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  • 2020-2024  (8,610)
  • 1940-1944  (2)
  • 2024  (8,610)
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Year
  • 1
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    Randomized rock microstructures - Collection of raster data, properties, and finite element simulation package (2024)
    GFZ Data Services
    Details
    Publication Date: 2024-05-26
    Description: Abstract
    Description: This collection contains 10500 computationally generated, randomised 2D microstructures, their geometrical and electrical properties, and the Matlab software package used to calculate these properties. The two-phase microstructures (mineral matrix, pore space) represent three different pore space types (microfracture networks, intergranular pore space, oomoldic pore space) and are organised into 35 ensembles - with common modelling parameters - of 100 individual microstructure realisations each. For all realisations, several geometrical properties (percolation, total porosity, connected porosity, isolated porosity, surface area, fractal dimension) and physical properties (formation factor from electrical resistivity, electrical tortuosity) are given. The collection also includes a Matlab-based finite element simulation package derived from the FEMALY library, which can be used to compute the properties of any given 2D raster microstructure.
    Keywords: petrophysics ; microstructure ; finite element method ; permeability and porosity ; statistical methods ; EARTH SCIENCE 〉 SOLID EARTH 〉 ROCKS/MINERALS/CRYSTALS 〉 SEDIMENTARY ROCKS 〉 SEDIMENTARY ROCK PHYSICAL/OPTICAL PROPERTIES ; EARTH SCIENCE 〉 SOLID EARTH 〉 ROCKS/MINERALS/CRYSTALS 〉 SEDIMENTARY ROCKS 〉 SEDIMENTARY ROCK PHYSICAL/OPTICAL PROPERTIES 〉 ELECTRICAL ; science 〉 natural science 〉 earth science 〉 geophysics
    Type: Collection , Collection
    Location Call Number Expected Availability
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    DATA GFZ
  • 2
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    Gorgona Marina: contribución al conocimiento de una isla única (2024)
    Instituto de Investigaciones Marinas y Costeras "José Benito Vives de Andréis" | Santa Marta, Colombia
    Details
    Publication Date: 2024-05-25
    Description: En el inhóspito, Agreste y poco conocido Pacífico colombiano, se destaca un lugar especial por haberse constituido en el transcurso de las últimas dos décadas en epicentro de la investigación en biodiversidad marina: Isla Gorgona. Su condición insular y de Parque Nacional Natural hacen de ella, aunque poco accesible, un escenario ideal para la observación contemplativa y minuciosa de las muchas expresiones que la naturaleza ha sabido reunir allí, tanto en tierra como en las aguas que la circundan. Es lugar de paso obligado para grandes cetáceos y aves migratorias, posee formaciones coralinas que albergan una característica diversidad de peces e invertebrados, además de playas, acantilados, fondos de arena de roca que propician la coexistencia de variadas y contrastantes comunidades bióticas que han cautivado la atención de biólogos y estudiantes, lo que le ha valido el calificativo de "isla ciencia". Este libro da a conocer sus atributos naturales.
    Description: Published
    Description: Refereed
    Keywords: Peces marinos ; ASFA_2015::C::Coral reefs ; ASFA_2015::CComunidades coralinas ; ASFA_2015::AArrecifes coralinos ; ASFA_2015::E::Ecology
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 160pp.
