cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.25921/wenc-1854
title: NOAA/WDS Paleoclimatology - Northern Hemisphere 1,500 Year Regional MXD and TRW Tree-Ring Chronologies

description: Explosive volcanism can alter global climate, and hence trigger economic, political and demographic change. The climatic impact of the largest volcanic events has been assessed in numerous modelling studies and tree-ring-based hemispheric temperature reconstructions. However, volcanic surface cooling derived from climate model simulations is systematically much stronger than the cooling seen in tree-ring-based proxies, suggesting that the proxies underestimate cooling; and/or the modelled forcing is unrealistically high. Here, we present summer temperature reconstructions for the Northern Hemisphere from tree-ring width and maximum latewood density over the past 1,500 years. We also simulate the climate effects of two large eruptions, in AD 1257 and 1815, using a climate model that accounts explicitly for self-limiting aerosol microphysical processes. Our tree-ring reconstructions show greater cooling than reconstructions with lower spatial coverage and based on tree-ring width alone, whereas our simulations show less cooling than previous simulations relying on poorly constrained eruption seasons and excluding nonlinear aerosol microphysics. Our tree-ring reconstructions and climate simulations are in agreement, with a mean Northern Hemisphere extra-tropical summer cooling over land of 0.8 to 1.3C for these eruptions. This reconciliation of proxy and model evidence paves the way to improved assessment of the role of both past and future volcanism in climate forcing.
description: The proxy records are maximum-latewood-density and tree-ring width chronologies grouped in 30 clusters and that portray a significant local summer temperature signal. The proxy composite is calibrated and validated against June-August temperature anomalies from the CRUTEM4v and BEST networks 40-90N.
DOI: 10.5517/cc9s7s2
title: CCDC 291424: Experimental Crystal Structure Determination

description: Related Article: Cheng-Han Yang, Shih-Wen Li, Yun Chi, Yi-Ming Cheng, Yu-Shan Yeh, Pi-Tai Chou, Gene-Hsiang Li, Chih-Hsiang Wang, Ching-Fong Shu|2005|Inorg.Chem.|44|7770|doi:10.1021/ic050311g
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc9s7t3
title: CCDC 291425: Experimental Crystal Structure Determination

description: Related Article: Lei Hou, Dan Li, Wen-Juan Shi, Ye-Gao Yin, Seik Weng Ng|2005|Inorg.Chem.|44|7825|doi:10.1021/ic050558d
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25921/wydm-yf83
title: NOAA/WDS Paleoclimatology - Knapp - Wellner Cliffs Research Natural Area - PIPO - ITRDB ID016

description: Tree ring data from the International Tree Ring Data Bank and World Data Center for Paleoclimatology archives.  Most data sets include raw treering measurements (most are annual ring width, with some collections of earlywood or latewood width or wood density), plus chronologies (standardized growth indices for a site compiled from multiple treering samples). Reconstructions of climate variables are included with some of these data sets.  Each data type is stored in a separate data file; the data type is coded into the file name. For details please see: http://www.ncdc.noaa.gov/paleo/treeinfo.htmll
description: NOAA Template Raw Measurements file added 2019-02-08.
DOI: 10.5517/cc9s7v4
title: CCDC 291426: Experimental Crystal Structure Determination

description: Related Article: Lei Hou, Dan Li, Wen-Juan Shi, Ye-Gao Yin, Seik Weng Ng|2005|Inorg.Chem.|44|7825|doi:10.1021/ic050558d
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25921/wnxa-wg08
title: NOAA/WDS Paleoclimatology - Lake Victoria 1,000 Year Diatom-Based Conductivity Reconstruction

description: A new diatom series with 1-6 year resolution from Lake Victoria, East Africa,  shows that lake level minima occurred ca. 820-760, 680-660, 640-620, 370-340, and 220-150 calendar years BP. Inferred lake levels were exceptionally high during most of the Little Ice Age  (ca. 600-200 calendar years BP). Synchrony between East African high lake levels and prolonged sunspot minima during much of the last millenium may reflect solar variability's effects on  tropical rainfall, but those relationships reversed sign ca. 200 years ago.  Historical records also show that Victoria lake levels rose during every peak of the ca. 11-year sunspot cycle since the late 19th century. These findings suggest that, if these apparent tropical sun-climate associations during the last millenium were real, then they were subject to abrupt sign reversals.
description: Lake Victoria High-Resolution Diatom-Based Conductivity Reconstruction.  Shallow water diatom percentage and inferred conductivity, interpreted as a proxy for lake level over the last millennia.
DOI: 10.5517/cc9s7w5
title: CCDC 291427: Experimental Crystal Structure Determination

