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pro vyhledávání: '"Pohjola, V.A."'
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Autor:
Marchenko, S., van Pelt, W.J.J., Claremar, B., Machguth, H., Reijmer, C.H., Pettersson, R., Pohjola, V.A., Sub Dynamics Meteorology, Marine and Atmospheric Research
Publikováno v:
Frontiers in Earth Science, Cryosphere, 5, 1. Frontiers Media
Deep preferential percolation of melt water in snow and firn brings water lower along the vertical profile than a laterally homogeneous wetting front. This widely recognized process is an important source of uncertainty in simulations of subsurface t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::599856cc0e67c9481cfdb7e8b6d27ca4
https://dspace.library.uu.nl/handle/1874/352696
https://dspace.library.uu.nl/handle/1874/352696
Autor:
van Pelt, W.J.J., Oerlemans, J., Reijmer, C.H., Pettersson, R., Pohjola, V.A., Isaksson, E., Divine, D., Marine and Atmospheric Research, Sub Dynamics Meteorology
Publikováno v:
The Cryosphere, Vol 7, Iss 3, Pp 987-1006 (2013)
The Cryosphere, 7, 987. Copernicus Publications
The Cryosphere, 7, 987. Copernicus Publications
We present and evaluate an inverse approach to reconstruct two-dimensional fields of bedrock topography and simultaneously initialize an ice flow model. The inverse method involves an iterative procedure in which an ice dynamical model (PISM) is run
Autor:
Möller, M., Obleitner, F., Reijmer, C.H., Pohjola, V.A., Glowacki, P., Kohler, J., Sub Dynamics Meteorology, Marine and Atmospheric Research
Publikováno v:
Journal of Geophysical Research: Atmospheres, 121(10), 5411. Wiley
Large-scale modeling of glacier mass balance relies often on the output from regional climate models (RCMs). However, the limited accuracy and spatial resolution of RCM output pose limitations on mass balance simulations at subregional or local scale
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::6dbf9292f26d00373b1d205c228f7741
https://dspace.library.uu.nl/handle/1874/341372
https://dspace.library.uu.nl/handle/1874/341372
Glacier surface melt and runoff depend strongly on seasonal and perennial snow (firn) conditions. Not only does the presence of snow and firn directly affect melt rates by reflecting solar radiation, it may also act as a buffer against mass loss by s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______101::17933f357e02161b574a4a64097bafb5
https://dspace.library.uu.nl/handle/1874/345645
https://dspace.library.uu.nl/handle/1874/345645
Autor:
Beaudon, E., Moore, J.C., Martma, T., Pohjola, V.A., van de Wal, R.S.W., Kohler, J., Isaksson, E.
An ice core extracted from Holtedahlfonna ice cap, western Spitsbergen, record spanning the period 1700–2005, was analyzed for major ions. The leading empirical orthogonal function (EOF) component is correlated with an index of summer melt (log([Na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______101::11b39d8edb8fee059b08e74cd9404e46
https://dspace.library.uu.nl/handle/1874/290532
https://dspace.library.uu.nl/handle/1874/290532
Autor:
Moore, J.C., Beaudon, E., Kang, S., Divine, D., Isaksson, E., Pohjola, V.A., van de Wal, R.S.W., Marine and Atmospheric Research, Dep Natuurkunde
Publikováno v:
Journal of Geophysical Research: Atmospheres, 117, D03306/1. Wiley
Ice cores from outside the Greenland and Antarctic ice sheets are difficult to date because of seasonal melting and multiple sources (terrestrial, marine, biogenic and anthropogenic) of sulfates deposited onto the ice. Here we present a method of vol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::a2046c4921c2683cebcccf48332ecc1a
https://dspace.library.uu.nl/handle/1874/242381
https://dspace.library.uu.nl/handle/1874/242381
Autor:
van Pelt, W.J.J., Oerlemans, J., Reijmer, C.H., Pohjola, V.A., Pettersson, R., van Angelen, J.H., Marine and Atmospheric Research, Sub Dynamics Meteorology, Sub Physical Oceanography
Publikováno v:
The Cryosphere, 6, 641. Copernicus Publications
The Cryosphere, Vol 6, Iss 3, Pp 641-659 (2012)
The Cryosphere, Vol 6, Iss 3, Pp 641-659 (2012)
A distributed energy balance model is coupled to a multi-layer snow model in order to study the mass balance evolution and the impact of refreezing on the mass budget of Nordenskiöldbreen, Svalbard. The model is forced with output of a regional clim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f891bf50e2ce33b3accbef25d1dc036
https://dspace.library.uu.nl/handle/1874/257462
https://dspace.library.uu.nl/handle/1874/257462
Autor:
van der Wel, L.G., Streurman, H.J., Isaksson, E., Helsen, M.M., van de Wal, R.S.W., Martma, T., Pohjola, V.A., Moore, J.C., Meijer, H.A.J.
Ice cores from small ice caps provide valuable climatic information, additional to that of Greenland and Antarctica. However, their integrity is usually compromised by summer meltwater percolation. To determine to what extent this can affect such ice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______101::ddcf4cb76f9467d84ca0dba723c7656a
https://dspace.library.uu.nl/handle/1874/231396
https://dspace.library.uu.nl/handle/1874/231396
Autor:
Hermanson, M.H., Isaksson, E., Forsström, S., Teixeira, C., Muir, D.C.G., Pohjola, V.A., van de Wal, R.S.W.
Brominated flame retardants (BFRs) have been found in Arctic wildlife, lake sediment, and air. To identify the atmospheric BFR deposition history on Svalbard, Norway, we analyzed 19 BFRs, including hexabromocyclododecane (HBCD), 1,2-bis(2,4,6-tribrom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______101::52ce6ae4a8f15b40ec7fffb102fb3d11
https://dspace.library.uu.nl/handle/1874/197279
https://dspace.library.uu.nl/handle/1874/197279