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739 results for “data loss”
Data and code for Recent observations of Thwaites Glacier, West Antarctica are consistent with high rates of loss in next 50 years
<p><span>This repository contains the code and input files needed for running the MITgcm and ISSM experiments in this manuscript, and the relevant outputs from the experiments.</span></p> <p><span>1. STREAMICE</span></p> <p><span>the STREAMICE folder contains the following subfolders:</span></p> <p><span>code: contains all MITgcm source files for calibration experiments that are not included in the MITgcm repository</span></p> <p><span>code_proj: similar to code/ but for projection experiments</span></p> <p><span>model_input: contains subdirectories containing binary inputs and parameter files for all experiments in the manuscript</span></p> <p><span>model_output: output from each projection experiment is contained in a .mat file with the following arrays:</span></p> <ul> <li><span> X, Y: x-and y-coordinates in WGS 84 / Antarctic Polar Stereographic (EPSG:3031)</span></li> <li><span> BED: bed elevation (m)</span></li> <li><span> BETA: \beta described in the manuscript (units: Pa^(1/2) (m/a)^{-1/6})</span></li> <li><span> BGLEN: \overline{B} described in the manuscript (units: Pa^(1/2) a^{-1/6})</span></li> <li><span> SURF: ice surface elevation (m)</span></li> <li><span> THICK: ice thickness (m)</span></li> <li><span> THICK0: initial ice thickness (m)</span></li> <li><span> VX: x-velocity (m/a)</span></li> <li><span> VY: y-velocity (m/a)</span></li> <li><span> times:<span> </span>time in years after 2004</span></li> </ul> <p><span>checkpoint 68y of the MITgcm source code (mitgcm.org) was used for this study.</span></p> <p><span>m1qn3 (https://who.rocq.inria.fr/Jean-Charles.Gilbert/modulopt/optimization-routines/m1qn3/m1qn3.html) was used for optimisation.</span></p> <p><span>details of how to compile and run the forward and adjoint STREAMICE code can be found at https://mitgcm.readthedocs.io/en/latest/</span></p> <p><span>-------------------------------------------</span></p> <p><span>2. ISSM</span></p> <p><span>runme.m contains all ISSM instructions to run the experiments.</span></p> <p><span>output/ contains mat files for all experiments, with array descriptions as above.</span></p> <p><span>ISSM source and documentation can be found at https://issm.jpl.nasa.gov/.</span></p>
Spatio-temporal analysis of remotely sensed forest loss data in the Cordillera Administrative Region, Philippines
<p>The Cordillera Administrative Region (CAR) in the Philippines is among the last forest frontiers in the country and is also home to 13 major watersheds in Northern Luzon that supply irrigation and hydroelectricity to other regions. However, it is faced with the deterioration of the quality of its watersheds due to forest loss driven mainly by agricultural expansion and illegal logging. Thus, this study was conducted to analyze the spatial and temporal patterns of forest loss that could serve as a basis for policy decisions. Also, this paper determined the strength of relationships using Pearson's correlation coefficient (<i>r</i>) between forest loss and seven independent variables, which includes forest cover, agricultural areas, built-up, road network, and socio-economic data. This study utilized the Hansen Global Forest Change (HGFC), a Landsat-derived dataset from 2001 to 2019. Results revealed that 70,925 hectares (ha) of forest loss were detected with an annual deforestation rate of 3,744 ha/year across the region. Based on the validation, the accuracy of the HGFC data is 72%, but great caution should be observed when using the data with less than 0.2 ha due to very low accuracy. On a region-wide analysis, only the forest cover had a strong association with the forest loss with a computed <i>r-value</i> of 0.78. Conversely, on a provincial level, the explanatory variables had a strong to moderately strong correlation with deforestation. Hence, immediate, science-based, and sustained regional and multi-stakeholder efforts are necessary to conserve and protect the remaining forest cover in the region.</p>
Data files for: Hazardous loss of genetic diversity through selective sweeps in asexual populations
