15N uptake was measured after 60 minutes in Nitrate, Ammonium, or control treatments. Seeds were collected in Fall 2022, reared Winter-Summer 2023, and uptake measured in Summer 2023.

openCC (other)Jan 2026View details →
zenodo48/100

Sublimation and infrared spectral properties of ammonium cyanide

<p>Data from</p> <p>Perry A. Gerakines, Yukiko Y. Yarnall, Reggie L. Hudson,<br>Sublimation and infrared spectral properties of ammonium cyanide,<br>Icarus,<br>Volume 413,<br>2024,<br>116007,<br>ISSN 0019-1035,<br>https://doi.org/10.1016/j.icarus.2024.116007.<br>(https://www.sciencedirect.com/science/article/pii/S0019103524000654)<br>Abstract: The ammonium ion (NH4+) has been suggested to be present in interstellar ices and has been observed on the surfaces of planetary bodies using infrared (IR) spectroscopy as the primary means of identification. Evidence for several ammonium salts has also been found in the dust and surface ices of comet 67P/Churyumov-Gerasimenko. Here we present a laboratory study of ammonium cyanide (NH4CN) and report on several properties of this compound, measured with higher accuracy than in previous reports, including its IR band strengths and optical constants for use in quantifying its abundance in interstellar and planetary ices. We also report the first measurements since 1882 of NH4CN vapor pressures, sublimation fluxes, and sublimation enthalpy measured at temperatures relevant to subliming cometary ices (134&ndash;155 K). The density and refractive index of NH4CN at 125 K and the sublimation enthalpy and vapor pressures of NH3 at ~100 K are also reported.</p> <p><br>Keywords: Ices; IR spectroscopy; Comets; Infrared observations</p> <p>This work was funded by the NASA Astrophysics Research and Analysis (APRA) and Planetary Data&nbsp;Archiving, Restoration, and Tools (PDART) Programs, as well as NASA's&nbsp;Planetary Science Division Internal Scientist Funding Program through&nbsp;the Fundamental Laboratory Research (FLaRe) work package at the&nbsp;NASA Goddard Space Flight Center.</p>

opencc-by-4.0Mar 2024View details →
zenodo44/100

Supplementary data for "Heterometallic perovskite-type metal-organic framework with an ammonium cation: structure, phonons, and optical response"

<p>Optimised structures of [NH<sub>4</sub>][Na<sub>0.5</sub>M<sub>0.5</sub>(COOH)<sub>3</sub>]&nbsp;(M = Al, Cr)</p> <p>Phonon output for&nbsp;[NH<sub>4</sub>][Na<sub>0.5</sub>Cr<sub>0.5</sub>(COOH)<sub>3</sub>]</p> <p>Gif of the&nbsp;T&rsquo;(NH<sub>4</sub><sup>+</sup>) mode (no. 23). The c-axis is the vertical direction.</p> <p>For further information please see the associated publication.</p>

opencc-by-4.0Jun 2018View details →
zenodo44/100

Thermal decomposition data of uranium containing microspheres produced via internal gelation and ammonium diuranate powder

<p>A combination of simultaneous thermal analysis, evolved gas analysis and non-ambient XRD techniques was used to characterise and investigate the thermal decomposition behaviour in the NH<sub>3</sub> &minus; UO<sub>3</sub> &minus; H<sub>2</sub>O class of materials.</p> <p>One compound was prepared according to a typical ammonium diuranate precipitation reaction, and could be identified as 3UO<sub>3</sub>&middot;NH<sub>3</sub>&middot;5H<sub>2</sub>O. Microspheres prepared by the sol-gel method via internal gelation were associated to the composition 3UO<sub>3</sub>&middot;2NH<sub>3</sub>&middot;4H<sub>2</sub>O under the specified conditions.</p> <p>The products were analysed using the techniques listed below, the resulting data are part of this dataset.</p> <ul> <li>TGA, combined with EGA-MS (<em>T<sub>max</sub></em> = 1300 &deg;C, heating rate = 2 &deg;C/min)</li> <li>TG-DSC, combined with EGA-MS (<em>T<sub>max</sub></em> = 1300 &deg;C, heating rate = 10 &deg;C/min)</li> <li>ambient XRD (dried products after synthesis)</li> <li><em>in-situ</em> high temperature XRD (including initial and final scans, taken at 35 &deg;C) <ul> <li><em>T<sub>max</sub></em> for 3UO<sub>3</sub>&middot;NH<sub>3</sub>&middot;5H<sub>2</sub>O = 1300 &deg;C; <em>T<sub>max</sub></em> for 3UO<sub>3</sub>&middot;2NH<sub>3</sub>&middot;4H<sub>2</sub>O = 650 &deg;C</li> <li>Samples measured directly on a Pt/Rh heating strip (Pt/Rh phase visible in patterns, blank scan included)</li> </ul> </li> </ul>

