436 research outputs found

    On the use of intermediate infrared and microwave infrared in weather satellites

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    Intermediate, and microwave infrared measurements by weather satellite

    On the uses of intermediate infrared and microwave infrared in meteorological satellites Semiannual report

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    Intermediate infrared and microwave infrared applications in meteorological satellite

    On the uses of intermediate infrared and microwave infrared in meteorological satellites Third semiannual report

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    Analysis of Nimbus satellite high resolution infrared radiation grid point data, surface emissivity in intermediate region, and meteorological modeling for microwave stud

    On the use of intermediate infrared and microwave infrared in weather satellites First annual report

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    Microwave infrared sensors in meteorological satellite payloads to obtain additional weather informatio

    Seaweeds of the Greek coasts. II. Ulvophyceae

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    An updated checklist of the green seaweeds (Ulvophyceae) of the Greek coasts is provided, based on both literature records and new collections. The total number of species and infraspecific taxa currently accepted is 95. The occurrence of each taxon in the North Aegean, South Aegean and Ionian Seas is given. In addition, 12 taxa pending confirmation of their presence, 9 excludenda and 14 inquirenda are briefly discussed

    Seaweeds of the Greek coasts. I. Phaeophyceae

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    An updated checklist of the brown seaweeds (Phaeophyceae) of Greece is provided, based on both literature records and new collections. The total number of species and infraspecific taxa currently accepted is 107. The occurrence of each taxon in the North Aegean, South Aegean and Ionian Seas is given. In addition, 17 taxa pending confirmation of their presence, 11 excludenda and 8 inquirenda are briefly discussed

    Updated records and range expansion of alien marine macrophytes in Greece (2009)

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    In the present study the list of alien marine macrophytes already recorded on Greek coasts has been revised in the light of recent studies and new observations. In comparison  to 2008, the total number consists of 32 taxa, and the classification as established, casual and debatable species has been modified, with a total of 14, 5 and 13 species respectively. An interesting increase in established species from 9 taxa in 2008 to 14 taxa in 2009 is noted. With 23 taxa listed, Rhodobionta is the best represented group, followed by Chlorobionta (4 taxa) and Chromobionta (4 taxa), while seagrasses (Streptobionta) are represented by only one species. Several new records, one new entry and two putative additions are considered here, while two other taxa previously assumed introduced are excluded from the list of aliens

    Information-centric networking for machine-to-machine data delivery: A case study in smart grid applications

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    Largely motivated by the proliferation of content-centric applications in the Internet, information-centric networking has attracted the attention of the research community. By tailoring network operations around named information objects instead of end hosts, ICN yields a series of desirable features such as the spatiotemporal decoupling of communicating entities and the support of in-network caching. In this article, we advocate the introduction of such ICN features in a new, rapidly transforming communication domain: the smart grid. With the rapid introduction of multiple new actors, such as distributed (renewable) energy resources and electric vehicles, smart grids present a new networking landscape where a diverse set of multi-party machine-to-machine applications are required to enhance the observability of the power grid, often in real time and on top of a diverse set of communication infrastructures. Presenting a generic architectural framework, we show how ICN can address the emerging smart grid communication challenges. Based on real power grid topologies from a power distribution network in the Netherlands, we further employ simulations to both demonstrate the feasibility of an ICN solution for the support of real-time smart grid applications and further quantify the performance benefits brought by ICN against the current host-centric paradigm. Specifically, we show how ICN can support real-time state estimation in the medium voltage power grid, where high volumes of synchrophasor measurement data from distributed vantage points must be delivered within a very stringent end-to-end delay constraint, while swiftly overcoming potential power grid component failures. © 1986-2012 IEEE
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