<p>With the two-fold cost of sex, derived asexual organisms have an immediate reproductive advantage over their sexual sisters. Yet the "twiggy'' phylogenetic distribution of asexual lineages implies that they go extinct relatively quickly over evolutionary time. Meanwhile, bacteria and archaea have persisted for billions of years without requiring sexual reproduction. A simple explanation for this difference is that prokaryotes have very large population sizes that are not subject to the accumulation of deleterious mutations, but this implies that drift and mutational meltdown dominate derived asexual populations. </p> <p>We explored a different hazard, quantifying the degree to which genetic variation is lost in asexual populations experiencing selective sweeps. Even though large populations generate diversity by mutation during sweeps, we find that populations that are safe from mutational meltdown may still be reduced to dangerous effective population sizes by sweeps. Thus, ironically, adaptation itself reduces further adaptive potential and may predispose asexual populations to extinction. Our data give results for the probability of mutational meltdown across various population sizes, the critical population size required to avoid meltdown, and the effect of selective sweeps on heterozygosity. Analytical predictions are confirmed by simulation.</p> <p>We also derive a simple approximation for the effective population size after a hard sweep, and quantify the impact of recent sweeps on evolutionary rescue. These factors may help to explain the phylogenetic twigginess of asexuals, the maintenance of sex and recombination, and the evolutionary persistence of prokaryotes.</p>
Data from: Loss of fungal symbionts at the arid limit of the distribution range in a native Patagonian grass – resource ecophysiological relations
<p>1. Crucial to our understanding of plant ecology is the consideration of the eco-physiological responses and constraints of plant-fungal symbioses throughout the native distribution range of their host.</p> <p>2. We examined key eco-physiological roles of two co-occurring fungal symbionts [Epichloë endophytes and arbuscular mycorrhizal fungi (AMF)] in the endemic grass Hordeum comosum across a wide bioclimatic gradient and contrasting grazing severity. We sampled H. comosum plants along four humid-to-arid transects in Patagonia, Argentina, covering its entire distribution range and determined Epichloë presence, AMF root colonization, nitrogen and phosphorus concentration, intrinsic water use-efficiency (iWUE, the ratio of photosynthesis to stomatal conductance) and 18O-enrichment of cellulose in shoots.</p> <p>3. Root colonization by AMF increased with Epichloë-presence. All plants hosted Epichloë in the humid range of the gradient, but symbioses occurrence decreased towards arid sites which also displayed severe grazing symptoms at site level.</p> <p>4. Symbiosis with Epichloë correlated positively with shoot nitrogen concentration in the centre of the distribution range, and with shoot phosphorus concentration across the entire distribution range.</p> <p>5. The site-level relationship of AMF colonization with 18O-enrichment and iWUE suggested that mycorrhiza boosted stomatal conductance in humid environments but curbed it in arid environments.</p> <p>6. While the interpretation of interactions and potential causalities from observational studies should be done with caution, this study demonstrates distinct correlations between plant-fungal symbiont associations and key resource parameters (phosphorus, nitrogen, and iWUE vs 18O-enrichment). Such correlations may suggest particular functional roles for these symbionts in the ecology of their host plant.</p>
Data From: Antibiotic treatment ameliorates the impact of stony coral tissue loss disease (SCTLD) on coral communities
<p class="MsoNormal"><span>Stony coral tissue loss disease has spread widely in the Caribbean and causes substantial changes to coral community composition because of its broad host range and high fatality rate. To reduce SCTLD impacts, intervention programs throughout the region have divers treating corals with antibiotics. We assessed the effect of antibiotic treatment in the British Virgin Islands by comparing coral communities at 13 treated sites to those at 13 untreated sites. The prevalence of white syndromes (assumed to be primarily SCTLD), the severity of white syndrome lesions, partial colony mortality and complete colony mortality all showed a pattern consistent with benefits of treatment: they were reduced at treated sites but only for species of medium- and high-susceptibility to SCTLD. In contrast, the prevalence and severity of lesions from other diseases, and other causes of tissue loss, were all unrelated to treatment. </span>Re-ordering of rank abundance at the community-level was also consistent with a positive effect of treatment because rare, highly SCTLD-susceptible species increased slightly in relative cover at treated sites. Although there was limited statistical support for these responses individually, collectively the overall pattern of results indicates a modest beneficial effect of the intervention program. <span>Diver-based intervention programs using antibiotics are thus a viable part of management plans for STLD at the epidemic stage.</span></p>
Extended Data Fig. 5 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Extended Data Fig. 5 | Comparisons of hand morphology among Scansoriopterygidae. a–c, Line drawings of the hands of Ambopteryx (a), Epidendrosaurus (b) and Yi (c). Scale bars, 10 mm (a, b), 20 mm (c).
