Search Results - "Pohjola, Veijo"

Accelerating future mass loss of Svalbard glaciers from a multi-model ensemble by van Pelt, Ward J. J., Schuler, Thomas V., Pohjola, Veijo A., Pettersson, Rickard

“…Projected climate warming and wettening will have a major impact on the state of glaciers and seasonal snow in High Arctic regions. Following up on a…”
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Improving the snowpack monitoring in the mountainous areas of Sweden from space: a machine learning approach by Zhang, Jie, Pohjola, Veijo A, Pettersson, Rickard, Norell, Björn, Marchand, Wolf-Dietrich, Clemenzi, Ilaria, Gustafsson, David

“…Abstract Under a warming climate, an improved understanding of the water stored in snowpacks is becoming increasingly important for hydropower planning, flood…”
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Impact of snow distribution modelling for runoff predictions by Clemenzi, Ilaria, Gustafsson, David, Marchand, Wolf-Dietrich, Norell, Björn, Zhang, Jie, Pettersson, Rickard, Allan Pohjola, Veijo

“…Abstract Snow in the mountains is essential for the water cycle in cold regions. The complexity of the snow processes in such an environment makes it…”
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A Compilation of Snow Cover Datasets for Svalbard: A Multi-Sensor, Multi-Model Study by Vickers, Hannah, Malnes, Eirik, van Pelt, Ward J. J., Pohjola, Veijo A., Killie, Mari Anne, Saloranta, Tuomo, Karlsen, Stein Rune

“…Reliable and accurate mapping of snow cover are essential in applications such as water resource management, hazard forecasting, calibration and validation of…”
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A long-term dataset of climatic mass balance, snow conditions, and runoff in Svalbard (1957–2018) by van Pelt, Ward, Pohjola, Veijo, Pettersson, Rickard, Marchenko, Sergey, Kohler, Jack, Luks, Bartlomiej, Hagen, Jon Ove, Schuler, Thomas V, Dunse, Thorben, Noël, Brice, Reijmer, Carleen

“…The climate in Svalbard is undergoing amplified change compared to the global mean. This has major implications for runoff from glaciers and seasonal snow on…”
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Water content of firn at Lomonosovfonna, Svalbard, derived from subsurface temperature measurements by Marchenko, Sergey A., van Pelt, Ward J. J., Pettersson, Rickard, Pohjola, Veijo A., Reijmer, Carleen H.

“…The potential of capillary forces to retain water in pores is an important property of snow and firn at glaciers. Meltwater suspended in pores does not…”
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Adjustment of regional climate model output for modeling the climatic mass balance of all glaciers on Svalbard by Möller, Marco, Obleitner, Friedrich, Reijmer, Carleen H., Pohjola, Veijo A., Głowacki, Piotr, Kohler, Jack

“…Large‐scale modeling of glacier mass balance relies often on the output from regional climate models (RCMs). However, the limited accuracy and spatial…”
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The Changing Impact of Snow Conditions and Refreezing on the Mass Balance of an Idealized Svalbard Glacier by van Pelt, Ward J. J., Pohjola, Veijo A., Reijmer, Carleen H.

“…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…”
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Dynamic Response of a High Arctic Glacier to Melt and Runoff Variations by Pelt, Ward J. J., Pohjola, Veijo A., Pettersson, Rickard, Ehwald, Lena E., Reijmer, Carleen H., Boot, Wim, Jakobs, Constantijn L.

“…The dynamic response of High Arctic glaciers to increased runoff in a warming climate remains poorly understood. We analyze a 10‐year record of continuous…”
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Complementary Approaches Towards a Universal Model of Glacier Surges by Terleth, Yoram, Van Pelt, Ward J. J., Pohjola, Veijo A., Pettersson, Rickard

“…Although many convincing, diverse, and sometimes competing models of glacier surging have been proposed, the observed behavior of surging glaciers does not fit…”
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Multi-Decadal Changes in Snow Characteristics in Sub-Arctic Sweden by Johansson, Cecilia, Pohjola, Veijo A, Jonasson, Christer, Callaghan, Terry V