opencc-by-nc-sa-4.0Jul 2019View details →
zenodo44/100

Data for: Klein et al., Viscosity of aqueous ammonium nitrate--organic particles: Equilibrium partitioning may be a reasonable assumption for most tropospheric conditions, egusphere-2024-1459

<p><strong>Experimental data </strong></p> <p>This folder contains the experimental and modelled data to the figures shown in the main manuscript and Appendix.</p> <p>Figure 3B AIOMFAC-VISC (AIOMFAC-VISC modelling of sucrose)</p> <p>Figure 3B Experimental (Viscosity measurements of sucrose)</p> <p>Figure 4 (Viscosity measurements of ammonium nitrate - sucrose - water mixtures)</p> <p>Figure 5 A and C (Viscosity estimations of ammonium nitrate - sucrose - water mixtures using mixing rules)</p> <p>Figure 5 B and D (Viscosity estimations of ammonium nitrate - sucrose - water mixtures using AIOMFAC-VISC)</p> <p>Figure 6 (Viscosity estimations of inorganic - sucrose - water mixtures using mixing rules)</p> <p>Figure 7 (Mixing times for ammonium nitrate - sucrose - water and Toluene SOA - sucrose - water aerosol particles for varies cities)&nbsp;</p> <p>Figure A2 (Viscosity estimations of ammonium nitrate - sucrose - water mixtures using a mass fraction based mixing rules)</p>

opencc-by-4.0May 2024View details →
zenodo44/100

Dataset: Post-treatment of high-rate activated sludge effluent via zeolite adsorption and recovery of ammonium-nitrogen

<p>Dataset used to write journal article (doi:10.1016/j.biortech.2024.130837) covering the post-treatment of high-rate activated sludge effluent via zeolite adsorption and recovery of ammonium-nitrogen to produce potential alternative fertilising products. The data included is data gathered from column experiments (for breakthrough modelling and to compare different N recovery methods). Metal and cation content results for the treated wastewater and adsorption outputs is also included</p>

opencc-by-4.0Oct 2024View details →
edi44/100

Nitrogen cycling and metabolic rates of aquacultured and wild Acropora coral from Guam in response to ammonium loading rates during 2020-2022

Rates from aquacultured corals and coral fragments collected in Guam in response to ammonium loading. These data are from two separate experiments, one using aquacultured corals and artificial seawater and light. The second was done with wild collected Acropora pistillata from two reef sites in Guam. The first site was West Hagåtña Bay (N13.479650, E144.741750; N13.479833, E144.741733) which had more nearby urban influences and was near the sewage outfall for the city (Redding et al. 2013). The second site was Luminao Reef (N13.4652417, E144.6477483; N13.465467, E144.648050) which was a more isolated reef on the seaward side of the breakwater for Guam’s major port. We measured respiration, gross primary production, 15N ammonium uptake to corals, related nitrogen cycling fluxes in the tanks (reminerization, net uptake, nitrification).

openCC (other)May 2024View details →
edi44/100

Effects of microarthropod exclusion and water amendments on fluffgrass rhizosphere ammonium (NH4) at the Jornada Basin LTER, 1986-1987

This data package contains data on nitrogen availability (as ammonium, NH4+), measured with ion exchange resin bags, in fluffgrass (Dasyochloa pulchella) rhizosphere soil from 1986-1987. This study was conducted at the Chihuahuan Desert Rangeland Research Center to test how watering, and changing densities of soil microarthropods and nematodes, impacts fluffgrass growth and nutrient cycling. An ion exchange resin bag technique (Binkley 1984, Lajtha 1988) was used to determine ammonium availability. Twenty 6 x 6 m plots were established with a 3 m buffer between plots. Five plots were randomly assigned to one of four treatments:1) Chlordane (to exclude microarthropods), 2) Chlordane and water, 3) Water, and 4) Control. Two cation exchange bags were placed in the rhizosphere of a fluffgrass plant in each plot. Bags were left in the field 3 months, collected, brought to the lab and analyzed for available ammonium (NH4+) using a salicylate procedure. The data table contains bag collection date, treatment, and NH4+ (mg/kg) concentration. This study is complete.

