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1,018 results for “past”
Dataset: Insights on chemical and physical chloride binding in blended-cement pastes
<p>Raw and analysed results to go with the publication:</p> <p> </p> <p><strong>Insights on chemical and physical chloride binding in blended-cement pastes</strong></p> <p><strong>William Wilson<sup>a,b,*</sup>, Julien Nicolas Gonthier<sup>a</sup>, Fabien Georget<sup>a,c</sup>, Karen L. Scrivener<sup>a</sup></strong></p> <p><strong>Cement and Concrete Research, Volume 156, June 2022, 106747</strong></p> <p> </p> <p><sup>a</sup>Laboratory of Construction Materials, EPFL, 1015 Lausanne, Switzerland </p> <p><sup>b</sup>Université de Sherbrooke, Sherbrooke, QC, Canada </p> <p><sup>c</sup>Institute of Building Materials Research, RWTH Aachen, Aachen, Germany</p> <p> </p> <p>*Corresponding author: william.wilson@usherbrooke.ca</p>
Model data of White et al. (2022, Climate of the Past)
<p>This contains the scripts and model and proxy data to reproduce Figures 1, 2, 3, 4, 7, 8, and 10 in White et al. (2022, Climate of the Past).</p> <p>Abstract. Paleoclimate reconstructions have identified a period of exceptional summer and winter cooling in the North Atlantic region following the eruption of the tropical volcano Huaynaputina (Peru) in 1600 CE CE3 . A previous study based on numerical climate simulations has indicated a potential mechanism for the persistent cooling in a slowdown of the North Atlantic subpolar gyre (SPG) and consequent ocean–atmosphere feedbacks. To examine whether this mechanism could have been triggered by the Huaynaputina eruption, this study compares the simulations used in the previous study both with and without volcanic forcing and this SPG shift to reconstructions from annual proxies in natural archives and historical written records as well as contemporary historical observations of relevant climate and environmental conditions. These reconstructions and observations demonstrate patterns of cooling and sea-ice expansion consistent with, but not indicative of, an eruption trigger for the proposed SPG slowdown mechanism. The results point to possible improvements in future model–data comparison studies utilizing historical written records. Moreover, we consider historical societal impacts and adaptations associated with the reconstructed climatic and environmental<br> anomalies.</p>
Dataset in the article "Sedimentary record off the Yangtze River estuary and its response to typhoons and human activities over the past 70 years"
<p>The original data presented here is related to the article “Sedimentary record off the Yangtze River estuary and its response to typhoons and human activities over the past 70 years”</p>
Eigenmodes for flow past a cylinder
<p>Eigenmodes computed for flow past a cylinder, presented in the manuscript "Kinetic-Energy Instability of Flows With Slip Boundary Conditions" by Ingeborg Gjerde and Ridgway Scott.</p>
Distribution. Cold-temperate waters of the N Pacific, from Bonin Is (27° N, 142° E) and Ryukyu Is N to Yellow Sea, Sea ofJapan, Sea of Okhotsk, Bering Sea and Gulf of Alaska; occasionally reaching tip of Baja California, Mexico, to the S of E Pacific in winter. Except on their N summer grounds, only a few sightings in the E Pacific Ocean during the past 50 years. in Balaenidae
Distribution. Cold-temperate waters of the N Pacific, from Bonin Is (27° N, 142° E) and Ryukyu Is N to Yellow Sea, Sea ofJapan, Sea of Okhotsk, Bering Sea and Gulf of Alaska; occasionally reaching tip of Baja California, Mexico, to the S of E Pacific in winter. Except on their N summer grounds, only a few sightings in the E Pacific Ocean during the past 50 years.
Distribution. NE Madagascar, confined to the Masoala Peninsula and the region immediately N of the Bay of Antongil, the Antainambalana River appears to separate it from the Black-and-white Ruffed Lemur (V. variegata subcincta), but the W limit of the range remains unclear; it may have occurred as far N as Antalaha in the past, but this Is uncertain. in Lemuridae
Distribution. NE Madagascar, confined to the Masoala Peninsula and the region immediately N of the Bay of Antongil, the Antainambalana River appears to separate it from the Black-and-white Ruffed Lemur (V. variegata subcincta), but the W limit of the range remains unclear; it may have occurred as far N as Antalaha in the past, but this Is uncertain.