description: Related Article: Lei Hou, Dan Li, Wen-Juan Shi, Ye-Gao Yin, Seik Weng Ng|2005|Inorg.Chem.|44|7825|doi:10.1021/ic050558d
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc9s7x6
title: CCDC 291428: Experimental Crystal Structure Determination

description: Related Article: Lei Hou, Dan Li, Wen-Juan Shi, Ye-Gao Yin, Seik Weng Ng|2005|Inorg.Chem.|44|7825|doi:10.1021/ic050558d
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25921/wjzj-a456
title: NOAA/WDS Paleoclimatology - GRIP Ice Core 40KYr Methane Data

description: Records of the variation in atmospheric methane concentration have been obtained from ice cores for the past 1,000 years and for the period 8,000-220,000 yr BP, but data for the intervening period, spanning most of the present interglacial period (Holocene), are patchy. Here we present a continuous, high-resolution record of atmospheric methane from 8,000 to 1,000 yr BP, from the GRIP ice core in central Greenland. Unlike most other climate proxies from ice cores (such as oxygen isotope composition and electrical conductivity), methane concentrations show significant variations - up to 15% - during the Holocene. We have proposed that variations in the hydrological cycle at low latitudes are the dominant control on past levels of atmospheric methane. This is now supported by the observation that the lowest methane concentrations in our new record occur in the mid-Holocene, when many tropical lakes dried up. The concentration increases during the Late Holocene, probably owing to an increasing contribution from northern wetlands.
description: The measurements presented have been performed in Bern with a dry extraction technique and in Grenoble with a melting-refreezing method. In both laboratories the extracted air is analysed by gas chromatography.
DOI: 10.25921/w03j-sn93
title: NOAA/WDS Paleoclimatology - Umbanhowar fire data from Sharkey Lake, Minnesota - IMPD USSKL001

description: 1 Treeline ecotones, such as the prairie-forest boundary, represent climatically sensitive regions where the relative abundance of vegetation types is controlled by complex interactions between climate and local factors. Responses of vegetation and fire to climate change may be tightly linked as a result of strong feedbacks among fuel production, vegetation structure and fire frequency/severity, but the importance of these feedbacks for controlling the stability of this ecotone is unclear.; 
2 In this study, we examined the prairie–forest ecotone in south-central Minnesota using two lake sediment cores to reconstruct independent records of climate, vegetation and fire over the past 12 500 years. Using pollen, charcoal, sediment magnetic analyses and LOI properties, we investigated whether fires were controlled directly by climate or indirectly by fuel production.; 
3 Sediment magnetic and LOI data suggest four broad climatic periods occurring c. 11 350-8250 BP (cool/humid), c. 8250-4250 BP (warm/dry)c. 4250-2450 BP (warm/humid), and c. 2450-0 BP (cool/humid), indicating that, since the mid-Holocene, climate has shifted towards wetter conditions favouring greater in-lake production and fuel production on the landscape.; 
4 The area surrounding both lakes was characterized by boreal forest c. 12 500-10 000 BP, changing to an Ulmus-Ostrya forest c. 10 000-9000 BP, changing to a community dominated by prairie (Poaceae-Ambrosia-Artemisia) and deciduous forest taxa c. 8000-4250 BP, and finally shifting to a Quercus-dominated woodland/savanna beginning c. 4250-3000 BP. ; 
5 Charcoal influx increased from an average of 0.11-0.62 mm2/cm2/yr  during the early Holocene forest period (c . 11 350-8250 BP) to 1.71-3.36 mm2/cm2/yr during the per iod of prairie expansion (c. 8250–4250 BP) and again increased to 4.18–4.90 mm2/cm2/yr at the start of the woodland/savanna period (c. 4250 BP).; 
6 As a result of the influence of climate on community composition and fuel productivity, changes in fire severity may be the result and not the cause of shifts in vegetation.
DOI: 10.5517/cc9s7y7
title: CCDC 291429: Experimental Crystal Structure Determination

description: Related Article: Lei Hou, Dan Li, Wen-Juan Shi, Ye-Gao Yin, Seik Weng Ng|2005|Inorg.Chem.|44|7825|doi:10.1021/ic050558d
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc9s7z8
title: CCDC 291430: Experimental Crystal Structure Determination

description: Related Article: Lei Hou, Dan Li, Wen-Juan Shi, Ye-Gao Yin, Seik Weng Ng|2005|Inorg.Chem.|44|7825|doi:10.1021/ic050558d
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc9s80b
title: CCDC 291431: Experimental Crystal Structure Determination

