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An experimental/numerical study of the catch weight influence on trawl behavior ArchiMer
Priour, Daniel; De La Prada, Amelia.
Measurements at sea during fishing trials on bottom trawl have revealed that the geometry of the trawl is affected by the catch. A series of 37 hauls of around 3 h were carried out during the French EFFICHALUT project. The aim of this project was to carry out improvements on the fishing gear in order to reduce energy consumption. For this project, numerous sensors were used: for bridle tension, door spread, vertical opening, and door attitude. The measurements show quite clearly that the door spread decreases and the bridle tension increases during most of the hauls. The door spread decreased by 1.35 m/h, with a standard deviation of 1.98 m/h while the top bridle tension increased by 47 kg/h, with a standard deviation of 59 kg/h. The mean catch per haul...
Tipo: Text Palavras-chave: Trawl; Data; Modeling; Door spread; Bridle tension; Catch weight.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00239/34990/33525.pdf
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Analysis on the time variation and cycle of observed Argo profile data. OceanDocs
Shengmao, Zhang; Yumei, Wu; Shenglong, Yang.
The remote sensing data which are used by marine fishery forecast only can get the information of ocean surface, while Argo data can provide fishery forecast with temperature and saltinity data of deeper area. To use Argo data in cycle, we need to compute its circle to improve the quality of forecast. In 2001- 2008 , the longer circle was 62.7 days and 117.5 days , and the shorter circle was 4.9 days and 9.8 days, which were obtained by power spectrum estimation. And there was an unobvious circle of 7 days. There existed big changes in observed profile data amount between years and within a year.
Tipo: Journal Contribution Palavras-chave: Floats (buoyancy); Data; Power spectra; Fourier transforms.
Ano: 2012 URL: http://hdl.handle.net/1834/5831
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Availability of data for the Black Sea climate change research IBSS Repository
Vladymyrov, V..
This review presents a brief analysis and sources (including URLs for the Internet sources) of the most interesting and informative Black Sea oceanographic data sets (excluding satellite data) that are now available for the scientific community with the main attention on the long term data sets. The results of the analysis show that a number of the available Black Sea datasets is growing permanently. However, this process is still rather slow and insufficient. One can hope that new international projects that cover the Black Sea region will drastically improve the situation in nearest years. The attempts should be made as well to create the united reliable quality checked data time series especially for biological data for which long time series do not...
Tipo: Proceedings Paper Palavras-chave: Black Sea; Data; Database; Climate change; Internet.
Ano: 2008 URL: http://repository.ibss.org.ua/dspace/handle/99011/697
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Bundled Report OceanDocs
Gelfeld, Robert.
This document provides screen images for the online survey for the Reports of the NODCs, DNAs and Marine Information Center
Tipo: Conference Material Palavras-chave: Data; Management; Management; Data; Http://aims.fao.org/aos/agrovoc/c_16086; Http://aims.fao.org/aos/agrovoc/c_49816.
Ano: 2009 URL: http://hdl.handle.net/1834/2982
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Computer Science technology applied to data collection and data managament OceanDocs
Guzmán, O.; González, M.; Carrasco, J.; Bernal, C.; Vera, C.; Troncoso, M..
IFOP, as non profit marine research institute has the mission to provide to the Under Secretariat of Fisheries in Chile, the technical information and scientific basis for the regulation of Chilean Fisheries. For this purpose it has 150 Scientific Observers distributed throughout the Chilean coast. With the intention to improve the process of data production, a group of scientists has developed a new computer science system for data collection, data management, and automatic publication of fishing and biological indicators in Web Page. The system allow to collect data of: fishing trips; captures and species composition; length distribution and biological variables. For this is being carried out the following process. Collection of data in Pocket PC with...
Tipo: Conference Material Palavras-chave: Data; Data collections; Fishery data; Computer programs; Fishery data; Data; Computer programs; Http://aims.fao.org/aos/agrovoc/c_29788; Http://aims.fao.org/aos/agrovoc/c_49816; Http://aims.fao.org/aos/agrovoc/c_24149.
