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  • 1
    Online Resource
    Online Resource
    Cambridge :Elsevier Science & Technology,
    Keywords: Bioactive compounds. ; Medicine. ; Electronic books.
    Description / Table of Contents: Bioactive materials play an increasingly important role in the biomaterials industry, and are used for a range of applications, including artificial organs, drug delivery systems, nanomedicine, and biosensors. Bioactive materials in medicine reviews the current status and ongoing development of bioactive materials for medical applications. Following an introduction to bioactive materials in medicine, part one covers the process of designing bioactive materials, including chapters on molecular design, nanotechnology, and tissue engineering. Part two focuses on the different applications of bioactive materials in medicine, with chapters discussing applications in orthopaedics, in the circulatory system,and as antibacterials. The final chapters focus on the uses of these materials in gene therapy, plastic surgery and body reconstruction, and in drug delivery systems. With its distinguished editors and international team of contributors, Bioactive materials in medicine is an essential reference for researchers and designers in industry, as well as those with an academic interest in the subject. Discusses the current status and ongoing development of bioactive materials for medical applications Explores the process of designing bioactive materials, including molecular design, nanotechnology, and tissue engineering Assesses different applications of bioactive materials in medicine featuring applications in orthopaedics, in the circulatory system,and as antibacterials.
    Type of Medium: Online Resource
    Pages: 1 online resource (286 pages)
    Edition: 1st ed.
    ISBN: 9780857092939
    Series Statement: Woodhead Publishing Series in Biomaterials Series ; v.33
    DDC: 610.28
    Language: English
    Note: Cover -- Bioactive materials in medicine: Design and applications -- Copyright -- Contents -- Contributor contact details -- Foreword -- 1 Introduction to bioactive materials in medicine -- 1.1 Definition of bioactive materials -- 1.2 History of bioactive materials -- 1.3 Medical applications of bioactive materials -- 1.4 Design and commercialisation of bioactive materials -- 1.5 Future trends -- 1.6 References -- Part I Designing bioactive materials for use in medicine -- 2 Molecular design of bioactive materials with controlled bioactivity -- 2.1 Definition of bioactivity and bioactive materials -- 2.2 Influencing factors on bioactivity -- 2.3 Design of bioactive materials -- 2.4 Future trends -- 2.5 References -- 3 Bioactive materials and nanotechnology -- 3.1 Introduction -- 3.2 Bioactive materials under nanoscale (nanomaterials) -- 3.3 Nanofibres -- 3.4 Nanocomposites -- 3.5 Applications of nanomaterials -- 3.6 Limitations of nanomaterials -- 3.7 Future trends -- 3.8 References -- 4 Bioactive materials and tissue engineering -- 4.1 Introduction -- 4.2 Interaction between bioactive materials, cells and surrounding tissue -- 4.3 Bioactive materials as a scaffolding frame used in tissue engineering -- 4.4 Applications of bioactive materials in tissue engineering -- 4.5 Limitations of bioactive materials in tissue engineering -- 4.6 Future trends -- 4.7 References -- Part II Applications of bioactive materials in medicine -- 5 Antibacterial bioactive materials -- 5.1 Introduction -- 5.2 Antibacterial materials -- 5.3 Clinical applications of antibacterial materials -- 5.4 Limitations of antibacterial materials -- 5.5 Future trends -- 5.6 References -- 6 Bioactive materials in orthopaedics -- 6.1 Introduction -- 6.2 Biomaterials in orthopaedics -- 6.3 Clinical applications of bioactive materials in orthopaedics. , 6.4 Limitations of bioactive materials in orthopaedics -- 6.5 Future trends -- 6.6 References -- 7 Bioactive materials in the circulatory system -- 7.1 Introduction -- 7.2 Applications of bioactive materials in devices for the circulatory system -- 7.3 Limitations of bioactive materials in devices for the circulatory system -- 7.4 Future trends -- 7.5 References -- 8 Bioactive materials in gene therapy -- 8.1 Introduction -- 8.2 Applications of bioactive materials in gene therapy -- 8.3 Limitations of bioactive materials in gene therapy -- 8.4 Future trends -- 8.5 References -- 9 Bioactive materials in plastic surgery and body reconstruction -- 9.1 Introduction -- 9.2 Applications of bioactive materials in plastic surgery and body reconstruction -- 9.3 Limitations of bioactive materials in plastic surgery and body reconstruction -- 9.4 Future trends -- 9.5 References -- 10 Bioactive materials in drug delivery systems -- 10.1 Introduction -- 10.2 Applications of bioactive materials in drug delivery systems -- 10.3 Limitations of bioactive materials in drug delivery systems -- 10.4 Future trends -- 10.5 References -- Index.