openCC (other)Apr 2020View details →
edi44/100

Nitrate, ammonium, and water content of mesquite root tube soil from three habitats at the Jornada Basin LTER site, 1987

This data package contains data on measured root tube soil nutrients from soil cores collected under mesquite (Prosopis glandulosa)at three habitat types of the Jornada Experimental Range and New Mexico State University College Ranch. These habitat types include: 1)playa, 2)dunes, and (4)grassland. Soil core samples were collected in 1987 by hand-augering a reference core and a root tube core. Subsamples were analyzed for nitrate, ammonium, and soil moisture contents. This data set consists of the date of collection, collection site, nitrate concentration, ammonium concentration, and percent soil moisture. Collected variables also include treatments (irradiation and nematicide) that are not well-documented at this time. Data collection was completed in 1987.

openCC (other)Nov 2020View details →
edi44/100

SBC LTER: OCEAN: Sediment porewater ammonium and urea concentrations

This data set present the results of efforts to characterize the concentrations of ammonium and (selectively) urea in pore waters of permeable, sandy sediments on the inner continental shelf of the Santa Barbara Channel, including those adjacent to major kelp beds. Samples sites included Arroyo Burro, Mission Creek, Refugio and Mohawk. A second data file include depth profiles of ammonium and urea concentrations in the water column above each sediment sampling site, which were used to discern the strength of the vertical gradients of ammonium and urea concentrations between the surficial sediments and the water column.

openCC (other)Mar 2020View details →
zenodo40/100

Data archive for: Resting cells of Skeletonema marinoi assimilate organic compounds and respire by dissimilatory nitrate reduction to ammonium in dark, anoxic conditions

<p>Data archive for: &ldquo;Resting cells of <em>Skeletonema marinoi</em> assimilate organic compounds and respire by dissimilatory nitrate reduction to ammonium in dark, anoxic conditions&rdquo; <a href="https://doi.org/10.1111/1462-2920.16625">https://doi.org/10.1111/1462-2920.16625</a></p> <p>&nbsp;</p> <p>Dataset of single cell assimilation of organic/inorganic C/N by resting cells of the marine diatom <em>Skeletonema marinoi</em> captured using secondary ion mass spectrometry (SIMS) and stable isotopic tracers. The dataset also contains POC/PON changes over time during dormancy, DNRA (<sup>15</sup>N-NH<sub>4</sub><sup>+</sup> production), denitrification (<sup>15</sup>N-N<sub>2</sub> production) and a germination assay to determine survival rate, most probable number analysis (MPN). &nbsp;</p> <p>Two strains (GF04 and R05) were incubated in dark and anoxic conditions in two different incubation experiments.</p> <p>Incubation 1: Diatoms treated with antibiotics before entering dormancy compared to a control not treated with antibiotics then given <sup>15</sup>N-NO<sub>3</sub><sup>-</sup> in dark anoxic conditions.</p> <p>Incubation 2: Diatoms treated with antibiotics given, <sup>15</sup>N &amp; <sup>13</sup>C urea, <sup>15</sup>N &amp; <sup>13</sup>C urea + <sup>14</sup>N-NO<sub>3</sub><sup>-</sup>, <sup>13</sup>C-acetate, <sup>13</sup>C-acetate + <sup>15</sup>N-NO<sub>3</sub><sup>-</sup>, or <sup>15</sup>N-NO<sub>3</sub><sup>-</sup>.</p> <p>See the main manuscript for a extensive experimental setup.</p> <p>&nbsp;</p> <p><strong>Each file is uploaded as both a .CSV and .XLSX, so that you can choose which you prefer.</strong></p> <p><strong>DNRA_and_denitrification.csv/xlsx:</strong> DRNA and denitrification depending on volume (Incubation 1)</p> <p><strong>DNRA_per_cell.csv/xlsx:</strong> DNRA per cell (Incubation 1 &amp; 2)</p> <p><strong>MPN_data.csv/xlsx:</strong> Most probable number analysis (Incubation 1 &amp; 2)</p> <p><strong>POC_PON.csv/xlsx:</strong> POC and PON per cell and volume (Incubation 1 &amp; 2)</p> <p><strong>SIMS_data.csv/xlsx:</strong> SIMS data (Incubation 1 &amp; 2)</p> <p>&nbsp;</p> <p>&nbsp;</p>

