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  • 2020-2023  (9.148)
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  • 1
    Publikationsdatum: 2022-04-08
    Beschreibung: Effective policies to mitigate climate change need to be accompanied by a socially just transition. Based on experiences of past and ongoing transition policies in coal regions in Europe and with indications to the specificity of framework conditions and challenges and to the potential effectiveness and transferability of approaches, this paper presents lessons learnt which can be inspirational for similar transitions in other coal regions and for transitions in other sectors.
    Schlagwort(e): ddc:300
    Repository-Name: Wuppertal Institut für Klima, Umwelt, Energie
    Sprache: Englisch
    Materialart: report , doc-type:report
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2022-04-08
    Beschreibung: Diese Fallstudie untersuchte den durch die geringe Wettbewerbsfähigkeit des Steinkohlebergbaus ausgelösten Strukturwandel im Ruhrgebiet vom Ende der 1950er Jahre bis 2015. Mit Hilfe verschiedener qualitativer und quantitativer Methoden der empirischen Sozial- und Wirtschaftsforschung analysierte sie den Strukturwandelprozess und die in Reaktion auf diesen Prozess umgesetzte Strukturpolitik mit dem Ziel, dieses Wissen für zukünftige Strukturwandelprozesse in anderen (Kohle-)Regionen zur Verfügung zu stellen. Eine Diskursanalyse half zu erkennen, wer warum welche strukturpolitischen Ansätze unterstützte - und gibt damit Hinweise auf die mögliche Relevanz von Erfahrungen für andere Regionen.
    Schlagwort(e): ddc:600
    Repository-Name: Wuppertal Institut für Klima, Umwelt, Energie
    Sprache: Deutsch
    Materialart: report , doc-type:report
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2022-04-08
    Beschreibung: This case study examined the structural change in the Ruhr area caused by the low international competitiveness of German hard coal mining over the period from the late 1950s to 2015. It analysed the structural change process and the structural policies implemented as a reaction to this process with the objective to make this knowledge available for future structural change processes in other (coal) regions by deploying various qualitative and quantitative methods of empirical social and economic research. A discourse analysis helped to recognise who supported which structural policy approaches and why - and thus gives indications of the possible relevance of experiences for other regions.
    Schlagwort(e): ddc:600
    Repository-Name: Wuppertal Institut für Klima, Umwelt, Energie
    Sprache: Englisch
    Materialart: report , doc-type:report
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2022-04-08
    Beschreibung: This case study examined the structural change in Lusatia caused by the system change from a centrally planned economy to a market economy in the period 1990-2015. It analysed the structural change process and the structural policies implemented as a reaction to this process with the objective to make this knowledge available for future structural change processes in other (coal) regions by deploying various qualitative and quantitative methods of empirical social and economic research. A discourse analysis helped to recognise who supported which structural policy approaches and why - and thus gives indications of the possible relevance of experiences for other regions.
    Schlagwort(e): ddc:300
    Repository-Name: Wuppertal Institut für Klima, Umwelt, Energie
    Sprache: Englisch
    Materialart: report , doc-type:report
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Publikationsdatum: 2022-04-08
    Beschreibung: Diese Fallstudie untersuchte den durch den Systemwechsel von der Plan- zur Marktwirtschaft ausgelösten Strukturwandel in der Lausitz im Zeitraum 1990-2015. Mit Hilfe verschiedener qualitativer und quantitativer Methoden der empirischen Sozial- und Wirtschaftsforschung analysierte sie den Strukturwandelprozess und die in Reaktion auf diesen Prozess umgesetzte Strukturpolitik mit dem Ziel, dieses Wissen für zukünftige Strukturwandelprozesse in anderen (Kohle-)Regionen zur Verfügung zu stellen. Eine Diskursanalyse half zu erkennen, wer warum welche strukturpolitischen Ansätze unterstützte - und gibt damit Hinweise auf die mögliche Relevanz von Erfahrungen für andere Regionen.
    Schlagwort(e): ddc:600
    Repository-Name: Wuppertal Institut für Klima, Umwelt, Energie
    Sprache: Deutsch
    Materialart: report , doc-type:report
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    facet.materialart.