Extended Data Fig. 4 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Extended Data Fig. 4 | Forelimb comparisons between Ambopteryx and Yi. a, Left forelimb of Ambopteryx (IVPP V24192). b–d, Left forelimb (b), right humerus (c) and the right styliform element (d) of Yi (STM 31-2). The proximal margins of the humeri are marked in white dashed lines to show the differences between these two taxa. Abbreviations as in Figs. 1, 2, except for: st, styliform element. Scale bars, 10 mm (a), 20 mm (b–d).
Extended Data Fig. 3 in A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs
Extended Data Fig. 3 | Anatomy of Ambopteryx, IVPP V24192. a–d, Interpretative drawings of the neck and pectoral girdle (a), caudal vertebrae and pygostyle (b), left forelimb (c) and pelvis and left hindlimb (d). Abbreviations as in Figs. 1, 2, except for: ca, caudal vertebrae; cm, calcaneum; de, deltopectoral crest of humerus; do, dorsal vertebrae; I–III, metacarpals I–III; ip, iliac peduncle of ilium; mtII–IV, metatarsals II–IV; p1–4, pedal digits I to IV; and st, styliform element. Scale bars, 10 mm (a–d).
Data from: Experimental insect suppression causes loss of induced, but not constitutive, resistance in Solanum carolinense
Spatiotemporal variation in herbivory is a major driver of intraspecific variation in plant defense. Comparatively little is known, however, about how changes in herbivory regime affect the balance of constitutive and induced resistance, which are often considered alternative defensive strategies. Here, we investigated how nearly a decade of insect herbivore suppression affected constitutive and induced resistance in horsenettle (Solanum carolinense), a widespread herbaceous perennial. We allowed replicated horsenettle populations to respond to the presence or absence of herbivores by applying insecticide to all plants in half of 16 field plots. Horsenettle density rapidly increased in response to insecticide treatment, and this effect persisted for at least four years after the cessation of herbivore suppression. We subsequently grew half-sibling families from seeds collected during and shortly after insecticide treatment in a common garden and found strong effects of insect suppression on induced resistance. Feeding trials in field mesocosms with false Colorado potato beetles (Leptinotarsa juncta), a common specialist herbivore, revealed that multi-year herbivore suppression drove rapid attenuation of induced resistance: offspring of plants from insect-suppression plots exhibited a near-complete loss of induced resistance to beetles, while those from control plots incurred ~70% less damage after experimental induction. Plants from insect-suppression plots also had ~40% greater constitutive resistance than those from control plots, although this difference was not statistically significant. We nonetheless detected a strong trade-off between constitutive and induced resistance across families. In contrast, the constitutive expression of trypsin inhibitors (TI), an important chemical defense trait in horsenettle, was reduced by 20% in the offspring of plants from insect-suppression plots relative to those from control plots. However, TIs were induced to an equal extent whether or not insect herbivores had been historically suppressed. While several defense and performance traits (prickle density, TI concentration, resistance against false Colorado potato beetles and flea beetles, biomass, and seed mass) varied markedly across families, no traits exhibited significant pairwise correlations. Overall, our results indicate that, while the divergent responses of multiple defense traits to insect suppression led to comparatively small changes in overall constitutive resistance, they significantly reduced induced resistance against false Colorado potato beetle.