FIGURE. Important bryophyte collection sites by past collectors (adopted from Rubasinghe & Long, 2014). in Thalloid Liverworts (Marchantiopsida) of Sri Lanka
FIGURE. Important bryophyte collection sites by past collectors (adopted from Rubasinghe & Long, 2014).
Distribution. West Africa, from SE Sierra Leone and S Guinea to Ghana (extending just E of the Volta River), and in S Togo, S Benin, and S Nigeria (S bank of the River Benue just above its confluence with the Niger River in the Idah, Kogi State, and the lower Niger). There is a discontinuity in the distribution between the VoltaRiver in Ghana and the Nigerian population, and it is believed that its range was far greater in the recent past. in Cercopithecidae
Distribution. West Africa, from SE Sierra Leone and S Guinea to Ghana (extending just E of the Volta River), and in S Togo, S Benin, and S Nigeria (S bank of the River Benue just above its confluence with the Niger River in the Idah, Kogi State, and the lower Niger). There is a discontinuity in the distribution between the VoltaRiver in Ghana and the Nigerian population, and it is believed that its range was far greater in the recent past.
Data for "Uncovering basal friction in northwest Greenland using an ice flow model and observations of the past decade"
<p>Data for the main figures for "Uncovering basal friction in northwest Greenland using an ice flow model and observations of the past decade"</p>
Data from: Worldwide analysis of reef surveys sorts coral taxa by associations with recent and past heat stress
<p>Data and scripts from the publication "Worldwide analysis of reef surveys sorts coral taxa by associations with recent and past heat stress". Read the readme.pdf document for details. </p>
Supplementary data and codes for "Secular change of true polar wander over the past billion years"
<p>Python codes for analysis, supplementary tables, and measurement-level paleomagnetic data for "Secular change of true polar wander over the past billion years" published in <em>Science Advances </em>by Fu et al. [Fu et al., Sci. Adv. 8, eabo2753 (2022)].</p>
Phylogeny and systematics of Sphaeriusidae (Coleoptera: Myxophaga): minute living fossils with underestimated past and present-day diversity
<p>Complete specimen morphology data and sequences used for the analyses.</p>
3d Past project logo
Source: Objaverse 1.0 / Sketchfab
Data from: Negative legacy effects of past forest use on native plant diversity in semi-natural grasslands on ski slopes
<p>We collected this data in Sugadaira and Minenohara Kogen in 2015, and in Kazawa, and Yunomaru in 2016. It was used for our paper titled "Negative legacy effects of past forest use on native plant diversity in semi-natural grasslands on ski slopes".</p>
Data and Code for manuscript titled "Global mapping and evolution of persistent fronts in Large Marine Ecosystems over the past 40 years"
<h1>A dataset of global persistent fronts around Large Marine Ecosystems.</h1> <h2>Xing, Q., Yu, H. & Wang, H. Global mapping and evolution of persistent fronts in Large Marine Ecosystems over the past 40 years. Nat Commun 15, 4090 (2024). https://doi.org/10.1038/s41467-024-48566-w</h2>
PaSTS An Operational Dataset for Domestic Solar Thermal Systems
<p>Solar thermal systems play an important role in the decarbonization of the domestic heating sector, yet there exist no publicly available datasets of such systems. Therefore, this paper presents the PaSTS dataset, a unique collection of operational data from domestic Solar Thermal Systems (STS) manufactured by Ritter Energie and marketed under the Paradigma brand. Unlike previous research that primarily relied on simulated or unpublished experimental data, this dataset is derived from the service team at Ritter Energie, offering a realistic reflection of the challenges commonly faced in the field. This paper provides a comprehensive dataset overview, emphasizing its application in anomaly and fault detection tasks within STS and establishing it as the first dataset of its kind.</p> <p>Given the inherent complexities of fault detection in STS, we elaborate on the expert system-based fault detection mechanism currently and use and advocate for applying semi-supervised or unsupervised anomaly detection techniques tailored to the dataset's characteristics. </p>
Pacific Walker Circulation modulated millennial-scale Asian monsoon rainfall variability over past 40 kyr
Open the record for dataset details and reuse information.