    Unbekannt
    IEEE
    In:  EPIC3IEEE Transactions on Geoscience and Remote Sensing, IEEE, (60), pp. 1-16, ISSN: 0196-2892
    Publikationsdatum: 2022-04-08
    Beschreibung: We present new high-resolution snow depth data on Arctic sea ice derived from airborne microwave radar measurements from the IceBird campaigns of the Alfred Wegener Institute (AWI) together with a new retrieval method using signal peakiness based on an intercomparison exercise of colocated data at different altitudes. We aim to demonstrate the capabilities and potential improvements of radar data, which were acquired at a lower altitude (200 ft) and slower speed (110 kn) and had a smaller radar footprint size (2-m diameter) than previous airborne snow radar data. So far, AWI Snow Radar data have been derived using a 2-18-GHz ultrawideband frequency-modulated continuous-wave (FMCW) radar in 2017-2019. Our results show that our method in combination with thorough calibration through coherent noise removal and system response deconvolution significantly improves the quality of the radar-derived snow depth data. The validation against a 2-D grid of in situ snow depth measurements on level landfast first-year ice indicates a mean bias of only 0.86 cm between radar and ground truth. Comparison between the radar-derived snow depth estimates from different altitudes shows good consistency. We conclude that the AWI Snow Radar aboard the IceBird campaigns is able to measure the snow depth on Arctic sea ice accurately at higher spatial resolution than but consistent with the existing airborne snow radar data of NASA Operation IceBridge. Together with the simultaneous measurements of the total ice thickness and surface freeboard, the IceBird campaign data will be able to describe the whole sea-ice column on regional scales.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , isiRev
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Publikationsdatum: 2022-04-08
    Beschreibung: In Europe, turbot aquaculture has a high potential for sustainable production, but the low tolerance to fishmeal replacement in the diet represents a big issue. Therefore, this study investigated the effects of more sustainable feed formulations on growth and feed performance, as well as nutritional status of juvenile turbot in recirculating aquaculture systems. In a 16-week feeding trial with 20 g juvenile turbot, one control diet containing traditional fishmeal, fish oil and soy products and two experimental diets where 20% of the fishmeal was replaced either with processed animal proteins (PAP) or with terrestrial plant proteins (PLANT) were tested. Irrespective of diets, growth performance was similar between groups, whereas the feed performance was significantly reduced in fish of the PAP group compared to the control. Comparing growth, feed utilisation and biochemical parameters, the results indicate that the fish fed on PAP diet had the lowest performance. Fish fed the PLANT diet had similar feed utilisation compared to the control, whereas parameters of the nutritional status, such as condition factor, hepato-somatic index and glycogen content showed reduced levels after 16 weeks. These effects in biochemical parameters are within the physiological range and therefore not the cause of negative performance. Since growth was unaffected, the lower feed performance of fish that were fed the PAP formulation might be balanced by the cost efficient formulation in comparison to the commercial and the PLANT formulations. Present study highlights the suitability of alternative food formulation for farmed fish.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , isiRev , info:eu-repo/semantics/article
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Publikationsdatum: 2022-04-08
    Beschreibung: Les algues comportent des substances naturelles très prometteuses, exploitables pour la nutrition humaine, l’industrie pharmaceutique et agroalimentaire. L’Algérie possède près de 1600 km de côte, renfermant une diversité algale considérable. Une telle diversité, sousexploitée, constitue un réel potentiel pour la recherche et l’industrie. Dans la présente étude, l’accent sera mis sur la composition chimique en acides gras des algues marines Cystoseira sauvageauana et Laurencia pinnatifida collectées dans la région côtière de Tipasa. Le profil en acides gras des algues a été déterminé après avoir effectué une extraction des lipides suivie d’une estérification des acides gras et caractérisation de ces derniers par chromatographie en phase gazeuse (CPG).Les acides gras identifiés chez les deux espèces étudiées varient du C14 à C20, l'acide palmitique (C16:0) étant le composé majoritaire. En outre, l’acide arachidonique (C20:4) et l’acide eicosapentaénoïque EPA (C20:5) constituent les principaux acides gras polyinsaturés (AGPI).
    Beschreibung: Algae contain very promising natural substances that can be used for human nutrition, the pharmaceutical industry and food processing. Algeria has nearly 1600 km of coastline, containing a considerable algal diversity. Such diversity, which is under-exploited, constitutes a real potential for research and industry. This study will focus on the chemical composition of fatty acids of the marine algae Cystoseira sauvageauana and Laurencia pinnatifida collected in the coastal region of Tipaza. The fatty acid profile of the algae was determined after performing lipid extraction followed by esterification of the fatty acids and characterization of the latter by gas chromatography (GC). The fatty acids identified in the two species studied range from C14 to C20, with palmitic acid (C16:0) being the major compound. In addition, arachidonic acid (C20:4) and eicosapentaenoic acid EPA (C20:5) are the main polyunsaturated fatty acids (PUFA).