description: Related Article: L.B.Picraux, A.L.Smeigh, Dong Guo, J.K.McCusker|2005|Inorg.Chem.|44|7846|doi:10.1021/ic0506761
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25921/wg7f-4c28
title: NOAA/WDS Paleoclimatology - King - South Arcadia Lake - QUST - ITRDB OK044

description: Evidence indicates that the structure of Oklahoma Cross Timbers forests are in transition due to changing climate, land-use patterns, and fire suppression efforts. However, only a handful of studies have addressed the history of fire across the Oklahoma Cross Timbers landscape. This research adds to the body of literature by studying the contemporary forest structure and fire history at Lake Arcadia in Oklahoma County, Oklahoma. Results demonstrate that post oak (Quercus stellata Wangenh.) and blackjack oak (Q. marilandica Münchh.), two common species in Oklahoma Cross Timbers, dominate the forest. However, several mesophytic tree species are found in the overstory as well as the sapling layer of the forest. A total of 25 fire events (mean fire interval = 4.14 years) were documented during the 20th century using fire-scar analysis of Q. stellata trees and remnant wood (stumps, snags, recently dead trees). High fire frequencies in the early to mid-20th century corresponded to the recruitment of Q. stellata and Q. marilandica. Wet conditions (PDSI > 0) during the late 20th century and no fires after 1985 corresponded to the recruitment of non-oak, mesophytic species at the study site. The results of this study suggest that changes in fire frequency and moisture availability are contributing to changes in tree density and species composition at the study site.
description: Age structure and radial growth patterns of post oak on the south side of Arcadia Lake, Oklahoma. Data set includes ring-width measurements of pre-1930 increment core samples from the study site. Some measurements arise from remnant post oak at the study site. An additional set of increment cores were collected in 2015. NOAA Template Raw Measurements file added 2019-02-08.
DOI: 10.5517/cc9s81c
title: CCDC 291432: Experimental Crystal Structure Determination

description: Related Article: L.B.Picraux, A.L.Smeigh, Dong Guo, J.K.McCusker|2005|Inorg.Chem.|44|7846|doi:10.1021/ic0506761
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25921/wej9-xm79
title: NOAA/WDS Paleoclimatology - Ingøya, Norway, 1900-2012 Arctica islandica d18O and shell growth data

description: The lack of high resolution, geographically diverse proxy records from the marine realm limits our understanding of climate dynamics in the North Atlantic Ocean and Arctic during recent centuries. We investigate the impact of large-scale climate variability on the marine bivalve, Arctica islandica, (Linnaeus 1767) from northern Norway (718N). We evaluate the use of annual shell growth and geochemical records as proxies for North Atlantic and Arctic climate variability over centennial scales by developing a continuous, 113-yr master shell growth chronology and an oxygen isotope record (d18O) from live caught shell material. A relatively strong inverse relationship is observed between both the shell growth and isotopic proxies and large-scale North Atlantic sea surface temperatures in modern times (r520.54 to 20.90; p<0.05). This relationship is strengthened when using a combined shell growth/oxygen isotope Multiproxy Index (r520.72 to 20.90; p <0.01). The regional spatial pattern of correlation resembles that of the North Atlantic Current as it bifurcates around 558N, indicating that large-scale ocean surface current dynamics play an important role in regulating local ecosystem processes and thus shell growth in northern Norway. A combined proxy index created using multiple linear regression exhibits a relatively strong and time-stable relationship with the Atlantic Multidecadal Oscillation (AMO; r520.622; p<0.001) since AD 1900. Variability in the relationship between the shell based records and the North Atlantic Oscillation coincide with variations in the AMO index, suggesting a complex relationship between atmospheric forcing on hydrographic variability and ecosystem dynamics in northern Norway.
description: Provided Keywords: oxygen isotopes, shell growth, Arctica islandica, d18O, Barents Sea, bivalve
DOI: 10.5517/cc9s82d
title: CCDC 291433: Experimental Crystal Structure Determination

description: Related Article: L.B.Picraux, A.L.Smeigh, Dong Guo, J.K.McCusker|2005|Inorg.Chem.|44|7846|doi:10.1021/ic0506761
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc9s83f
title: CCDC 291434: Experimental Crystal Structure Determination

description: Related Article: T.Sajoto, P.I.Djurovich, A.Tamayo, M.Yousufuddin, R.Bau, M.E.Thompson, R.J.Holmes, S.R.Forrest|2005|Inorg.Chem.|44|7992|doi:10.1021/ic051296i
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25921/wcjx-a214
title: NOAA/WDS Paleoclimatology - Dominican Republic Late Miocene Fossil Coral Stable Isotope Data

