Browsing by Subject "sea ice"
Now showing items 1-11 of 11
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Arctic Sea Ice in CMIP6
; Community, SIMIP (Geophysical Research Letters, 2020-05-14)
We examine CMIP6 simulations of Arctic sea‐ice area and volume. We find that CMIP6 models produce a wide spread of mean Arctic sea‐ice area, capturing the observational estimate within the multimodel ensemble spread. The ... -
Biomarker Distributions in (Sub)‐Arctic Surface Sediments and Their Potential for Sea Ice Reconstructions
; ; ; ; ; (Geochemistry, Geophysics, Geosystems, 2020-09-29)
To evaluate the present sea ice changes in a longer‐term perspective, the knowledge of sea ice variability on preindustrial and geological time scales is essential. For the interpretation of proxy reconstructions it is ... -
From Bright Windows to Dark Spots: Snow Cover Controls Melt Pond Optical Properties During Refreezing
; ; ; ; (Geophysical Research Letters, 2021-12-02)
Melt ponds have a strong impact on the Arctic surface energy balance and the ice‐associated ecosystem because they transmit more solar radiation compared to bare ice. In the existing literature, melt ponds are considered ... -
Impact of Sea‐Ice Model Complexity on the Performance of an Unstructured‐Mesh Sea‐Ice/Ocean Model under Different Atmospheric Forcings
; ; ; ; ; (Journal of Advances in Modeling Earth Systems, 2021-04-27)
We have equipped the unstructured‐mesh global sea‐ice and ocean model FESOM2 with a set of physical parameterizations derived from the single‐column sea‐ice model Icepack. The update has substantially broadened the range ... -
Kartographie als Klimaarchiv - Meereis im Norden, vom Eis verschlossene Schiffspassagen und verstoßende Gletscher - alte Karten dokumentieren die »Kleine Eiszeit«
(E&G – Quaternary Science Journal; Vol.55, No. 1)Im 15. Jh. weisen Tabulae modernae und Weltkarten lateinischer Ptolemäus-Ausgaben auf Meereis in Nordeuropa hin. Zu Beginn des 17. Jh. scheitert die Suche nach einer Nordwestpassage nach Asien. Das Mittelalterliche ... -
Modelling and parametrization of the convective flow over leads in sea ice and comparison with airborne observations
; ; Schmitt, Amelie U.; Hartmann, Jörg (Quarterly Journal of the Royal Meteorological Society, 2021-02-07)
A non‐eddy‐resolving microscale model is applied to simulate convection over three different leads (elongated channels in sea ice), which were observed by aircraft over the Arctic Marginal Ice Zone in 2013. The study aims ... -
Sea Ice and Atmospheric Parameter Retrieval From Satellite Microwave Radiometers: Synergy of AMSR2 and SMOS Compared With the CIMR Candidate Mission
; ; ; ; ; ; (Journal of Geophysical Research: Oceans, 2020)
Research on improving the prediction skill of climate models requires refining the quality of observational data used for initializing and tuning the models. This is especially true in the polar regions where uncertainties ... -
Sea Ice Targeted Geoengineering Can Delay Arctic Sea Ice Decline but not Global Warming
; (Earth's Future, 2019)
To counteract global warming, a geoengineering approach that aims at intervening in the Arctic ice-albedo feedback has been proposed. A large number of wind-driven pumps shall spread seawater on the surface in winter to ... -
Seasonal Evolution of Light Transmission Distributions Through Arctic Sea Ice
; ; ; ; (Journal of Geophysical Research: Oceans, 2019)
Light transmission through sea ice is a critical process for energy partitioning at the polar atmosphere-ice-ocean boundary. Transmission of sunlight strongly impacts sea ice melting by absorption, as well as heat deposition, ... -
Sensitivity of Sea Ice Growth to Snow Properties in Opposing Regions of the Weddell Sea in Late Summer
(Geophysical Research Letters, 2022-09-30)
The sensitivity of sea ice to the contrasting seasonal and perennial snow properties in the southeastern and northwestern Weddell Sea is not yet considered in sea ice model and satellite remote sensing applications. However, ... -
The observed recent surface air temperature development across Svalbard and concurring footprints in local sea ice cover
; ; ; ; ; ; (International Journal of Climatology, 2020)
The Svalbard archipelago in the Arctic North Atlantic is experiencing rapid changes in the surface climate and sea ice distribution, with impacts for the coupled climate system and the local society. This study utilizes ...
