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  • 2020-2024  (22)
  • 2020-2023  (1)
  • 1995-1999  (56)
  • 1970-1974
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  • 1
    Publication Date: 2024-01-08
    Keywords: Albite; Alpha spectrometry quadratic propagation; Amphibole; Arctic Ocean; Caesium-137, activity per mass; Caesium-137, uncertainty; Calcite; Chlorite; chronology; Density, dry bulk; Density, dry bulk, uncertainty; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dolomite; Dry mass; Dry mass, standard deviation; estuaries; Gamma spectrometry quadratic propagation; GCUWI; Gravity corer, UWITEC; Halite; Illite; Kaolinite; Lagoon; Lead-210, uncertainty; Lead-210 activity per mass; Lead-210 excess; Lead-210 excess, uncertainty; marine sediments; Mass per area; Mass per area, standard deviation; Microcline; mineralogy; Nearshore; Permafrost coasts; Pyrite, FeS2; Pyroxene; Quadratic propagation; Quartz; Radium-226, uncertainty; Radium-226 activity per mass; Sample code/label; Section; Size fraction 〈 0.002 mm, clay; Size fraction 〈 0.002 mm, clay, standard deviation; Size fraction 0.002-0.00063 mm; Size fraction 0.002-0.00063 mm, standard deviation; Size fraction 1.000-0.063 mm; Size fraction 1.000-0.063 mm, standard deviation; Smectite; YC18_HB_GCO1
    Type: Dataset
    Format: text/tab-separated-values, 1272 data points
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  • 2
    Publication Date: 2024-03-15
    Description: Prior exposure to variable environmental conditions is predicted to influence the resilience of marine organisms to global change. We conducted complementary 4-month field and laboratory experiments to understand how a dynamic, and sometimes extreme, environment influences growth rates of a tropical reef-building crustose coralline alga and its responses to ocean acidification (OA). Using a reciprocal transplant design, we quantified calcification rates of the Caribbean coralline Lithophyllum sp. at sites with a history of either extreme or moderate oxygen, temperature, and pH regimes. Calcification rates of in situ corallines at the extreme site were 90% lower than those at the moderate site, regardless of origin. Negative effects of corallines originating from the extreme site persisted even after transplanting to more optimal conditions for 20 weeks. In the laboratory, we tested the separate and combined effects of stress and variability by exposing corallines from the same sites to either ambient (Amb: pH 8.04) or acidified (OA: pH 7.70) stable conditions or variable (Var: pH 7.80-8.10) or acidified variable (OA-Var: pH 7.45-7.75) conditions. There was a negative effect of all pH treatments on Lithophyllum sp. calcification rates relative to the control, with lower calcification rates in corallines from the extreme site than from the moderate site in each treatment, indicative of a legacy effect of site origin on subsequent response to laboratory treatment. Our study provides ecologically relevant context to understanding the nuanced effects of OA on crustose coralline algae, and illustrates how local environmental regimes may influence the effects of global change.
    Keywords: Alkalinity, total; Alkalinity, total, standard error; Aragonite saturation state; Benthos; Bicarbonate ion; Bottles or small containers/Aquaria (〈20 L); Calcification/Dissolution; Calcification rate of calcium carbonate; Calcite saturation state; Calcite saturation state, standard error; Calculated using seacarb; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard error; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cayo_Roldan; Coast and continental shelf; Event label; EXP; Experiment; Field experiment; Flow rate; Flow rate, standard error; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Hospital_Point; Identification; Irradiance; Irradiance, standard error; Laboratory experiment; Lithophyllum sp.; Macroalgae; North Pacific; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error; pH; pH, standard error; Plantae; Potentiometric; Potentiometric titration; Replicate; Rhodophyta; Salinity; Salinity, standard error; Single species; Site; Species; Temperature, water; Temperature, water, standard error; Time point, descriptive; Treatment; Tropical; Type
    Type: Dataset
    Format: text/tab-separated-values, 15767 data points
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  • 3
    Publication Date: 2024-04-20
    Description: Meteorological observations made in the region of Extremadura (SW Iberia) from 1826 to mid-20th century have been retrieved. Variables such as air temperature, atmospheric pressure, precipitation, wind direction and humidity, among other, were recorded in these observations. In total, more than 700000 instrumental data were digitized (79.8 % with daily resolution).