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  • 2
    Online Resource
    Online Resource
    Zurich :Trans Tech Publications, Limited,
    Keywords: Electronic books.
    Description / Table of Contents: Selected, peer reviewed papers from the 2014 International Conference on Material Engineering, Energy and Applied Technology (MEEA 2014), November 29-30, 2014, Hefei, China.
    Type of Medium: Online Resource
    Pages: 1 online resource (466 pages)
    Edition: 1st ed.
    ISBN: 9783038267539
    Series Statement: Advanced Materials Research Series ; v.Volume 1078
    Language: English
    Note: Intro -- Advanced Research in Material Engineering, Machinery and Applied Technologies -- Preface, Committee and Sponsors -- Table of Contents -- Chapter 1: Materials Science, Chemical Materials and Chemical Technologies -- Effect of Nb Content on the Impact Toughness of Coarse-Grained Heat-Affected Zone of Pipeline Steels under Large Heat Input -- Study on Solidification Kinetics and Crystallization Analysis of Dynamically-Vulcanized PP/EPDM Blends -- Occurrence and Control of Crack on Counterweight of Forklift Cast with High Manganese Pig Iron -- Controllable Preparation of Zinc Phosphate Materials with Different Morphologies and Particle Size -- Analysis of Plastic Zone at a Crack Tip for I, II and III Mode Fracture with MY Criterion -- Characterization of Zirconia Sizing Nozzle Modifying Addictives Preparated by Sol-Gel Method -- Study on the Hydrolysis of PET Catalyzed by Carbonates under Microwave Irradiation -- The Facile Preparation and the Performance of Killing Oncomelania Snails of Zinc Oxide Nanoparticles -- Zein: A Novel Porogen for the Preparation of PVDF Porous Membrane -- Synthesis and Properties of the New Room Temperature Ionic Liquid -- Improved Antifouling Property of PVDF Membranes with Crosslinked PEG -- Effect of the Fixation Treatment on the Staining Results of Reactive Dyes for Dyeing Bamboo -- IPA Recycling by Hydrolysis Reaction of TDI Residue -- Pull-In Behavior of Carbon Nanotubes in Networks -- The Effect of TiH2 Oxidation Treatment on Preparing Aluminum Foam Sandwiches -- Research on Applied Equipment in Sport Teaching Based on Fiber-Reinforced Composites -- Determination of Henry Constants of Azelnidipine Enantiomers on Chiralpak AD Column at Different Temperatures -- Synthesis and Properties of 1-(3,5-dimethyl-4-isoxazole)-2-(2-methyl-(5-ethynyl)-3-thienyl)perfluorocyclopentene. , Synthesis and Photochromism Studies of 1-(2-methyl-3-benzofuran)-2-[2-methyl-5-naphthyl-3-thienyl]perfluorocyclopentene -- Synthesis and Application of 1-(2,5-dimethyl-3-thiazolyl)-2-[2-methyl-5-phenyl-(4-vinyl)-3-thiophene]perfluorocyclopentene -- Synthesis and Application of 1-[(2-methyl-3-benzothiophene)]-2-[2-methyl-5-(1,3-dioxolane)-3-thienyl]perfluorocyclopentene -- Synthesis and Properties of 1-(2-Methyl-3-benzothiophene)-2-[2-methyl-5-(3-fluoro-4-chloro)phenyl-3-thienyl]perfluorocyclopentene -- Synthesis and Application of 1-(2-methyl-3-benzothienyl)-2-[3-methyl-2-thienyl]perfluorocyclopentene -- Synthesis and Properties of 1-(2-methyl-3-benzothienyl)-2-[2-methyl-5-(3-trifluoromethyl)-3-thienyl]perfluorocyclopentene -- Synthesis and Application of 1-[2-methyl-5-(4-hydroxymethylphenyl)-3-thienyl]-2-[2-methyl-5-(4-azidomethylphenyl)-3-thienyl]perfluorocyclopentene -- Energy Efficiency Analysis of PET Hydrolyzed by Different Ways of Microwave Irradiation -- Preparation and Luminescent Property of EuxYy(TPTZ)2(POA)6 Complexes -- Application of Biological Materials on Countermeasures and Development in Exercise-Induced Meniscus Injury -- Chapter 2: Processing of Natural Resources, Environmental Engineering and Construction -- Study on Application of Low Velocity Non-Darcy Flow -- Research of Coupling Mechanism between Dynamic Damage of Fault Rock-Pillar and Gas Outburst in Front of Roadway -- The Study on Temporal and Spatial Distribution of Seabed Pipeline Spilt Oil's Floating Based on Energy Conservation -- The Physicochemical Properties and the Fate of Fly Ash along the Air Pollution Control Devices in Coal-Fired Power Plant -- Application of PP Model in Water Quality Evaluation of Dehuixin River -- Analysis of Acid Rain and the Main Effect Factors in Nanchang City -- Efficient and Circulation Raw Coal Processing Technology. , Dynamic Analysis on Explosion Resistance Performance of Reinforced Concrete Wall -- Research on Rib Stiffener Distribution and Ultimate Strength of Steel Tubular Tower's K-Joint -- Increase Water Resistance Decorative Coatings on the Basis of Calcareous Dry Building Mixtures -- Chapter 3: Advanced Technologies in Machinery, Mechatronics, Automation and Control -- Study on Optimizing the Queuing Theory Based on