opencc-by-4.0Feb 2024View details →
zenodo40/100

Table 3 b in Description of Epistylis camprubii n. sp., a Species Highly Tolerant to Ammonium and Nitrite

<p><b>Table 3b.</b> Comparison between <i>Epistylis camprubii</i> and the other <i>Epistylis</i> species mentioned in the manuscript: characteristics of stalk, macronucleus and contractile vacuole.</p><table><tbody><tr><th>Species</th><th>Stalk width <i>in vivo</i> (&micro;m)</th><th>Stalk striation / segmentation</th><th>Macronucleus</th><th>Contractile vacuole</th><th>Data source</th></tr></tbody><tbody><tr><th><i>Epistylis camprubii</i></th><td>3.1&ndash;8.4</td><td>Longitudinally striated, occasionally transeverse segmentation</td><td>C-shaped, transversely oriented; adoral half of the body</td><td>1, adoral third of the body, on dorsal wall of vestibulum</td><td>Present manuscript</td></tr><tr><th><i>E. balatonica</i></th><td>&ndash;</td><td>Longitudinally finely striated</td><td>Horinzotal horsehoe-shaped in the middle of the body</td><td>1, in the heigh of the peristomial lip</td><td>Stiller 1971</td></tr><tr><th><i>E. chrysemydis</i></th><td>13&ndash;25</td><td>Longitudinally striated, occasionally transeverse segmentation</td><td>C-shaped, transversely oriented; adoral half of the body</td><td>1, close or in the heigh of the peristomial lips, on ventral wall of vestibulum</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. coronata</i></th><td>11&ndash;18</td><td>&ndash;</td><td>Semicircular, adoral half of the body</td><td>1, in the height of the peristomial lips, on dorsal wall of vestibulum</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. entzii</i></th><td>18</td><td>&ndash;</td><td>3/4 circular, adoral half of the body</td><td>1, in the heigh of the peristomial lip, on dorsal wall of vestibulum</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. epistyliformis</i></th><td>&ndash;</td><td>Transverse segmentation</td><td>Intenselly flattened, horsehoe-shaped</td><td>1, adoral third of the body</td><td>Stiller 1971</td></tr><tr><th><i>E. hentscheli</i></th><td>12&ndash;20, sometimes 25</td><td>Occasionally finely annulated</td><td>Semicircular, adoral half of the body</td><td>1, in the heigh of the peristomial lip, on ventral wall of vestibulum</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. plicatilis</i></th><td>7&ndash;18</td><td>Longitudinally finely striated</td><td>Semicircular, adoral half of the body</td><td>1, in the heigh of the peristomial lip, on dorsal wall of vestibulum</td><td>Foissner <i>et al.</i> 1992</td></tr><tr><th><i>E. rotans / E. procumbens</i></th><td>&ndash;</td><td>Fine longitudinally striated, transverse segmentation</td><td>Reniform to semicircular, in transverse axis and adoral half of zooid</td><td>1, at level of peristomial lip, on dorsal wall Foissner <i>et al</i>. 1999 of vestibulum</td></tr><tr><th><i>E. rotans</i></th><td>&ndash;</td><td>Longitudinally striated, transeverse segmentation</td><td>C-shaped, transversely oriented, adoral third of the body</td><td>1, located in the adoral third of the body</td><td>Curds 1969</td></tr><tr><th><i>E. thienemanni</i></th><td>&ndash;</td><td>&ndash;</td><td>Flattened ribbon-like and horsehoe-shaped, adoral third of the body</td><td>1, located in the peristomial disc, on dorsal wall of vestibulum</td><td>Stiller 1971</td></tr><tr><th><i>E. variabilis</i></th><td>Variable</td><td>&ndash;</td><td>&ndash;</td><td>1, at the level of the peristomial lip</td><td>Stiller 1971</td></tr></tbody></table>

opencc-by-4.0Dec 2016View details →
zenodo40/100

Table 3 a in Description of Epistylis camprubii n. sp., a Species Highly Tolerant to Ammonium and Nitrite