    Location Call Number Expected Availability
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    PAPER (OA)
  • 3
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    Master track of MARIA S. MERIAN cruise MSM123 in 1 sec resolution (zipped, 122 MB) (2024)
    PANGAEA
    In:  GEOMAR - Helmholtz Centre for Ocean Research Kiel
    Details
    Publication Date: 2024-05-25
    Description: Raw data acquired by position sensors on board RV MERIAN during expedition MSM123 were processed to receive a validated master track which can be used as reference of further expedition data. During MSM123 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and the GPS receivers Trimble SPS855 and SAAB R4 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: 1 sec resolution; BELS; CT; DAM_Underway; DAM Underway Research Data; Maria S. Merian; MSM123; MSM123-track; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 121.8 MBytes
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
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    Master tracks in different resolutions of METEOR cruise M198, Catania - Catania, 2024-02-09 - 2024-02-22 (2024)
    PANGAEA
    In:  GEOMAR - Helmholtz Centre for Ocean Research Kiel
    Details
    Publication Date: 2024-05-25
    Description: Raw data acquired by position sensors on board RV METEOR during expedition M198 were processed to receive a validated master track which can be used as reference of further expedition data. During M198 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and two C and C Technologies GPS receivers C-NAV3050 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: Calculated; Course; CT; DAM_Underway; DAM Underway Research Data; DATE/TIME; LATITUDE; LONGITUDE; M198; M198-track; Meteor (1986); MIDES; Speed; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 3742 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 5
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    Master track of MARIA S. MERIAN cruise MSM125 in 1 sec resolution (zipped, 26 MB) (2024)
    PANGAEA
    In:  Max Planck Institute for Marine Microbiology
    Details
    Publication Date: 2024-05-25
    Description: Raw data acquired by position sensors on board RV MERIAN during expedition MSM125 were processed to receive a validated master track which can be used as reference of further expedition data. During MSM125 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and the GPS receivers Trimble SPS855 and SAAB R4 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: 1 sec resolution; CT; DAM_Underway; DAM Underway Research Data; EqTestGOC; Maria S. Merian; MSM125; MSM125-track; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 25.8 MBytes
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 6
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    Simulation of greenhouse gas production during key transitions in a coastal thermokarst landscape in an anaerobic incubation experiment with samples from Bykovsky Peninsula, Siberia (2024)
    PANGAEA
    Details
    Publication Date: 2024-05-25
    Description: The dataset presents the greenhouse gas production (CO2 and CH4) from sediment of a terrestrial permafrost outcrop (Byk14-A-1; 71.85175°N, 129.350883°E), the thermokarst lake Goltsovoye (PG2412 (TKL), 71.74515°N, 129.30217°E), the nearly-closed Polar Fox Lagoon (PG2411 (LAG1), 71.743056°N, 129.337778°E) and the semi-open Uomullyakh Lagoon (PG2410-1 (LAG1), 71.730833°N, 129.2725°E). We incubated the samples anaerobically at 4 °C under fresh (c=0 g/L), brackish (c=13g/L) and marine (36g/L) conditions for one year and measured carbon dioxide (CO2) and methane (CH4) concentrations regularly in a 250 µL subsample using gas chromatography with an Agilent GC 7890A equipped with an Agilent HP-PLOT Q column. Cumulative CO2 and CH4 concentrations and production rates per day are given over time for all samples with three replicates each per gram of dry weight and normalised to gram of soil organic carbon (SOC).
    Keywords: Anaerobic incubation; Arctic permafrost coasts; AWI Arctic Land Expedition; Bykovsky_2017_spring; Carbon dioxide, production, anaerobic, per mass soil organic carbon; Carbon dioxide, production, anaerobic, per soil dry mass; Carbon dioxide, production rate, per mass soil organic carbon; Carbon dioxide, production rate, per soil dry mass; carbon dioxide production; Core; Date; Day of experiment; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Event label; EXPO; Exposure; Goltsovoye Lake, Siberia, Russia; Laboratory experiment; Lena_Delta_Sobo-Byk_2014; Methane, production, anaerobic, per mass soil organic carbon; Methane, production, anaerobic, per soil dry mass; Methane, production rate, per mass soil organic carbon; Methane, production rate, per soil dry mass; methane production; Mobile drilling rig, Geotechnika, URB-4T; PETA-CARB; PG2410-1; PG2411-1; PG2412-1; PG-BYK14-1-A; Polar Fox Lagoon; Rapid Permafrost Thaw in a Warming Arctic and Impacts on the Soil Organic Carbon Pool; Replicate; RU-Land_2014_Lena_Sobo-Byk; RU-Land_2017_Lena_Bykovsky; Sample ID; Sediment type; thermokarst lagoon formation; thermokarst lakes; Treatment; Type of study; Uomullyakh Lagoon