Car Diagnosis -- Experimental Analysis for Jet Noise Reduction of Chevron Pylon-Based Nozzles -- Research on the Steering Character for Kiloton all Terrain Crane -- Research on Parameter Optimization Method of v-SVRM Forecasting Model for Crane Load Spectrum -- Research on Aqueous Foam Jamming Device for Transport Vehicle -- Out-of-Plane Stability Analysis of Crane Jib with Auxiliary Bracing -- Applied Engine Electronic Control Technology in Situation and Analysis of Experimental Teaching System -- Transient Dynamics Analysis of the Reachstacker Speader Based on ANSYS -- Design of Multi-Legged Walking Machine -- Stability Analysis of Latticed Shells -- Design of Mousetrap Based on Solid Works Software -- Study of Jet Noise Reduction on Separated Exhaust System Using Chevron Nozzles -- Simulation Research of Engine's Electronic Control System Based on Modular Modeling Method -- The Research on Simulation Model of BF Raceway Based on Kinetic Theory of Granular Flow -- Application of Optical Fiber Laser Sensing Technology in Signal Detection -- Application of Improved Hash Function in the Message Authentication and Message Integrity -- Application Analysis of Smart Sensor Node Based on Data Mining Association Technology -- Study on High Specification PAC Motion Controller System -- Study on GPRS Mobile Terminal System for Rural Informatization -- Mechanics Analysis and Optimization of the Reachstacker Spreader. , Experimental Study on Spray Characteristics of Diesel Engines and Analysis of Fuel Dripping Phenomenon -- Visualization of the near Field Microscopic Spray Structure in Diesel Engine -- Multi-Stage Ejector Design and Numerical Simulation for Marine Gas Turbine -- Application of Object Oriented Computer Automatic Classification in Land Use -- Preference Selection Index Method for Machine Selection in a Flexible Manufacturing Cell -- An Automatic Modeling Method for Intersected Cross-Sections -- Segmentation and Localization of Microscopic Cell Image -- Analysis of the Antiplane Problem of Functionally Graded Coating with Generally Oriented Crack -- Chapter 4: Communication, Networks, Applied Information Technologies, Algorithms and Data Processing -- Design of Low Noise L-Band Frequency Source -- Design of the Weighted Series Feeding Microstrip Antenna Array -- Network Security Separated Card Based on Physical Isolation Technology Optimization -- Online Homework Correcting Integrate System Based on ASP.NET -- Wireless Sensor Network Link Selection Algorithm with Bayesian Technique -- Predictive Runtime Verification of Java Programs -- The Design and Application of Wireless Network Based on Digital Campus -- An Acquisition and Display Method for Multi-View 3D Models -- Development and Application of Information Technology in University Basketball Network Courses -- A Novel Information Fusion Method Based on Preference Selection Index -- A Mixed Method of Storing OWL Objects in Relational Database -- The Application Research of Information Theory in Education -- Research on the Application of Learning Analytics on Information Teaching Platform of Secondary Vocational School in Big Data Era -- Applied-Information Technology Based on Data Analysis in Teaching Reform -- The Image Compression Technology Based on Wavelet Transform. , Research on the Virtualization Construction of University Data Center Server Based on VMware vSphere -- Information System Construction in Higher Vocational Education -- Network Technology Based Intercollegiate Cooperation for Effective Learning -- Applied Technology for Evaluation Index Modeling on Sports-Related Museum -- Design and Development of Intelligent Logistics System Based on Data Mining and Association Rules Technology -- A Novel Method Combining Grey Target Decision Model with Close Value for Material Selection Problem -- A Graph-Based Image Segmentation Algorithm -- An Adaptive Image Segmentation Algorithm Based on AP Clustering -- An Effective Approach to Migrate Application to Secure Cloud -- The Realization of New Computing Model and System Research Related to Quantum Computer -- Research of an Improved Genetic Algorithm for Job Shop Scheduling -- An Application of Genetic Algorithms on the Synthesis Technique of Musical Instrument Tones -- Using Particle Swarm Optimization Algorithm to Construction Detection and Node Management System in Wireless Sensor Network -- Method of Data Processing Based on LaBVIEW -- Data Processing with Mathematical Modeling for Research-Oriented Learning -- Cloud-Based Next-Generation Data Center Design -- A Computation Methods for Analysis on the Effect of Stock Market and its Application -- Research on Digital Library Based on Cloud Computing -- Keywords Index -- Authors Index.