<p><b>Table 3a.</b> Comparison between <i>Epistylis camprubii</i> and the other <i>Epistylis</i> species mentioned in the manuscript: characteristics of zooid and persitome.</p><table><tbody><tr><th>Species</th><th>Body lenght <i>in vivo</i> (&micro;m)</th><th>Body width <i>in vivo</i> (&micro;m)</th><th>Zooid shape</th><th>Peristomial disc diameter <i>in vivo</i> (&micro;m)</th><th>Peristomial disc shape</th><th>Peristomial lip height <i>in vivo</i> (&micro;m)</th><th>Peristomial lip width <i>in vivo</i> (&micro;m)</th><th>Number of peristomial lips</th><th>Data source</th></tr></tbody><tbody><tr><th><i>Epistylis camprubii</i></th><td>35.3&ndash;98.1</td><td>18.0&ndash;65.2</td><td>Vase-shaped</td><td>11.2&ndash;21.3</td><td>Rounded, pointed, rarely umbilicated</td><td>5.0&ndash;10.6</td><td>16.2&ndash;31.7</td><td>1</td><td>Present manuscript</td></tr><tr><th><i>E. balatonica</i></th><td>90&ndash;100</td><td>45&ndash;55</td><td>Vase-shaped</td><td>&ndash;</td><td>&ndash;</td><td>&ndash;</td><td>&ndash;</td><td>2</td><td>Stiller 1971</td></tr><tr><th><i>E. chrysemydis</i></th><td>120&ndash;220</td><td>60&ndash;110</td><td>Vase-shaped</td><td>&ndash;</td><td>Umbilicated</td><td>&ndash;</td><td>50&ndash;80</td><td>2</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. coronata</i></th><td>70&ndash;120</td><td>&ndash;</td><td>Vase-shaped</td><td>&ndash;</td><td>Slightly umbilicated and oblique</td><td>&ndash;</td><td>32&ndash;65</td><td>1</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. entzii</i></th><td>125&ndash;190</td><td>80</td><td>Cylindrical</td><td>&ndash;</td><td>Convex, slightly oblique</td><td>&ndash;</td><td>&ndash;</td><td>1</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. epistyliformis</i></th><td>43&ndash;62</td><td>20&ndash;27</td><td>Vase-shaped</td><td>&ndash;</td><td>Convex, sometimes &ndash; conical</td><td>&ndash;</td><td>1</td><td>Stiller 1971</td></tr><tr><th><i>E. hentscheli</i></th><td>110&ndash;170</td><td>38&ndash;60</td><td>Asymmetric and bell-shaped, narrowed down to the stem</td><td>&ndash;</td><td>Convex, slightly oblique</td><td>&ndash;</td><td>&ndash;</td><td>1</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. plicatilis</i></th><td>90&ndash;160</td><td>25&ndash;50</td><td>Funnel-shaped</td><td>&ndash;</td><td>Not umbilicated</td><td>&ndash;</td><td>36&ndash;60</td><td>1</td><td>Foissner <i>et al</i>. 1992</td></tr><tr><th><i>E. rotans / E. procumbens</i></th><td>60&ndash;140</td><td>2&ndash;2&frac12; times as long as wide</td><td>Irregular (sigmoidal &ndash; shape, bent at right</td><td>Flat or slightly convex, slightly</td><td>&ndash;</td><td>&ndash;</td><td>1</td><td>Foissner <i>et al.</i> 1999</td></tr><tr><th></th><td></td><td></td><td>angles, slightly tilted backwards)</td><td>oblique</td><td></td><td></td><td></td><td></td></tr><tr><th><i>E. rotans</i></th><td>70&ndash;100</td><td>&ndash;</td><td>Vase-shaped</td><td>&ndash;</td><td>Arched</td><td>&ndash;</td><td>&ndash;</td><td>1</td><td>Curds 1969</td></tr><tr><th><i>E. thienemanni</i></th><td>67&ndash;120</td><td>&ndash;</td><td>Vase-shaped</td><td>&ndash;</td><td>Conical</td><td>&ndash;</td><td>&ndash;</td><td>1</td><td>Stiller 1971</td></tr><tr><th><i>E. variabilis</i></th><td>50&ndash;100</td><td>&ndash;</td><td>Funnel-shaped</td><td>&ndash;</td><td>Slightly convex and obliquely protuberant</td><td>&ndash;</td><td>&ndash;</td><td>1</td><td>Stiller 1971</td></tr></tbody></table>

opencc-by-4.0Dec 2016View details →
zenodo40/100

Supplementary Datasets for "Oceanic enrichment of ammonium and its impacts on phytoplankton community composition under a high-emissions scenario"

