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1

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Comparison of different ridge formation models of Arctic Sea ice with observations from laser profiling (2006)

Martin, Torge

International Glaciological Society | Cambridge University Press

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Publikationsdatum: 2024-01-07

Beschreibung: Sea ice deforms under convergent and Shear motion, causing rafting and ridging. This results in thicker ice than could be formed by thermodynamic growth only. Three different approaches to Simulating the formation of pressure ridges in a dynamic–thermodynamic continuum model are considered. They are compared with and evaluated by airborne laser profiles of the Sea-ice Surface roughness. The respective characteristic of each of the three ridging Schemes is (1) a prognostic equation for deformation energy from which ridge parameters are derived; (2) a redistribution function, Shifting ice between two categories, level and ridged, combined with a Monte Carlo Simulation for ridge parameters; and (3) prognostic equations for ridge density and height, resulting in the formation of ridged-ice volume. The model results Show that the ridge density is typically related to the State of ice motion, whereas the mean Sail height is related to the parent ice thickness. In general, all of the three models produce realistic distributions of ridges. Finally, the Second ridging Scheme is regarded as the most appropriate for climate modelling, while the third Scheme has advantages in Short-term Sea-ice forecasting.

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2

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What does a 2 degree celsius target mean for greenhouse gas concentrations? A brief analysis based on multi-gas emission pathways and several climate sensitivity uncertainty estimates (2006)

Meinshausen, M. ; Schellnhuber, H.

Cambridge University Press

In: Avoiding dangerous climate change

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Publikationsdatum: 2022-03-21

Materialart: info:eu-repo/semantics/bookPart

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3

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Relationship between increases in global mean temperature and impacts on ecosystems, food production, water and socio-economic systems (2006)

Hare, B. ; Schellnhuber, H.

Cambridge University Press

In: Avoiding dangerous climate change

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Publikationsdatum: 2022-03-21

Materialart: info:eu-repo/semantics/bookPart

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4

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Global climate change: What can we learn from the past? (2006)

Rahmstorf, S.

Cambridge University Press

In: Multilevel governance of global environmental change. Perspectives from science, sociology and the law

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Publikationsdatum: 2022-03-21

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5

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Habitability of super-Earths: Gliese 581c & 581d (2008)

von Bloh, W. ; Bounama, C. ; Cuntz, M. ; [weitere]

Cambridge University Press

In: Proceedings of the International Astronomical Union (2007)

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Publikationsdatum: 2022-03-21

Materialart: info:eu-repo/semantics/conferenceObject

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Assessing key vulnerabilities and the risk from climate change (2007)

Schneider, S. ; Semenov, S. ; Patwardhan, A. ; [weitere]

Cambridge University Press

In: Climate change 2007: impacts, adaptation and vulnerability. Contribution of working group II to the fourth assessment report of the Intergovernmental Panel on Climate Change

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Publikationsdatum: 2022-03-21

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7

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Multi-gas emission pathways for meeting the EU 2 degree celsius climate target (2006)

den Elzen, M. ; Meinshausen, M. ; Schellnhuber, H.

Cambridge University Press

In: Avoiding dangerous climate change

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Publikationsdatum: 2022-03-21

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8

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Detecting change in river flow series (2005)

Kundzewicz, Z. ; Robson, A.

Cambridge University Press

In: Forests, Water and People in the Humid Tropics | International hydrology series

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Publikationsdatum: 2022-03-21

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9

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New data on spawning and bathymetric distribution of the Patagonian squid, Loligo gahi (2008)

Laptikhovsky, Vladimir

Cambridge University Press

In: Marine Biodiversity Records, 1 . Art.-Nr.: e50.

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Publikationsdatum: 2021-09-06

Beschreibung: Recent scientific and commercial deepwater trawls provide evidence that the loliginid squid, Loligo gahi occurs much deeper than previously believed. Three immature and maturing squids were caught in two hauls between 528 and 626 m depth, exceeding the previous maximum recorded depth of 400 m. An L. gahi egg mass was found on the bottom attached to polychaete tube sampled from depths of 68–71 m. It represents a new spawning habitat, because before the species was known to spawn only in inshore kelp forests, well off the bottom, at depths 〈20 m.

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10

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Reproductive biology of the Patagonian bobtail squid, Semirossia patagonica (Sepiolidae: Rossiinae) in the south-west Atlantic (2008)

Önsoy, Bahadir ; Laptikhovsky, Vladimir ; Salman, Alp

Cambridge University Press

In: Journal of the Marine Biological Association of the United Kingdom, 88 (5). pp. 1019-1023.

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Publikationsdatum: 2021-08-30

Beschreibung: A total of 104 Semirossia patagonica were collected all over the Patagonian shelf between the depths of 47 and 295 m. Mature female size varied from 10 to 35 mm ML, mature male size was 16–32 mm. Potential fecundity ranged between 527–766 eggs in pre-spawning females, ripe egg size was 3.4–5.0 mm. The oviduct capacity probably was no more than 30 eggs. The maximum number of spermatophores in males was 229. Males transfer 2–19 spermatophores to females during copulation. The ovulation pattern is asynchronous, individual spawning is continuous. Reproduction occurs all year round. Semirossia patagonica is a south-west Atlantic ecological sibling of north-east Atlantic bobtail squids Sepiola spp. and Sepietta spp.

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