    Beschreibung: Published
    Beschreibung: Refereed
    Schlagwort(e): Chemical composition ; Laurencia pinnatifida ; Fatty acids ; Algal diversity ; Food processing ; Acides gras polyinsaturés (AGPI) ; Cystoseira sauvageauan ; Acide arachidonique ; Acide eicosapentaénoïque ; Acide palmitique ; Eicosapentaenoic acid ; Palmitic acid ; Arachidonic acid ; ASFA_2015::P::Polyunsaturated fatty acids ; ASFA_2015::G::Gas chromatography ; ASFA_2015::B::Botanical resources
    Repository-Name: AquaDocs
    Materialart: Journal Contribution
    Format: pp.4-9
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Publikationsdatum: 2022-04-08
    Beschreibung: The paper considers the results of the study of modern terraces on the coast of the Lodeyny Peninsula in the Barents Sea. According to field observations, decoding of space and geodetic maps and volumetric modeling, signs of three terraces have been identified. Two terraces having a rear seam, a cliff, a brow and horizontal platforms have been studied in more detail. The rear seams are located at 7 and 30 m, and the edges at 10 and 40 m above the sea level. The third terrace is confined to the level of 40–60 m, and has not been studied in detail. According to estimates, the first two terraces were formed about 3,300 and 6,000 years ago respectively. The 1st terrace characterizes the period of slow land rise by 10 m, at the speed up to 3 mm/year, which began about 3,300 years ago and continues to the present. It is characterized by a uniform sea retreat of about 15 mm/year. The erosion products of this terrace are common in the lateral zone and represent modern marine sediments, including beaches forming a new terrace. The 2nd terrace characterizes to the dynamics of rapid land rise by 30 m at a speed of about 11 mm/year, which occurred in the period from 6,000 to 3,300 years ago. The erosion products of this terrace are most common on the coast and are found at a distance of 100 m to 2–3 km from the shore. It is assumed that the speed of movement of the coastline during the retreat of the sea was different and reached up to 900 mm/year. According to the authors, preliminary data indicate the instability of the territory and the manifestation of block movements, which may have a negative impact on the development of infrastructure.
    Beschreibung: В статье рассмотрены результаты изучения современных террас на побережье Баренцева моря в районе п-ва Лодейный. По данным натурных наблюдений, дешифрирования космических и геодезических карт и объемного моделирования выявлены признаки трех террас. Более детально изучены две террасы, у которых присутствуют тыловой шов, обрыв, бровка и горизонтальные площадки. Тыловые швы располагаются на отметках 7 и 30 м, а бровки – на отметках 10 и 40 м над уровнем моря. Третья терраса приурочена к уровню 40–60 м, детально не изучена. По расчетным данным первые две террасы образовались около 3 300 и 6 000 лет назад. 1-я терраса характеризует период медленного подъема суши на 10 м со скоростью около 3 мм/год, начавшийся около 3 300 лет назад и продолжающийся по настоящее время. Продукты размыва этой террасы распространены в латеральной зоне и представляют современные морские отложения, в том числе пляжи, формирующие новую террасу. 2-я терраса характеризует динамику быстрого подъема суши на 30 м со скоростью около 11 мм/год, произошедшего в период от 6 000 до 3 300 лет назад. Продукты размыва этой террасы имеют наибольшее распространение на побережье и встречаются на расстоянии от 100 м до 2–3 км от берега. Предполагается, что скорость перемещения береговой линии при отступлении моря была различной и достигала до 900 мм/год. По мнению авторов, предварительные данные свидетельствуют о нестабильности территории и проявлении блоковых подвижек, что может оказать негативное воздействие на развитие инфраструктуры.
    Beschreibung: Published
    Beschreibung: Refereed
    Schlagwort(e): Arctic coast ; Transformation of the shores ; Арктическое побережье ; Tрансформация берегов ; ASFA_2015::T::Terraces ; ASFA_2015::A::Arctic zone ; ASFA_2015::A::Arctic waters ; ASFA_2015::B::Bays ; ASFA_2015::B::Beach cusps ; ASFA_2015::B::Beach features
    Repository-Name: AquaDocs
    Materialart: Journal Contribution
    Format: pp.38-49
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Publikationsdatum: 2022-04-12
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Article , notRev
    Standort Signatur Erwartet Verfügbarkeit
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