<p>These are the four supplementary datasets used in the analysis and work presented in the publication&nbsp;</p> <p><strong><span>Oceanic enrichment of ammonium and its impacts on phytoplankton community composition under a high-emissions scenario</span></strong></p> <p>&nbsp;</p>

opencc-by-4.0Nov 2024View details →
zenodo40/100

Derived daily timeseries of weather, soil moisture and temperature, flow and nitrogen species (nitrate and nitrite, ammonium) concentrations data for the North Wyke Farm Platform National Biosciences Research Infrastructure, England

<p>For a selection of catchments from the North Wyke Farm Platform in southwest England, where land use conversions have been introduced, daily time series data covering weather conditions (minimum temperature, maximum temperature, total rainfall, wind speed and solar radiation), near-surface soil status (moisture content and temperature), flow and concentrations of key nitrogen species (nitrate and nitrite, ammonium) have been filtered based on attached data quality tags . The datasets run between 2013 and March 2024. For the main climate variables, data gaps were infilled with preceding- and following-on daily data, observations from a nearby weather station or existing national datasets to generate a continuous data series for modelling. For the other data series, annual and seasonal summary statistics on data coverage are provided. Information on significant field events, such as ploughing, drilling and harvest, fertiliser applications and manure spreading were also tabulated.</p>

opencc-by-4.0Oct 2024View details →
zenodo40/100

Porewater concentrations of nitrate, nitrite, ammonium, manganese, and iron in sediments from the Atacama and Kermadec Trench regions

<p>The file presents data collected during&nbsp;cruises on&nbsp;<em>RV&nbsp;</em>Tangaroa<em>&nbsp;</em>(TAN1711, 2017) to the Kermadec Trench and&nbsp;<em>RV</em>&nbsp;Sonne (SO261, 2018) to the Atacama Trench. Sample collection and analyses are described, and results are discussed in Thamdrup, B. et al. Anammox bacteria drive fixed nitrogen loss in hadal trench sediments<strong>.&nbsp;</strong>Proc. Natl. Acad. Sci. USA, in press, doi:&nbsp;10.1073/pnas.2104529118.</p>

opencc-by-4.0Oct 2021View details →
zenodo40/100

Dataset: Development and optimization of a bioelectrochemical system for ammonium recovery from wastewater as fertilizer

<p>Dataset of Development and optimization of a bioelectrochemical system for ammonium recovery from wastewater as fertilizer</p> <p><a href="https://doi.org/10.1016/j.clet.2021.100142">https://doi.org/10.1016/j.clet.2021.100142</a></p> <p><a href="https://www.sciencedirect.com/journal/cleaner-engineering-and-technology">Cleaner Engineering and Technology</a> <a href="https://www.sciencedirect.com/journal/cleaner-engineering-and-technology/vol/4/suppl/C">Volume 4</a>, October 2021, 100142</p>

opencc-by-4.0Jul 2022View details →

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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.

Compare curated 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.

allen-brain-atlas
neuroscienceopenDocumentation, web resources, and API references are available online.
Last verified 2026-04-30Open record

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.

abode-home-cage
behavioral-neuroscienceopenThe DataShare record exposes download links for annotations, documentation, license text, and the zipped per-snippet data directory.
Last verified 2026-04-30Open record

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.

dandi-nwb
electrophysiologyopenPublished Dandiset metadata and archive endpoints are available through the production DANDI API.
Last verified 2026-04-30Open record

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.

ibl
behavioral-neuroscienceopenPublic sessions can be searched and loaded from the IBL public data server through ONE.
Last verified 2026-04-29Open record

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.

openneuro
neuroscienceopenPublished datasets are available on demand over the internet.
Last verified 2026-04-29Open record