“…A unique long term, 49-year record (divided into three time periods 1961–1976, 1977–1992, and 1993–2009) of snow profile stratigraphy from the Swedish sub…”
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Status of Earth Observation and Remote Sensing Applications in Svalbard by Jawak, Shridhar D., Pohjola, Veijo, Kääb, Andreas, Andersen, Bo N., Błaszczyk, Małgorzata, Salzano, Roberto, Luks, Bartłomiej, Enomoto, Hiroyuki, Høgda, Kjell Arild, Moholdt, Geir, Dinessen, Frode, Fjæraa, Ann Mari

“…Remarkable developments in the fields of earth observation (EO) satellites and remote sensing (RS) technology over the past four decades have substantially…”
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Deposition History of Brominated Flame Retardant Compounds in an Ice Core from Holtedahlfonna, Svalbard, Norway by Hermanson, Mark H., Isaksson, Elisabeth, Forsström, Sanja, Teixeira, Camilla, Muir, Derek C. G., Pohjola, Veijo A., van de Wal, Roderik S. V.

“…Brominated flame retardants (BFRs) have been found in Arctic wildlife, lake sediment, and air. To identify the atmospheric BFR deposition history on Svalbard,…”
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A plot-scale study of firn stratigraphy at Lomonosovfonna, Svalbard, using ice cores, borehole video and GPR surveys in 2012–14 by MARCHENKO, SERGEY, POHJOLA, VEIJO A., PETTERSSON, RICKARD, VAN PELT, WARD J. J., VEGA, CARMEN P., MACHGUTH, HORST, BØGGILD, CARL E., ISAKSSON, ELISABETH

“…Spatial heterogeneity of snow and firn properties on glaciers introduces uncertainty in interpretation of point and profile observations and complicates…”
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Climatic mass balance of the ice cap Vestfonna, Svalbard: A spatially distributed assessment using ERA-Interim and MODIS data by Möller, Marco, Finkelnburg, Roman, Braun, Matthias, Hock, Regine, Jonsell, Ulf, Pohjola, Veijo A., Scherer, Dieter, Schneider, Christoph

“…The ice cap Vestfonna in the northern Svalbard archipelago is one of the largest ice bodies of the European Arctic (∼2400 km2), but little is known about its…”
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Thermal conductivity of firn at Lomonosovfonna, Svalbard, derived from subsurface temperature measurements by Marchenko, Sergey, Cheng, Gong, Lötstedt, Per, Pohjola, Veijo, Pettersson, Rickard, van Pelt, Ward, Reijmer, Carleen

“…Accurate description of snow and firn processes is necessary for estimating the fraction of glacier surface melt that contributes to runoff. Most processes in…”
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Remotely Sensed Nightlights to Map Societal Exposure to Hydrometeorological Hazards by Gomez, Agnes Jane Soto, Di Baldassarre, Giuliano, Rodhe, Allan, Pohjola, Veijo A

“…This study used remotely sensed maps of nightlights to investigate the etiology of increasing disaster losses from hydrometeorological hazards in a data-scarce…”
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Thousand years of winter surface air temperature variations in Svalbard and northern Norway reconstructed from ice-core data by Divine, Dmitry, Isaksson, Elisabeth, Martma, Tonu, Meijer, Harro A.J., Moore, John, Pohjola, Veijo, van de Wal, Roderik S. W., Godtliebsen, Fred

“…Two isotopic ice core records from western Svalbard are calibrated to reconstruct more than 1000 years of past winter surface air temperature variations in…”
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Reconciling Svalbard Glacier Mass Balance by Schuler, Thomas V., Kohler, Jack, Elagina, Nelly, Hagen, Jon Ove M., Hodson, Andrew J., Jania, Jacek A., Kääb, Andreas M., Luks, Bartłomiej, Małecki, Jakub, Moholdt, Geir, Pohjola, Veijo A., Sobota, Ireneusz, Van Pelt, Ward J. J.

“…Since the first estimates of Svalbard-wide glacier mass balance were made in the early 2000s, there has been great progress in remote sensing and modeling of…”
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Parameterizing Deep Water Percolation Improves Subsurface Temperature Simulations by a Multilayer Firn Model by Marchenko, Sergey, van Pelt, Ward J. J., Claremar, Björn, Pohjola, Veijo, Pettersson, Rickard, Machguth, Horst, Reijmer, Carleen

“…Deep preferential percolation of melt water in snow and firn brings water lower along the vertical profile than a laterally homogeneous wetting front. This…”
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