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  • 3
    Publication Date: 2020-02-12
    Description: Fourier analyses of worldwide temperature proxy data show a multitude of spectral lines, indicating multi-periodic dynamics of the climate system. The proxy data investigated in this study all show an approximately 200 year period, which has been related to the solar De Vries/Suess cycle. This cycle is consistent with temperature measurements from about 1750 to present, suggesting that the solar De Vries/Suess cycle is of importance for the recent and near future climate variations.
    Description: Fourier Analysen von weltweiten Temperatur-Proxydaten für verschiedene Regionen der Erde weisen eine große Zahl von Spektrallinien auf, die die Dynamik des Klimasystems auf unterschiedlichen Zeitskalen (multiperiodisch) widerspiegeln. Die in dieser Studie untersuchten Proxydaten zeigen durchweg eine Periodizität von ungefähr 200 Jahren, wie sie mit dem solaren De Vries/Suess-Zyklus in Verbindung gebracht werden kann. Diese Periodizität lässt sich auch in instrumentellen Temperaturmessungen ab etwa 1750 bis heute erkennen, was einen Einfluss des De Vries/ Suess-Zyklus’ auf die vergangene und zukünftige Temperaturentwicklung wahrscheinlich macht.
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
    Format: application/pdf
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  • 4
    Publication Date: 2021-11-03
    Description: Providing accurate measurement of the magnetic field intensity and its vector components is one of the primary objectives of the China Seismo‐Electromagnetic Satellite (CSES). The high precision magnetometer (HPM) payload assembled on CSES is designed to achieve this goal. In this study, the data format, naming convention, and content of the CSES HPM Level 2 scientific data products are introduced, as a reference for users who are interested in this data set. In particular, flags for potential magnetic field disturbances from the platform and payloads are discussed. Possible scientific applications are also outlined. A preliminary validation of the data is conducted through comparison with magnetic data from the ESA’s Swarm constellation, and the result demonstrates that the HPM data of CSES are of good quality. Taking the intense geomagnetic storm that occurred on August 25–26, 2018 as an example, the magnetic field variations and the expansion of the field‐aligned currents (FACs) during this storm are discussed. We finally show that the CSES HPM data can be used to derive a satellite‐derived index equivalent to the Dst index, which agrees well to the index during this event. Our analysis thus suggests a high scientific potential of the HPM data.