data from past Euromomo publications recovered from Webarchive
<p>Data extracted from Web Archive past versions of Euromomo for the detection of amendments specially during the pandemic period. </p> <div>Since November 18, 2021, EuroMOMO data download was allowed. Specifically, the study focus on the mortality z-scores for all ages aggregated for each reporting country. We have accessed the site versions of the first day of the month since December 2021 until October 2023, downloading a total of 25 data samples.</div> <div> </div> <div>This data is the basis for a paper that has been submitted to various journals which have turned it out without review.</div>
Dataset - Impact of alkalis and shrinkage-reducing admixtures on hydration and pore structure of hardened cement pastes
<p>XRD and TGA data for cement pastes at various content of alkali and SRA at ages of 7 days to 1 year.</p>
Data from: Contextualizing the 2019–2020 Kangaroo Island Bushfires: Quantifying Landscape-Level Influences on Past Severity and Recovery with Landsat and Google Earth Engine
<p><strong>Paper Abstract:</strong></p> <p>The 2019–2020 Kangaroo Island bushfires in South Australia burned almost half of the island. To understand how to avoid future severe ‘mega-fires’ and how vegetation may recover from 2019–2020, we can utilize information from the bulk of historical fires in an area. Landsat time-series of vegetation change provide this opportunity, but there has been little analysis of large numbers of fires to build a landscape-level understanding and quantify drivers in an Australian context. In this study, we built a yearly cloud-free surface reflectance normalized burn ratio (NBR) time-series (1988–2020) using all available summer Landsat images over Kangaroo Island. Data were collected in Google Earth Engine and fitted with LandTrendr. Burn severity and post-fire recovery were quantified for 47 fires, with a new recovery metric facilitating comparison where fire frequency is high. Variables representing the current burn, fire history, vegetation structure, and topography were related to severity and yearly recovery with random forest and bivariate analysis. Results show that the 2019–2020 bushfires were the most widespread and severe, followed by 2007–2008. Vegetation recovers quickly, with NBR stabilizing ten years post-fire on average. Severity is most influenced by fire frequency, vegetation capacity and land use with more severe burns in nature conservation areas with dense vegetation and a history of frequent fires. Influence on recovery varied with time since fire, with initial (year 1–3) faster recovery observed in areas with less surviving vegetation. Later (year 6–10) recovery was most influenced by a variable representing burn year and further investigation indicates that precipitation increases in later post-fire years likely facilitated faster recovery. The relative abundance of eucalypt woodlands also has a positive influence on recovery in middle and later years. These results provide valuable information to land managers on Kangaroo Island and in similar environments, who should consider adjusting practices to limit future mega-fire risk and potential ecosystem shifts if severe fires become more frequent with climate change.</p> <p> </p> <p><strong>Data details:</strong></p> <p>See paper: <a href="https://www.mdpi.com/2072-4292/12/23/3942">Remote Sensing | Free Full-Text | Contextualizing the 2019–2020 Kangaroo Island Bushfires: Quantifying Landscape-Level Influences on Past Severity and Recovery with Landsat and Google Earth Engine (mdpi.com)</a></p> <p>See code on GitHub: <a href="https://github.com/ZZMitch/KangarooIslandFireHistory_1988to2020">ZZMitch/KangarooIslandFireHistory_1988to2020: Code from "Contextualizing the 2019–2020 Kangaroo Island Bushfires: Quantifying Landscape-Level Influences on Past Severity and Recovery with Landsat and Google Earth Engine" (RS, 2020) (github.com)</a></p> <p> </p> <p><strong>If you use these data, please reference: </strong></p> <p>Bonney, M.T., He, Y., Myint, S.W., 2020. Contextualizing the 2019–2020 Kangaroo Island bushfires: Quantifying landscape-level influences on past severity and recovery with Landsat and Google Earth Engine. Remote Sensing 12(23), <a href="https://doi.org/10.3390/rs12233942" rel="nofollow">https://doi.org/10.3390/rs12233942</a>.</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.