Climate services for marine applications in Europe

Weisse, Ralf; Bisling, Peter; Gaslikova, Lidia; Geyer, Beate; Groll, Nikolaus; Hortamani, Mahboubeh; Matthias, Volker; Maneke, Moritz; Meinke, Insa; Meyer, Elke Mi; Schwichtenberg, Fabian; Stempinski, Florian; Wiese, Frauke; Wöckner-Kluwe, Katja

doi:10.1186/s40322-015-0029-0

Cited by 39 publications

(28 citation statements)

References 27 publications

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“…3(a)). Further assessment of the quality of coastDat wind data can be found in Weisse et al (2015) who compared near-surface marine wind speed as well as wave storm surge heights from models driven by coastDat winds with observations. In summary we conclude that compared with observations our hindcast appears to be able to reasonably represent both, the distributions Fig.…”

Section: Evaluation Of Cosmo-clm Hindcast Wind Speed Datamentioning

confidence: 99%

Climatology of North Sea wind energy derived from a model hindcast for 1958–2012

Geyer

Weisse

Bisling

et al. 2015

Journal of Wind Engineering and Industrial Aerodynamics

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a b s t r a c tModel-based wind speed data derived from the coastDat2 data set for the North Sea were used to assess wind power potential considering both spatial and temporal variability. The atmospheric part of coastDat2 was simulated with the regional climate model COSMO-CLM 4.8. The quality of the used wind speed data is analysed by comparison with buoy and QuikSCAT data. To determine where an offshore power plant can be cost-effectively developed, the distribution of the possible production dependencies on the offshore distance is one of the more important factors. A synthetic power function was used to convert the model-derived wind speeds at a height of 100 m to wind power. The data were analyzed for the period of 1958-2012, and the results obtained for the decadal and spatial variability were mapped. The site related summaries are discussed.The inter-annual to decadal variability can reach up to 5% from the multi-decadal mean and therefore plays an important role in wind energy; wind power estimates based on short observational time series, particularly from the late 1990s, may exhibit high biases. The up-scaling from wind speeds at a height of 10 m using conventional power laws may result in similar biases. On inter-annual to decadal time scales, synergies are not expected from the different arrays in the North Sea, i.e., a decrease in the power output of an array may not be balanced by another.

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Section: Evaluation Of Cosmo-clm Hindcast Wind Speed Datamentioning

confidence: 99%

Climatology of North Sea wind energy derived from a model hindcast for 1958–2012

Geyer

Weisse

Bisling

et al. 2015

Journal of Wind Engineering and Industrial Aerodynamics

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“…peer-reviewed publications and their citation do not exist for knowledge transfer activities (e.g. von Storch et al, 2011;Weisse et al, 2015). In addition, external factors, like…”

Section: Introductionmentioning

confidence: 99%

On the comparability of knowledge transfer activities – a case study at the German Baltic Sea Coast focusing regional climate services

Meinke

2017

Adv. Sci. Res.

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Abstract. In this article the comparability of knowledge transfer activities is discussed by accounting for external impacts. It is shown that factors which are neither part of the knowledge transfer activity nor part of the participating institution may have significant impact on the potential usefulness of knowledge transfer activities.Differences in the potential usefulness are leading to different initial conditions of the knowledge transfer activities. This needs to be taken into account when comparing different knowledge transfer activities, e.g., in program evaluations. This study is focusing on regional climate services at the German Baltic Sea coast. It is based on two surveys and experiences with two identical web tools applied on two regions with different spatial coverage.The results show that comparability among science based knowledge transfer activities is strongly limited through several external impacts. The potential usefulness and thus the initial condition of a particular knowledge transfer activity strongly depends on (1) the perceived priority of the focused topic, (2) the used information channels, (3) the conformity between the research agenda of service providing institutions and information demands in the public, as well as (4) on the spatial coverage of a service.It is suggested to account for the described external impacts for evaluations of knowledge transfer activities. The results show that the comparability of knowledge transfer activities is limited and challenge the adequacy of quantitative measures in this context. Moreover, as shown in this case study, in particular regional climate services should be individually evaluated on a long term perspective, by potential user groups and/or by its real users. It is further suggested that evaluation criteria should be co-developed with these stakeholder groups.

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“…Although chemical dispersion needs a certain level of wave energy for mixing, the application of dispersants is unnecessary and ineffective if the wave energy is high enough for sufficient natural dispersion. The ocean wave information was taken from hindcast simulations (Groll and Weisse 2016) for the North Sea within the framework of coastDat (Weisse et al 2015). The underlying model was version 4.5.4 of the third-generation spectral wave model WAM (WAMDI-Group 1988).…”

Section: Methodsmentioning

confidence: 99%

Effects of chemical dispersants on oil spill drift paths in the German Bight—probabilistic assessment based on numerical ensemble simulations

et al. 2016

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Oil dispersed in the water column remains sheltered from wind forcing, so that an altered drift path is a key consequence of using chemical dispersants. In this study, ensemble simulations were conducted based on 7 years of simulated atmospheric and marine conditions, evaluating 2,190 hypothetical spills from each of 636 cells of a regular grid covering the inner German Bight (SE North Sea). Each simulation compares two idealized setups assuming either undispersed or fully dispersed oil. Differences are summarized in a spatial map of probabilities that chemical dispersant applications would help prevent oil pollution from entering intertidal coastal areas of the Wadden Sea. High probabilities of success overlap strongly with coastal regions between 10 m and 20 m water depth, where the use of chemical dispersants for oil spill response is a particularly contentious topic. The present study prepares the ground for a more detailed net environmental benefit analysis (NEBA) accounting also for toxic effects.

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Climate services for marine applications in Europe

Cited by 39 publications

References 27 publications

Climatology of North Sea wind energy derived from a model hindcast for 1958–2012

Climatology of North Sea wind energy derived from a model hindcast for 1958–2012

On the comparability of knowledge transfer activities – a case study at the German Baltic Sea Coast focusing regional climate services

Effects of chemical dispersants on oil spill drift paths in the German Bight—probabilistic assessment based on numerical ensemble simulations

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