Data for: Dark matters – contrasting responses of stream biofilm to browning and loss of riparian shading
<p><span>Concentrations of terrestrial-derived dissolved organic carbon (DOC) in freshwater ecosystems have increased consistently, causing freshwater browning. The mechanisms behind browning are complex, but in forestry-intensive regions browning is accelerated by land drainage. Forestry actions in streamside riparian forests alter canopy shading, which together with browning is expected to exert a complex and largely unpredictable control over key ecosystem functions. We conducted a stream mesocosm experiment with three levels of browning (ambient vs. moderate vs. high, with 2.7 and 5.5-fold increase, respectively, in absorbance) crossed with two levels of riparian shading (70% light reduction vs. open canopy) to explore the individual and combined effects of browning and loss of shading on the quantity (algal biomass) and nutritional quality (polyunsaturated fatty acid and sterol content) of the periphytic biofilm. We also conducted a field survey of differently colored (4.7 to 26.2 mg DOC L<sup>-1</sup>) streams to provide a 'reality check' for our experimental findings. Browning reduced greatly the algal biomass, suppressed the availability of essential polyunsaturated fatty acids, especially eicosapentaenoic acid (EPA), and sterols, but increased the availability of terrestrial-derived long-chain saturated fatty acids (LSAFA). In contrast, loss of shading increased primary productivity, which resulted in elevated sterol and EPA content of the biofilm. The field survey largely repeated the same pattern: biofilm nutritional quality decreased significantly with increasing DOC, as indicated particularly by a decrease of the </span><span><em><span><span>w</span></span></em>-3:</span><span><em><span><span>w</span></span></em>-6 ratio and increase in LSAFA content. Algal biomass, in contrast, was mainly controlled by dissolved inorganic nitrogen (DIN) concentration, while DOC concentration was of minor importance. The ongoing browning process is inducing a dramatic reduction in the nutritional quality of the stream biofilm. Such degradation of the major high-quality food source available for stream consumers may reduce the trophic transfer efficiency in stream ecosystems, potentially extending across the stream-forest ecotone. </span></p>
Data from: Defensible-space treatment of <114,000 ha 40 m from high-risk buildings near wildland vegetation could reduce loss in WUI wildfire disasters across Colorado's 27 million ha
<p><strong>Context </strong> </p> <p>WUI wildfire disasters are increasing, as fires are pushed by strong winds and drier fuels across landscapes and into communities. Possible disasters make maintaining and restoring landscape-scale fire in fire-adapted ecosystems difficult. Rapid action is needed to reduce building loss in WUI wildfire disasters. </p> <p><strong>Objectives </strong> </p> <p>In a Colorado case study, I used distance-based empirical modeling to refine potential risk of building loss in WUI wildfire disasters to focus risk-reduction efforts.</p> <p><strong>Methods</strong> </p> <p>New empirical modeling showed 95% of USA building loss in WUI wildfire disasters was within 100 m of wildland vegetation. I used modeling to estimate and map potential relative risk of a WUI wildfire disaster for each of 2,185,953 buildings in Colorado.</p> <p><strong>Results </strong> </p> <p>High-risk buildings were 241,375 or 11% of total buildings. However, the 20-40 m essential defensible space around these buildings covered only 46,767- 114,084 ha. Area within 100 m of wildland vegetation, containing these buildings, covered 475,840 ha or 1.8% of Colorado's 27 million ha. About 95% of at-risk land within 100 m of wildland vegetation is not federally owned, and WUI wildfire disasters are mostly from fires started on private land.</p> <p><strong>Conclusions</strong> </p> <p>Treating ≤114,084 ha of defensible space could leave the 27 million ha of Colorado with lower WUI wildfire disaster-risk to buildings. High risk of building loss is rarely a federal land-management problem. If the goal is rapid reduction of building loss in WUI wildfire disasters, focus resources on defensible space 20-40 m from WUI buildings within 100 m of wildland vegetation.</p>
Data from: Fine with heat, problems with water: microclimate alters water loss in a thermally adapted insular lizard
Global change, including habitat isolation and climate change, has both short- and long-term impacts on wildlife populations. For example, genetic drift and inbreeding result in genetic impoverishment in small, isolated populations, while species undergo range shifts or adaptive phenotypic change in response to shifts in environmental temperatures. In this study, we utilize a model system in which Holocene landscape changes have occurred to examine long-term effects of population isolation. To examine how isolation may constrain responses to climate change, we characterized ecophysiology across land-bridge island populations of Erhard's wall lizard Podarcis erhardii. We hypothesized that 1) small, isolated populations that are likely genetically depauperate would exhibit lower phenotypic variability; and 2) populations would be adapted to local microhabitat conditions. We compared a population at a low elevation site on the large island of Naxos with two small populations on nearby islets to determine the effects of population fragmentation. We further compared the low elevation Naxos population with two high elevation sites characterized by disparate microclimates to examine the effects of microclimate. To assess the thermal biology and ecophysiological limits of the study species we measured operative body temperatures (Te), field body temperatures (Tb), preferred temperatures (Tp), thermal tolerances (CTmax and CTmin), and evaporative water loss (EWL). Our results indicate that small, isolated populations did not exhibit thermal biology or evaporative water loss, while EWL and thermoregulatory effort varied according to microhabitat characteristics. This study integrates fine-scale measurements with environmental data to provide a holistic view of the relationships between ecophysiology, fragmentation, and microclimate. Our methods can be applied to other ectotherms to gain a better understanding of potential impacts of global change on natural populations.