    Keywords: Ahillones, Spain; Alange, Spain; Alburquerque, Spain; Alía, Spain; Aliseda, Spain; Aljucén, Spain; Almendralejo, Spain; Arroyo de San Serván, Spain; BAAHIL; BAALAN; BAALAN5; BAALBQ; BAALBU; BAALJU; BAALME; BAASER; BABADA; BABARC; BABERR; BACALA; BACAMP; BACAST; BACBUE; BACIJA; BACLAC; BACLLE; BACORN; BACPED; BACPEL; BACSTB; BACVAC; BACVAC2; Badajoz, Spain; BADBEN; BADBEN2; BAFCNT; BAFLEO; BAFMST; BAGRNJ; BAGTOR; BAGUAR; BAHDUQ; BAHLLE; BAHMON; BAHORN; BAHSER; BAJCAB; BALALB; BALANG; BALCOD; BALGAR; BALGUA; BALLER; BALNAV; BALOBN; BALPAR; BALROC; BALSMA; BAMAGA; BAMAGU; BAMENG; BAMERD; BAMIRA; BAMIRL; BAMNTJ; BAMONS; BAMSER; BAMTOR; BANOGA; Baños de Montemayor, Spain; BAOLIV; BAOVIE; BAPALC; BAPENA; BAPHUR; BAPMAE; BAPPRI; BAPREI; BAPZAJ; Barcarrota, Spain; BARENA; Barrado, Spain; BASALV; BASAMA; BASBAR; BASIRU; BASLEO; BASMAR; BASOBA; BASVAL; BATALA; BATORR; BATREA; BAUSAG; BAVALD; BAVFBA; BAVIBA; BAVIMO; BAVISE; BAVLEG; BAVREY; BAVVEN; BAVVEN2; BAZAFR; Berrocal, Spain; Binary Object; Borbollón, Spain; Cabezabellosa, Spain; Cabeza del Buey, Spain; Cabeza la Vaca, Spain; Cáceres, Spain; Calamonte, Spain; Caminomorisco, Spain; Campanario, Spain; Campillo de Llerena, Spain; Campo Maior (Portugal); Cañamero, Spain; Cañaveral, Spain; Casas de Don Pedro, Spain; Castiblanco, Spain; Castuera, Spain; CCALIA; CCALIS; CCBARR; CCBORB; CCCACE; CCCAMI; CCCANA; CCCBEL; CCCNVL; CCCORI; CCCYUS; CCETOR; CCGALI; CCGGRA; CCGRRV; CCGUAD; CCHERV; CCHOYO; CCJARN; CCJARZ; CCLOGR; CCMADR; CCMIAJ; CCMNTZ; CCMONT; CCMPLS; CCNAVM; CCPIOR; CCPLAS; CCPSCR; CCRVER; CCSFUE; CCSTRE; CCTALA; CCTORR; CCVALC; CCVCOR; CCVFRS; CCVILL; CCVILM; CCVISI; CCZORI; Cíjara, Spain; climate; Cordobilla de Lácara, Spain; Coria, Spain; Cornalvo, Spain; Corte de Peleas, Spain; Cuacos de Yuste, Spain; DATE/TIME; Don Benito, Spain; El torno, Spain; Event label; Extremadura; Fuente de Cantos, Spain; Fuente del Maestre, Spain; Fuentes de León, Spain; Galisteo, Spain; Garrovillas, Spain; Granja Badajoz, Spain; Granja de Torrehermosa, Spain; Guadalupe, Spain; Guareña, Spain; Guijo de Granadilla, Spain; Helechosa de los Montes, Spain; Herrera del Duque, Spain; Hervás, Spain; Higuera de la Serena, Spain; Higuera de Llerena, Spain; historical data; Hornachos, Spain; Hoyos, Spain; Iberian Peninsula; Jaraiz de la Vera, Spain; Jarandilla de la Vera, Spain; Jerez de los Caballeros (Aguas Santas), Spain; La Albuera, Spain; La Albuera-Feria, Spain; La Angostura, Spain; La Codosera, Spain; La Garrovilla, Spain; La Guarda, Spain; La Nava de Santiago, Spain; La Parra, Spain; La Roca de la Sierra, Spain; LATITUDE; Llerena, Spain; Lobón, Spain; Logrosán, Spain; LONGITUDE; Los Santos de Maimona, Spain; Madrigalejo, Spain; Magacela, Spain; Maguilla, Spain; Malpartida de Plasencia, Spain; Medina de las Torres, Spain; Mengabril, Spain; Mérida, Spain; meteorological observations; Miajadas, Spain; Miralrio, Spain; Mirandilla, Spain; Monesterio, Spain; Montánchez, Spain; Monterrubio de la Serena, Spain; Montijo, Spain; Navalmoral de la Mata, Spain; Nogales, Spain; Olivenza, Spain; Orellana la Vieja, Spain; Peñalsordo, Spain; Peraleda del Zaucejo, Spain; Piornal, Spain; Plasencia, Spain; PTCAMP; Puebla de Alcocer, Spain; Puebla de la Reina, Spain; Puebla del Maestre, Spain; Puebla del Prior, Spain; Puerto de Santa Cruz, Spain; Puerto Hurraco, Spain; Rena, Spain; Robledillo de la Vera, Spain; Salvaleón, Spain; Salvatierra de los Barros, Spain; San Martín de Trevejo, Spain; Santa Amalia, Spain; Santa Marta, Spain; San Vicente de Alcántara, Spain; Segura de León, Spain; Sierra de Fuentes, Spain; Siruela, Spain; Site; Solana de Barros, Spain; Talarrubias, Spain; Talaván, Spain; Talavera la Real, Spain; Torremayor, Spain; Torremenga, Spain; Usagre, Spain; Valdesevilla, Spain; Valencia de Alcántara(Spain); Valencia del Ventoso, Spain; Valverde de Leganés, Spain; Valverde del Fresno, Spain; Vegas de Coria, Spain; Villafranca de los Barros, Spain; Villalba de los Barros, Spain; Villamiel, Spain; Villanueva de la Serena, Spain; Villanueva de la Sierra, Spain; Villar del Rey, Spain; Villareal, Spain; Villarta de los Montes, Spain; Weather station/meteorological observation; WST; Zafra, Spain; Zorita, Spain