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 5
    Publication Date: 2022-07-07
    Description: Located in the middle of Shanxi Province, northern China, Taiyuan basin is a dry and water-short region. This region is reaching alarming levels of aquifer depletion due to decades of groundwater overexploitation, which has caused severe land subsidence in the basin. The Wanjiazhai Water Diversion Project (WWDP) was designed to ease water scarcity by transporting water from the Yellow River to the Taiyuan basin through 452.4 km-long canals. By the end of 2018, the WWDP had supplied 2.87 billion m3 of water to Shanxi Province, which replenish the basin’s surface water body as well as the underground aquifer. The groundwater levels have continued to rise since 2003, with rising levels of more than 70 meters by 2018 in comparison with its low stand in 2000. In this study, we use 2007-2010 ENVISAT, ALOS-1 data, and 2017-2020 Sentinel-1 data to study the response of the basin’s aquifer to the groundwater rebound against the background of the water transfer project. We addressed the issue of tropospheric delay and its impact on the seasonal deformation by combing GACOS (Generic Atmospheric Correction Online Service) and a common-point stacking method. The accuracy improvement of deformation by this correction method was validated with measurements from seven continuous GPS stations in the basin. Groundwater rebound triggers ground uplift, which was identified in five areas by InSAR with a rate up to 25 mm/yr. The uplifting displacement time series are well correlated with groundwater level recovery. The land subsidence in the south of the basin continues but the rates decreased significantly in 2017-2020 detected from Sentinel-1 as compared to that in period 2007-2010 from ENVISAT and ALOS-1. All these uplifting signals and the decreasing rates of land subsidence found in Taiyuan city provide the indication that water management practices are successful in mitigating further subsidence. We found a significant seasonal displacement concentrated within the central region of the basin corresponding to the main irrigated areas in the Taiyuan basin. The maximum peak-to-peak amplitude is 43 mm observed from ENVISAT and decreases to 20 mm observed from Sentinel-1. The seasonal amplitudes change rapidly across faults, indicating that the fault is an effective barrier to across-fault fluid flow. To further quantify the causal relationships between water level and ground displacement, groundwater levels and ground displacement at three wells located near the area affected by significant seasonal land subsidence are analyzed by Cross Wavelet Transform (XWT) method. We found the time lags of about one month between land subsidence and the forcing groundwater level declines. Such a cross wavelet analysis with high spatial-temporal resolution therefore enables tracking the health of the aquifer system and highlights the system’s sustainability in aiding water resources allocation against the background of the water diversion project.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 6
    Publication Date: 2022-11-17
    Description: The freshwater scarcity and sustainability of overexploited aquifers have been recognized as a big threat to global water security for human development. Consequently, much research has focused in the past on negative consequences of groundwater abstraction, but somewhat less has been documented about the impacts of adequate management practices to address water shortages. Here, using an integrated analysis of InSAR displacement data, groundwater, and geophysical modeling we show how combined management provisions and inter-basin water transfer project has affected the aquifer system in Taiyuan basin in North China. Following groundwater recovery, the alleviation of land subsidence was found with rates being reduced by up to ~70% in the period 2017–2020 with respect to the period 2007–2010. The increase in pore pressure caused by rising groundwater in Taiyuan city, north of the basin, turned four subsidence centers with rates exceeding 110 mm/yr in the 1980 to uplift centers with rates up to +25 mm/yr between 2017 and 2020. A simple linear elastic model for homogenous subsurface properties can explain InSAR-measured surface displacements well. In the central basin, we found a significant seasonal displacement with annual amplitude up to 43 mm (negative peak in autumn and positive peak in spring) related to the groundwater recharge and discharge due to agricultural pumping irrigation. Using cross-wavelet method, we showed a relatively short time lags (less than one month) between surface deformation and water level changes in the central basin, indicating the low-permeability clayey units have a limited influence in delaying the compaction of aquifer system. Quantifying the effects of adequate groundwater management measures and large-scale engineering approaches like inter-basin water transfer to recharge pumped aquifers provide insight for local governments and decision-makers to properly evaluate the impacts of their policy in recovering the sustainability and efficiency of aquifers in water-deficient basins.
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 7
    Publication Date: 2022-06-01
    Description: High pressure and high temperature experiments performed with laser-heated diamond anvil cells (LH-DAC) are being extensively used in geosciences to study matter at conditions prevailing in planetary interiors. Due to the size of the apparatus itself, the samples that are produced are extremely small, on the order of few tens of micrometers. There are several ways to analyze the samples and extract physical, chemical or structural information, using either in situ or ex situ methods. In this paper, we compare two nanoprobe techniques, namely nano-XRF and NanoSIMS, that can be used to analyze recovered samples synthetized in a LH-DAC. With these techniques, it is possible to extract the spatial distribution of chemical elements in the samples. We show the results for several standards and discuss the importance of proper calibration for the acquisition of quantifiable results. We used these two nanoprobe techniques to retrieve elemental ratios of dilute species (few tens of ppm) in quenched experimental molten samples relevant for the formation of the iron-rich core of the Earth. We finally discuss the applications of such probes to constrain the partitioning of trace elements between metal and silicate phases, with a focus on moderately siderophile elements, tungsten and molybdenum.