Data from: The role of inhibitory dynamics in the loss and re-emergence of macropodoid tooth traits
The reversibility of phenotypic evolution is likely to be strongly influenced by the ability of underlying developmental systems to generate ancestral traits. However, few studies have quantitatively linked these developmental dynamics to traits which re-evolve. In this study we assess how changes in the inhibitory cascade, a developmental system that regulates relative tooth size in mammals, influenced the loss and reversals of the posthypocristid, a molar tooth crest, in the kangaroo superfamily Macropodoidea. We find that posthypocristid loss is linked with reduced levels of posterior molar inhibition, potentially driven by selection for lophodont, higher-crowned molar teeth. There is strong support for two posthypocristid reversals, each occurring after more than 15 million years of absence, in large-bodied species of Macropus, and two giant extinct species of short-faced sthenurine kangaroo (Procoptodon). We find that whereas primitive posthypocristid expression is linked to higher levels of posterior molar inhibition, re-emergence is tied to a relative increase in third molar size associated with increasing body mass, producing molar phenotypes similar to those in mouse where the ectodysplasin pathway is up-regulated. We argue that although shifts in the inhibitory cascade may enable re-emergence, dietary ecology may limit the frequency of phylogenetic reversal.
Data from: Automated integration of trees and traits: a case study using paired fin loss across teleost fishes
Data synthesis required for large-scale macroevolutionary studies is challenging with the current tools available for integration. Using a classic question regarding the frequency of paired fin loss in teleost fishes as a case study, we sought to create automated methods to facilitate the integration of broad-scale trait data with a sizable species-level phylogeny. Similar to the evolutionary pattern previously described for limbs, pelvic and pectoral fin reduction and loss are thought to have occurred independently multiple times in the evolution of fishes. We developed a bioinformatics pipeline to identify the presence and absence of pectoral and pelvic fins of 12,582 species. To do this, we integrated a synthetic morphological supermatrix of phenotypic data for the pectoral and pelvic fins for teleost fishes from the Phenoscape Knowledgebase (two presence/absence characters for 3,047 taxa) with a species-level tree for teleost fishes from the Open Tree of Life project (38,419 species). The integration method detailed herein harnessed a new combined approach by utilizing data based on ontological inference, as well as phylogenetic propagation, to reduce overall data loss. Using inference enabled by ontology-based annotations, missing data were reduced from 98.0% to 85.9%, and further reduced to 34.8% by phylogenetic data propagation. These methods allowed us to extend the data to an additional 11,293 species for a total of 12,582 species with trait data. The pectoral fin appears to have been independently lost in a minimum of 19 lineages and the pelvic fin in 48. Though interpretation is limited by lack of phylogenetic resolution at the species level, it appears that following loss, both pectoral and pelvic fins were regained several (3) to many (14) times respectively. Focused investigation into putative regains of the pectoral fin, all within one clade (Anguilliformes), showed that the pectoral fin was regained at least twice following loss. Overall, this study points to specific teleost clades where strategic phylogenetic resolution and genetic investigation will be necessary to understand the pattern and frequency of pectoral fin reversals.