    Type: Dataset
    Format: text/tab-separated-values, 314 data points
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  • 4
    Publication Date: 2024-06-12
    Keywords: Albite; Alpha spectrometry quadratic propagation; Amphibole; Arctic Ocean; Caesium-137; Caesium-137, uncertainty; Calcite; Chlorite; chronology; Density, dry bulk; Density, dry bulk, uncertainty; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dolomite; Dry mass; Dry mass, standard deviation; estuaries; Gamma spectrometry quadratic propagation; GCUWI; Gravity corer, UWITEC; Halite; Illite; Kaolinite; Lagoon; Lead-210; Lead-210, uncertainty; Lead-210 excess; Lead-210 excess, uncertainty; marine sediments; Mass per area; Mass per area, standard deviation; Microcline; mineralogy; Nearshore; Permafrost coasts; PG2303_1; Pyrite, FeS2; Pyroxene; Quadratic propagation; Quartz; Radium-226; Radium-226, uncertainty; Sample code/label; Section; Size fraction 〈 0.002 mm, clay; Size fraction 〈 0.002 mm, clay, standard deviation; Size fraction 0.002-0.00063 mm; Size fraction 0.002-0.00063 mm, standard deviation; Size fraction 1.000-0.063 mm; Size fraction 1.000-0.063 mm, standard deviation; Smectite; South Beaufort Sea
    Type: Dataset
    Format: text/tab-separated-values, 767 data points
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  • 5
    Publication Date: 2024-06-12
    Keywords: Accumulation rate, mass, per year; Accumulation rate, mass, per year, uncertainty; Age; Age, uncertainty; Albite; Alpha spectrometry quadratic propagation; Amphibole; Arctic Ocean; Caesium-137; Caesium-137, uncertainty; Calcite; Chlorite; chronology; Density, dry bulk; Density, dry bulk, uncertainty; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dolomite; Elapsed time; Elapsed time, uncertainty; estuaries; Gamma spectrometry quadratic propagation; Halite; Illite; Kaolinite; Lagoon; Lead-210; Lead-210, uncertainty; Lead-210 excess; Lead-210 excess, uncertainty; marine sediments; Mass per area; Mass per area, standard deviation; Microcline; mineralogy; Monte Carlo; Nearshore; PCOR; Percussion corer; Permafrost coasts; Pyrite, FeS2; Pyroxene; Quadratic propagation; Quartz; Radium-226; Radium-226, uncertainty; Sample code/label; Section; Sedimentation rate per year; Sedimentation rate per year, uncertainty; Size fraction 〈 0.002 mm, clay; Size fraction 〈 0.002 mm, clay, standard deviation; Size fraction 0.002-0.00063 mm; Size fraction 0.002-0.00063 mm, standard deviation; Size fraction 1.000-0.063 mm; Size fraction 1.000-0.063 mm, standard deviation; Smectite; South Beaufort Sea; YC18_PB_SCO1
    Type: Dataset
    Format: text/tab-separated-values, 1804 data points
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  • 6
    Publication Date: 2024-06-12