    Language: English
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 8
    Publication Date: 2023-06-05
    Description: The Antarctic polar vortex creates unique chemical and dynamic conditions when the stratospheric air over Antarctica is isolated from the rest of the stratosphere. As a result, stratospheric ozone within the vortex remains largely unchanged for a five-month period from April until late August when the sunrise and extremely cold temperatures create favorable conditions for rapid ozone loss. Such prolong stable conditions within the vortex make it possible to estimate the ozone levels there from sparse wintertime ozone observations at the South Pole. Total ozone measurements by Dobson and Brewer spectrophotometers that use the Moon as the light source, integrated ozonesonde profiles, and MERRA-2 reanalysis data were used to analyse ozone variability and trends over the South Pole. The wintertime ozone values over the South Pole during the last 20 years were 12%–15% below the pre-1980 level, i.e., the decline there was nearly twice larger than that over southern midlatitudes. It is probably the largest long-term ozone decline aside from the springtime Antarctic ozone depletion. While wintertime ozone decline over the pole hardly has any impact on the environment, it can be used as an indicator to diagnose the state of the ozone layer, particularly because it requires data only from one station. Data after 2004 show a small positive trend, although it is not statistically significant. Total ozone variability over the South Pole and observation uncertainties will be also discussed.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 9
    Publication Date: 2023-07-19
    Description: Surface snow samples were collected daily, at several sites representing distinct environments: sea ice, inland close to sea level, and a hilltop ~600 m above sea level (asl), from a Canadian high Arctic location at Eureka, Nunavut (80°N, 86°W) from the end of February to the end of March in 2018 and 2019. Snow samples were under ionic and salinity analysis. The aim of this study is to explore the role of snowpack in polar spring boundary layer chemistry, especially as a direct source of reactive bromine (BrO〈sub〉X〈/sub〉=BrO+Br) and nitrogen (NO〈sub〉X〈/sub〉=NO+NO〈sub〉2〈/sub〉). We find that surface snow bromide at sea level is significantly enriched, indicating a net sink of atmospheric bromine. Both surface snow bromide and nitrate at sea level have an increasing trend over the measurement time period. Using these trends, we derive an integrated net deposition flux of bromide of 1.01×10〈sup〉7〈/sup〉 molecules cm〈sup〉-2〈/sup〉 s〈sup〉-1〈/sup〉 and of nitrate of 2.6×10〈sup〉8〈/sup〉 molecules cm〈sup〉-2〈/sup〉 s〈sup〉-1〈/sup〉. In addition, nitrate and bromide in the morning samples are significantly higher than the afternoon samples, indicating a strong photochemistry effect, however the bromide loss rate is smaller than the nitrate loss rate by more than an order of magnitude. Also, surface snow nitrate and bromide at inland sites are significantly correlated (R=0.48-0.76), with a [NO〈sub〉3〈/sub〉〈sup〉-〈/sup〉]/[Br〈sup〉-〈/sup〉] ratio of 4-7 indicating a possible acceleration effect of reactive bromine in atmospheric NO〈sub〉X〈/sub〉-to-nitrate conversion. This is the first time we see such an effect from snow chemistry data obtained with a sampling frequency as short as one day.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 10
    Publication Date: 2024-01-08
    Description: This dataset contains predictions of Earth orientation parameters (EOP) submitted during the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC). The 2nd EOP PCC has been carried out by Centrum Badań Kosmicznych Polskiej Akademii Nauk CBK PAN in Warsaw in cooperation with the GFZ German Research Centre for Geosciences in Potsdam (Germany) and under the auspices of the International Earth Rotation and Reference Systems Service (IERS) within the IERS Working Group on the 2nd EOP PCC. The purpose of the campaign was to re-assess the current capabilities of EOP forecasting and to find most reliable prediction approaches. The operational part of the campaign lasted between September 1, 2021 and December 28, 2022. Throughout the duration of the 2nd EOP PCC, registered campaign participants submitted forecasts for all EOP parameters, including dX, dY, dPsi, dEps (components of celestial pole offsets), polar motion, differences between universal time and coordinated universal time, and its time-derivative length-of-day change. These submissions were made to the EOP PCC Office every Wednesday before the 20:00 UTC deadline. The predictions were then evaluated once the geodetic final EOP observations from the forecasted period became available. Each participant could register more than one method, and each registered method was assigned an individual ID, which was used, e.g., for file naming. The dataset contains text files with predicted parameters as submitted by campaign participants and MATLAB file which is a database with all correct predictions from each participant loaded into a structure.
    Language: English
    Type: info:eu-repo/semantics/workingPaper
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