    Type: Dataset
    Format: text/tab-separated-values, 18900 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 7
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    Master track of METEOR cruise M198 in 1 sec resolution (zipped, 47 MB) (2024)
    PANGAEA
    In:  GEOMAR - Helmholtz Centre for Ocean Research Kiel
    Details
    Publication Date: 2024-05-25
    Description: Raw data acquired by position sensors on board RV METEOR during expedition M198 were processed to receive a validated master track which can be used as reference of further expedition data. During M198 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and two C and C Technologies GPS receivers C-NAV3050 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: 1 sec resolution; CT; DAM_Underway; DAM Underway Research Data; M198; M198-track; Meteor (1986); MIDES; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 47.1 MBytes
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 8
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    Master tracks in different resolutions of MARIA S. MERIAN cruise MSM123, Halifax - St. John's, 2023-11-24 - 2023-12-27 (2024)
    PANGAEA
    In:  GEOMAR - Helmholtz Centre for Ocean Research Kiel
    Details
    Publication Date: 2024-05-25
    Description: Raw data acquired by position sensors on board RV MERIAN during expedition MSM123 were processed to receive a validated master track which can be used as reference of further expedition data. During MSM123 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and the GPS receivers Trimble SPS855 and SAAB R4 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: BELS; Calculated; Course; CT; DAM_Underway; DAM Underway Research Data; DATE/TIME; LATITUDE; LONGITUDE; Maria S. Merian; MSM123; MSM123-track; Speed; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 9432 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 9
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    Master tracks in different resolutions of MARIA S. MERIAN cruise MSM125, Algeciras - Funchal, 2024-01-30 - 2024-02-06 (2024)
    PANGAEA
    In:  Max Planck Institute for Marine Microbiology
    Details
    Publication Date: 2024-05-25
    Description: Raw data acquired by position sensors on board RV MERIAN during expedition MSM125 were processed to receive a validated master track which can be used as reference of further expedition data. During MSM125 the motion reference unit Kongsberg SeaTex AS MRU-5 combined with Kongsberg SeaTex AS Seapath 320 and the GPS receivers Trimble SPS855 and SAAB R4 were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.bsh.de) with a resolution of 1 sec. Processing and evaluation of the data is outlined in the data processing report. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: Calculated; Course; CT; DAM_Underway; DAM Underway Research Data; DATE/TIME; EqTestGOC; LATITUDE; LONGITUDE; Maria S. Merian; MSM125; MSM125-track; Speed; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 2032 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 10
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    The Clinical Relevance of Age at Presentation in Nephroblastoma (2024)
    Exon Publications | Wilms Tumor
    Details
    Publication Date: 2024-05-24
    Description: The most important prognostic factors for Wilms tumor (WT) patients seem to be stage, histological subtype, and 1p/16q loss of heterozygosity (LOH) in chemotherapy-naive WTs. Over the last decade, age at diagnosis also was suggested to be an important risk factor for WT recurrence in Children’s Oncology Group (COG), United Kingdom (UK), and International Society of Pediatric Oncology (SIOP) studies. Several studies have analyzed age as a prognostic factor; these studies revealed age 〈2 years as a favorable prognostic factor, while age 〉4 years has been described as an adverse prognostic factor. In adults (〉18 years of age), WT represents less than 1% of all diagnosed renal tumors; therefore, diagnosis of WT in adults is often unexpected and poorly recognized, thereby inducing treatment delay with subsequent adverse outcome. One explanation for the higher risk of recurrence with increasing patient age is the higher frequency of anaplasia at higher age. Other suggested reasons are delay in diagnosis, advanced tumor stage at presentation, and intrinsically different biological behaviors. Whether age is really an independent risk factor, and whether age is a stronger prognostic factor than stage, histology, and LOH 1p/16q, needs to be further explored. This may provide some insight into whether older patients need to be treated more intensively, as is already advised for adult WT patients.
    Description: Published
    Keywords: MJR
    Language: English
    Format: image/jpeg
    Location Call Number Expected Availability
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    E-BOOK
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