Ano: 2009 URL: http://hdl.handle.net/1834/3138
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Controversies and consensus on the lionfish invasion in the Western Atlantic Ocean Ecology and Society
This study investigates how the lionfish (Pterois sp.) invasion of the Western Atlantic Ocean has been socially constructed by natural scientists, the media, and stakeholders associated with various marine protected areas in the Caribbean. By examining the use of data and metaphors by these actors, I identify where invasion discourses converge and diverge. Although consensus exists regarding the non-nativeness, introduction vector, and successful establishment of lionfish throughout the region, I also identify uncertainty surrounding lionfish impact and controversies regarding lionfish management and control. The dominant discourse frames lionfish as a threat and control efforts as a war to keep the enemy at bay, and promotes lionfish hunting and...
Tipo: Peer-Reviewed Reports Palavras-chave: Data; Discourse analysis; Invasive lionfish; Marine protected areas; Metaphors.
Ano: 2015
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Data Formats and Data Unification OceanDocs
Mikhailov, N.; Viazilov, E..
Data formatting is an important component of data Management technologies, which provides the structural basis for data sets ‘ creation as well as for software interfaces between data sets and procedures of data processing, analysis, visualization and dissemination. Data formatting is of particular importance for data exchange between subject - oriented technologies, between data centres, between a data centre and users. For a long time the Group of Experts on Technical Aspects of Data Exchange (IODE GETADE) has been responsible for providing the standardization of ocean data exchange. These activities resulted in development of the General Format (GF3) formatting system and, the GF3 subsets for various disciplines (oceanography,...
Tipo: Report Palavras-chave: Oceanographic data; Data; Http://aims.fao.org/aos/agrovoc/c_49816.
Ano: 2000 URL: http://hdl.handle.net/1834/1692
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Data, Information and Knowledge in Agricultural Decision-Making AgEcon
Houskova Berankova, Martina; Houska, Milan.
It is very important to work with data, information and knowledge correctly, when a decision model is used as a support for managerial decision-making. Unfortunately, these terms are understood differently in various branches; particularly, the definitions of knowledge are very different. It causes problems in praxis; it is not clear, in which case data processing, information or knowledge/expert systems are appropriate to use. In this paper we introduce modern approaches to indentifying these terms. The objective of the paper is to identify data, information and knowledge in decision-making process, particularly in multiple-criteria decision-making model, to help users of such models to better understand it. To reach this objective, we need to provide...
Tipo: Journal Article Palavras-chave: Data; Information; Knowledge; Multiple-Criteria Decision-Making Model; Grain Dryers; Research and Development/Tech Change/Emerging Technologies; Research Methods/ Statistical Methods; GA; IN.
Ano: 2011 URL: http://purl.umn.edu/109740
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Earth Science Remote Sensing Data: Contributions to Natural Resources Policymaking AgEcon
MacAuley, Molly K.; Vukovich, Fred M..
This paper traces the evolution of space-derived remote sensing data and data products from their initial dissemination to their impact on public policy related to climate change. We focus on the examples of renewable energy, public health, and ecosystem assessment. Our approach differs from previous studies that have characterized the value of data in terms of the fundamental scientific phenomena they describe. In our research we have sought to identify contributions of space-derived earth science in "making a difference" beyond scientific understanding, thereby providing at least a partial answer to questions about the utility of research posed by Congress, the Office of Management and Budget, managers at the National Aeronautics and Space...
Tipo: Working or Discussion Paper Palavras-chave: Natural resources; Climate change; Space; Data; Resource /Energy Economics and Policy; Q2; O38.
Ano: 2005 URL: http://purl.umn.edu/10446
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Evaluation of the Status of the Namibian Hake Resource (Merluccius spp.) Using Statistical Catch-at-Age Analysis OceanDocs
Kirchner, Carola; Kainge, Paul; Kathena, Johannes.
