1,746,674 research outputs found
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No full textA simulation framework for modelling waterborne spread of pathogens in aquaculture
Technique To Reconstruct Band 6 Reflectance Information Of Aqua Modis
Full text linkRemote sensing data could experience damage due to sensor failure or atmospheric condition. Reconstruction technique to retrieve the missing information had been widely developed in the past few years. This writing aimed to provide a technique to recover reflectance information of Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Band 6. Since Band 6 Aqua MODIS experienced sensor failure, lots of information would be missing. There were three kinds of methods used in repairing such damage. Two of which were categorized as spatial-based methods, i.e. NaN interpolation method and tensor completion method. Whereas, another method was a spectral-based one. NaN was an interpolation method to reconstruct missing value; while tensor completion method utilized low rank approximation, and spectral method used correlation between Band 6 and Band 7 which had near wavelength. Implementation of these methods was resulted in reconstruction of Aqua Modis Band 6 data which was damaged due to detector disfunction on Aqua Satellite. Peak Signal to Noise Ratio (PSNR) value of this method was 41 dB, meaning that reconstruction technique provided positive impacts for data improvement.p. 131-138 : ilus. ; 28 c
Her undersøger DTU Aqua ørredbestande i 2020
No full textI efteråret 2020 foretager DTU Aqua undersøgelser af ørredbestandene i udvalgte vandløbsområder.I efteråret 2020 foretager DTU Aqua undersøgelser af ørredbestandene i udvalgte vandløbsområder
AQUA-USERS: AQUAculture USEr driven operational Remote Sensing information services
No full textNo abstracts are to be cited without prior reference to the author. The FP7 project AQUA-USERS will provide the aquaculture industry with user-relevant and timely information based on the most up-to-date satellite data and innovative optical in-situ measurements. The key purpose is to develop an application that brings together satellite information on water quality and temperature with in-situ observations as well as relevant weather prediction and metocean data. The application and underlying database will be linked to a decision support system that includes a set of (user-determined) management options. Specific focus will be put on the development of indicators based on Earth Observation (EO) data for aquaculture management including indicators for harmful algae bloom (HAB) events. The methods and services developed within AQUA-USERS will be tested by the members of the user board, eight aquaculture companies and organizations, which represent different geographic areas and aquaculture production systems
Her undersøger DTU Aqua ørredbestande i 2021
No full textI efteråret 2021 foretager DTU Aqua undersøgelser af ørredbestandene i syv udvalgte vandløbssystemer i Danmark
Her undersøger DTU Aqua ørredbestande i 2022
No full textI efteråret 2022 undersøger DTU Aqua Ørredbestandene i ni udvalgte områder i Danmark, fordelt på 23 kommuner. Andre fiskearter registreres også
Hjælp DTU Aqua med oplysninger om tun i Danmark
No full textDTU Aqua undersøger den blåfinnede tuns færden i danske farvande og beder folk, som ser tun i havet omkring Danmark, om at hjælpe med oplysninge
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