An example dataset for Multi-modal brain tumor data completion based on reconstruction consistency loss
<p>This is part of inputs and corresponding prediction results of the method, which is proposed in "Multi-modal brain tumor data completion based on reconstruction consistency loss" . This dataset can be only used for paper review, please do not share, thanks. The struction of this dataset is as follows:</p> <p>1.There are three folders, where pred_data stores the network image outputs. test_data stores the input images. trained model include the trained model by our network.</p> <p>2.The serial number is in a one-to-one correspondence.</p> <p>3.If you want to use the trained model, please download brats18 dataset and preprocess your dataset, which can refer to <a href="https://github.com/zhangshuang317/RAGAN/">https://github.com/zhangshuang317/RAGAN/</a>.</p>
Data from: A single residue confers selective loss of sugar sensing in wrynecks
<p>Sensory receptors evolve, and changes to their response profiles can directly impact sensory perception and affect diverse behaviors, from mate choice to foraging decisions. Although receptor sensitivities can be highly contingent on changes occurring early in a lineage's evolutionary history, subsequent shifts in a species' behavior and ecology may exert selective pressure to modify and even reverse sensory receptor capabilities. Neither the extent to which sensory reversion occurs, nor the mechanisms underlying such shifts is well understood. Using receptor profiling and behavioral tests, we uncover both an early gain and an unexpected subsequent loss of sugar sensing in woodpeckers and wrynecks, members of the primarily insectivorous Picidae family of landbirds. Our analyses show that, similar to hummingbirds and songbirds, the ancestors of woodpeckers repurposed their T1R1-T1R3 savory receptor to detect sugars. Importantly, whereas woodpeckers seem to have broadly retained this ability, our experiments demonstrate that wrynecks (an enigmatic ant-eating group sister to all other woodpeckers) selectively lost sugar sensing through a novel mechanism involving a single amino acid change in the T1R3 transmembrane domain. The identification of this molecular microswitch responsible for a sensory shift in taste receptors provides an example of the molecular basis of a sensory reversion in vertebrates and offers novel insights into structure-function relationships during sensory receptor evolution.</p>
Probing pre-supernova mass loss in double-peaked Type Ibc SNe from the Zwicky Transient Facility: Data and Figures
<p>Appendix B: The lightcurve plots of the other supernovae can be found in 'individual_<a href="https://github.com/kaustavkdas/doublepeaked_Ibc/tree/main/individual%20lightcurve%20plots" target="_blank" rel="noopener noreferrer">lightcurve_plots</a>'.<br>Figure 4: The comparison plots for other SNe can be found in ''r_band_comparison_plots".<br>Appendix A, Table 10/A1: The photometry data is in "<a href="https://github.com/kaustavkdas/doublepeaked_Ibc/tree/main/photometry_tables" target="_blank" rel="noopener noreferrer">photometry_tables</a>".<br>Appendix C: The spectra plots is in "<a href="https://github.com/kaustavkdas/doublepeaked_Ibc/tree/main/spectra%20collage%20figures" target="_blank" rel="noopener noreferrer">spectra_collage_figures</a>". The spectra data table behind these figures are in "<a href="https://github.com/kaustavkdas/doublepeaked_Ibc/tree/main/spectra_data_files" target="_blank" rel="noopener noreferrer">spectra_data_files</a>"<br>Appendix D, Table 11/D1: The tables for other sources are in "<a href="https://github.com/kaustavkdas/doublepeaked_Ibc/tree/main/blackbody_tables" target="_blank" rel="noopener noreferrer">blackbody_tables</a>"</p>
Data supporting 'Assessing the Spurious Impacts of Ice-Constraining Methods on the Climate Response to Sea-Ice Loss using an Idealized Aquaplanet GCM' by Neil T Lewis et al.
<p>Data supporting Lewis et al., 2024. Assessing the Spurious Impacts of Ice-Constraining Methods on the Climate Response to Sea-Ice Loss using an Idealised Aquaplanet GCM. Submitted to Journal of Climate. </p> <p>All data is in NetCDF format. </p> <p>Output from each experiment is contained in its own folder (e.g., 'ALB.1'). For a description of each experiment, see the accompanying paper. </p> <p>Data files contain the following outputs: </p> <p>dyn_vars_daily_clim.nc contains day of year- and zonally-averaged atmospheric fields (u, v, T, etc). </p> <p>eddy_products.nc constains day of year- and zonally-averaged products of atmospheric fields (e.g., u'v'). </p> <p>ice_temp_daily.nc contains daily-averaged surface temperature and sea-ice thickness. </p> <p>toa_fluxes_clim.nc contains day of year-averaged top of atmosphere radiative fluxes (e.g., OLR). </p> <p>For the experiments NDG1.05, NDG1.1, and NDG1.2, nudge_daily_clim.nc is also included, and contains the day of year-averaged nudging heat flux applied to melt the ice. </p>
Data from Figures in "Ultralow-loss integrated photonics enables bright, narrow-band, photon-pair sources"
<p><span>The MATLAB code and data used </span><span>to produce the plots within "Ultralow-loss integrated photonics enables bright, narrow-band, photon-pair sources". </span></p>
Data and plotting code for "Probing the loss origins of ultra-smooth Si3N4 integrated photonic waveguides"
<p>Data and code used to produce the figures in "Probing the loss origins of ultra-smooth Si3N4 integrated photonic waveguides".</p>
ScienceDex guides
Understand access before you commit
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.