Namibian hake is the most important fish resource in Namibia. This monograph is a compilation of all the hake data, historic and recent, that has been used to inform stock assessment and management since the late 1970s. It presents the statistical catch-at-age analysis used to evaluate the state of the Namibian hake resource under different assumptions. This analysis treats the two hakes, Merluccius paradoxus and M. capensis, as a single stock. The data and modeling show that the stock has not as yet recovered to its maximum sustainable yield level, despite foreign fishing effort having been removed in 1990. Best estimates suggest the current stock to be roughly 20% of pre-exploitation levels; however this figure is sensitive to model assumptions. Signs...
Tipo: Book Section Palavras-chave: Stock assessment; Gadoid fisheries; Data; Dynamics; Surveys; Commercial species; Total allowable catch; Biomass; Trawls; Otoliths; Fishing mortality; Fisheries management; Reproductive system.
Ano: 2012 URL: http://hdl.handle.net/1834/5166
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Executive Summary Report OceanDocs
IOC.
After an introductory paragraph this document contains all decisions adopted by the Committee on International Oceanographic Data and Information Exchange at its eighteenth session as follows: Section 1: decisions made by the IODE Committee under each agenda items; and Section 2: Four Resolutions and eight Recommendations adopted by the IODE Committee. This Executive Summary is available in English, French, Russian and Spanish. The full summary Report of the session is published in English only. In accordance with IOC Rule of Procedure No.48.3, the report of this major subsidiary body is submitted to the IOC Assembly at its 23rd session in June 2005 for endorsement.
Tipo: Report Palavras-chave: Data Management Strategy; Data; Management; Management; Data; Http://aims.fao.org/aos/agrovoc/c_16086; Http://aims.fao.org/aos/agrovoc/c_49816.
Ano: 2005 URL: http://hdl.handle.net/1834/2835
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Exploring Object-Based CNN Architecture for Land Cover Classification of HighResolution Remote Sensing Data. Repositório Alice
MARTINS, V.; KALEITA, A. L.; GELDER, B. K.; SILVEIRA, H. L. F. da; ABE, C. A..
bitstream/item/210665/1/5198.pdf
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Data; Rising Technologies.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1120180
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First ODINCARSA-II Data Management Training Workshop OceanDocs
The ODINCARSA program has been arranged among the coastal States of South America and the Caribbean area to provide capacity-building workshops and resource materials in the areas of marine data management and marine information management. ODINCARSA is a sub-program of IODE of IOC. The principle focus of the program is to provide sufficient training to mid-level professionals in the participating countries, so that the NODCs and associated marine libraries can be founded and well managed. The NODCs will, in turn, become part of the international network of ocean data facilities, which feed data into the World Data Center system. Through these activities, prospective data managers learn about sources of global and regional data, useful software systems...
Tipo: Report Palavras-chave: Training; Oceanographic data; Management; Training; Management; Data; Http://aims.fao.org/aos/agrovoc/c_7861; Http://aims.fao.org/aos/agrovoc/c_16086; Http://aims.fao.org/aos/agrovoc/c_49816.
Ano: 2005 URL: http://hdl.handle.net/1834/1542
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Guide for establishing a National Oceanographic Data Centre OceanDocs
This guide has been prepared to assist Member States of Intergovernmental Oceanographic Commission (IOC) in establishing and operating a national oceanographic data centre (NODC). Since the early 1960s, approximately 55 Member States of IOC have established oceanographic data centres or designated a national agency as responsible for international oceanographic data and information exchange. These data centres and designated national agencies (DNAs) support both national and international clients with oceanographic data and information services.
Tipo: Book Palavras-chave: Oceanography; Data collections; Data; Data processing; Oceanographic data; Data; Data processing; Http://aims.fao.org/aos/agrovoc/c_49816; Http://aims.fao.org/aos/agrovoc/c_10289.