description: Reconstructions of Pliocene sea-surface temperature (SST) gradients and thermocline depths suggest that the zonal temperature gradient of the tropical Pacific was distinct from the modern. However, the nature of any El Nino-Southern Oscillation (ENSO) variability superimposed on this mean state is difficult to determine. We developed monthly resolved multidecadal stable isotopic time series from an extremely well preserved central Caribbean coral dating to the Miocene-Pliocene transition, prior to closure of the Central American Seaway (CAS). Paleoceanographic modeling suggests that the flow of water associated with El Nino and La Nina events through the CAS allowed Caribbean corals to record the ENSO-related SST anomalies. Spectral analysis of coral oxygen isotope ratios reveals periodicities similar to modern ENSO signatures, suggesting that ENSO-like variability characterized the Miocene-Pliocene transition.
description: Fossil coral stable isotope (d18O and d13C) data from 2 corallites collected from the Miocene Gurabo Formation, Cibao Valley, Dominican Republic. Provided Keywords: sea surface temperature, Caribbean, ENSO, coral
DOI: 10.5517/cc9s84g
title: CCDC 291435: Experimental Crystal Structure Determination

description: Related Article: T.Sajoto, P.I.Djurovich, A.Tamayo, M.Yousufuddin, R.Bau, M.E.Thompson, R.J.Holmes, S.R.Forrest|2005|Inorg.Chem.|44|7992|doi:10.1021/ic051296i
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.15468/dl.6ajmzy
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Apterygiformes)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "Year is greater than or equal to 1980",
 "OccurrenceStatus is Present",
 {
 "not" : {
 "BasisOfRecord" : [
 "is one of (Fossil, Living Specimen)"
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 }
 },
 "Geometry POLYGON((120 -80,130 -80,130 -70,120 -70,120 -80))"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0024643-251009101135966/datasets/export for details.
DOI: 10.25921/w7tn-3s10
title: NOAA/WDS Paleoclimatology - Kharal - Pangu Khark - ABSB - ITRDB NEPA049

description: In mountainous areas including the Himalayas, tree lines are expected to advance to higher altitudes due to global climate change affecting the distribution and growth of plant species. This study aimed at identifying the tree ring variability of Abies spectabilis (D. Don) and its response to the climate along an elevation gradient in the high Himalayas of central Nepal. Tree core samples were collected from four sites in Mustang district. All sites were located in the same valley and exposed to similar weather conditions. Out of 232 samples collected from the sites, Titi lower (2700 m), Titi upper (2900 m), Pangukhark (3100 m) and Lete upper (3300 m), 44, 40, 39 and 41 series were successfully cross-dated and ring-width chronologies including 168, 79, 138 and 156 years previous to 2012 were developed, respectively. Statistically significant differences in average annual radial growth were noted among the four sites with the highest radial growth observed at mid-elevation sites. Chronological statistics based on residual chronologies for the common period revealed that A. spectabilis at the upper elevation site was more climate sensitive than at the other three sites. At the highest-elevation sites the correlation between pre-monsoon precipitation and tree growth was positive, and for the month of May this was statistically significant (p<0.05). Moreover, spring temperature (March-June) was negatively correlated with precipitation and with tree growth at all sites, and at the upper elevation site (3300 m) the correlation was significant for March, April and May. 
description: NOAA Template Raw Measurements file added 2019-04-08.
DOI: 10.5517/cc9s85h
title: CCDC 291436: Experimental Crystal Structure Determination

description: Related Article: T.Sajoto, P.I.Djurovich, A.Tamayo, M.Yousufuddin, R.Bau, M.E.Thompson, R.J.Holmes, S.R.Forrest|2005|Inorg.Chem.|44|7992|doi:10.1021/ic051296i
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc7q86d
title: CCDC 229933: Experimental Crystal Structure Determination

description: Related Article: G.W.Rabe, M.Zhang-Presse, F.A.Riederer, J.A.Golen, C.D.Incarvito, A.L.Rheingold|2003|Inorg.Chem.|42|7587|doi:10.1021/ic0301775
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.5517/cc6944r
title: CCDC 187523: Experimental Crystal Structure Determination

description: Related Article: T.C.Deivaraj, J.-H.Park, M.Afzaal, P.O'Brien, J.J.Vittal|2003|Chem.Mater.|15|2383|doi:10.1021/cm031027v
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.