    Description: The aim of this project was to investigate nearshore depositional processes in the Arctic within the last century. For this study sediment cores were retrieved from lagoon and marine sites at Kanivaliuraq – Ptarmigan Bay (lagoon) and Herschel Basin (marine). The lagoon (YC18-PB-SC01, 64 cm length) and two marine (YC18-HB-GC01, 40 cm length; and PG2303-1, 20 cm length) sediment cores, were collected at 3, 18 and 43 m water depth, respectively. Sampling missions took place in April 2016 and August 2018 in the nearshore areas of the southern Beaufort Sea along the Yukon North Slope in the western Canadian Arctic. Lagoon core YC18-PB-SC01 was taken with a percussion corer and marine cores with an UWITEC gravity corer. The cores were kept cool and dark until further analysis in the laboratories. Mineralogy composition was obtained by X-ray diffraction (XRD) of bulk sediment (well ground and mixed) through a Siemens D500 X-Ray diffractometer and the spectra were resolved with EVA Bruker-AXS software. The grain size analysis results are presented in three groups, particles between 2 mm and 63 µm, 63 µm and 2 µm and smaller than 2 µm. All samples were treated with peroxide (30%) before laser diffraction to remove organic matter particles. Grain size analysis was performed using a Microtrac MRB's Bluewave and a Partica HORIBA laser diffraction device. The 210Pb activities were obtained by assuming a secular equilibrium with 210Po and using a spike of 209Po. Samples were digested by acid solutions (HNO3, HCl, HF and HNO3+H2O2). Both polonium radionuclides were deposited on a silver disk and measured by alpha spectrometry using ORTEC detectors coupled to MaestroTM data acquisition software. 226Ra and 137Cs activity were assessed by high-resolution gamma spectrometry through a germanium detector (ORTEC). The ages, mass and sediment accumulation rates (MAR and SAR, respectively) were inferred by a Constant Flux model also known as Constant Rate of Supply model. All uncertainties were calculated by Monte Carlo method.
    Keywords: Arctic Ocean; chronology; estuaries; Lagoon; marine sediments; mineralogy; Nearshore; Permafrost coasts
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 7
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 70 (1997), S. 571-573 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The stability of fixed volume phase holograms in lithium niobate is studied. The new measurement method is able to distinguish between electronic compensation and true erasure. It is found that at temperatures in the range of 70–120 °C both electronic thermal detrapping and ionic movement are active effects. The actual lifetime of fixed holograms is determined in this temperature range. From these measurements, we extrapolate a lifetime for the fixed hologram refractive index change of 3.7 years at room temperature. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 50 (1997), S. 0 
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The lipid composition of different muscular areas (dorsal, ventral, subcutaneous, periosteum) and organs (liver, gall bladder, testes) of a gempylid fish Ruvettus pretiosus was examined. Waxes were the main lipid fraction in muscular areas, while the liver and testes were quite enriched in triglycerides and phospholipids. Oleic acid and fatty acids of n-3 family were the most frequently found in total lipids.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Acquisition of invasive/metastatic potential is a key event in tumor progression. Cell surface glycoproteins and their respective matrix ligands have been implicated in this process. Recent evidence reveals that the secreted glycoprotein SPARC (secreted protein, acidic and rich in cysteine) is ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature medicine 3 (1997), S. 1285-1289 
    ISSN: 1546-170X
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] The nfkbl and nfkb2 genes encode closely related products regulating immune and inflammatory responses1–3. Their role during development and differentiation remains unclear. The generation of nfkb1 null mice (p50−/−) resulted in altered immune responses, but had no effect on ...
    Type of Medium: Electronic Resource
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