Ano: 1997 URL: http://hdl.handle.net/1834/2793
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Integracao de dados experimentais de locais e/ou anos especificos. Repositório Alice
REDDY, S. J..
bitstream/item/192459/1/ID-16918-I-reuniao-sobre-culturas-consorciadas-no-nordeste-p.241-242.pdf
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Coleta; Data; Collect; Clima; Dado; Climate.
Ano: 1984 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/132999
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IOC Regional Workshop for Member States of the Caribbean and South America - GODAR-V (Global Oceanographic Data Archeology and Rescue Project), Cartagena de Indias, Colombia 8-l 1 October 1996. OceanDocs
The GODAR Workshop for IOC Member States of the Caribbean and South America held at Cartagena, Colombia was the fifth in the series after 4 held at: Obninsk Russian Federation (17-20 May 1993) for Member States of Central and Eastern Europe; Tianjin, China (8-l 1 March 1994) for Member States of WESTPAC; Dona Paula, Goa, India (6-9 December 1994) for Member States of the Indian Ocean and Malta (25-28 April 1995) for Member States of the Mediterranean Sea. The purpose of the current Workshop was to identify relevant data in the region and to consider the steps necessary to make this data available to the wide international marine science community thus adding to the global oceanographic data archive. These archives are valuable for different fields of...
Tipo: Report Palavras-chave: Data.
Ano: 1997 URL: http://hdl.handle.net/1834/5628
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IOC Strategic plan for oceanographic data and information management (2008-2011) OceanDocs
Tipo: Book Palavras-chave: Oceanography; Data; Data processing; Data acquisition; Data collections; Information centres; Information handling; Information retrieval; Information systems; Information systems; Data; Data processing; Data acquisition; Information retrieval; Http://aims.fao.org/aos/agrovoc/c_11769; Http://aims.fao.org/aos/agrovoc/c_49816; Http://aims.fao.org/aos/agrovoc/c_10289; Http://aims.fao.org/aos/agrovoc/c_37344; Http://aims.fao.org/aos/agrovoc/c_3863.
Ano: 2007 URL: http://hdl.handle.net/1834/2814
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IODE Group of Experts on Technical Aspects of Data Exchange OceanDocs
During the 8th session of the IODE Group of Experts on Technical Aspects of Data Exchange reviewed the achievements made during the previous inter-sessional period. The Group also adopted a comprehensive workplan and medium-term objectives for GETADE that include: (i) develop End-To-End Data Management framework strategy and appropriate projects, products and services, based on user requirements; (ii) develop IODE Global metadata management system; (iii) develop marine XML as a mechanism to facilitate format and platform independent information, metadata and data exchange; (iv) develop the IODE Resource Kit as a marine data and information management reference tool for scientists and data/information managers; (v) organize integrated national and regional...
Tipo: Conference Material Palavras-chave: Marine Data Exchange; Data; Data acquisition; Data collections; Data storage; Data reports; Data; Data acquisition; Data storage; Http://aims.fao.org/aos/agrovoc/c_49816; Http://aims.fao.org/aos/agrovoc/c_37344; Http://aims.fao.org/aos/agrovoc/c_37221.
Ano: 2000 URL: http://hdl.handle.net/1834/2807
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IODE National report on Oceanographic Data management and Exchange for Belgium (Flanders) OceanDocs
IOC.
Supported by IOC/IODE
Tipo: Conference Material Palavras-chave: Oceanodromous migrations; Management; Data; Management; Data; Http://aims.fao.org/aos/agrovoc/c_16086; Http://aims.fao.org/aos/agrovoc/c_49816.
Ano: 2005 URL: http://hdl.handle.net/1834/2658
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JCOMM Data Management Strategy OceanDocs
Keeley, Robert.
Supported by IOC/IODE
Tipo: Conference Material Palavras-chave: Data; Management; Management; Data; Http://aims.fao.org/aos/agrovoc/c_16086; Http://aims.fao.org/aos/agrovoc/c_49816.
Ano: 2007 URL: http://hdl.handle.net/1834/2867
Registros recuperados: 49
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